OpenTechnical

OT-2026-000010246

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000010246) never changes.

Identity and time

Publication numberOT-2026-000010246 · never reused
Internal UUID01a0ae6b-cb7b-71b3-9e35-08fb60a05b87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010246
StatusPUBLIC

Content hashes

Canonical text2f2c448c01cd4222dc54ab7a23bf3bf651778c70b60e959610d91dd6e0f2ea01
Markdownfd736f6d5d0771ca669113a492301da2204289ac08e98c160d7b9d9fee29d284
PDF
Publication pagedf1367577b56fb86c72b66a8d2c5f1c95627f29a9b056010e1310b82ae565df6
Manifest6cbb150282803da9cb35566fa6fb0718cb6ae1399162da1f8b7ed8a9e07babfb

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
SignatureePk3s4e6lw77OwEts5lOX1G1cRk/WbBZNeuUKa600aB4LqiccO6T53oQXsbbzzWd2n7vIKSZyJZzZLItWKpUBg==
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

2026-09-17T12:16:22.886042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010246
observed df1367577b56fb86c72b66a8d2c5f1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.864442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010246/manifest.json
observed 6cbb150282803da9cb35566fa6fb0718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.846380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010246/publication.md
observed fd736f6d5d0771ca669113a492301da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.826536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010246/publication.txt
observed 2f2c448c01cd4222dc54ab7a23bf3bf6...
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.