OpenTechnical

OT-2026-000086049

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000086049) never changes.

Identity and time

Publication numberOT-2026-000086049 · never reused
Internal UUID01a0ae99-e82b-781f-aebd-617c043a211d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086049
StatusPUBLIC

Content hashes

Canonical text74a9195656b4748a42a774726085297986294a68ac14664d68fd531b565926ba
Markdown8b47956e22ce2956fb47460f57b4125d6f3724de512e0ff5463341e77d2413ce
PDF
Publication page0fb51964efefee1f9c175dcb0d1aa663c933d1ac45a1cdf6604d748bcdca08db
Manifest1ab7d19f47e71d1c0b4dcca820e04fdde6e76ed976430805bf25de25e02d72a1

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
SignatureNEL3ZA3PqUMExcv3+vcF7j5qPwd1rHF9gIL1Y/FXXeH3SXohSufY3fxwYaaG0pCeBQB4wzU3JzHLViUA7X2RBg==
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

2026-09-17T09:53:02.626146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086049
observed 0fb51964efefee1f9c175dcb0d1aa663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.609625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086049/manifest.json
observed 1ab7d19f47e71d1c0b4dcca820e04fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.592569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086049/publication.md
observed 8b47956e22ce2956fb47460f57b4125d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.576855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086049/publication.txt
observed 74a9195656b4748a42a7747260852979...
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.