OpenTechnical

OT-2026-000019122

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000019122) never changes.

Identity and time

Publication numberOT-2026-000019122 · never reused
Internal UUID01a0ae6e-f391-768c-862e-2d9338f1bee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019122
StatusPUBLIC

Content hashes

Canonical text041206b82f804c0ef9dfc502f2594e983457aa44ede67fe9ac88f0730d17a51f
Markdown5e6c0297683f672a23765ebdafaf418113a76622e7271c1e67d18b4401d712bd
PDF
Publication pagef1a1bc6b3f1121d25ee5906b5eb3854e44d21872f0e353e502d4d33f36067e74
Manifestb3bf8d0e3524ae45d1e5d9c0a0b649dc56de2810957bd874ccc7423860217f27

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
SignaturelPAafb43UzbrOomYDReXqKHrbMp7D+rsb41KLIiWRmQ0gNn9wwe6uQCG2NLmX6yYuhFcEJHl3QjpCQZH9L7uDA==
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

2026-09-17T11:58:25.558140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019122
observed f1a1bc6b3f1121d25ee5906b5eb3854e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.538830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019122/manifest.json
observed b3bf8d0e3524ae45d1e5d9c0a0b649dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.522009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019122/publication.md
observed 5e6c0297683f672a23765ebdafaf4181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.504524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019122/publication.txt
observed 041206b82f804c0ef9dfc502f2594e98...
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.