OpenTechnical

OT-2026-000076001

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000076001) never changes.

Identity and time

Publication numberOT-2026-000076001 · never reused
Internal UUID01a0ae94-2a00-7bcd-ac12-37823e8f89b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076001
StatusPUBLIC

Content hashes

Canonical textc59637c6ec88994cfb9d91b4ab8f21e0f438b36f876b26c268e1954432b06903
Markdown58d8be8ed71293f57b8c7b3aae33212628dbbcbac23028da4f1d1cf2dc47e305
PDF
Publication page1f3d7d213742d2502bdf07df745cece42acbb8310c487034bc54bea1f49bd150
Manifesta32a6e25dceea5012029a9b89c64fb1ed09a390eaa4790238ddd678f6b23c10f

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
SignatureZg0M26uBZ18oj8Jf0Vke47thK/dLTKOnqr74rrwR1v0varTwkPTggRZB5TnAyeGWxYqRICl5FH6F8b368bzLCQ==
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

2026-09-17T10:20:15.149627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001
observed 1f3d7d213742d2502bdf07df745cece4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.128908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001/manifest.json
observed a32a6e25dceea5012029a9b89c64fb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.109128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001/publication.md
observed 58d8be8ed71293f57b8c7b3aae332126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.088519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001/publication.txt
observed c59637c6ec88994cfb9d91b4ab8f21e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.487848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001
observed 1f3d7d213742d2502bdf07df745cece4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.471297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001/manifest.json
observed a32a6e25dceea5012029a9b89c64fb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.452026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001/publication.md
observed 58d8be8ed71293f57b8c7b3aae332126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.310691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076001/publication.txt
observed c59637c6ec88994cfb9d91b4ab8f21e0...
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.