OpenTechnical

OT-2026-000030069

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030069) never changes.

Identity and time

Publication numberOT-2026-000030069 · never reused
Internal UUID01a0ae73-ac4a-7529-978e-3b1f6fe04921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030069
StatusPUBLIC

Content hashes

Canonical texte4899e50c4bf431ae084790346decfc2a2010bd9e3f5b401bb490b14d348003a
Markdownaf91c03d39e21744c10dd9dd070debc1bf7cb89178444dc6e6ccd4dae0c181ef
PDF
Publication page04403455d5e213307b921e121a3278ad08bf4f6f78a2da92a4c164db3ed66c36
Manifestd944de72f04d9e973242951daf224d11fcde8bce4d896bddc67ba01b9bca0c27

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
SignatureNyLgQmZs/z+4l5z7DFbMxCUK81HsYviLbTdAw4hYFb3eiM9PCZTngoRncmidI1HuCAUQBobsgK5ffecBlgyDDA==
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

2026-09-17T11:38:48.756639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030069
observed 04403455d5e213307b921e121a3278ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.737810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030069/manifest.json
observed d944de72f04d9e973242951daf224d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.719493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030069/publication.md
observed af91c03d39e21744c10dd9dd070debc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.702859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030069/publication.txt
observed e4899e50c4bf431ae084790346decfc2...
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.