OpenTechnical

OT-2026-000100227

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000100227) never changes.

Identity and time

Publication numberOT-2026-000100227 · never reused
Internal UUID01a0aea3-3053-7cde-9144-ccee1df13c3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100227
StatusPUBLIC

Content hashes

Canonical text000724621e92ddb78a0ac3a749c0bfc71180657441f025e33c8a5dbf7175585b
Markdown6c978e2ef800e4e96e3e07259f5eb45ac3a37afdde78bf50fb954eafe51c79b0
PDF
Publication page759dc28581ef2fc16fd056db4e5c28f7e737ea27e7848d32aa035cd8c8ec4fa9
Manifest2ef03fe8b9d0ac9d0c13e23bb19d96b02d72f5323ab9003f1df14cc1878067e9

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
Signature5obeCUJ1r69G20Tl7f5CCmTYxDV2LAqmA9VPxpuGC6vEOKDOGEAHYpIn5vfz7xgqPwmOWUkfbArjlFO84iv6Cg==
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

2026-09-17T09:28:01.232382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100227
observed 759dc28581ef2fc16fd056db4e5c28f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.214511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100227/manifest.json
observed 2ef03fe8b9d0ac9d0c13e23bb19d96b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.194924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100227/publication.md
observed 6c978e2ef800e4e96e3e07259f5eb45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.171926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100227/publication.txt
observed 000724621e92ddb78a0ac3a749c0bfc7...
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.