OpenTechnical

OT-2026-000001414

Publication integrity record

Autonomous system for grain sampling and grading

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-2026-000001414) never changes.

Identity and time

Publication numberOT-2026-000001414 · never reused
Internal UUID01a0a675-edeb-7b67-8e98-716d5a859024 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:41.612300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001414
StatusPUBLIC

Content hashes

Canonical textdf86fc2e2e174538aa3514190fb15e776a808466ac8d4cd72ce1f40c3ad5465b
Markdown3f76a6f08d271282a37997283e3b4862777015dcfbc8351f029dcc817e5fa894
PDF
Publication pagefea15b30b97c5122ec59dc021a2849a38fded81828dc329153451c1f2a6f60a6
Manifestb5660de1b1ade0c3b2c0e8a8b39c6a46847166aba264e6b561140224c713653c

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
Signature0RiwO+Dil5U3eJCYE1K+I3dkMuB6nuDvDssN6fZRKKooU8w1pKYjfnKYNOESzldSXZr+rcmWvQrmdPLnxCsOAg==
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

2026-10-13T04:23:37.442028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414
observed fea15b30b97c5122ec59dc021a2849a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-13T04:23:37.430239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414/manifest.json
observed b5660de1b1ade0c3b2c0e8a8b39c6a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-13T04:23:37.417404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414/publication.md
observed 3f76a6f08d271282a37997283e3b4862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-13T04:23:37.256232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414/publication.txt
observed df86fc2e2e174538aa3514190fb15e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:43:23.688364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414
observed fea15b30b97c5122ec59dc021a2849a3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:23.542077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414/manifest.json
observed b5660de1b1ade0c3b2c0e8a8b39c6a46...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:23.221515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414/publication.md
observed 3f76a6f08d271282a37997283e3b4862...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:22.856303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001414/publication.txt
observed df86fc2e2e174538aa3514190fb15e77...
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