OpenTechnical

OT-2026-000030353

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000030353) never changes.

Identity and time

Publication numberOT-2026-000030353 · never reused
Internal UUID01a0ae73-e501-78de-a76e-e6d164d48fc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030353
StatusPUBLIC

Content hashes

Canonical texte31ee287d465440e87741b98479657be11070af893611b2b32e981eda0d8e1e2
Markdown5529fcfec204f65dace7e61e2eaddcf84711fcd8c91ba415ad063e841f423b67
PDF
Publication pagef8c6cc1acaa7911834a427df833b50898589e8e772790aad55998559f660676d
Manifestd556bf38ce9be2404e4cdb1333c2a0ae4a8c013e8ab9c6af181cfa9f970ded6b

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
SignatureniSY+4HhKrL2XgsPjjlr+x4lxTSvufykXdNLhnmhQo1wSEmQXyQiMAGG1KVXNEXdflsg39WFdO5SXwvVIyCwDg==
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

2026-09-17T11:38:04.282884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030353
observed f8c6cc1acaa7911834a427df833b5089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.265355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030353/manifest.json
observed d556bf38ce9be2404e4cdb1333c2a0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.246384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030353/publication.md
observed 5529fcfec204f65dace7e61e2eaddcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.227722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030353/publication.txt
observed e31ee287d465440e87741b98479657be...
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.