OpenTechnical

OT-2026-000098783

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold 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-2026-000098783) never changes.

Identity and time

Publication numberOT-2026-000098783 · never reused
Internal UUID01a0aea2-42af-78cd-ad00-5e489eb7219b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098783
StatusPUBLIC

Content hashes

Canonical text29422b6469a0d98f7e4d85247eca6f84f53cb6a23d07c88502686afa8e00cbe3
Markdowneb6bd9094ad4cf24c5cf819eb0371e7715648c0a5888a36dc67e06cd67eb4a08
PDF
Publication page93429273bdccebd49dcb0407fc6ca529b1ea227e4fb558030d084d9e4ab39d54
Manifest6a9e8ac3f4e9f6cfbc8d45961cfcba52b5d27e66240fc4b713aaa4005dc802d0

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
SignatureZS/JlYPqaro5h5UpaE/ppsJERZMIxZVv9qrnqsPAbPkTiORjqZxerlh9VBO4Lg95SnKachCAPRrOwsN+SFLEBA==
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

2026-09-17T09:31:06.477264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098783
observed 93429273bdccebd49dcb0407fc6ca529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.460618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098783/manifest.json
observed 6a9e8ac3f4e9f6cfbc8d45961cfcba52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.443035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098783/publication.md
observed eb6bd9094ad4cf24c5cf819eb0371e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.425778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098783/publication.txt
observed 29422b6469a0d98f7e4d85247eca6f84...
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.