OT-2026-000001544
Publication integrity record
Contactless locking of ratchet columns
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-2026-000001544) never changes.
Identity and time
| Publication number | OT-2026-000001544 · never reused |
|---|---|
| Internal UUID | 01a0a676-bd3f-7245-abfa-fe50ec81a7ab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:06:34.687809Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001544 |
| Status | PUBLIC |
Content hashes
| Canonical text | c128e00a9951d22c0b84408dc9427261653c15f298bc02bb9c9e518e424be0b9 |
|---|---|
| Markdown | fac810e878978f4e220b05aeae2f07c17e299f674718a34c8653877c46f32fd3 |
| Publication page | 00b63f0933ef3e4ef11ecf4df59f97a3d06c82254fb2026ac06e8031015a4c7e |
| Manifest | 5f5bca305d3ef99b17e1f9beb84f054ef619167bd9bbfb49dad7c38dfd1924ce |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | EATDSKN8jVUoJbl+Qz7qG10dxR/a0Uvfdl+aWRg2by23nuULk/n2XwkNj+QAgXWQp+E1CKRtZ1WJDEaOocQzCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-15T20:00:32.170917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001544observed 00b63f0933ef3e4ef11ecf4df59f97a3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:32.137855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001544/manifest.jsonobserved 5f5bca305d3ef99b17e1f9beb84f054e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:32.000519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001544/publication.txtobserved c128e00a9951d22c0b84408dc9427261...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 archive | Pending 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-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|