OpenTechnical

OT-2026-000067258

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067258) never changes.

Identity and time

Publication numberOT-2026-000067258 · never reused
Internal UUID01a0ae8f-6bd6-7571-ba5b-d2c8b823c041 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067258
StatusPUBLIC

Content hashes

Canonical text42b9d4a48357fb1a636335f6b027a08705cc049a30bda800511891de7c195eca
Markdown9b346f591fb6d6367048c20bfc2055af494f51e67dda32c1e0f307cb01489e4d
PDF
Publication page5f9ca0ad0513d988ec6c00f1b8f532f21dc871b58aa24a4c72aa848d751ac5e0
Manifestbbbdd4075f1e64b83bfca1f2136155d84ceb95c9db2989c9e4a630d98149c3f2

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
SignatureYbBdUTzks680P4yXjfcQCW1FLuq9hs+tUKSQK+jazwEZqngzzXBF0WOvGxVEvxb9ln4f6ZZywyrlxk7gUhMKAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:56.060546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067258
observed 5f9ca0ad0513d988ec6c00f1b8f532f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.043999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067258/manifest.json
observed bbbdd4075f1e64b83bfca1f2136155d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.026734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067258/publication.md
observed 9b346f591fb6d6367048c20bfc2055af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.011018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067258/publication.txt
observed 42b9d4a48357fb1a636335f6b027a087...
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.