OpenTechnical

OT-2026-000030478

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000030478) never changes.

Identity and time

Publication numberOT-2026-000030478 · never reused
Internal UUID01a0ae73-e504-74e4-b480-14633e7871ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030478
StatusPUBLIC

Content hashes

Canonical text413a4f975faf7a36ed0d5bf8dc3e6b3e2ebf7c8e92a13f77bc85b13576038e7b
Markdown698c5c2b7ebf9a6afa021d5397f791bd41929122b47ef2ce9f8b8b642a3505f9
PDF
Publication pagedf69ec6817b09c42167298e5a7dd04803e34062722c161a5744e83b555e82490
Manifest43e9ccd56e3ad8fbd545e5507552af583f264964b5797d300a2f5fd085077035

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
SignatureCjWXtQllOoTuSIDkmVbgyhsh+dkUBACqF+JZmwufg4ljk+0QJN5v5aWskkjOjUFQiSnjxNmrC4SrDhZfYbfaCg==
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

2026-09-17T11:38:19.581722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030478
observed df69ec6817b09c42167298e5a7dd0480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.562156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030478/manifest.json
observed 43e9ccd56e3ad8fbd545e5507552af58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.543779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030478/publication.md
observed 698c5c2b7ebf9a6afa021d5397f791bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.523878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030478/publication.txt
observed 413a4f975faf7a36ed0d5bf8dc3e6b3e...
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.