OT-2026-000000299
Publication integrity record
System and method for synchronously detecting thickness and double-side surface profiles
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-2026-000000299) never changes.
Identity and time
| Publication number | OT-2026-000000299 · never reused |
|---|---|
| Internal UUID | 01a0a673-348e-7d86-8683-854899e642f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:43.087067Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000299 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48e09038f98c5f504e36971b18a9944ca5c502ba3e1d062efbabc8153bd224d9 |
|---|---|
| Markdown | 00f4bc8afc5ffd744dc1045049bc3840d9678d112f53848c8ae15c23617a3826 |
| Publication page | be7eaa84aec2d7ff29aa6a881d004e61d7d9f2e9a35a9041b8c0437c33160e1f |
| Manifest | 0334b2f41b8221b826ce1d9caffad31f1560126dc3086370090349fa709e100e |
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 | KvfKElFNucv7AspRjZ93EGca7U6GMZ+M/H8bACt84CmsqQRPw6VP7kk/h81mURu9C2pWQ5FbxjGmvcoZimkDCQ== |
| 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
| 2026-09-15T20:50:26.505666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000299observed be7eaa84aec2d7ff29aa6a881d004e61...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:26.350738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000299/manifest.jsonobserved 0334b2f41b8221b826ce1d9caffad31f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:26.339494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000299/publication.txtobserved 48e09038f98c5f504e36971b18a9944c...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 |
|---|