OpenTechnical

OT-2026-000076811

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000076811) never changes.

Identity and time

Publication numberOT-2026-000076811 · never reused
Internal UUID01a0ae94-b070-7eed-8e12-2e3aa2b63bb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076811
StatusPUBLIC

Content hashes

Canonical text6864f415e89909754a9601a88377e5b2587d6104699168622f811ab362de885b
Markdownae2b850bb7c2cf1364def97731b7fa67bef543db8dba7d229e830d2fb475bee8
PDF
Publication page1aaa0ddb482728032950b750ecedc92329c7565ad3c547d5b65327e843bc638b
Manifest8965c6e64a26c223f4f98e89c2318840a8211c797e42ff841a9c96946ef48f87

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
Signaturezk9cOx5oX8qe+KQlCvWu1GDc+pwkfHGoriri28HRNK/y9l2v2sE0JUd9+cWpgrqz8wInS72oSuvLfVcGhEE6Ag==
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

2026-09-17T10:09:40.824417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076811
observed 1aaa0ddb482728032950b750ecedc923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.808676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076811/manifest.json
observed 8965c6e64a26c223f4f98e89c2318840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.788866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076811/publication.md
observed ae2b850bb7c2cf1364def97731b7fa67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.769376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076811/publication.txt
observed 6864f415e89909754a9601a88377e5b2...
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.