OpenTechnical

OT-2026-000071649

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071649) never changes.

Identity and time

Publication numberOT-2026-000071649 · never reused
Internal UUID01a0ae92-1e91-70bc-8b3e-caccd846b91c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071649
StatusPUBLIC

Content hashes

Canonical text255cbc61cfb95621274d64a99ac05e175761f9e43928a5a26f1b2c6b0139aab9
Markdown665317ce820885b34e32769ba87a0ac16728ee21dc7916428fd15f85757beb0b
PDF
Publication pagedd567f1a5710e6515ebf020d84daef094ad71f026acfad72663ac62578b160a4
Manifest63de33dfa4910db4366180876d33d2e4b09d11b7570cf249dd6385c595cc5b85

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
SignatureUThq7hl0g8MonIL63Tz+OM6v6IFVteFRmpEsq7Z5k5gmV2vRKN978w9MlyNSTDoMyJGB+nbqjId0kw/74RANDQ==
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

2026-09-17T10:23:40.924879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071649
observed dd567f1a5710e6515ebf020d84daef09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.907758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071649/manifest.json
observed 63de33dfa4910db4366180876d33d2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.889904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071649/publication.md
observed 665317ce820885b34e32769ba87a0ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.870977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071649/publication.txt
observed 255cbc61cfb95621274d64a99ac05e17...
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.