OpenTechnical

OT-2026-000005891

Publication integrity record

Vacuum cup gripper, four zone face, two outlet manifold, ejector fed, vented after set down

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-2026-000005891) never changes.

Identity and time

Publication numberOT-2026-000005891 · never reused
Internal UUID01a0a948-4b2e-71c1-a60e-d513b08b722c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:42.483189Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005891
StatusPUBLIC

Content hashes

Canonical texte968d3d7f39b25f07728c4b2bc4b3034eb4e4cac5bd6a4958c6eaa960d6793e3
Markdownb8d7e9d7ceb93bdeb7308a6667a2d73567d873f9c8a0732a07d1abbe1d3da784
PDF
Publication pagec7a9b673bc27e56af981b576afc1303988860f3392c0788dfa2f7203a28ed819
Manifest7f11c233cb91ade7ed3a31e41bd0d9abcaab44f648186a8ed07542b06082aa50

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
Signature4ScLiKMwzMx0rF8oXosy/1Ejdts4RqddRf/nvN4btgifVaK44Lkwg1PCTXwyS5FZrwNBFKI9zF3zfZMZoMEQDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:20.932884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005891
observed c7a9b673bc27e56af981b576afc13039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.916790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005891/manifest.json
observed 7f11c233cb91ade7ed3a31e41bd0d9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.900651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005891/publication.md
observed b8d7e9d7ceb93bdeb7308a6667a2d735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.883511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005891/publication.txt
observed e968d3d7f39b25f07728c4b2bc4b3034...
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.