OpenTechnical

OT-2026-000000399

Publication integrity record

Dual-resolution 3d scanner and method of using

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-2026-000000399) never changes.

Identity and time

Publication numberOT-2026-000000399 · never reused
Internal UUID01a0a673-50bf-7bf5-9b09-e964594ac8b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:50.304200Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000399
StatusPUBLIC

Content hashes

Canonical textd805ce7bc0c286fb634ed98c39a0450e181cf7c07bf89cc10a6e292929449246
Markdown56a435ba4134cd207df1bd0e7485840423ba3cb7b0279d0025a75f54785f1d38
PDF
Publication page6f1538cb4f07a0a71595ba63a2d491b709a33c3c667bd98ad7e5fc14ae7b496a
Manifestb26d852b98cf46e5c9a88b432b3245902141108272a25d35c0d1885e9844c64d

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
SignaturemrshRr8yqQsbodW54tvgd/KOP2MlV7YXxigqs2XCCm9a/SEet177kXeP7PSjlfbd7YPiTNKU023OSPygcjGNBw==
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

2026-09-16T08:42:29.181815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000399
observed 6f1538cb4f07a0a71595ba63a2d491b7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:28.628600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000399/manifest.json
observed b26d852b98cf46e5c9a88b432b324590...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:28.172655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000399/publication.md
observed 56a435ba4134cd207df1bd0e74858404...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:27.402622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000399/publication.txt
observed d805ce7bc0c286fb634ed98c39a0450e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:50:14.340877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000399
observed 6f1538cb4f07a0a71595ba63a2d491b7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:14.305641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000399/manifest.json
observed b26d852b98cf46e5c9a88b432b324590...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:14.287387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000399/publication.txt
observed d805ce7bc0c286fb634ed98c39a0450e...
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