OpenTechnical

OT-2026-000083938

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000083938) never changes.

Identity and time

Publication numberOT-2026-000083938 · never reused
Internal UUID01a0ae98-0418-7d07-b443-e3e79aa8440f · 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-2026-000083938
StatusPUBLIC

Content hashes

Canonical text2927910415ce2bf4c2a75c591b5321b23b7018967615042176faee02e39462b2
Markdown4999f00c6bab6bc72ae29b9f7892240eb544a302e2f98101faf545cc660e194f
PDF
Publication pageac03f9cb9957a00526f91ded3b8d49e2ca97f3ae4ea62f74fe51af99ebd4e417
Manifest777b2eafcd5c5b2852f6335b7cd82a69f3f460aa696dd3e50dd3796c6e8044cf

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
Signature8mTCJI6OfgJ89b7evoRyIoq1HJ8CbRJ+yNBJXg77++T8hkLDruG6/E6NVtfcKFSbx315pez6MpC0jxZvDBo4Dw==
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

2026-09-17T10:00:26.240640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938
observed ac03f9cb9957a00526f91ded3b8d49e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.215061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938/manifest.json
observed 777b2eafcd5c5b2852f6335b7cd82a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.193686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938/publication.md
observed 4999f00c6bab6bc72ae29b9f7892240e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.171357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938/publication.txt
observed 2927910415ce2bf4c2a75c591b5321b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.044498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938
observed ac03f9cb9957a00526f91ded3b8d49e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.026795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938/manifest.json
observed 777b2eafcd5c5b2852f6335b7cd82a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.008601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938/publication.md
observed 4999f00c6bab6bc72ae29b9f7892240e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.988189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083938/publication.txt
observed 2927910415ce2bf4c2a75c591b5321b2...
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.