OpenTechnical

OT-2026-000002809

Publication integrity record

Generating references for robot-carried objects and related technology

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-2026-000002809) never changes.

Identity and time

Publication numberOT-2026-000002809 · never reused
Internal UUID01a0a67e-e808-72cd-a5f1-a527714045c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:29.928526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002809
StatusPUBLIC

Content hashes

Canonical text068bc77b4001be58d7cfc0e91d87b002cf78e352b2f585950e20e5585b19cbf3
Markdownc34cd660deae08c0e0cf61e2697e8034cf7f0c9b177ddd3a53cb96be788e1af7
PDF
Publication page1d8d1d4413f8745833f64faa4120075a982a954bc8fe3457f190af2665c4d2d7
Manifest2f20b5555bdce648476fc09c5f76748af6d9a863e9d0f07083bda4316c6d4bf5

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
Signaturew/VoTzJ7PtydagwKTseA1ui8jnKqmfD47Grazy0Zg8mIuzp8F4PYVfPG3h8TC0u18WElN2syRahCikKitQDTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-16T04:23:07.455088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809
observed 1d8d1d4413f8745833f64faa4120075a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:07.440579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809/manifest.json
observed 2f20b5555bdce648476fc09c5f76748a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:07.424790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809/publication.md
observed c34cd660deae08c0e0cf61e2697e8034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:07.410277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809/publication.txt
observed 068bc77b4001be58d7cfc0e91d87b002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T00:43:22.018670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809
observed 1d8d1d4413f8745833f64faa4120075a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:21.870891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809/manifest.json
observed 2f20b5555bdce648476fc09c5f76748a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:21.730837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809/publication.md
observed c34cd660deae08c0e0cf61e2697e8034...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:21.391245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002809/publication.txt
observed 068bc77b4001be58d7cfc0e91d87b002...
fetched by grabo-systems from 34.44.131.203, 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