OpenTechnical

OT-2026-000089873

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000089873) never changes.

Identity and time

Publication numberOT-2026-000089873 · never reused
Internal UUID01a0ae9c-428d-790f-a608-d939a5290874 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089873
StatusPUBLIC

Content hashes

Canonical textcef681c2749e17d3b7dfc137e8bc2ac0c7cc89c3408df0a8122b630c2abc2a88
Markdown0dace614d8914401aebf37730dd9e8af1c0b08562ce09de743b72d893c3417f4
PDF
Publication pagecd7c761580cfce8c4524b1dc4d64d2a80f93f4f96b45d73e01deb40134c6f076
Manifestc4ab3d9b2324feb2e2e42a91cae97c0f23e67631433e33270491a6f4e2bbc47c

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
SignatureGEN5YB5KOR1/LsQcUSyJG44mvte2KNfDReotylNLtw616gRcaLT25HmsX3hk9jOnYETI96G9ml9rj+doWCJ7Dw==
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

2026-09-17T09:45:07.724268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089873
observed cd7c761580cfce8c4524b1dc4d64d2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.707656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089873/manifest.json
observed c4ab3d9b2324feb2e2e42a91cae97c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.689458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089873/publication.md
observed 0dace614d8914401aebf37730dd9e8af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.670920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089873/publication.txt
observed cef681c2749e17d3b7dfc137e8bc2ac0...
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.