OpenTechnical

OT-2026-000013665

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000013665) never changes.

Identity and time

Publication numberOT-2026-000013665 · never reused
Internal UUID01a0ae6d-8de8-7bd9-802c-172141c857c4 · 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-2026-000013665
StatusPUBLIC

Content hashes

Canonical text296caac88398ef9dbe5f5ccc10c0d2a5e9f76922d5579a1981159eca05f82590
Markdown3fd6ed059c78bc2aca2a55a3cea1b4eb0c03012208c2002ab6e4eb396a2b5eff
PDF
Publication page579566629f4655e0c1b1d238468256d696cfc44776334ba98177b5d6635c9087
Manifest721554e44f517a24a099d49ddf64c088b6ae346c2dc6521f7d708fc056689c07

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
SignaturefooYwBf/rs0rlPMgtffpaHdc+SYJDDZQZhh0RR8wKjHKzlfSROJmdn7+DU98J/k4+lYa6tVhs3aUlRm6dnZICQ==
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

2026-09-17T12:08:36.506731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013665
observed 579566629f4655e0c1b1d238468256d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.487016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013665/manifest.json
observed 721554e44f517a24a099d49ddf64c088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.465935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013665/publication.md
observed 3fd6ed059c78bc2aca2a55a3cea1b4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.444414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013665/publication.txt
observed 296caac88398ef9dbe5f5ccc10c0d2a5...
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.