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Channel

سیگنال | کریپتو | تریدر

@Shervin_Trading

Not marked by Telegram, checked 19 August 2026

On this record: Topic · Observations · Growth · Engagement · What this channel posts · View velocity · Reactions · Stars · Posts · Posts edited after publishing · Citations · Handles named that no longer answer · Cite this entry

2,012,556subscribers

-21,031 since we began measuring on 6 August 2026

Risers and fallers across the register · movement among the largest entries.

Register entry

Telegram ID-1001103517515
TypeChannel
Username@Shervin_Trading
Description⚡️ شروین ریاحی | کریپتو، تحلیل، فرصت 🎯 مسیر موفقیت از اینجا می‌گذره 📊 فقط سیگنال نیست، استراتژیه ❣️قشنگی کار اینکه همگی باهام موفق بشیم نه تکی ✨ ترید پز نیست سبک زندگیمونه ارتباط با من : @ShervinRiyahi
Created8 April 2017 — measured — dated from the channel’s first post
First recorded6 August 2026
Last confirmed live25 October 2026
Measurements held50
Confirmed unchanged1 time, most recently 25 October 2026
On Telegramt.me/Shervin_Trading

Topic

Crypto & trading — a classification, not a measurement. An on-box language model (Qwen3.6-35B-A3B-UD-Q6_K_XL, prompt version 1) read this channel’s own recent posts on 8 August 2026 and assigned it the closest of 31 fixed categories, at 98% confidence. This is a model’s judgement about what the channel is likely to be about, not a fact this register measured the way a subscriber count or a view count is measured — it can be revised on a later pass, and it carries no weight anywhere else on this page. How this classification works, and why it has no browse page of its own yet.

Observations

These are measurements, not verdicts. Each one below states something we counted, alongside the evidence it was counted from, so you can check it rather than take it. None of them is graded: every observation this register holds is recorded at severity 0, because the precision of the detectors behind them has not been measured yet, and a rating we cannot support is worse than none. Read each as a fact about the data, not as a judgement about the channel. How we measure.

Views and reactions moved apart

On 32 of the 246 posts we watched over 30 days, the view counter climbed while the reaction counter stayed where it was — by more than this channel’s own reactions-per-view rate can account for. That rate, measured on this entry, is 0.0156 reactions per view.

Each interval, as we read it — views and reactions before and after
PostOverViewsReactionsExpected
/1143230 Sept 2026, 09:43 UTC5 days7,000 → 8,080at least +1,070164 → 164at most +1+16.6
/114601 Oct 2026, 08:40 UTC4.7 hours4,140 → 4,870at least +72080 → 81at most +2+11.2
/114651 Oct 2026, 09:17 UTC11 hours4,220 → 4,920at least +69065 → 65at most +1+10.7
/114992 Oct 2026, 11:29 UTC30 minutes2,480 → 3,170at least +680131 → 131at most +1+10.6
/115012 Oct 2026, 12:13 UTC9.7 hours4,850 → 5,700at least +84073 → 74at most +2+13.1
/115212 Oct 2026, 17:34 UTC35 minutes2,650 → 3,480at least +82051 → 53at most +3+12.8
/115353 Oct 2026, 10:37 UTC5 days7,580 → 8,750at least +1,16078 → 79at most +2+18.0
/115373 Oct 2026, 11:42 UTC5 days6,750 → 7,970at least +1,21087 → 87at most +1+18.8
/115393 Oct 2026, 12:06 UTC5 days6,320 → 7,550at least +1,22071 → 72at most +2+19.0
/115423 Oct 2026, 13:02 UTC5 days6,020 → 7,100at least +1,07069 → 69at most +1+16.6

Expected is the view gain multiplied by this channel’s own prior reactions-per-view rate over the same post — not a corpus average, so a channel whose audience never reacts is compared only against itself. Every interval is credited in the direction that makes the observation harder to record, never easier: t.me renders views and reactions to three significant figures above ~1,000, so a raw delta can be a rendering step. Every delta below is at least 4 x the coarser reading's step, the view gain is discounted by a full step and the reaction gain credited with one. Measured by tgregister velocity.py (our own t.me/s/ readings).

