OpenTechnical

OT-2026-000038446

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000038446) never changes.

Identity and time

Publication numberOT-2026-000038446 · never reused
Internal UUID01a0ae78-2d53-79b6-90a2-1596fedc8173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038446
StatusPUBLIC

Content hashes

Canonical text6fc1507b1571dd626b239c02a317d660257ca0cfdb402271dd9763f8b3ab1129
Markdownd13d091f13c204bbbec6d2534ff6e72b0d2e96f0d0af6fc20e8dc3896b6b6c2d
PDF
Publication page88879131bf79a77254d407975e9ccca5608198ce85035275d146e0ae0a2e0a72
Manifest00d15e574802b96434b4ba536b595dea8fc6d4db95dd15b4f83fee9dfd0080b8

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
Signaturey6VNgMYMp/LG2F80tKqxDxwIhB3AEo+b0wQn8EvG66h5HsOAjYRNjsZ/BijXsQ00L4//MthRC3HEZijvoz2NBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:40.566518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038446
observed 88879131bf79a77254d407975e9ccca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.548337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038446/manifest.json
observed 00d15e574802b96434b4ba536b595dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.532268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038446/publication.md
observed d13d091f13c204bbbec6d2534ff6e72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.516207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038446/publication.txt
observed 6fc1507b1571dd626b239c02a317d660...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.