OpenTechnical

OT-2026-000097721

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000097721) never changes.

Identity and time

Publication numberOT-2026-000097721 · never reused
Internal UUID01a0aea1-92f5-7a75-91c9-82761db2260e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097721
StatusPUBLIC

Content hashes

Canonical textd00ab062c18a4eb43bf41ab57de496fd5927d0579572fb6ff041efdcd478b3dd
Markdown0df02ab40517cc0e360562da44ef0c4631cc3aaa9d200bfdfb68f7aa6f6d32df
PDF
Publication page7e815b09030e2b626bbcaa380e3d30b206a11f9a702b63af6930ff16d2d6e729
Manifest7c447ea607b1efeda42fda01b0caf27fe03dcf597523e5a70307e5bb37ac3367

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
SignatureX0OrKT/7GAD11u0Q2xEtm7sSRbtH5VaY9saFtgrFZT55O9O4R3C6epkiAJhNu+JGl6hVLMs5MIZ6hV/LCt/iCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:45.123292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097721
observed 7e815b09030e2b626bbcaa380e3d30b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.105021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097721/manifest.json
observed 7c447ea607b1efeda42fda01b0caf27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.087044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097721/publication.md
observed 0df02ab40517cc0e360562da44ef0c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.068242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097721/publication.txt
observed d00ab062c18a4eb43bf41ab57de496fd...
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.