OpenTechnical

OT-2026-000092971

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000092971) never changes.

Identity and time

Publication numberOT-2026-000092971 · never reused
Internal UUID01a0ae9e-090f-7acb-af63-64d760298039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092971
StatusPUBLIC

Content hashes

Canonical textc199bc57043e55abf6473482ff224453597ced4b660d4d1fb2bdcdffd33bf367
Markdownab2f0b68073626f2f33aaf36712ac45605aaba1342c367685c1b0fd418db0c17
PDF
Publication page49bceedc31fb805f7df6b9078196d2ed2c13f4550bfbedf3541a8d0ee9d99688
Manifest36b6bdd78027bd4337d468b5850f6b83d997596bf683421451ae89a482bb8fb1

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
SignatureBSK1wzunee83nokNwqzsCKdc9IdgUD4t4Vp4LcE/uhQXL08YWhbxhgvAREB1GNyQcoMptbluRZRSjuOrr0QOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:10.028869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092971
observed 49bceedc31fb805f7df6b9078196d2ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.009193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092971/manifest.json
observed 36b6bdd78027bd4337d468b5850f6b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:09.989052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092971/publication.md
observed ab2f0b68073626f2f33aaf36712ac456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:09.970227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092971/publication.txt
observed c199bc57043e55abf6473482ff224453...
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.