OpenTechnical

OT-2026-000097725

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097725) never changes.

Identity and time

Publication numberOT-2026-000097725 · never reused
Internal UUID01a0aea1-92f5-7c73-879b-2323504fd15f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097725
StatusPUBLIC

Content hashes

Canonical textc03a99680d59ce83e2ce3b1d83faa96a9e1af2dc7b18ffda481663862b00597d
Markdownd8da26402826aa15bc50b3a468c3d404d57bddd00c96d1b5e8e14f97efde1b07
PDF
Publication pagef0408948b65a37601cfae777c925bdda6f0fc0b99ab0145b0d9042e7cf19372a
Manifesta595368a41479487536a3b4232b702f49b6c4906890be96d71a9dff3101ca212

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
Signature3PNU6Ybr/CbHS2zgzexZvKkpChE7gf0G43Bum+rSPEzt0+gWws90IXaIw0QnDhTOCfCjnbOuwL7nnJUqKzC8Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:45.447278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097725
observed f0408948b65a37601cfae777c925bdda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.420141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097725/manifest.json
observed a595368a41479487536a3b4232b702f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.392050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097725/publication.md
observed d8da26402826aa15bc50b3a468c3d404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.364583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097725/publication.txt
observed c03a99680d59ce83e2ce3b1d83faa96a...
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.