OpenTechnical

OT-2026-000017522

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017522) never changes.

Identity and time

Publication numberOT-2026-000017522 · never reused
Internal UUID01a0ae6e-76ca-70f2-9e34-c61839bf783c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017522
StatusPUBLIC

Content hashes

Canonical text13ff4df693c9430fdd6282cf6d8b367b85962ccba2c1dee504a47dfc593ab353
Markdownec54c309d6022858a00543ef03467d82d44f3b107bf560a912463763172ecbbc
PDF
Publication paged6932b137f53d36d550e0d88000c1c086619c2b004bb5de809256977b0391e98
Manifest0227d675ac5fb09d7ec01d92c2b554879bace5e7dd52c502247056dcfd3ed3d9

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
Signature4B7hJfMEUljCTLKbklfrFyLgUKXwX9u2xVtC5AbyIwuNHNX8zsSPmupBbSSGy+es96U+ZjrniC5mcWlgg5ICBg==
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

2026-09-17T12:02:40.831414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017522
observed d6932b137f53d36d550e0d88000c1c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.814638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017522/manifest.json
observed 0227d675ac5fb09d7ec01d92c2b55487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.797966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017522/publication.md
observed ec54c309d6022858a00543ef03467d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.780612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017522/publication.txt
observed 13ff4df693c9430fdd6282cf6d8b367b...
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.