OpenTechnical

OT-2026-000073471

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000073471) never changes.

Identity and time

Publication numberOT-2026-000073471 · never reused
Internal UUID01a0ae92-efb8-7dd0-bcbc-4c4829a0c229 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073471
StatusPUBLIC

Content hashes

Canonical text9f24c11da085b7f8d9edd05c134b3c1931405114e665487530aba5df1f0c6e34
Markdown8a39f9de9cb6c42cff4fd01dbd541f45cb222bbe1f3c92fbcbe77859f55549b7
PDF
Publication pagef3c8fd9c97b7d76df497cc8ad62771c02c38de89e83b1f2b1c14bd8080a34cbf
Manifest83a56505cbaf86861c5c9dfa38ccd4c956cf2dbb7e6755235b664908403bacf2

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
SignatureiNxjiM3gU7DhU5ITOkKYjfMEhys4IEvIhwh66PZ/Zg8dFUO6p+5Ht4OhMJ9c4JinZLNrv7zdTIPnsiZmBbcJBg==
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

2026-09-17T10:21:38.274966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073471
observed f3c8fd9c97b7d76df497cc8ad62771c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.257513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073471/manifest.json
observed 83a56505cbaf86861c5c9dfa38ccd4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.239087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073471/publication.md
observed 8a39f9de9cb6c42cff4fd01dbd541f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.220493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073471/publication.txt
observed 9f24c11da085b7f8d9edd05c134b3c19...
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.