OpenTechnical

OT-2026-000009971

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000009971) never changes.

Identity and time

Publication numberOT-2026-000009971 · never reused
Internal UUID01a0ae6b-cb79-79a2-a500-e43761448ad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009971
StatusPUBLIC

Content hashes

Canonical text762e44beed772b9d6e74aec2359219843afd0eb2b95d57d733ff5ed0e8ea2b7b
Markdownd6ee5894092d88944d2a259e841490f0a15b2dadedf0fca8c6b6402418f886bf
PDF
Publication page4222c9eb219682e7756664a46271d313f342e81c568086a05bd2b6adf04ce496
Manifest723119942087be0908614176ab699e1eef23a8c4f8afe9680b31292ad27577d5

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
SignaturexoSvaT8SDlCpEjDAZACpbHLHmsKKtrHUrUS7geUW5AxOVeNuRw09Mc93Te2CPYNo7JC11Vt1aQgn1bsL+zfFBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:00.694526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009971
observed 4222c9eb219682e7756664a46271d313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.676083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009971/manifest.json
observed 723119942087be0908614176ab699e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.656722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009971/publication.md
observed d6ee5894092d88944d2a259e841490f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.633503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009971/publication.txt
observed 762e44beed772b9d6e74aec235921984...
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.