OpenTechnical

OT-2026-000092506

Publication integrity record

Two 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-2026-000092506) never changes.

Identity and time

Publication numberOT-2026-000092506 · never reused
Internal UUID01a0ae9d-b5fd-70f6-a9f6-b25d1a6fbdc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092506
StatusPUBLIC

Content hashes

Canonical text12538bf30e9b6efa9cb8239039540fbd46012026bf3ded51c093925f850ba1af
Markdown69ec1a7d5705c3eb43c22ea8b8d1e83341ae248f9136ad9ce9bacbac09300feb
PDF
Publication page7baba0e515e5bbea7db1c73558f9978484fd1a32c0ba6ebf6a159c3eb33ec4e4
Manifest99599bab5f6d653971391a9666018ba6491eb3b507f56351927c8302d896e30d

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
Signaturerevyp2x6HClnC7202M5OQcO2Spa0muNYVZz8HHd9oTwAPlznQSEadgWuL/Ml2uEumtaDebLQqbrJ/TjYQpExBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:04.772803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092506
observed 7baba0e515e5bbea7db1c73558f99784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.756580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092506/manifest.json
observed 99599bab5f6d653971391a9666018ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.741227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092506/publication.md
observed 69ec1a7d5705c3eb43c22ea8b8d1e833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.725613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092506/publication.txt
observed 12538bf30e9b6efa9cb8239039540fbd...
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.