OpenTechnical

OT-2026-000025834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000025834) never changes.

Identity and time

Publication numberOT-2026-000025834 · never reused
Internal UUID01a0ae71-a83e-7b8a-8192-840fa64e2d74 · 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-2026-000025834
StatusPUBLIC

Content hashes

Canonical text28f4ee8c3eee2502d9a8a82fc05cb4ff795762296d0560a5de9ca1d03afbf740
Markdown3e24c7419c3728ed742e3d07422f88887a4968646264e22a4c2e52989d9b2b54
PDF
Publication pageaac1e8e6f1bb96958b1fce7ff565d831696782c24c42c58f4730253b93c199cc
Manifest56ca546f02d0ff41c1d5cc6cffeb14513f47b2ab90f4504494f9f6245a4f5206

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
Signaturem+sAbfvv4XisXFD++LChWzJQ4e7wvDnISrIP6GtYIWp+BST5uEJ0+jr4DarIl8lzwOIBg3qENtgg5IL+jlWrAg==
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

2026-09-17T11:46:03.604772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025834
observed aac1e8e6f1bb96958b1fce7ff565d831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.589681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025834/manifest.json
observed 56ca546f02d0ff41c1d5cc6cffeb1451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.575104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025834/publication.md
observed 3e24c7419c3728ed742e3d07422f8888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.558795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025834/publication.txt
observed 28f4ee8c3eee2502d9a8a82fc05cb4ff...
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.