OpenTechnical

OT-2026-000000302

Publication integrity record

Device and method for capturing the surface of a rotation body for a printing press

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-2026-000000302) never changes.

Identity and time

Publication numberOT-2026-000000302 · never reused
Internal UUID01a0a673-3563-7da2-8000-b3fa3ef425f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:43.299803Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000302
StatusPUBLIC

Content hashes

Canonical text1face2382cd55b7bd2e921e7870d0a874f570e5311fd8b5a70c57687bd6134a0
Markdowncb2f45cb50ef348132194095612874e8bce68dd7fb922997aac924a7067eac74
PDF
Publication pageb62f136d7d7db932ae52b89218095439d603fc28099d7b9b1edb35c3f0b39c54
Manifestb866ab57ad6430c5d4103753b3041d554a89ff8a2c164183c739e9db2d1fbea8

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
SignatureevhVcMb565S/EN9ViZw4oJKMXRSA4keNDn6F0xi5Eup+AI9JhLfHFU+OcCONYV8lbcKL19L+56LpcfsT3t6lCQ==
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

2026-10-28T00:41:34.880263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000302
observed b62f136d7d7db932ae52b89218095439...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T00:41:34.801821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000302/manifest.json
observed b866ab57ad6430c5d4103753b3041d55...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T00:41:34.733953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000302/publication.md
observed cb2f45cb50ef348132194095612874e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T00:41:34.624260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000302/publication.txt
observed 1face2382cd55b7bd2e921e7870d0a87...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:50:26.096366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000302
observed b62f136d7d7db932ae52b89218095439...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:26.064566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000302/manifest.json
observed b866ab57ad6430c5d4103753b3041d55...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:26.052010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000302/publication.txt
observed 1face2382cd55b7bd2e921e7870d0a87...
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