OpenTechnical

OT-2026-000011201

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000011201) never changes.

Identity and time

Publication numberOT-2026-000011201 · never reused
Internal UUID01a0ae6c-540f-726d-9726-afb95936f668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011201
StatusPUBLIC

Content hashes

Canonical text0bec3c23e54ae2ad8bfc78efb4b0e892822ceacb533d6390770cde6bc888ff33
Markdown2ce1132e5c64a65cea7f34386163fa23e685999c5343bc2759fbb469c4f14048
PDF
Publication paged52447c3287bf2c9107c96360394f0ea7badca40d193cf2822b4e2ada89d1033
Manifest0cce4687021d7514da67b9319152546088f7ed05747fd06aca4923465c199871

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
SignatureRXIulqlS7HPjWYv1iARdvolJbfC/2L7kGJSf4w98av7i1sr0iOhhFHWcgKDJ6GDzd/0EhuVGfA8PUC+8mYkGBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:09.024766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011201
observed d52447c3287bf2c9107c96360394f0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:09.004768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011201/manifest.json
observed 0cce4687021d7514da67b93191525460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.985729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011201/publication.md
observed 2ce1132e5c64a65cea7f34386163fa23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.966595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011201/publication.txt
observed 0bec3c23e54ae2ad8bfc78efb4b0e892...
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.