OpenTechnical

OT-2026-000000334

Publication integrity record

Laser cutting method using spatial light modulator and laser cutting device

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-2026-000000334) never changes.

Identity and time

Publication numberOT-2026-000000334 · never reused
Internal UUID01a0a673-3ea9-74ce-93fb-20f27dee1b4f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:45.674050Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000334
StatusPUBLIC

Content hashes

Canonical text23fcdcd610632edc7de0a942ead6e7539b7ea4bf619b039e0eee922ab5b7c3c7
Markdownc1d637f4720a6910331c860c5072c647603f733f16ec47b8da45a7facedbce73
PDF
Publication paged4c219be90828121f243102fd04e3257ce2d43fd5e1ad1ac24be58c9af884334
Manifestac527a23647220c2dc94fa88dcfa8c761f15cdc1808beea613f079eef2b4bcc4

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
SignaturenvkoQJCVoY+hjuLbVAf3wUW41B2LmYfLkmOMVgNBS+nyJba+OBRYWaDEMq5LP2YVbWZUoHftfMWA86alIsa4AA==
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

2026-09-15T20:50:22.604885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000334
observed d4c219be90828121f243102fd04e3257...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:22.576194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000334/manifest.json
observed ac527a23647220c2dc94fa88dcfa8c76...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:22.563697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000334/publication.txt
observed 23fcdcd610632edc7de0a942ead6e753...
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