OpenTechnical

OT-2026-000003311

Publication integrity record

Frame for machine tools

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-2026-000003311) never changes.

Identity and time

Publication numberOT-2026-000003311 · never reused
Internal UUID01a0a6ae-6a65-71c9-bb7c-ee290cd3f682 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:07:23.493431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003311
StatusPUBLIC

Content hashes

Canonical textf2b54d73644ffb5f224b54001cb0c608d45ef67ee11d6c8adbba98d815d04cd2
Markdown2346bb6e502430d4a5beb7a6aa03f85ad097a6ec6590a8a393f940e0efb06de8
PDF
Publication pagef3c4e136b96c3c487deeb52a37cc46ed9f8b7d4c15b16e9f692a0dba7f5a19ae
Manifest0994141e253b614031c94a2204fba9d9e9782f2ac5b4237cec303c6f327d9c5e

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
SignatureuuolTbrVSi49eeJXokSkAMTwiHYefIqz3nZSPVNjNI8iq4OE91357SEmTIhpQuNEL8ZWEPP3GC7Anz+msAN8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-18T16:43:08.347684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003311
observed f3c4e136b96c3c487deeb52a37cc46ed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T16:43:07.884734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003311/manifest.json
observed 0994141e253b614031c94a2204fba9d9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T16:43:07.419906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003311/publication.md
observed 2346bb6e502430d4a5beb7a6aa03f85a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T16:43:06.872133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003311/publication.txt
observed f2b54d73644ffb5f224b54001cb0c608...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:10:04.725859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003311
observed f3c4e136b96c3c487deeb52a37cc46ed...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:04.558832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003311/manifest.json
observed 0994141e253b614031c94a2204fba9d9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:04.546702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003311/publication.txt
observed f2b54d73644ffb5f224b54001cb0c608...
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