OpenTechnical

OT-2026-000003237

Publication integrity record

Machine tool

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-2026-000003237) never changes.

Identity and time

Publication numberOT-2026-000003237 · never reused
Internal UUID01a0a6a2-7e21-7876-b1c0-8016253761c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:54:22.113404Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003237
StatusPUBLIC

Content hashes

Canonical text7c8fe294ee4c1901fd7c5ea582a611e9f77766a6b6b72f9d1ea7a3944333a5e4
Markdowne8be45c3e0a0b1ec4e55dc4ac79a284808d2967dcf7ba38fdc823c092c123d1b
PDF
Publication page3855df6ec0a6ba5e0faa01335dc3d26676ef80ea651a5d68ce65d7fedf2bbb14
Manifestf54d6b58f2e46920469c99f02b1fcb81401ac493d7f477bf1adc83d4c68544b2

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
Signature1RCb2TADAHf1pRra0rz2gQTkr/Gz6PV5Pt/CcXVUyqAZ3ApSFAlfSDMSUYi061SpGMUMfZ60zeQlCG+mSPDgDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-15T20:00:07.421199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003237
observed 3855df6ec0a6ba5e0faa01335dc3d266...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:07.393249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003237/manifest.json
observed f54d6b58f2e46920469c99f02b1fcb81...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:07.380403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003237/publication.txt
observed 7c8fe294ee4c1901fd7c5ea582a611e9...
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