OpenTechnical

OT-2026-000083301

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000083301) never changes.

Identity and time

Publication numberOT-2026-000083301 · never reused
Internal UUID01a0ae97-c963-7b2a-b71a-a5017f85ee13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083301
StatusPUBLIC

Content hashes

Canonical text90ec14a4f176e68ce31974eb46a630af095b4052cadb9b330714e7174adee6a2
Markdowncc154973d6a74451e4fb038c86ab60856ba46893b19f2c6c31a8b7abe047b920
PDF
Publication page3f358580d7fc565de832507f97c8c14525dea5c11fa8c7495c7a5d4249896abc
Manifest4a6a65cedc9691253b4499426cae2f9181a3c9ffc7afe5ece3fcf2ff43fe31d9

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
Signature3qFACwB0bHhN6opbL0rH6v/wdugeKqSBiWr5CBsP6c1PfNTo2e9e4Hg7wpY9j7g83hEHmknOeEEy60WZ3qpJBQ==
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

2026-09-17T10:00:33.253034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301
observed 3f358580d7fc565de832507f97c8c145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.225419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301/manifest.json
observed 4a6a65cedc9691253b4499426cae2f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.879459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301/publication.md
observed cc154973d6a74451e4fb038c86ab6085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.863353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301/publication.txt
observed 90ec14a4f176e68ce31974eb46a630af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.642674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301
observed 3f358580d7fc565de832507f97c8c145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.627314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301/manifest.json
observed 4a6a65cedc9691253b4499426cae2f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.611766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301/publication.md
observed cc154973d6a74451e4fb038c86ab6085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.595175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083301/publication.txt
observed 90ec14a4f176e68ce31974eb46a630af...
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.