OpenTechnical

OT-2026-000025806

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000025806) never changes.

Identity and time

Publication numberOT-2026-000025806 · never reused
Internal UUID01a0ae71-a83e-70f3-97a3-e2ea276b40a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025806
StatusPUBLIC

Content hashes

Canonical textfb4be22b2ba8f37dce3b2b38de5badc7f685d6107f5b91534ef918dab6b3d2c7
Markdown955e3b42abe98b84ef40f77358f854dabb05bf5828a959a0d0e04a85384ed147
PDF
Publication page285fac2fb1fe0aafc16d640db1718aacd6bbf0f19ac8b207cbe248d75db0ca3d
Manifest7cb07e1044aa4d4fb7c711b35d7f7fa0357a68ed26449b4e222c3d1ca9c36f59

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
SignaturefVZpjNBDeDYWRJ9JLmf8fTDJvuTobolkGJVRE7wOdZ9zG2RjLfGPL9w7ZloPJeMv0qdJFRyVVbis8AUhDYUpBw==
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

2026-09-17T11:46:01.139652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025806
observed 285fac2fb1fe0aafc16d640db1718aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.123846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025806/manifest.json
observed 7cb07e1044aa4d4fb7c711b35d7f7fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.105115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025806/publication.md
observed 955e3b42abe98b84ef40f77358f854da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.086398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025806/publication.txt
observed fb4be22b2ba8f37dce3b2b38de5badc7...
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.