OpenTechnical

OT-2026-000097102

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000097102) never changes.

Identity and time

Publication numberOT-2026-000097102 · never reused
Internal UUID01a0aea1-01c9-7d11-bc2e-92e3ffc2a8dd · 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-2026-000097102
StatusPUBLIC

Content hashes

Canonical text32e4027401ad54a3893f7af1c35b91075d81f183bb92b5b4bbaeab4cbe7b7ae4
Markdownc297273f341c1599763ac57ccf12a11962e9d9f8576fb9318f5bcc95af5281cd
PDF
Publication page478e2354db721c04a86a0dc9c221f4fcf47e4cbac46232bd2e149713e70437cd
Manifestffef5a228788d2489ab0aa3efe7c939aee1b99a0b507c66861fb3cb735227345

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
SignaturepvzDkvijxVMI++gYBcupOpVsqHr7Y4MrX4HXyVbtPjHEhDZnPmqPBoWb6FRNNM6qiFPEuTCRa2U1Nlh0e0+ZDw==
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

2026-09-17T09:10:44.113022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097102
observed 478e2354db721c04a86a0dc9c221f4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.093873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097102/manifest.json
observed ffef5a228788d2489ab0aa3efe7c939a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:43.952572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097102/publication.md
observed c297273f341c1599763ac57ccf12a119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:43.934018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097102/publication.txt
observed 32e4027401ad54a3893f7af1c35b9107...
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.