OpenTechnical

OT-2026-000097475

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000097475) never changes.

Identity and time

Publication numberOT-2026-000097475 · never reused
Internal UUID01a0aea1-55b3-7e55-b069-17b82fcf3ad2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097475
StatusPUBLIC

Content hashes

Canonical text5be335f9c5d59b0bb8fd0cc308b9de4732fabd4da741f6d176a1b327bd7d087c
Markdown9dc9df208645b1001812a361ffa10551306891b7f3dbf9c010417d0e6a0d223e
PDF
Publication page3d454df931562b504ce289d7db0a7e8779e34446c2aecd16ead5c2e878543e3f
Manifeste35d1bca3dfb904c1df87e7b822b0fd21fd08802246f7d89c5b9060c72b00701

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
Signature9E1F6NVv97jXj0TESpEGkhdFxIrFsx6LLusJqt/19z1wly840fDk2ssca/1UiBQwyyFzCMBZ1xx8MB+cNCSPDQ==
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

2026-09-17T09:33:20.662029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097475
observed 3d454df931562b504ce289d7db0a7e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.643391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097475/manifest.json
observed e35d1bca3dfb904c1df87e7b822b0fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.626642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097475/publication.md
observed 9dc9df208645b1001812a361ffa10551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.608553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097475/publication.txt
observed 5be335f9c5d59b0bb8fd0cc308b9de47...
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.