OpenTechnical

OT-2026-000044143

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000044143) never changes.

Identity and time

Publication numberOT-2026-000044143 · never reused
Internal UUID01a0ae7b-d67a-71aa-b136-5c881e77adba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044143
StatusPUBLIC

Content hashes

Canonical textc03a519634826824b1f609bbcad131dc72f89bab15f93722f3e7fe89be39b84f
Markdownbc61a085a6607369e9cebf3fb29e5e0ee1213399254ba427b6719ad28bb81283
PDF
Publication pagee903a28974b62088f2e51d76be3ed778623ec0251ca459e0b98b645f0f4a93de
Manifest6aa04d9524c577f2cf88f7d2dc41e32941394b82ca650865b708ebad15c58db9

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
SignatureQ29FAE8aDFjOyGu36QR/Stg9uxQxK3xuJs00sPnH5qqN9kizysW309XaNWu22qSjic5obGuWiQLwzWtpb9feDw==
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

2026-09-17T11:12:33.936730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044143
observed e903a28974b62088f2e51d76be3ed778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.915069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044143/manifest.json
observed 6aa04d9524c577f2cf88f7d2dc41e329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.894202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044143/publication.md
observed bc61a085a6607369e9cebf3fb29e5e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.872647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044143/publication.txt
observed c03a519634826824b1f609bbcad131dc...
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.