OpenTechnical

OT-2026-000097540

Publication integrity record

Two 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-2026-000097540) never changes.

Identity and time

Publication numberOT-2026-000097540 · never reused
Internal UUID01a0aea1-55b4-7c41-b818-89a5c34203e5 · 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-2026-000097540
StatusPUBLIC

Content hashes

Canonical text718500e8eb76465aa8e6deb3a38b1d63a9ed7ae0af18853be799f9bde81c1749
Markdown0f07dd6fcbc618b9d19410a0a05003ca426328fb87a0ab8b5f333702c769bff0
PDF
Publication page938bf0b2fd580f27a6d19d715f92e11a0a849686bee20f0d0a9d783e71768007
Manifest42e14a93cf7c28782f70bbbc39ba68fe388686a2fd08a7bc1baec84725b99a97

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
SignatureLQd5pbxPyMGJlQZN+d5QmAMM+f5gTZ3mfVNppfBp5E+iGqbAcIpGCw/6DSew1edIY9t/WzNLb6awpJD4ZM2zAw==
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

2026-09-17T09:33:25.115022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097540
observed 938bf0b2fd580f27a6d19d715f92e11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.099061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097540/manifest.json
observed 42e14a93cf7c28782f70bbbc39ba68fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.080593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097540/publication.md
observed 0f07dd6fcbc618b9d19410a0a05003ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.062423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097540/publication.txt
observed 718500e8eb76465aa8e6deb3a38b1d63...
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.