OpenTechnical

OT-2026-000000762

Publication integrity record

Device and method for determining the three-dimensional geometry of an individual object

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000000762) never changes.

Identity and time

Publication numberOT-2026-000000762 · never reused
Internal UUID01a0a673-cb80-7f0e-85ca-2cde72d13ccc · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:21.728402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000762
StatusPUBLIC

Content hashes

Canonical text37963cb8c0dd6420768549e60887ea79bcfa49f673cb4eb3f870e2b96b553217
Markdown367ebd68d0afd3094d626d20a22c71fd28b19afaec015e6a7319ba1a2737a14b
PDF
Publication pagef1c684f0185b4f69fb5969074d39eaba70e0e5145452065ec1f85ae1bfee704d
Manifesta10a81a66cf681f30d6e79d559c754b14b1f87fbe78dc37bd76a7dfd60728272

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureFOsPB5JwNZ6YEM/6MusQcpm0OBUYJ9FdsjeZwsLpaWJXhs/CJ0nhGPQbQX4ZytCefDmDJHAIH5wgqqoovPpUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-26T16:41:30.986561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000762
observed f1c684f0185b4f69fb5969074d39eaba...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T16:41:30.902923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000762/manifest.json
observed a10a81a66cf681f30d6e79d559c754b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T16:41:30.856734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000762/publication.md
observed 367ebd68d0afd3094d626d20a22c71fd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-26T16:41:30.744099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000762/publication.txt
observed 37963cb8c0dd6420768549e60887ea79...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:30:38.691275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000762
observed f1c684f0185b4f69fb5969074d39eaba...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:38.657410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000762/manifest.json
observed a10a81a66cf681f30d6e79d559c754b1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:38.642809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000762/publication.txt
observed 37963cb8c0dd6420768549e60887ea79...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent