OpenTechnical

OT-2026-000012083

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000012083) never changes.

Identity and time

Publication numberOT-2026-000012083 · never reused
Internal UUID01a0ae6d-1943-7d36-8530-791a565629d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012083
StatusPUBLIC

Content hashes

Canonical texte45b37fb2affb7634b2a06df8a5d1103622fb2572ad5894d2845e5d5e8a99066
Markdownb48cc68a2d651035910c8f860fe8d4fbc84a503a4480f3566953de119b7c2e1e
PDF
Publication pageca2e3496d1dc339c560afa71fa5287ba85aefdc48a95750b8f9c000fd5da3e6c
Manifesta8777fa6427aa87e43a426665b54fb383f36592f7a610571366d3c63d715bb23

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
SignaturepfOZJwl6kSF9i3qCoaTXJEmCnobMEcZgoBO/zBM4LF7OeqACZVizRErIYNcLMJhYhbdwgiVnKUFJTo2cVf9EBg==
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

2026-09-17T12:12:58.359932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012083
observed ca2e3496d1dc339c560afa71fa5287ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.341501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012083/manifest.json
observed a8777fa6427aa87e43a426665b54fb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.323206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012083/publication.md
observed b48cc68a2d651035910c8f860fe8d4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.306538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012083/publication.txt
observed e45b37fb2affb7634b2a06df8a5d1103...
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.