OpenTechnical

OT-2026-000040297

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000040297) never changes.

Identity and time

Publication numberOT-2026-000040297 · never reused
Internal UUID01a0ae79-2700-7b14-8910-8738eb5d145b · 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-2026-000040297
StatusPUBLIC

Content hashes

Canonical text8a2f51f3066d22fe3b6612839cd54b0730b4e0147d130b5d49879fbd4c52baa8
Markdown3e1c20ef5b8e3ec2817b10dbb9c31976206186c12959e6143fba2714bf5ed247
PDF
Publication pagef6cd481bc47ee3f56a05d83d49a5629391834de4a4e2bc42029202b6e5cdb46a
Manifest333b6bba61a1bee366e790b5feecd4682df57626dd5bcaf3f2ab0812cdfafb24

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
SignatureUOVbnJwtlNCPu81vJLaPiC3V1hdJBIjRX0Yf0ub5RXe8HbXGRFkQG0AZPg+19ySAAsXwOPHlVORoIkfXuJuCBA==
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

2026-09-17T11:19:12.213260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040297
observed f6cd481bc47ee3f56a05d83d49a56293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:12.194181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040297/manifest.json
observed 333b6bba61a1bee366e790b5feecd468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:12.174334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040297/publication.md
observed 3e1c20ef5b8e3ec2817b10dbb9c31976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:12.156214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040297/publication.txt
observed 8a2f51f3066d22fe3b6612839cd54b07...
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.