OpenTechnical

OT-2026-000038161

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038161) never changes.

Identity and time

Publication numberOT-2026-000038161 · never reused
Internal UUID01a0ae77-f88c-7b7d-bd03-cbbbbdde0810 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038161
StatusPUBLIC

Content hashes

Canonical text6d4fe3535b65a37bf84ff38a3d215599ce5179b0868b162f3941d500d3967f6f
Markdown3b657904c43c98071f2f5329a246b2efb00121370d6d9f55d950a393c5409ef3
PDF
Publication page03b8c69631f876dda6defc9fc3de67086925c634df2bb19d97087336c40c392e
Manifest00dfe1a15113f93a1cf9cfbb790f4802a8ce409a2668bad6c9c0756881b9bc9b

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
SignatureIsrdisBPvCdcQYk+CvmOe1pD9n/7UAs/F01rK5smcd04dqxur+LsXIlz6bQU8ziN2NH8ZH4fldddhSCvN5p8DQ==
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

2026-09-17T11:23:30.801008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038161
observed 03b8c69631f876dda6defc9fc3de6708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.781463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038161/manifest.json
observed 00dfe1a15113f93a1cf9cfbb790f4802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.762967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038161/publication.md
observed 3b657904c43c98071f2f5329a246b2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.743118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038161/publication.txt
observed 6d4fe3535b65a37bf84ff38a3d215599...
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.