OpenTechnical

OT-2026-000100483

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100483) never changes.

Identity and time

Publication numberOT-2026-000100483 · never reused
Internal UUID01a0aea3-66ef-7668-b665-82a4ce2162a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100483
StatusPUBLIC

Content hashes

Canonical text6ed8c690a2a5b7f81c0eba91cf229c0a429c8b8cc2af80615c1109e0d9334fde
Markdown897b21b8199be619fd4da6989fc5e3ef2ec0aa63f2ad5fe86350f4e3a76221a4
PDF
Publication pagefac51ffc70b57c0e026a526e0d1c07c5bedb2fc4edfe2a7b05baf20d6eae75e5
Manifestedf1fd8a577fb9a8e9d87373cc2ffda5b912382a1ff443ee148af5817a003eba

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
Signaturedx2Vrrb2cZVsk/1sCCVNeVbWWzXpZ2Ntt44PlaTQG8R5rQEfCx2eYHCkFu25spFBgaQGefjME2gyitV+v39XAw==
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

2026-09-17T09:27:14.463415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100483
observed fac51ffc70b57c0e026a526e0d1c07c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.442195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100483/manifest.json
observed edf1fd8a577fb9a8e9d87373cc2ffda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.419821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100483/publication.md
observed 897b21b8199be619fd4da6989fc5e3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.401346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100483/publication.txt
observed 6ed8c690a2a5b7f81c0eba91cf229c0a...
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.