OpenTechnical

OT-2026-000038622

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000038622) never changes.

Identity and time

Publication numberOT-2026-000038622 · never reused
Internal UUID01a0ae78-2d54-7b5b-aaa9-00a562ee345f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038622
StatusPUBLIC

Content hashes

Canonical text2f0fa185af74a642e1d190e43a70032f424652fa4611991b5da7d166bbd8cbbd
Markdownf6bfe0b6ae163baf7b8151759d44525413392f894b7ce7780dbb233009287ab5
PDF
Publication pageb2277e6730a022b75f83b24aa3988b03ea5aa85019200f091743360124958253
Manifest9c0e2cf1e430e44d0e80610c19f2ead6dbd88a94d3f544c314f01dea20130264

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
SignatureoLuzOC3HsWnyS1qY4P1jgttHeRTVc0YWcTKxwOo3q0+6HZ0oSzKWRGjQXOAB4AZcsYDxwt4pA/CUhw4oHSxNAA==
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

2026-09-17T11:22:53.008946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038622
observed b2277e6730a022b75f83b24aa3988b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.991441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038622/manifest.json
observed 9c0e2cf1e430e44d0e80610c19f2ead6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.974772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038622/publication.md
observed f6bfe0b6ae163baf7b8151759d445254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.957361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038622/publication.txt
observed 2f0fa185af74a642e1d190e43a70032f...
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.