OpenTechnical

OT-2026-000001540

Publication integrity record

Elliptical drive

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-2026-000001540) never changes.

Identity and time

Publication numberOT-2026-000001540 · never reused
Internal UUID01a0a676-b73f-7244-a6bc-6cf961f09254 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:33.151982Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001540
StatusPUBLIC

Content hashes

Canonical text883c5ca7d652e543314a6abd4f696e6964b51222ba89ef16c1f331f23a146983
Markdown38e1d52c943aa6a7edf3270f485bcea1b2e42471b173d8550fc56db10fe68e3c
PDF
Publication page23c0dd42f0a0ddabf5bea86eca2312240772b6c8af30b5636c8e7c0e37e40bb9
Manifest3c5ec8f97c5def5bd5c3f54173180ad4f62c996af16e1fb6915492a5b0df5e8f

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
SignaturegpZO0W82WFJyCptDyuGvpZ0tAexKBigKGfKxOd7k0LkWMtTIWSkyebFdIB3lR60NsTcTCQP2oZEjv3N1qcsTBg==
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

2026-09-15T20:00:32.647987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001540
observed 23c0dd42f0a0ddabf5bea86eca231224...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:32.489987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001540/manifest.json
observed 3c5ec8f97c5def5bd5c3f54173180ad4...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:32.475503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001540/publication.txt
observed 883c5ca7d652e543314a6abd4f696e69...
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