OpenTechnical

OT-2026-000001603

Publication integrity record

Workpiece processing apparatus

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-2026-000001603) never changes.

Identity and time

Publication numberOT-2026-000001603 · never reused
Internal UUID01a0a677-1300-721c-996f-3ac8d81a23e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:56.641286Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001603
StatusPUBLIC

Content hashes

Canonical textef5039cac21e735dcdf4c5ee2dbf3f29d567bb5cec238df166d88a75f4bb185c
Markdownd813a2d10836861481493c980a271b128635848c5443e240caa0b49e0289cf65
PDF
Publication page832ac2e94a3f7622977b8778cf602cf6bb3e64f1a12d7518319c0131ba0da7dc
Manifestb1483d2e45af1dcadf28b7c1f4af97950516a74743a38c3d99c7fe237fc4e43f

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
SignaturemwYr6yPjkxOUlBJOg/8JV+E6lg0JHZ2bnRRfE/4eYrnn6yYH/FUk4YKOXEuFDIWYPO4Ai0Pw/0ydSPDGxtTJAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:00:24.632705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001603
observed 832ac2e94a3f7622977b8778cf602cf6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:24.473622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001603/manifest.json
observed b1483d2e45af1dcadf28b7c1f4af9795...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:24.461356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001603/publication.txt
observed ef5039cac21e735dcdf4c5ee2dbf3f29...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent