OpenTechnical

OT-2026-000069444

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000069444) never changes.

Identity and time

Publication numberOT-2026-000069444 · never reused
Internal UUID01a0ae90-b52a-72cf-ac71-b530aa635af7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069444
StatusPUBLIC

Content hashes

Canonical texte3b064b9db71d7a8a2e8fb057511c9505caf5e863f1516600585f445bd6f2254
Markdown47ef82b51f051f66c20d033aa5b78cbaaa1c84f05857c4e726374ac75540bdfd
PDF
Publication page0492870f03dec96b457f69e7b5aef9128861066f466b33fbe45721d59f419b58
Manifeste06ee2d052d270ccb6ac127f92180a0771e13753189348a439e1c49de4be9bfd

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
Signature90EFaFgdq8/4ttiQ3jlRdx2Erag9MKIltEj/0Qa2suBvqm14a56+Q22uxCtAH49nHnlc+L5PxAIBmrD8U2zeDg==
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

2026-09-17T10:30:30.828858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444
observed 0492870f03dec96b457f69e7b5aef912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.811476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444/manifest.json
observed e06ee2d052d270ccb6ac127f92180a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.794623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444/publication.md
observed 47ef82b51f051f66c20d033aa5b78cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.776570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444/publication.txt
observed e3b064b9db71d7a8a2e8fb057511c950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.751082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444
observed 0492870f03dec96b457f69e7b5aef912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.735494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444/manifest.json
observed e06ee2d052d270ccb6ac127f92180a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.719992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444/publication.md
observed 47ef82b51f051f66c20d033aa5b78cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.703134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069444/publication.txt
observed e3b064b9db71d7a8a2e8fb057511c950...
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.