What this does and does not say. It says the two counters moved apart, by more than rounding and more than this channel’s own history predicts. It asserts no cause. Views arriving from outside Telegram, an embedded or forwarded copy of the post, and a burst of readers who simply do not react all produce this shape. This detector has recorded very few observations across the whole register, and its precision has not been measured; treat it as an anomaly worth looking at, not as a finding.

Recorded under the key view_reaction_decoupling, last confirmed 25 October 2026. An observation that a later pass no longer finds is cleared, and a cleared observation is removed from this page rather than being shown struck through — we do not keep publishing a claim we have withdrawn. Dispute an observation.

Growth

2,012,5563,027,2862,519,9216 August 2026 — 2,033,587 subscribers6 August 2026 — 2,033,587 subscribers6 August 2026 — 2,064,241 subscribers7 August 2026 — 2,126,924 subscribers8 August 2026 — 2,181,800 subscribers9 August 2026 — 2,224,384 subscribers11 August 2026 — 2,284,807 subscribers11 August 2026 — 2,326,240 subscribers13 August 2026 — 2,363,131 subscribers14 August 2026 — 2,431,926 subscribers16 August 2026 — 2,605,177 subscribers17 August 2026 — 2,698,480 subscribers18 August 2026 — 2,796,458 subscribers19 August 2026 — 2,817,261 subscribers20 August 2026 — 2,869,570 subscribers21 August 2026 — 2,937,016 subscribers22 August 2026 — 3,027,286 subscribers24 August 2026 — 2,991,047 subscribers25 August 2026 — 2,956,728 subscribers26 August 2026 — 2,922,981 subscribers27 August 2026 — 2,900,940 subscribers28 August 2026 — 2,879,509 subscribers29 August 2026 — 2,854,837 subscribers30 August 2026 — 2,836,422 subscribers31 August 2026 — 2,812,428 subscribers1 September 2026 — 2,792,754 subscribers2 September 2026 — 2,777,253 subscribers3 September 2026 — 2,759,126 subscribers5 September 2026 — 2,720,179 subscribers8 September 2026 — 2,657,137 subscribers11 September 2026 — 2,617,034 subscribers13 September 2026 — 2,587,353 subscribers14 September 2026 — 2,563,731 subscribers16 September 2026 — 2,536,046 subscribers19 September 2026 — 2,505,387 subscribers26 September 2026 — 2,311,752 subscribers4 October 2026 — 2,231,722 subscribers8 October 2026 — 2,185,855 subscribers13 October 2026 — 2,121,784 subscribers14 October 2026 — 2,092,863 subscribers15 October 2026 — 2,075,913 subscribers16 October 2026 — 2,066,102 subscribers17 October 2026 — 2,055,121 subscribers18 October 2026 — 2,048,385 subscribers19 October 2026 — 2,042,678 subscribers21 October 2026 — 2,036,237 subscribers22 October 2026 — 2,028,967 subscribers23 October 2026 — 2,023,521 subscribers24 October 2026 — 2,016,898 subscribers25 October 2026 — 2,012,556 subscribers6 August 202625 October 2026
50 measurements spanning 80 days, net -21,031. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 1,860,347–3,179,496 and does not start at zero.
Measurement log — every subscribers count we have recorded, most recent 20 of 50
Measured (UTC)SubscribersChange
25 Oct 2026, 06:362,012,556-4,342
24 Oct 2026, 08:252,016,898-6,623
23 Oct 2026, 04:582,023,521-5,446
22 Oct 2026, 07:142,028,967-7,270
21 Oct 2026, 00:592,036,237-6,441
19 Oct 2026, 19:512,042,678-5,707
18 Oct 2026, 19:102,048,385-6,736
17 Oct 2026, 16:182,055,121-10,981
16 Oct 2026, 14:002,066,102-9,811
15 Oct 2026, 16:482,075,913-16,950
14 Oct 2026, 13:492,092,863-28,921
13 Oct 2026, 03:072,121,784-64,071
8 Oct 2026, 22:202,185,855-45,867
4 Oct 2026, 12:542,231,722-80,030
26 Sept 2026, 01:022,311,752-193,635
19 Sept 2026, 04:212,505,387-30,659
16 Sept 2026, 19:002,536,046-27,685
14 Sept 2026, 18:592,563,731-23,622
13 Sept 2026, 07:012,587,353-29,681
11 Sept 2026, 08:392,617,034first reading

Engagement

5,876 posts held, back to 8 April 2017 — the reader has reached the start of this channel’s public history, so this is the full archive Telegram still exposes. Read across 4,104 pages of Telegram’s post history, 20 posts per page.

