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Website evidence · pilot dataset

Does t.me fingerprint you?

No monitored fingerprinting signals observed in the latest measured scans.

No monitored signal family met its threshold in the latest measured scans. This limited visit does not establish that the site never fingerprints visitors. Earlier runs remain available below.

Open evidence JSON ↗

All 8 source records are included in the JSON. Scan timestamps and versions are shown as recorded. The tabs show the latest usable homepage measurement for each setup. Later failed attempts remain in the history. Scan scope and methodology ↗

Inside the scan

← All websites

Visitor setup

Not observed

0 of 5 signal families observed

Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Not observed
Measurement
Measured
Page context
Page document
Scan time
2026-10-22T16:40:18.738196Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleTelegram Messenger

CanvasDraws text and reads canvas output.1 API entries

Observed requires a text-drawing API and a canvas readback API. Guide ↗

canvas.getContext11 calls

Frame: https://telegram.org/

  • Inline caller recorded
  • https://telegram.org/js/main-theme.js
  • https://telegram.org/js/tgsticker.js
WebGLQueries the graphics environment.0 API entries

Observed requires at least three distinct WebGL probing APIs. Guide ↗

No matching API call was captured.

AudioRenders or reads audio samples.0 API entries

Observed requires offline rendering, buffer reads, or analyser reads. Guide ↗

No matching API call was captured.

FontsMeasures text repeatedly.0 API entries

Observed requires at least ten text-measurement calls. Guide ↗

No matching API call was captured.

DeviceReads browser and display properties.2 API entries

Observed requires at least three distinct browser, screen, or window properties. Guide ↗

navigator.userAgent1 calls

Frame: https://telegram.org/

  • https://telegram.org/js/tgsticker.js
window.devicePixelRatio2 calls

Frame: https://telegram.org/

  • https://telegram.org/js/main.js
  • https://telegram.org/js/tgsticker.js
Providers, script signatures, and DNS 0 provider labels

Provider labels and static signatures are scanner observations. A library-name match does not establish that its code executed.

No provider or DNS evidence in this record.

Network and worker observations 59 requests
Captured scripts
4
Instrumented frames
1
Google Ads observed
No
Transmission evidence
Not validated

Legacy transmission hints are excluded. A request after an API call does not establish that the extracted value was sent.

Third-party hosts

  • telegram.org
Source record and integrity
Original source
results/headful/t-me-20261022T164018.json
Original file SHA-256
752afe223ba2634d82ed6d2d14c90604ddb901cf764de294600552373bc6a1a5

Run ID: headful-752afe223ba2. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (2)

Visitor setup

Not observed

0 of 5 signal families observed

Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Not observed
Measurement
Measured
Page context
Page document
Scan time
2026-10-20T06:01:14.474374Z
Browser / scanner
156.0.8078.4 / 0.3

Captured titleTelegram Messenger

CanvasDraws text and reads canvas output.1 API entries

Observed requires a text-drawing API and a canvas readback API. Guide ↗

canvas.getContext11 calls

Frame: https://telegram.org/

  • Inline caller recorded
  • https://telegram.org/js/main-theme.js
  • https://telegram.org/js/tgsticker.js
WebGLQueries the graphics environment.0 API entries

Observed requires at least three distinct WebGL probing APIs. Guide ↗

No matching API call was captured.

AudioRenders or reads audio samples.0 API entries

Observed requires offline rendering, buffer reads, or analyser reads. Guide ↗

No matching API call was captured.

FontsMeasures text repeatedly.0 API entries

Observed requires at least ten text-measurement calls. Guide ↗

No matching API call was captured.

DeviceReads browser and display properties.2 API entries

Observed requires at least three distinct browser, screen, or window properties. Guide ↗

navigator.userAgent1 calls

Frame: https://telegram.org/

  • https://telegram.org/js/tgsticker.js
window.devicePixelRatio2 calls

Frame: https://telegram.org/

  • https://telegram.org/js/main.js
  • https://telegram.org/js/tgsticker.js
Providers, script signatures, and DNS 0 provider labels

Provider labels and static signatures are scanner observations. A library-name match does not establish that its code executed.

No provider or DNS evidence in this record.

Network and worker observations 59 requests
Captured scripts
4
Instrumented frames
1
Google Ads observed
No
Transmission evidence
Not validated

Legacy transmission hints are excluded. A request after an API call does not establish that the extracted value was sent.

Third-party hosts

  • telegram.org
Source record and integrity
Original source
results/headful/t-me-20261020T060114.json
Original file SHA-256
f6477e661661c1bc9f153fb5d18237e360f24edf095d830e0216d633b761445d

Run ID: headful-f6477e661661. The JSON contains sanitized observations, not the original private scan payload.

Visitor setup

Scanner error

Scanner error

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Scanner error
Page context
Page not measured
Scan time
2026-10-22T16:40:17.849478Z
Browser / scanner
156.0.8078.4 / 0.4
Scanner error — no usable scan result

The scanner crashed while collecting this page. No usable API results were saved for this setup. A fresh scan is needed; this is not a site-blocking verdict.

