OpenTechnical

OT-2026-000097525

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000097525) never changes.

Identity and time

Publication numberOT-2026-000097525 · never reused
Internal UUID01a0aea1-55b4-7b13-af47-c940a455cbcb · 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-2026-000097525
StatusPUBLIC

Content hashes

Canonical text06c5bc6bfd098f9315d66bbde0a5c06c085d6df19c643cea631eb355add0a972
Markdownd1ae9136e00f1142e69ea7d445839b7d4d4934c459a14496e0a65aac920f9b16
PDF
Publication page567af032232b61674d07ddd0ae77598952e8697ea7688a8089d82cfb3d47f45b
Manifesta78ff497b17ff9c3cae66d7069963ee603dbbd6594485db270da39ec668d170d

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
SignatureXmlqJ0OXWMhDEsT+nWZSSVCsWc0bQURXOb5u0iGlVjUbwD+S+MZt4Qm6c+wx6Ip9SNcDXI08c2tKfkcJ+2nnBg==
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

2026-09-17T09:33:23.958267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097525
observed 567af032232b61674d07ddd0ae775989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.939787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097525/manifest.json
observed a78ff497b17ff9c3cae66d7069963ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.922889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097525/publication.md
observed d1ae9136e00f1142e69ea7d445839b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.905521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097525/publication.txt
observed 06c5bc6bfd098f9315d66bbde0a5c06c...
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.