OpenTechnical

OT-2026-000097141

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000097141) never changes.

Identity and time

Publication numberOT-2026-000097141 · never reused
Internal UUID01a0aea1-01c9-7c22-88b0-c72c9d09b5cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097141
StatusPUBLIC

Content hashes

Canonical texte4f9acb75a815c1df0c84f22c55a098a000d99e962986e4800581795306af809
Markdowna706781fc10a8dccd75997bd63e865dc35d18ee058fd22b3c42bcc29747eadf0
PDF
Publication pageeb68ef29e37d0b76dd18f2337f978f48559fbcc5614e1112aaa1126aa9570418
Manifest34b86d88862027f7d363c6fa492083ca97224acacc535456a2c1ea36d805236b

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
Signature7cirn2qIhH0laBsBAkq4Ugkeg+YL1G70j9xbMmZrmnhPOug1YI5sgQ/9SWBaY2BSbHxAMahNdomzyo4nKOG9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:56.100254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097141
observed eb68ef29e37d0b76dd18f2337f978f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.960845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097141/manifest.json
observed 34b86d88862027f7d363c6fa492083ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.942835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097141/publication.md
observed a706781fc10a8dccd75997bd63e865dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.925318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097141/publication.txt
observed e4f9acb75a815c1df0c84f22c55a098a...
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.