OT-2026-000000876
Publication integrity record
Measuring system providing shape from shading
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-2026-000000876) never changes.
Identity and time
| Publication number | OT-2026-000000876 · never reused |
|---|---|
| Internal UUID | 01a0a673-f2a8-7ed1-af7b-5a0720bb0da3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:31.752626Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000876 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe1a12f4a89fec94cf0c48e77aa4a4c9b028024cd1099c477ff5379b81dd455c |
|---|---|
| Markdown | a68993a27d039c852320e901c32ca2d3028d722d55dc03ffbe961ff4591e0091 |
| Publication page | b9122ff5d3f1290349a5621e5ee3760f7438bc7a9ee3edb9dd2d8afe1164cd1e |
| Manifest | 03f8cf2c6447d4f0e5eaa09f614bcf6c70515f503552f089ed8279f716915c9b |
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 | 9QR8MTUIGKajHnTIjMS6VR3KTgPD9dlAgJp3iQ55kLCzQmJPMPd+jSuL3e0vQIcP/UfmSJa+I+N58H4RplvcDQ== |
| 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
| 2026-09-15T20:30:24.804592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000876observed b9122ff5d3f1290349a5621e5ee3760f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:30:24.772941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000876/manifest.jsonobserved 03f8cf2c6447d4f0e5eaa09f614bcf6c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:24.759290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000876/publication.txtobserved fe1a12f4a89fec94cf0c48e77aa4a4c9...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 |
|---|