OpenTechnical

OT-2026-000083889

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained 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-2026-000083889) never changes.

Identity and time

Publication numberOT-2026-000083889 · never reused
Internal UUID01a0ae98-0418-76af-8d3d-8d697b0a970f · 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-2026-000083889
StatusPUBLIC

Content hashes

Canonical text7f93f7a2f5e63eef16f7b3239e2ebf0884f132b042f20d7a2b22387c46003982
Markdown438a7b8e1bd6df0d93b038777bce6440be141ff7a8f17a64b3da4187ef873094
PDF
Publication page449562d04d0b1b72d40a30cbccabe6079b092e5458bd1892ae3a8fd3d24dbe82
Manifest78139190da71b16c53971f98c92469c93456e4bed956a69b860d575efa8b6f15

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
Signature69lciSOcIoukhwtHs0hO9XpR/4etCN+U/TcXJ358cvO7CvleedvrbvtRFBg571ZFaiFz3gHwc8K53u5XaLqxCg==
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

2026-09-17T10:00:21.539304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889
observed 449562d04d0b1b72d40a30cbccabe607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:21.520196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889/manifest.json
observed 78139190da71b16c53971f98c92469c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:21.494568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889/publication.md
observed 438a7b8e1bd6df0d93b038777bce6440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:21.471004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889/publication.txt
observed 7f93f7a2f5e63eef16f7b3239e2ebf08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:33.333251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889
observed 449562d04d0b1b72d40a30cbccabe607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:33.317051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889/manifest.json
observed 78139190da71b16c53971f98c92469c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:33.301018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889/publication.md
observed 438a7b8e1bd6df0d93b038777bce6440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:33.284058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083889/publication.txt
observed 7f93f7a2f5e63eef16f7b3239e2ebf08...
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.