ERR · 30 days
0.423%
avg views ÷ 2,012,556 subscribers
Avg views / post
8,520
246 posts measured
Reaction rate
3.26%
reactions ÷ views · ER floor
Posts in window
246
of 5,876 held

ERR is average views per post over the last 30 days divided by subscribers, the definition TGStat uses, so this figure is comparable with the one you will see elsewhere. It falls structurally as a channel grows: a high ERR on a small channel and a low one on a large channel describe reach mathematics, not quality. We publish the figure and the sample it came from and pass no verdict on it.

ER is defined industry-wide as (forwards + reactions + comments) ÷ views — note the denominator is views, not subscribers. Telegram’s public web preview carries views and reactions but not forward or comment counts, so the reaction rate above is the reactions term only and is therefore a floor: the true ER for this channel is higher by an amount we have not measured and will not estimate.

What these figures were computed from
WindowRolling 30 days · latest post in window 18 October 2026
Posts held5,876 (8 April 2017 – 18 October 2026)
Views total2,095,280
Reactions total68,253
Forwards / commentsnot exposed by the public surface — not measured, not estimated
Readings taken25 Oct 2026, 16:05 UTC

Views are a single reading per post, taken at the time above. A post published in the last day or two is still accumulating views, which pulls the 30-day average down slightly. That is a property of the standard definition rather than a fault in it, so we keep the definition rather than “correcting” the number into something nobody can reproduce.

Precision. Telegram publishes view counts on its public widget in short form — 8.12K, 3.7M — so any reading at or above 1,000 reaches us rounded to three significant figures, and only counts below 1,000 are exact. Averages and rates derived from them are shown to the same precision rather than to the unit: a figure like 3,701,250 would assert digits nobody measured.

Reaction counts are published per emoji and rounded the same way, so a total below 1,000 is exact and a larger one is a sum that may carry a rounded component from each emoji above 1,000. Because it is a sum, it does not look rounded — read a large reaction total as three significant figures per contributing emoji rather than as the figure it prints.

What this channel posts

Photos
≈2,220
Videos
≈18
Links
≈39

Lifetime counters from Telegram’s own channel header, read 25 October 2026 — not the date at the top of this page, which is when the subscriber count was last read. A count marked ≈ was rounded by Telegram before we ever saw it — t.me prints these counters in full below 1,000 and to three significant figures above, so ≈142,000 means somewhere between 141,500 and 142,499.

View velocity

How fast this channel’s own posts pick up views, from re-reading them repeatedly in the hours and days after they were published rather than the single reading most entries on this register get. Coverage is early and only a small minority of channels hold it at all — a gap in this section means the post has not been re-read again yet, not that nothing happened.

Computed from 246 of this channel’s own posts over the last 30 days: across 246 of this channel’s own posts with a clear reading, a typical one reaches half of its last-observed view count within 5.5 hours of being posted; a typical post has already reached 32.1% of its 24-hour view count within the first hour, and 71.1% within the first six; the median 24-hour reach across those posts is 5,715 views — 0.284% of this channel’s own subscriber count (90th percentile 6,925).

