OpenTechnical

OT-2026-000081030

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000081030) never changes.

Identity and time

Publication numberOT-2026-000081030 · never reused
Internal UUID01a0ae96-b976-7a22-b8bf-e211458c85f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081030
StatusPUBLIC

Content hashes

Canonical text792d668f08da14466fe10ea9dc5288f056535dae7a9d133b1cc99efc967c2806
Markdowndd431873e98f4813f6f4129090d566108dbe98fc8af7b6bb0d3fae02d8fe978a
PDF
Publication pageadea186f1583ff53d7143878fbba36e4d365463a1792f68e94c85661fa954a18
Manifest223010478ca5f0eef4e8007ab7975b0a0b35d64ccd3d902dc5fa5ca5fcd37701

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
SignaturewjpVzg/vHTPZHV9Bzup53xKK89n0UTPLokeher1TqYK/IjsowwRBIU7aePRTJjNAXrmX/Jm8YyRmR8onb3PuBw==
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

2026-09-17T10:02:19.214603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081030
observed adea186f1583ff53d7143878fbba36e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.196553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081030/manifest.json
observed 223010478ca5f0eef4e8007ab7975b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.178766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081030/publication.md
observed dd431873e98f4813f6f4129090d56610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.161381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081030/publication.txt
observed 792d668f08da14466fe10ea9dc5288f0...
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.