OpenTechnical

OT-2026-000001616

Publication integrity record

Apparatus for facilitating automation of vessels

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-2026-000001616) never changes.

Identity and time

Publication numberOT-2026-000001616 · never reused
Internal UUID01a0a677-2669-7218-8610-be61f00633c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:01.609948Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001616
StatusPUBLIC

Content hashes

Canonical text87bc417f23b7cf31e50b714c20334917d75e437169ab93db1dbadec01f771bcd
Markdown42bdf89269620e7c1a105658eb6ad645e1ede0e90a6be823556043e28f977d91
PDF
Publication page01c013c98350c75f0e0a3213410f8b4c5184a56082304c019ae6e769a2ba8237
Manifest6c27258dcbfedb440ea879ddcea3747f19093abcad611cf14e28698bcda18a77

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
SignatureT0oZmMPR0wQOoMM25l42GrEgwcDq6QHcUNN8BTDYaLqkJI4RW35Jq8bkDxgt9s4UsV0XCtXyvsiZlnfYrBqOBw==
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

2026-10-15T12:41:58.412934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616
observed 01c013c98350c75f0e0a3213410f8b4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:58.367572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616/manifest.json
observed 6c27258dcbfedb440ea879ddcea3747f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:58.320467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616/publication.md
observed 42bdf89269620e7c1a105658eb6ad645...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T12:41:58.213382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616/publication.txt
observed 87bc417f23b7cf31e50b714c20334917...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T08:41:52.954763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616
observed 01c013c98350c75f0e0a3213410f8b4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T08:41:52.842003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616/manifest.json
observed 6c27258dcbfedb440ea879ddcea3747f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T08:41:52.775149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616/publication.md
observed 42bdf89269620e7c1a105658eb6ad645...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T08:41:52.658964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001616/publication.txt
observed 87bc417f23b7cf31e50b714c20334917...
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