OpenTechnical

OT-2026-000001548

Publication integrity record

Digital-twin-enabled artificial intelligence system for distributed additive manufacturing

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-2026-000001548) never changes.

Identity and time

Publication numberOT-2026-000001548 · never reused
Internal UUID01a0a676-c2fb-7372-8ca8-ece09a99a6f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:36.155682Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001548
StatusPUBLIC

Content hashes

Canonical text82957369ea32b8e10481cbca2fd04e82a1d0af9fb00d55e6fcd1742f48204a64
Markdown677e95cd5940786d223bd3bd84f46dc24a4b575796dd99aec6a7f71d98c0723d
PDF
Publication page28b3e6171c5ff4183a788915c1e5aef942a532c534e197d88b7e601a0d8ce0ca
Manifest8d45cd7b76bc9c649010aef27b2356375405a312b23d0a2d51b35a828121cdc1

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
SignatureWuW0flp7bl4FyBsAWnjeDdw9kc/9oGSl/9ZWU8YE5xEVKAH6yEvxOP0HbwiDQhL3IhpsJsV35qZ3iIFI2k14DQ==
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

2026-09-15T20:00:31.689997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001548
observed 28b3e6171c5ff4183a788915c1e5aef9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:31.658127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001548/manifest.json
observed 8d45cd7b76bc9c649010aef27b235637...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:31.645614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001548/publication.txt
observed 82957369ea32b8e10481cbca2fd04e82...
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