OpenTechnical

OT-2026-000071469

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000071469) never changes.

Identity and time

Publication numberOT-2026-000071469 · never reused
Internal UUID01a0ae91-e0ed-7cfc-bf59-26b428bbd367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071469
StatusPUBLIC

Content hashes

Canonical textcc505ce130fb343696e1e85943f783c8eb8e384ee25b17ce48a1dfa54437775a
Markdown58a97cb03f6f5125c7b767fa6b47c28bd64aeb03163d9a589baae407d56b6885
PDF
Publication pageff185e3ebe77974d7704a6034fee7f778c8bd007a96a4168940ea918e596bd05
Manifesta003d6ceee0248a303d9901d8d75c78c5199c931cad86ab4ad6a724e81823745

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
SignatureE3Zbq1EbAUPzEamCSJxENG471kKHpERR97kXWJLtnMxzRRTtmY1n/UbeAGPBjvoElgxeuqsaZ9QLjhLghY4sBA==
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

2026-09-17T10:25:06.628619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071469
observed ff185e3ebe77974d7704a6034fee7f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.610710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071469/manifest.json
observed a003d6ceee0248a303d9901d8d75c78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.593783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071469/publication.md
observed 58a97cb03f6f5125c7b767fa6b47c28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.574631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071469/publication.txt
observed cc505ce130fb343696e1e85943f783c8...
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.