8 most recently posted, with a view-velocity reading
PostReadingsLatest readingCurve24h reachHalf of last-observed views by
/1167218 Oct 2026, 13:23 UTC2138 minutes – 5 days old9,170 views ~714 reactions60 minutes: 1,364 interp. → 3.0 hours: 1,860 → 6.0 hours: 2,470 → 12 hours: 2,930 → 24 hours: 3,750 → 2 days: 5,120still climbing at last reading3,750measured39 hours
/1167116 Oct 2026, 21:21 UTC2464 minutes – 7 days old12,000 views ~700 reactions60 minutes: 1,209 interp. → 3.0 hours: 1,460 → 6.0 hours: 1,670 → 12 hours: 2,640 → 24 hours: 4,100 → 2 days: 5,960 → 7 days: 12,000still climbing at last reading4,100measured2 days
/1167016 Oct 2026, 19:21 UTC23224 minutes – 7 days old12,200 views ~512 reactions60 minutes: 1,410 → 3.0 hours: 2,130 → 6.0 hours: 2,380 → 12 hours: 3,120 → 24 hours: 4,460 → 2 days: 6,180 → 7 days: 12,200still climbing at last reading4,460measured47 hours
/1166916 Oct 2026, 10:04 UTC216under a minute – 7 days old12,900 views ~724 reactions60 minutes: 1,486 interp. → 3.0 hours: 2,047 interp. → 6.0 hours: 2,600 → 12 hours: 4,180 → 24 hours: 5,130 → 2 days: 6,670 → 7 days: 12,900still climbing at last reading5,130measured44 hours
/1166815 Oct 2026, 18:44 UTC21826 minutes – 7 days old12,700 views ~577 reactions60 minutes: 1,400 interp. → 3.0 hours: 2,010 → 6.0 hours: 2,320 → 12 hours: 2,730 → 24 hours: 4,680 → 2 days: 6,970 → 7 days: 12,700still climbing at last reading4,680measured40 hours
/1166715 Oct 2026, 12:32 UTC20349 minutes – 7 days old12,600 views ~599 reactions60 minutes: 1,364 interp. → 3.0 hours: 1,960 → 6.0 hours: 2,610 → 12 hours: 3,730 → 24 hours: 4,940 → 2 days: 7,210 → 7 days: 12,600still climbing at last reading4,940measured33 hours
/1166615 Oct 2026, 10:12 UTC20412 minutes – 7 days old12,300 views ~507 reactions60 minutes: 1,383 interp. → 3.0 hours: 2,290 → 6.0 hours: 2,990 → 12 hours: 4,140 → 24 hours: 4,880 → 2 days: 7,140 → 7 days: 12,300still climbing at last reading4,880measured33 hours
/1166514 Oct 2026, 17:04 UTC19910 minutes – 7 days old12,700 views ~523 reactions60 minutes: 1,671 interp. → 3.0 hours: 2,362 interp. → 6.0 hours: 2,840 → 12 hours: 3,100 → 24 hours: 5,110 → 2 days: 7,150 → 7 days: 12,700still climbing at last reading5,110measured40 hours

Curve is every standard checkpoint we hold a reading for (+1h, +3h, +6h, +12h, +24h, +48h, +7d after posting) — measured where a real reading landed close enough to that age, interpolated where it did not but readings on both sides let one be worked out between them. Nothing is ever extrapolated past the last real reading. Latest reading is the newest view and reaction count we hold for the post, side by side, so a gap between how views and reactions moved is visible without following it into the Observations section above. 24h reach is that one checkpoint on its own, labelled the same way. Half of last-observed views is the age at which a post’s view count crossed half of the highest figure we have read for it so far — an upper bound when the very first reading was already past half (we cannot see the actual crossing), and biased low while the post is still climbing, since “half of final” is dividing by a number that has not finished growing yet. Both caveats are printed inline wherever they apply, never silently dropped.

Reaction mix

168,742 reactions across 689 posts, in 4 distinct kinds. The most used accounts for 44.1% of them.

Every reaction kind recorded on the sample, most used first
ReactionCountShareShare, drawn
❤74,42944.1%
👍35,11020.8%
🔥32,93819.5%
🎉26,26515.6%

No sentiment is inferred, and none should be read in. This table is ordered by count and by nothing else. Emoji do not carry stable meaning across languages or communities — 🙏 is thanks in one channel and mourning in another — so we publish which ones were pressed and how often, and pass no judgement on what an audience meant by them.

Precision. Telegram publishes reaction counts per emoji and short-forms each one — 4.34K, 1.2M — so any single kind at or above 1,000 reaches us at three significant figures, and only counts below 1,000 are exact. The shares above are ratios of those figures and carry the same error. This is also why the total here can differ slightly from a reaction total printed elsewhere on the page: both are sums of the same rounded parts, taken over samples with different edges.

