OT-2026-000002006
Publication integrity record
Grinding robot for grinding a surface with a grinding device
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-2026-000002006) never changes.
Identity and time
| Publication number | OT-2026-000002006 · never reused |
|---|---|
| Internal UUID | 01a0a67a-0203-7116-a3a3-6125c71f250d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:08.899520Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002006 |
| Status | PUBLIC |
Content hashes
| Canonical text | e17f66911b284cf3c989117030630ddd909e318a5e44fda60579c1436d0bc345 |
|---|---|
| Markdown | 0c7d04fff35a136b5b2b1813bbdcf3b62d2f3862b5f736497cb935ec1e0f41b4 |
| Publication page | 2f44911610e07aabdc8f659ef8a7e7770591028121a4566241bb4b7049133e63 |
| Manifest | f89a94f48e78c6fb58627980a4231efdf421abd93d7731d5655fee7980d0913d |
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 | yv69slbopUCdtHJZG+oJe31Ril6f4tcb6bE2OM4/F7+B0VcdiAxxRWvW6tY9zVPgcL77l7FVnMVRJZAYtmqVDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T20:00:11.051865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002006observed 2f44911610e07aabdc8f659ef8a7e777...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:11.020752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002006/manifest.jsonobserved f89a94f48e78c6fb58627980a4231efd...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:11.006748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002006/publication.txtobserved e17f66911b284cf3c989117030630ddd...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 |
|---|