OpenTechnical

OT-2026-000035494

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000035494) never changes.

Identity and time

Publication numberOT-2026-000035494 · never reused
Internal UUID01a0ae76-b4c4-7a98-9fa4-d14888cb6608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035494
StatusPUBLIC

Content hashes

Canonical text70ab24c8b7af38050746bc2290f15805caeed70887b0e8fb70356416c3fb0ece
Markdowna400d93973849bf80e5bffd88d41a199146979a713e3ae2ef6471e5dce1ef1f9
PDF
Publication pagedfb301a792c3b229c1b956602387298be2b6b510c5d8b50820cd3ac6ebc7c672
Manifesta9ee04feda54b34fc9ddccc84aa5602020c95fadbb519257467355d9956d8424

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
SignatureufLwkiQgj/zBxRh/i9NlCn+UhyLHM+VqRWpuYzg2azj9pDRrhbb0MCbZMNRllJsIw3kaUJYOZh/9wdXZ/ZJjBQ==
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

2026-09-17T11:26:54.558233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035494
observed dfb301a792c3b229c1b956602387298b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.540390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035494/manifest.json
observed a9ee04feda54b34fc9ddccc84aa56020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.522789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035494/publication.md
observed a400d93973849bf80e5bffd88d41a199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.506245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035494/publication.txt
observed 70ab24c8b7af38050746bc2290f15805...
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.