OT-2026-000001341
Publication integrity record
Apparatus and method for treating substrate
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-2026-000001341) never changes.
Identity and time
| Publication number | OT-2026-000001341 · never reused |
|---|---|
| Internal UUID | 01a0a675-71eb-748f-9f08-beef0b9cc717 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:09.868515Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001341 |
| Status | PUBLIC |
Content hashes
| Canonical text | 98369d25ed6011174651c84d7ebecc4d89542697521ede91cdc50cc58b36e04d |
|---|---|
| Markdown | 0c37e9f81b7a38f634910fe8e5d41de683cba2417457c5bb75f3ae1357fc039c |
| Publication page | 6e463af8ef55892c3bca22b533e927c42313db9682edece330a959c3c823964c |
| Manifest | c8c244970517b5adc78eacdb0af9c062f6d9d483e01a7641dbb276e71a144dac |
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 | lV7Dr9EWmYeFw+u/dSYIbPLrOS5LYgd5eqyBHmqFqgVOlV5UlXgRI7qPf23BgAxLeec8xrNc/m9U5aAGXFkxBQ== |
| 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
| 2026-09-15T20:10:27.805199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001341observed 6e463af8ef55892c3bca22b533e927c4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:10:27.772647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001341/manifest.jsonobserved c8c244970517b5adc78eacdb0af9c062...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:27.757767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001341/publication.txtobserved 98369d25ed6011174651c84d7ebecc4d...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 |
|---|