OT-2026-000000150
Publication integrity record
3D printed drift 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-2026-000000150) never changes.
Identity and time
| Publication number | OT-2026-000000150 · never reused |
|---|---|
| Internal UUID | 01a0a673-0c1e-730f-8c37-1c1d83c0bad9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:32.735265Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000150 |
| Status | PUBLIC |
Content hashes
| Canonical text | 01a56940fc2b54dafbe3c4d2f59f2f3ea77c9d658ea42081f76aedc334539f96 |
|---|---|
| Markdown | d3de9a2c23f3c7a93320a5161690def4ee2af7d007a46c42012498833f463014 |
| Publication page | cd0f595344224e6af4eb59e33dd57c374a7051e395c8974f78981e04776436b9 |
| Manifest | ce205a0a45a6951de254bd6f9cdd777960341d825e44cb923d1ebe88ce7e1d20 |
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 | N2Uk8xvO/S4jzXXNmsUQsF31NmG1QpQ7HEcCh43LTqPJKNmv2eudY6QdE1ZvG8OVeZxX79N0wGKcui4OQ+IsCw== |
| 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
| 2026-09-15T21:00:06.642118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000150observed cd0f595344224e6af4eb59e33dd57c37...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T21:00:06.613391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000150/manifest.jsonobserved ce205a0a45a6951de254bd6f9cdd7779...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:00:06.599172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000150/publication.txtobserved 01a56940fc2b54dafbe3c4d2f59f2f3e...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 |
|---|