OpenTechnical

OT-2026-000015083

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000015083) never changes.

Identity and time

Publication numberOT-2026-000015083 · never reused
Internal UUID01a0ae6d-d096-7952-8509-302c02140348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015083
StatusPUBLIC

Content hashes

Canonical text265f32d79e7e155288a455e88d82164a87ea0f2baec69e075ee1e9ca4fb5a2f3
Markdownaca590807489ca100baad4d2d357ba4e418620fb2c6bde57d571b959f83e1330
PDF
Publication page8b92081d787a51bdfae6b60cbd6035893911b91cc0bb1e2c722e4e5dcc395860
Manifestc319a921cdc92515b9735f5235631bfe4828f69103b5d2135809af50c5995649

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
SignaturesrQCt8VdNIkWWH77H8Kiz5IyHqeEufNnRWl6hZPMFFEqQMVQET03WGR/54aYjSUFdBYhOVPp67v3RTulmdQ6Dw==
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

2026-09-17T12:07:08.100297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015083
observed 8b92081d787a51bdfae6b60cbd603589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.082867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015083/manifest.json
observed c319a921cdc92515b9735f5235631bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.064620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015083/publication.md
observed aca590807489ca100baad4d2d357ba4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.045464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015083/publication.txt
observed 265f32d79e7e155288a455e88d82164a...
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.