OpenTechnical

OT-2026-000038806

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038806) never changes.

Identity and time

Publication numberOT-2026-000038806 · never reused
Internal UUID01a0ae78-769f-7a54-9e2a-cf5067aeda14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038806
StatusPUBLIC

Content hashes

Canonical text6a70093012fe7d2b330d20fc44ca067e13e1b1c7edd5fdff0d011c93b8988442
Markdownfc155fd8afb7e896ee572c8878ac2df8ebff190ae53a51d926762e53ee3a5d7b
PDF
Publication page82ad26cd2922e7d3e0f872522106ab4830d651495800ac756d3fb2c635c9182e
Manifest6c72f3d046043d27c139cd75cc76b517d71fb380a0797b6043c19d35d5144db6

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
SignaturedodOpp6bsGGTysY5NMkX3VbVsAFr5AgazzzHJZ2DJ0x4wn7HdZsdovQzkr9ctrt+HMj7Sps0eEFt9ltwhDulAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:21.694732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038806
observed 82ad26cd2922e7d3e0f872522106ab48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.677685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038806/manifest.json
observed 6c72f3d046043d27c139cd75cc76b517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.659100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038806/publication.md
observed fc155fd8afb7e896ee572c8878ac2df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.641273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038806/publication.txt
observed 6a70093012fe7d2b330d20fc44ca067e...
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.