OpenTechnical

OT-2026-000040287

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000040287) never changes.

Identity and time

Publication numberOT-2026-000040287 · never reused
Internal UUID01a0ae79-2700-79c7-9834-838d01b5f9cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040287
StatusPUBLIC

Content hashes

Canonical text30a30a00514d16480f2e0bb76c3799da1ff203b43b038435586fa02383dfc3d4
Markdownd3b444fead2dd0b72bc3f13339cb733396c88130dd0b461c79dfe743f9219bdd
PDF
Publication paged03e90d234bcc268c7b6d60786b1a08225a594e13d017d06fadc32940534aae5
Manifestc12fa5826ee420e52acbaac874e7274510708d3107b084eafffaf213577b5c6a

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
SignaturegPS6MdkvyCIOUCK7OzolvfwZm8uw4utTCAe54M4TPE0sPwfqXKBFkX6kj/mLrQ1iDXa6s4gsRRVqqRmRdLgfAg==
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

2026-09-17T11:19:11.467732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040287
observed d03e90d234bcc268c7b6d60786b1a082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.450764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040287/manifest.json
observed c12fa5826ee420e52acbaac874e72745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.433159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040287/publication.md
observed d3b444fead2dd0b72bc3f13339cb7333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.413403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040287/publication.txt
observed 30a30a00514d16480f2e0bb76c3799da...
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.