Coverage. Reactions were read on 1,000 of the 1,000 sampled posts in this sample. Summed by Telegram’s own count on each post — not by adding up the per-emoji breakdown above — those same posts carry 190,294 reactions in total: the kind of figure the paragraph above means by “a reaction total printed elsewhere on the page”.

Measured over the 1,000 most recent posts we hold (the sample is capped at 1,000), published 18 July 2026 to 18 October 2026, using the newest reading held for each. Telegram Stars are excluded: they are a payment, not a reaction, and they have their own section.

Telegram Stars

Stars received
136
across the posts below
Posts paid on
62
of 1,000 we hold a reading for · 6%
Most on one post
51
single highest reading

A paid reaction is a reader spending Telegram Stars — bought with money — on a post by @Shervin_Trading. Telegram publishes the count on the public post preview alongside ordinary reactions, and this register reads it there. It is the only figure on this site that measures money moving rather than attention.

Stars are not reactions, and the two are never added. They are rendered in the same strip on Telegram and counted in the same shape, but one is a tap and the other is a purchase. The reaction totals and the engagement rate elsewhere on this page exclude every figure in this section, and no rate here is computed against a reaction count.

This is not revenue, and we publish no currency figure. What a Star costs a reader and what it pays a channel are different numbers, Telegram takes a share we cannot observe, and the terms have changed. Converting a Star count into money would be an estimate dressed as a measurement, so the count is where we stop.

Counted over the 1,000 most recent posts we hold for this entry (the sample is capped at 1,000), published 18 July 2026 to 18 October 2026. Star counts above 1,000 reach us in Telegram’s short form and carry the same three-significant-figure rounding as everything else on this page.

Recent posts

18 Oct 2026, 13:23 UTC≈9,170 views714 reactionsread 23 October 2026

🔹فرصت ویژه.... 🔗 https://t.me/+nupKFP5UuYc4ZmUx

👍191❤186🎉174🔥163

16 Oct 2026, 21:21 UTC≈12,000 views700 reactionsread 23 October 2026

🔹فرصت ویژه.... 🔗 https://t.me/+nupKFP5UuYc4ZmUx

🔥200❤184👍171🎉145

16 Oct 2026, 19:21 UTC≈12,300 views512 reactionsread 23 October 2026

🔹فرصت ویژه.... 🔗 https://t.me/+nupKFP5UuYc4ZmUx

❤132🎉127👍127🔥126

16 Oct 2026, 10:04 UTC≈13,400 views723 reactionsread 23 October 2026

🔹فرصت ویژه.... 🔗 https://t.me/+nupKFP5UuYc4ZmUx

👍194🎉191❤173🔥165

15 Oct 2026, 18:44 UTC≈13,800 views577 reactionsread 23 October 2026

🔹فرصت ویژه.... 🔗 https://t.me/+nupKFP5UuYc4ZmUx

❤158👍158🔥139🎉122

15 Oct 2026, 12:32 UTC≈13,900 views599 reactionsread 23 October 2026

🔹فرصت ویژه.... 🔗 https://t.me/+nupKFP5UuYc4ZmUx

❤171👍147🔥147🎉134

15 Oct 2026, 10:12 UTC≈13,500 views507 reactionsread 23 October 2026

🔹فرصت ویژه.... 🔗 https://t.me/+nupKFP5UuYc4ZmUx

👍137🎉124❤123🔥123

14 Oct 2026, 17:04 UTC≈14,300 views525 reactionsread 23 October 2026

🔹لینک ادیت شده مشکل برای کسایی بالا نمیومد حل شد اگه برای شمام نمیومد مجدد تست کنید 🔗 https://t.me/+nupKFP5UuYc4ZmUx

