OpenTechnical

OT-2026-000033348

Publication integrity record

Two bellows 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-2026-000033348) never changes.

Identity and time

Publication numberOT-2026-000033348 · never reused
Internal UUID01a0ae75-8980-7392-b69e-e67613e52406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033348
StatusPUBLIC

Content hashes

Canonical text3a9030c294e1775a49bf98e878d8ecf37225a948d781b57971cca78171438ded
Markdownfcc9128d7461ddba1a64af83478efd7d117cc561ce9bbe46204f1e4877bee2ac
PDF
Publication pagec7b0c92642a46f1e3d5d2f515a22a5d1926a912b2dbae4df16deb628dda46715
Manifestbf59658d3ace46c15e7e877a2f976ed7f584f758eed206b08c29a8a77cfaaf88

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
Signaturei4xG/p7t8oUX0AJXkyoZ1OeUwWk66ApvkS6hJiYp4+2Vyac67J0r8L4I7sz6fhv16bFUXKsx8V5KsEY22bSoAA==
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

2026-09-17T11:32:06.488322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033348
observed c7b0c92642a46f1e3d5d2f515a22a5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.471117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033348/manifest.json
observed bf59658d3ace46c15e7e877a2f976ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.453577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033348/publication.md
observed fcc9128d7461ddba1a64af83478efd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.435508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033348/publication.txt
observed 3a9030c294e1775a49bf98e878d8ecf3...
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.