OpenTechnical

OT-2026-000029341

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029341) never changes.

Identity and time

Publication numberOT-2026-000029341 · never reused
Internal UUID01a0ae73-5e20-7282-acc9-017a9e35c2ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029341
StatusPUBLIC

Content hashes

Canonical textb761faea1e7c8530bad87b3240770f7a5880f9d965e260186512a2deff052426
Markdown5117d185b6b84bc6182ff073b73ec710f58e84f6ff8fd00afeadfb7a1acc1533
PDF
Publication paged1b30936e2e12067e0eb6315297189c422a451bf32a8099c06a21b444be555b2
Manifestfbe476b4dd8d41b4d2afe9919fb0ce6232e379b6844c38fd2a038c2b2ce984a8

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
Signaturej8JzYoUrzehNf185hqGV4h0oP7Hb+TJvq4FfYyVzWo3CePMHX2lzMxTv0q/o83nvjYsreSAQcsGiMO+a9hVaCQ==
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

2026-09-17T11:38:53.518642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029341
observed d1b30936e2e12067e0eb6315297189c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.500257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029341/manifest.json
observed fbe476b4dd8d41b4d2afe9919fb0ce62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.480414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029341/publication.md
observed 5117d185b6b84bc6182ff073b73ec710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.462749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029341/publication.txt
observed b761faea1e7c8530bad87b3240770f7a...
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.