OpenTechnical

OT-2026-000006167

Publication integrity record

Porous face vacuum gripper, four outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000006167) never changes.

Identity and time

Publication numberOT-2026-000006167 · never reused
Internal UUID01a0a951-9bae-7ebb-aed0-b5cc23935ea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:52.913547Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006167
StatusPUBLIC

Content hashes

Canonical texte2c930cc9993d9753f8d7716fb239cc627e011a6d2646d2576cc47e15b1cfcd4
Markdown187d9576e085430216e7fda3e880f9df3cd8b8f46f428a5434fcde23c3bfea62
PDF
Publication pageb5ed6d334b1379488f581968eca43bb758eefdf2388d2945e78c7155842f35af
Manifestd559d678750222164d4feef7b85094e588b7bfc511038900e75687b07fff7f82

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
Signaturem1y5iEI+qB9lVcdd2R4Hr4fdQ3oeVMVyEkVQMScOAMJfrhsk5Qb4Iu9kkHRtI0QykFuqF+QrA+F5LyoI2cOrCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:19.979330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006167
observed b5ed6d334b1379488f581968eca43bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.965755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006167/manifest.json
observed d559d678750222164d4feef7b85094e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.950077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006167/publication.md
observed 187d9576e085430216e7fda3e880f9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.936380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006167/publication.txt
observed e2c930cc9993d9753f8d7716fb239cc6...
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.