OpenTechnical

OT-2026-000087626

Publication integrity record

Foam pad 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-2026-000087626) never changes.

Identity and time

Publication numberOT-2026-000087626 · never reused
Internal UUID01a0ae9a-cd53-771f-bb1e-d8b360cffa85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087626
StatusPUBLIC

Content hashes

Canonical text6a97ac02d622400a9931e392bacc4806cab454b63c84755c7ed281e4fccdd96d
Markdown8f4516c78ded899f2d372521a76b823e314d4578590d30197ca5b6814029d8b7
PDF
Publication pageeaab086a465225cb5b110b1ee45635cd04d78837850f025740e5f108dcdf2fd2
Manifestf2b2640bbec71c90b2e5d8302ac099b6b0903fc4bcb83ab4e44520f3d42e1574

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
SignaturedRQqa7RSulRSe+Zy67JZVZkH6Vq8xcwOMNojFULFm0ZbUVrFdQGP3aKTHqVEzDZEc0hVE30SL659VGj1rQGYBQ==
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

2026-09-17T09:51:04.286786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087626
observed eaab086a465225cb5b110b1ee45635cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.270941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087626/manifest.json
observed f2b2640bbec71c90b2e5d8302ac099b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.255034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087626/publication.md
observed 8f4516c78ded899f2d372521a76b823e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.237914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087626/publication.txt
observed 6a97ac02d622400a9931e392bacc4806...
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.