OpenTechnical

OT-2026-000001408

Publication integrity record

Device and method for detecting longitudinal tear in conveyor belt

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-2026-000001408) never changes.

Identity and time

Publication numberOT-2026-000001408 · never reused
Internal UUID01a0a675-e540-7799-8ff7-5911559cc597 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:39.392840Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001408
StatusPUBLIC

Content hashes

Canonical text041d4aaa46a4ee7889b2f5801866425b0dca7808f54a7c5c01dc08775a91346a
Markdownd41aceaabaefea50d2fa86ab41012774c5b936d2abacbc09f7a8793972e76df6
PDF
Publication page76fa5d66c4a68c242ed3f2cdbb381c1782cfcd9d0511a9d4f065c3470901b71a
Manifest987bfc973bd3bb8cfea6b778fcbd14c8ff44d3d528834bf0c0c5c9fe2fc2884b

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
Signaturee3/2dbNpjou2WvxiN1CcYn312S4YHEuDXKtduLhfr/AE1QSigPlT6EXN03Yn4lrRNhE/lggJF1cc27cbc3ySBw==
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

2026-10-13T20:41:57.833373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408
observed 76fa5d66c4a68c242ed3f2cdbb381c17...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:41:57.760869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408/manifest.json
observed 987bfc973bd3bb8cfea6b778fcbd14c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:41:57.688331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408/publication.md
observed d41aceaabaefea50d2fa86ab41012774...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:41:57.568252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408/publication.txt
observed 041d4aaa46a4ee7889b2f5801866425b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-29T20:41:31.946473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408
observed 76fa5d66c4a68c242ed3f2cdbb381c17...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-29T20:41:31.896746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408/manifest.json
observed 987bfc973bd3bb8cfea6b778fcbd14c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-29T20:41:31.836169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408/publication.md
observed d41aceaabaefea50d2fa86ab41012774...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-29T20:41:31.740854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001408/publication.txt
observed 041d4aaa46a4ee7889b2f5801866425b...
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