OpenTechnical

OT-2026-000009113

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000009113) never changes.

Identity and time

Publication numberOT-2026-000009113 · never reused
Internal UUID01a0ae6b-31b8-7bec-8263-e9ee82b16269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009113
StatusPUBLIC

Content hashes

Canonical texta384c537764fbed64067ee36a151722172b88cd8b0c846669966ae566704f49b
Markdown6a39d4289a37549448824edc69d22f108da031dcf9846480da657c775831fcc5
PDF
Publication page0209c090cc05f753f225f6e365bf515349928e375b213b391b8239fe2e6134b6
Manifestaf449d089c38512fe3564c89cfe0b028132487aa55e84e1e3ec555da182735ed

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
SignatureN93LoEGQ5+QX3MRy5CTOCfE2SqHuDl9TRTt33kjFiS1kGM/IKevdRJZTkbj7GWES3yCwHf1leWCuXdGTWH8KDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:47.862894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009113
observed 0209c090cc05f753f225f6e365bf5153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.842653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009113/manifest.json
observed af449d089c38512fe3564c89cfe0b028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.822836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009113/publication.md
observed 6a39d4289a37549448824edc69d22f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.804620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009113/publication.txt
observed a384c537764fbed64067ee36a1517221...
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.