OpenTechnical

OT-2026-000092578

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000092578) never changes.

Identity and time

Publication numberOT-2026-000092578 · never reused
Internal UUID01a0ae9d-b5fe-73fe-9596-18b99a232f00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092578
StatusPUBLIC

Content hashes

Canonical texte032149f0b7ac2254dc46cc6a60b5f773e94a914c9e9cbe91b39bc17da82b292
Markdown737db217da9f2b582be9d523a5afaca16d4bd2a11679275ead2973bdff59b541
PDF
Publication pagec188dbc1ea1344f1cd1d1f9c661690436e1864fff8a06310e66d9daec41e90b3
Manifestef572c6bdb4497019f17f5bcc73607d28a0404cab0de570dbf0e78256fbbe7ff

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
SignaturePxtKlfqrdcyKwgH5T9nUun6ngr6AIiG4VV38iw3AEbWW2FDQ7Es9elp4fh8tKBD174OdXGxqdDfBlXO0B9IfDg==
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

2026-09-17T09:41:10.426988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092578
observed c188dbc1ea1344f1cd1d1f9c66169043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.407509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092578/manifest.json
observed ef572c6bdb4497019f17f5bcc73607d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.389959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092578/publication.md
observed 737db217da9f2b582be9d523a5afaca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.369594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092578/publication.txt
observed e032149f0b7ac2254dc46cc6a60b5f77...
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.