OpenTechnical

OT-2026-000040361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040361) never changes.

Identity and time

Publication numberOT-2026-000040361 · never reused
Internal UUID01a0ae79-2700-7e20-8e03-3dbc1923384c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040361
StatusPUBLIC

Content hashes

Canonical text40ab09be2f2120f7716385736a3f7038d9a28e07cfae3f5f85bb0e7c91dfc128
Markdown01fd71b0e4a641a6e9a1c0e23436f2f27f834c094dca3a8da2f30d0ed74fd21b
PDF
Publication page36465bf873e9d3e5318ff0e7f4b27e42663810e038f687434d1864c553203f79
Manifesteecb3d6505e6322cb513a0d30fc1f8865a948dc77f709188696d9da315240463

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
Signature4rYfSCN5B7TbI3A4ljKi9mkUN4NM6qGRMFavVQhmkKrIm5RMkrd37XPG3Nge7JaThqr9qnaZyRqjYWT5Ydb7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:22.554123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040361
observed 36465bf873e9d3e5318ff0e7f4b27e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.536644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040361/manifest.json
observed eecb3d6505e6322cb513a0d30fc1f886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.519209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040361/publication.md
observed 01fd71b0e4a641a6e9a1c0e23436f2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.501326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040361/publication.txt
observed 40ab09be2f2120f7716385736a3f7038...
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.