OpenTechnical

OT-2026-000013941

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000013941) never changes.

Identity and time

Publication numberOT-2026-000013941 · never reused
Internal UUID01a0ae6d-8dea-77ff-8ef4-cd5a0d896f38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013941
StatusPUBLIC

Content hashes

Canonical text6fc116a3e3a5f92348a27419cc1f22c031d1ce15261dc79d38575343cddd7e2a
Markdownd8789bb4a13c3949506e225eef34bdb5b0996a61f153207dab4d3b1cd54c32f2
PDF
Publication page96d9ff5d341b5f707b1356dba6a9ae1dab837c3f6bf16b3a39aeb7208242779e
Manifest10f20e80fa15eb2561218a9e18ff0d77574c91ffb30fa385353cc2cf8b5c5a27

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
Signatureimh/abQIJmj9VfxSR6jmn4eHNTxRSLIFMKUrdPL4z+coyYXmklYMGa8SMpXgLrPoOSiwpJ3eypySzDlr81vXCw==
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

2026-09-17T12:09:04.922993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013941
observed 96d9ff5d341b5f707b1356dba6a9ae1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.904252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013941/manifest.json
observed 10f20e80fa15eb2561218a9e18ff0d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.885511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013941/publication.md
observed d8789bb4a13c3949506e225eef34bdb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.865818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013941/publication.txt
observed 6fc116a3e3a5f92348a27419cc1f22c0...
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.