OpenTechnical

OT-2026-000092974

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-2026-000092974) never changes.

Identity and time

Publication numberOT-2026-000092974 · never reused
Internal UUID01a0ae9e-090f-74f5-9bb2-32953fa2692b · 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-2026-000092974
StatusPUBLIC

Content hashes

Canonical text91bd94a9ee3f72f3bd5c2c6edec1da7466d645dfe203173b5a16d75cf602d5f2
Markdowna35b9bc2b7135110c053fc21f5e770b7e7bc4d7676dfa604903b7e441271e528
PDF
Publication page93157ce1e08a08cf1ed2b3f823fff16700dc2bf3157fcf3ddac38a62742c8e34
Manifest997287ab11da59475a034e24575d7996eeedeeb3015ca86c7f8445cbf1b85144

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
SignatureWT45JCcwparW7uqvd8Cs243VwAOMNYdDuvqIli2ReT3XuhoSAIX2AMu77lsxsnHf/BFiOVYkOzvdg552HEKfDw==
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

2026-09-17T09:40:10.326715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092974
observed 93157ce1e08a08cf1ed2b3f823fff167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.308774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092974/manifest.json
observed 997287ab11da59475a034e24575d7996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.287370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092974/publication.md
observed a35b9bc2b7135110c053fc21f5e770b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.268023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092974/publication.txt
observed 91bd94a9ee3f72f3bd5c2c6edec1da74...
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.