OpenTechnical

OT-2026-000079817

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000079817) never changes.

Identity and time

Publication numberOT-2026-000079817 · never reused
Internal UUID01a0ae96-4376-72ca-8569-043ec1c1f61e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079817
StatusPUBLIC

Content hashes

Canonical textedeb857fd03111ad739512dda2f3671fb922028f08562b9d66b469ba60cb9978
Markdown5389a79778c6526711971917a5b78927ace38363a93aad9cd9878ce919ff4a0a
PDF
Publication page09663abc00a211367f9795cd0e20d378a0ccb6fe014995c20013c86692b024a1
Manifest50d5400e312188891cafbfa1386a411fe44ae663e091b3ea8022e28875db32a1

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
SignaturefCmHzkWmCno7p71XkTzaDGIvyoG5PJPZc7Pi8AkUZZXAyTUZWJIAKhOSJctfBJDv7WflVOPyMRvFNliI7DQxAw==
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

2026-09-17T10:03:41.859903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079817
observed 09663abc00a211367f9795cd0e20d378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.841325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079817/manifest.json
observed 50d5400e312188891cafbfa1386a411f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.821931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079817/publication.md
observed 5389a79778c6526711971917a5b78927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.802072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079817/publication.txt
observed edeb857fd03111ad739512dda2f3671f...
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.