OpenTechnical

OT-2026-000071813

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000071813) never changes.

Identity and time

Publication numberOT-2026-000071813 · never reused
Internal UUID01a0ae92-1e92-7612-b8eb-1b4eca28f0b1 · 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-2026-000071813
StatusPUBLIC

Content hashes

Canonical textb04086a12ad36a3b4a68f45b7d4ff5711875ce79dd52f7d7a1c2ef1e28999f75
Markdown329ec0fc8db007fe9bded804f22a82d1ef100451e5420bb703da51c54ed887e3
PDF
Publication pageae8b4b663358b335d811abc68b44de4163df4d6cbf15319330127388245ba0aa
Manifest859ea40bfaf1d602c924578a0b53cbe3de982615ed54cf5f68c9880ac5125ecf

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
SignatureCNu18kTDa6P+Tde9uXUXkCl3ewvInZ9IVMOQnzSKGSH9SI/iFblIMoS1LZyitLZX9eut8disKOIsg7GrELsLDA==
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

2026-09-17T10:23:59.181272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071813
observed ae8b4b663358b335d811abc68b44de41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:59.163680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071813/manifest.json
observed 859ea40bfaf1d602c924578a0b53cbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:59.146430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071813/publication.md
observed 329ec0fc8db007fe9bded804f22a82d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:59.129408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071813/publication.txt
observed b04086a12ad36a3b4a68f45b7d4ff571...
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.