🎉144❤143👍123🔥115

14 Oct 2026, 16:35 UTC≈13,600 views632 reactionsread 23 October 2026

🔹رفقا جهت خرید به چنل زیر مراجعه کنید 🔗 https://t.me/+nupKFP5UuYc4ZmUx

👍186🎉154🔥149❤143

14 Oct 2026, 16:02 UTC≈13,900 views630 reactionsread 25 October 2026

🔔رفقا آموزش نمونه خرید آماده شد و تو چنل آموزشی قرار دادم دقت کنید این آموزش فقط جهت اینکه بدونید فرایند خرید چطور انجام میشه هست دوستان ➕ 🖊️لینک چنل آموزشی : 🔗https://t.me/+rcW861veed5iNGI0

🔥183❤153👍150🎉144

14 Oct 2026, 14:06 UTC≈12,900 views815 reactionsread 25 October 2026

🔹 بچه‌ها، حواستون باشه! امروز راس ساعت ۲۰:۰۰ با استارت این توکن استراتژیک، هدفمون فقط یه سود معمولی نیست؛ هدفمون اینه که بازدهی‌ای از بازار بگیریم که ان‌شاءالله امسال خیال خودمون و خانواده‌مون از هر جهت راحت باشه. 💣 ➕ این پاداشِ کسانی‌ست که دیسیپلین ترید رو رعایت کردن و اتریوم (ETH) رو توی کیف‌ پول سیف‌پلِ خودشون آماده نگه داشتن. کارِ درست رو شما کردید! 👨‍💻 🚀 آماده‌اید برای یک ستاپِ بی‌نقص و بی‌حاشیه؟ ریکشن‌ها رو …

❤291👍182🎉179🔥163

14 Oct 2026, 11:16 UTC≈11,700 views843 reactionsread 25 October 2026

سلام رفقا، ظهرتون بخیر و پر از اتفاق‌های خفن! 🐳 ☑️ یادتون باشه، مسیر موفقیت از یه ذهن قوی و با اعتمادبه‌نفس شروع میشه ⌛️ بالاخره به روز سرنوشت‌ساز 22 مهر رسیدیم! امروز دقیقاً همون روزیه که بازار کریپتو قراره پتانسیل واقعی این ابرپروژه رو به چشم ببینه. امروز همون روزیه که قراره تصمیم‌های هوشمندانه، تفاوت‌ها رو رقم بزنه. پس رفیق، با قدرت، تمرکز و دیسیپلین بیا جلو؛ این گوی و این میدان! 🤩 انرژی‌تون رو با ریکشن‌ها بترک…

🎉246❤244👍187🔥166

Showing the 12 most recent of 5,876 posts we hold for @Shervin_Trading. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.

Posts edited after publishing

@Shervin_Trading edited 10 posts after it first published — the same permalink now carries different wording than the one this register originally read, caught because our own crawl held a copy of the earlier text.

An edit is not deception. Typo fixes, price updates and corrections look exactly like this too — this register can tell you the wording changed and when, not why. How this is measured.

First edit seen
9 September 2026
Most recent edit
8 October 2026

Forward network

Republished by

Channels on the register that have forwarded this channel's posts into their own feed.

Built only from forwarded posts we have actually read, on both sides. Coverage is early and deliberately incomplete: a missing link means we have not read the post that would prove it, never that the relationship does not exist. Counts are distinct forwarded posts observed, so they only ever go up as we read more.

Mentions

Named by 1 registered channel — every channel on the register whose own posts have named this one, by its current username or any other username it currently holds, merged from two separately captured readings of the same fact so a namer caught by only one of them is not missed and a namer both caught is not counted twice. A username this channel has since dropped is not matched — that handle may belong to someone else now, and crediting today’s namer to yesterday’s owner would misattribute it.

Names

Channels on the register whose handles appear in this channel's posts.

A mention is a weaker signal than a forward and is counted separately for that reason — naming a channel is not republishing it, and a handle in a post body is easy to place deliberately. The post counts beside each row below are distinct posts in which the handle appeared, from posts we have read on both sides — the “Named by N registered channels” figure above is a different count, of distinct NAMING CHANNELS rather than posts, and is not the sum of the rows under it.

Cite this entry

A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 25 October 2026 — this entry's latest reading, not the date you are reading this.

“سیگنال | کریپتو | تریدر” (@Shervin_Trading), 2,012,556 subscribers as measured 25 October 2026. Telegram Register, tgregister.com/channel/Shervin_Trading.

Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.