Source record and integrity
Original source
results/headful/t-me-20261022T164017.json
Original file SHA-256
94ba50b46af94f6ad771ccb1f443e3a1003dab72b7181a2921285795bf3f8095

Run ID: headful-94ba50b46af9. The JSON contains sanitized observations, not the original private scan payload.

Research setup

Not observed

0 of 5 signal families observed

Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Not observed
Measurement
Measured
Page context
Page document
Scan time
2026-10-23T00:29:54.226203Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleTelegram Messenger

CanvasDraws text and reads canvas output.1 API entries

Observed requires a text-drawing API and a canvas readback API. Guide ↗

canvas.getContext11 calls

Frame: https://telegram.org/

  • Inline caller recorded
  • https://telegram.org/js/main-theme.js
  • https://telegram.org/js/tgsticker.js
WebGLQueries the graphics environment.0 API entries

Observed requires at least three distinct WebGL probing APIs. Guide ↗

No matching API call was captured.

AudioRenders or reads audio samples.0 API entries

Observed requires offline rendering, buffer reads, or analyser reads. Guide ↗

No matching API call was captured.

FontsMeasures text repeatedly.0 API entries

Observed requires at least ten text-measurement calls. Guide ↗

No matching API call was captured.

DeviceReads browser and display properties.2 API entries

Observed requires at least three distinct browser, screen, or window properties. Guide ↗

navigator.userAgent1 calls

Frame: https://telegram.org/

  • https://telegram.org/js/tgsticker.js
window.devicePixelRatio2 calls

Frame: https://telegram.org/

  • https://telegram.org/js/main.js
  • https://telegram.org/js/tgsticker.js
Providers, script signatures, and DNS 0 provider labels

Provider labels and static signatures are scanner observations. A library-name match does not establish that its code executed.

No provider or DNS evidence in this record.

Network and worker observations 55 requests
Captured scripts
4
Instrumented frames
1
Google Ads observed
No
Transmission evidence
Not validated

Legacy transmission hints are excluded. A request after an API call does not establish that the extracted value was sent.

Third-party hosts

  • telegram.org
Source record and integrity
Original source
results/headless/t-me-20261023T002954.json
Original file SHA-256
9e69b64a75c5d76916aa3708f63a24a3c4dcc2256a918fe6992c3e5c72aea34a

Run ID: research-9e69b64a75c5. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (4)

Research setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-20T05:43:27.657461Z
Browser / scanner
156.0.8078.4 / 0.3
Navigation failed — no usable scan result

Navigation or page loading failed in this browser setup. The record does not establish why it failed.

Source record and integrity
Original source
results/headless/t-me-20261020T054327.json
Original file SHA-256
e960e27657263ed478a06c4a1ea5f4fef1f9de16e24ff3fee2df9b32b994979d

Run ID: research-e960e2765726. The JSON contains sanitized observations, not the original private scan payload.

Research setup

Scanner error

Scanner error

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Scanner error
Page context
Page not measured
Scan time
2026-10-22T19:02:48.445285Z
Browser / scanner
156.0.8078.4 / 0.4
Scanner error — no usable scan result

The scanner crashed while collecting this page. No usable API results were saved for this setup. A fresh scan is needed; this is not a site-blocking verdict.

Source record and integrity
Original source
results/headless/t-me-20261022T190248.json
Original file SHA-256
d236b0e5b0ef07582c70fd4a8b260026dae1ea51dbbf9365fc05b694b949c316

Run ID: research-d236b0e5b0ef. The JSON contains sanitized observations, not the original private scan payload.

Research setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-22T19:02:49.449579Z
Browser / scanner
156.0.8078.4 / 0.4
Navigation failed — no usable scan result

Navigation or page loading failed in this browser setup. The record does not establish why it failed.

Source record and integrity
Original source
results/headless/t-me-20261022T190249.json
Original file SHA-256
f3336e0488d55c8335c9c2c876b1beb0fe90aed3af812c7d82d6a96ec641c81c

Run ID: research-f3336e0488d5. The JSON contains sanitized observations, not the original private scan payload.

Research setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-23T00:06:02.827007Z
Browser / scanner
156.0.8078.4 / 0.4
Navigation failed — no usable scan result

Navigation or page loading failed in this browser setup. The record does not establish why it failed.

Source record and integrity
Original source
results/headless/t-me-20261023T000602.json
Original file SHA-256
01cacb163f8edf2165744e82051997dabdefcb65f7d948e31c2c4056a7e563bd

Run ID: research-01cacb163f8e. The JSON contains sanitized observations, not the original private scan payload.

Queries, request bodies, cookies, extracted values, raw errors, and session payloads are excluded before publication. The source digest identifies the original private record.

Read the sanitized JSON →