OpenTechnical

OT-2026-000041471

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold 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-2026-000041471) never changes.

Identity and time

Publication numberOT-2026-000041471 · never reused
Internal UUID01a0ae79-b145-74d6-b797-82c23de9418f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041471
StatusPUBLIC

Content hashes

Canonical textc0c507e7ed82b80511cd43c4a1e87031365c0cd8311b9e23580c7c9508b8efc4
Markdown16b479707cec8cda957a6383bce059510ece9cd6ddf24eafcf28b3480be801c9
PDF
Publication page4348371208f4fd4a383919e8a5b19517edd64bdba503fc6abad3ebbf47189c0e
Manifeste98c2f88c280bd8e1f92018368f747e84ba7de5587d27ce34e48ce3716b5c296

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
SignatureMKpzhUAiQg4phKwiUwln2x6XHrUPNlSE+5Uv3Zdl2aXhfkFpY6Vv+b8xtndtuuOfqDlVX84y6WcsMmMLZ3KSCg==
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

2026-09-17T11:17:30.055454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041471
observed 4348371208f4fd4a383919e8a5b19517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.037446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041471/manifest.json
observed e98c2f88c280bd8e1f92018368f747e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.019439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041471/publication.md
observed 16b479707cec8cda957a6383bce05951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.000296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041471/publication.txt
observed c0c507e7ed82b80511cd43c4a1e87031...
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.