OpenTechnical

OT-2026-000001162

Publication integrity record

Crane and method for controlling such a crane

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-2026-000001162) never changes.

Identity and time

Publication numberOT-2026-000001162 · never reused
Internal UUID01a0a674-56c9-79bc-86d1-238f34f6a861 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:57.385370Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001162
StatusPUBLIC

Content hashes

Canonical text8d6fbd88aaed85d977534fc348f15b98d3804869d376c21114d6fe949dd8b56f
Markdown876511bbda8e7277c3586a035a8d25614728ebd219a35f54fe96899f625e73bd
PDF
Publication page8dd6b7045fa2fdbce387a85cb71083a51ff2e9b498a0e803c5d55c6e98fcb644
Manifesta6b1948c1f6aec3b657f4ce95f77a988e4c7a8874686d6731088eb8ba764ee1b

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
Signature6oexEdIHYrc8ksyc7dptS7dJq8TdOZBtJU1ANmI19tvLiNteaTk+BwGrqE9i7P78R34N/BH/RGjM/LQ9RFppDg==
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

2026-09-16T00:43:27.522140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001162
observed 8dd6b7045fa2fdbce387a85cb71083a5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:27.290429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001162/manifest.json
observed a6b1948c1f6aec3b657f4ce95f77a988...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:27.160461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001162/publication.md
observed 876511bbda8e7277c3586a035a8d2561...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:27.030228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001162/publication.txt
observed 8d6fbd88aaed85d977534fc348f15b98...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:20:17.132564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001162
observed 8dd6b7045fa2fdbce387a85cb71083a5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:17.099759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001162/manifest.json
observed a6b1948c1f6aec3b657f4ce95f77a988...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:17.085590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001162/publication.txt
observed 8d6fbd88aaed85d977534fc348f15b98...
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