OpenTechnical

OT-2026-000097188

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000097188) never changes.

Identity and time

Publication numberOT-2026-000097188 · never reused
Internal UUID01a0aea1-01ca-7ba0-90d4-cbad4fbb997e · 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-2026-000097188
StatusPUBLIC

Content hashes

Canonical text52fea508ad6b9a1276bda4631c999258e09f8c869a78fcd790dbfd7532a87328
Markdowna4297e9b2fc2426e51eb61a2d7f180035e18ee9bc31933ccc62c9f2d84fae301
PDF
Publication pagec698a18d74ce9b752fef7f64825d513778f113986a2b795eed6c8f09d6c2a001
Manifestfab9428b15f70d4d530f8da7ea6178eff5521a968b9c9c914290317b92f622a2

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
Signature6CVlLGD0f4WN6Qmv5qAoRGs78O5ktsifdYyIreg0gwOF+Hom4B6T9P+SVAr2walcXjXo1AJpm/ikOSeztrR8Cw==
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

2026-09-17T09:11:04.110970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097188
observed c698a18d74ce9b752fef7f64825d5137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.088402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097188/manifest.json
observed fab9428b15f70d4d530f8da7ea6178ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:03.943944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097188/publication.md
observed a4297e9b2fc2426e51eb61a2d7f18003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:03.926077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097188/publication.txt
observed 52fea508ad6b9a1276bda4631c999258...
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.