OpenTechnical

OT-2026-000083109

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083109) never changes.

Identity and time

Publication numberOT-2026-000083109 · never reused
Internal UUID01a0ae97-c962-79ce-9771-ef24b19c5887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083109
StatusPUBLIC

Content hashes

Canonical textf8d9dc9742e1186046d421de39384ae60fbbf44a1a3e0a51e4bccd454e57aa78
Markdowne8565d849ecfe4effb4b79ecc70c403762524e6e19b6d869ed3136da0a7eea18
PDF
Publication pagefe9e95ce0cd2ec0b823413488cbf24e1aebc04021aab1c230d54aabe7049385e
Manifest95aac11a273fcd27963d0332abf4537b2d9ff860d73efc023b6040a2876655da

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
SignatureUEeTKgF/UBo4Y526KIz6U3NVTad+Nt7SrwJeich74zn1b3O8cjpQFRw8rSDXqJMzFNRu5UVF3rQ0rgHthNFtAw==
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

2026-09-17T09:00:40.876750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083109
observed fe9e95ce0cd2ec0b823413488cbf24e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:40.858897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083109/manifest.json
observed 95aac11a273fcd27963d0332abf4537b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:40.836309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083109/publication.md
observed e8565d849ecfe4effb4b79ecc70c4037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:40.816164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083109/publication.txt
observed f8d9dc9742e1186046d421de39384ae6...
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.