OpenTechnical

OT-2026-000076665

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076665) never changes.

Identity and time

Publication numberOT-2026-000076665 · never reused
Internal UUID01a0ae94-b06f-7768-a189-9d995ed556b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076665
StatusPUBLIC

Content hashes

Canonical textb84c4dfa95564728dc978dac7e6006f366cf133026eea81a0794aae63ca5a8af
Markdownd713d14a35df97c6ac2e1641ad3d8776fad93fee03cd6d273b82c46a74fc31e5
PDF
Publication page478f89d32b8c012eaa9c9b10eea90041c2e9f29be3b8abead611137382d0b069
Manifest32c1aa79b295738c8c966bf08a85e5c949b3d5723dfa4da9c28d8378f2e5780f

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
Signature+aGYjHibz43Qz9ipO+yMBeyW+55Snzh61ZTDHhyqldboG3Z83rkoHggpLbVypd5LDin6AesD3UQ8R2UGCwNjAQ==
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

2026-09-17T10:09:24.688330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076665
observed 478f89d32b8c012eaa9c9b10eea90041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.669078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076665/manifest.json
observed 32c1aa79b295738c8c966bf08a85e5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.649679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076665/publication.md
observed d713d14a35df97c6ac2e1641ad3d8776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.628633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076665/publication.txt
observed b84c4dfa95564728dc978dac7e6006f3...
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.