OpenTechnical

OT-2026-000040612

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000040612) never changes.

Identity and time

Publication numberOT-2026-000040612 · never reused
Internal UUID01a0ae79-6d0e-7250-90ee-53e010811f9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040612
StatusPUBLIC

Content hashes

Canonical text2b9c852325c9a9d593c082be0813b1eeaba2b8e541e803e4b2c5cd1f5efa3d34
Markdownb4b6206ea3b69b77379af25bc3af7e50f3ae1ca537da6f0edf0f203c7f85a62b
PDF
Publication page1697bdbf8ecca853f96a6125e1e6c5aed891d92e674e88bf253c7661a4553e2b
Manifest51f841a24f30c741c6c6521df711595dcd6e409b76b39b64883329ca2675ea2c

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
SignatureJPwxbCwAw53srn+f/mPSrJ2zvGfmp+UQErpDjBpQA8I7nWJUS3RSZ9S4Xqdd7IolnZ+Q9wfJ6pkRJWmMqyS6CQ==
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

2026-09-17T11:17:47.339642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040612
observed 1697bdbf8ecca853f96a6125e1e6c5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.322908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040612/manifest.json
observed 51f841a24f30c741c6c6521df711595d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.305883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040612/publication.md
observed b4b6206ea3b69b77379af25bc3af7e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.287485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040612/publication.txt
observed 2b9c852325c9a9d593c082be0813b1ee...
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.