OpenTechnical

OT-2026-000084250

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000084250) never changes.

Identity and time

Publication numberOT-2026-000084250 · never reused
Internal UUID01a0ae98-5b60-7309-96b0-5a3369d16b54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084250
StatusPUBLIC

Content hashes

Canonical text0bb348d117bb03163db243ade27a56e09030edcc8fac8ce613a77d394b229ca9
Markdown4ffe7755d4c86ed0dc1bd564a631c073f21be73f5dfa8ef7d0ec14ac2f292780
PDF
Publication pagef525e6eaf20a657d5fc03f1732039391e3dd4682c98b1caf3c34dccd801b721d
Manifestcf5db7a1f54b5c3f105f1bf888284ee1a605cb9c54069e45822a70d5c21c4f3a

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
SignaturedLgUKJ2dQ/y1rfIte2/dMZQA6Q4oWpJh9uuONENr0tZW4TKdfU8R46+Qf7YaAdaP2RQpjF0x/FH1ONeqn023BA==
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

2026-09-17T09:56:09.478651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084250
observed f525e6eaf20a657d5fc03f1732039391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.458968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084250/manifest.json
observed cf5db7a1f54b5c3f105f1bf888284ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.439062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084250/publication.md
observed 4ffe7755d4c86ed0dc1bd564a631c073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.418841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084250/publication.txt
observed 0bb348d117bb03163db243ade27a56e0...
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.