OpenTechnical

OT-2026-000097311

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000097311) never changes.

Identity and time

Publication numberOT-2026-000097311 · never reused
Internal UUID01a0aea1-01cb-77f4-a5d5-696aa4289917 · 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-2026-000097311
StatusPUBLIC

Content hashes

Canonical textffaa812168d731a3c3f59627c48c9fef2d72f2ca344ad2e92056383b539746f1
Markdownd861291674949f89b85530db75772e488ae62654133027157f1c23fa790a9caa
PDF
Publication page8e26a274a3fcc6afa177a0b48227def22077216ce7d66bff82170430130e9e73
Manifestb754ee08c4a9960df83dc61a55d32fffef76fd6fd2b0982fa6f7f04fcc62c734

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
SignatureYh/IDozQREq+o/Xtc265LfqaucI6gs6LYZQpdJJrrmhx5DSlflEeIOD0C2AEteA6iDVA7+O1xWWNBCZ1sOshDw==
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

2026-09-17T09:10:02.910508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097311
observed 8e26a274a3fcc6afa177a0b48227def2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:02.892711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097311/manifest.json
observed b754ee08c4a9960df83dc61a55d32fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:02.872079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097311/publication.md
observed d861291674949f89b85530db75772e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:02.852315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097311/publication.txt
observed ffaa812168d731a3c3f59627c48c9fef...
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.