OpenTechnical

OT-2026-000040578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000040578) never changes.

Identity and time

Publication numberOT-2026-000040578 · never reused
Internal UUID01a0ae79-6d0d-77f1-b0a4-9ee3093e6d83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040578
StatusPUBLIC

Content hashes

Canonical textad326f0251de736cbf8e4b501a879f381a6b8287d35f3ce300b4b213d448d5ac
Markdown13114f2469da77959b0e6a59b78fc51c26b5a1cf2a12782b2ab9309efbcc8858
PDF
Publication page35099ccbaaef345dcacf394435cb6506c4516674e3a964a23c01240c2d6fe31e
Manifestee3bceea300071da1f5748fdf8f2ee1740960e086b451c29412c6ebaab66f9f8

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
SignaturecuIFBL41G32dtWhyWOPBLxROLlapw7UmD9IOThB1xMB/SjR86qqBaHIuZevV1HXLjMMWOmA37OxNo+eZD0OODA==
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

2026-09-17T11:17:44.673731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040578
observed 35099ccbaaef345dcacf394435cb6506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.656472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040578/manifest.json
observed ee3bceea300071da1f5748fdf8f2ee17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.640348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040578/publication.md
observed 13114f2469da77959b0e6a59b78fc51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.622313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040578/publication.txt
observed ad326f0251de736cbf8e4b501a879f38...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent