OT-2026-000002851
Publication integrity record
Automated calibration of a machine vision system
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-2026-000002851) never changes.
Identity and time
| Publication number | OT-2026-000002851 · never reused |
|---|---|
| Internal UUID | 01a0a67f-2691-7f80-a7db-dcf165889280 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:45.938096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002851 |
| Status | PUBLIC |
Content hashes
| Canonical text | e0fbab56970502edb3c9da41791df392904bff6cb76b8f2db781ac0ddb7cbdd7 |
|---|---|
| Markdown | 9387ad48375c9b9d6a7e604e151e03f19e130fcf2836be9cc279c9d5740bc6ef |
| Publication page | b0915df694bdfb29a089ea51da6bf030f0db828dcbb6a0170c1adafe33f4eef9 |
| Manifest | 105a796bde52a89099fc172e6fc4e98e9ede9c93b4f0df8cbfebef81d3a0c0c1 |
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 | 3+4sYiWqJ37LR7k9fBwz4tOJZl6CMOciwXeW6TCPEW7cV8YU4pxE7c+ybwoPnaysPAJz1NVH33dnYSbREOcPDQ== |
| 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
| 2026-09-15T19:20:26.682909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002851observed b0915df694bdfb29a089ea51da6bf030...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:20:26.654898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002851/manifest.jsonobserved 105a796bde52a89099fc172e6fc4e98e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:26.641937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002851/publication.txtobserved e0fbab56970502edb3c9da41791df392...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 |
|---|