OpenTechnical

OT-2026-000086792

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000086792) never changes.

Identity and time

Publication numberOT-2026-000086792 · never reused
Internal UUID01a0ae9a-80a4-7973-87de-86638d9c52d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086792
StatusPUBLIC

Content hashes

Canonical text5daca18575749098b17e2a403e459d7b7644320047c440ecd3688a578a10ddcd
Markdown402c364a3c2783792d2e84437ae3e6fc855ef11dd106fcd2bf5f22bc0ca9ef5e
PDF
Publication pageb9e1f0f896404b1b5991cd65a9589f31377e3a11265cc2be2f41298a70ec1ef9
Manifest6b5119e57a8082e0413816fdb5bcf99930d60ca1d68a8a307c2fbe8ae75d51b0

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
Signaturea8jY4Oc4ZIap1IdgfgAItpm6gOvy862DXJP2gm5yM1+xjG1rUSKNRCWRarleA+RXqHJtvh2+sDBY7Urg5hJBCA==
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

2026-09-17T09:51:36.182396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086792
observed b9e1f0f896404b1b5991cd65a9589f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.166579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086792/manifest.json
observed 6b5119e57a8082e0413816fdb5bcf999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.150133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086792/publication.md
observed 402c364a3c2783792d2e84437ae3e6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.132432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086792/publication.txt
observed 5daca18575749098b17e2a403e459d7b...
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.