OpenTechnical

OT-2026-000083978

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000083978) never changes.

Identity and time

Publication numberOT-2026-000083978 · never reused
Internal UUID01a0ae98-0419-7dfa-a870-1945a20fb0b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083978
StatusPUBLIC

Content hashes

Canonical texte8dbc812d37b0c5af9ba9c8faf1c1760a0120bd517c0810a5757e513b0147fcd
Markdowna665d0efcd5475203eb89da9bb0476365397c9a879f7d7e0d1e753d2630cf68a
PDF
Publication page90c3f24a6e95d996be1346b765d2e56601523003fb2647ab19c1d72bc9c13754
Manifest0b161a09febd9dad5aaf2402fe03f8ce0174a72c1c39161900743884afc589ca

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
SignaturejvyArgU3xZGXB1tbq+2KevXzVyWqcjsYLK4psQCoND8OHfBVVJlNsMl73afaawlodj1ASA6BmccuN6XRgzjrCw==
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

2026-09-17T10:00:30.522622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978
observed 90c3f24a6e95d996be1346b765d2e566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.501227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978/manifest.json
observed 0b161a09febd9dad5aaf2402fe03f8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.480124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978/publication.md
observed a665d0efcd5475203eb89da9bb047636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.459741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978/publication.txt
observed e8dbc812d37b0c5af9ba9c8faf1c1760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.914231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978
observed 90c3f24a6e95d996be1346b765d2e566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.898825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978/manifest.json
observed 0b161a09febd9dad5aaf2402fe03f8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.882825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978/publication.md
observed a665d0efcd5475203eb89da9bb047636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.866522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083978/publication.txt
observed e8dbc812d37b0c5af9ba9c8faf1c1760...
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.