OpenTechnical

OT-2026-000039615

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000039615) never changes.

Identity and time

Publication numberOT-2026-000039615 · never reused
Internal UUID01a0ae78-d8d4-7934-b624-4db03f3e1901 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039615
StatusPUBLIC

Content hashes

Canonical text6a251ef08d184a10b448288f197462ed7d273a3c22532f6966607f4cf464b7a5
Markdowna71ac93cdb4f18d0ad4f44fd6cbc3013d63fa3603b6ee6f28238701897560c40
PDF
Publication page3e2ef098592da611bf3e8ec6034fb13db81aa9559a16fc0236d2ceba850e6439
Manifest6d1b8168f497d240c616592085050eb723301d45df0c28cb49aba5416e55ceb8

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
SignatureNZYeI6AfOjpn82bHaV/oUbEvk1WskOdKaz9R8lKo7DZJ6FAe+hVFIEex2Ts4fzvbZgl/5LcPA2OWnxmKs1g1BA==
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

2026-09-17T11:19:46.840953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039615
observed 3e2ef098592da611bf3e8ec6034fb13d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.821726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039615/manifest.json
observed 6d1b8168f497d240c616592085050eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.803856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039615/publication.md
observed a71ac93cdb4f18d0ad4f44fd6cbc3013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:46.785470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039615/publication.txt
observed 6a251ef08d184a10b448288f197462ed...
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.