OT-2026-000001175
Publication integrity record
Systems and methods for modular construction
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-2026-000001175) never changes.
Identity and time
| Publication number | OT-2026-000001175 · never reused |
|---|---|
| Internal UUID | 01a0a674-5af5-768e-87f2-036d5b6b4034 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:58.453934Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001175 |
| Status | PUBLIC |
Content hashes
| Canonical text | 06197548b58c17b497659e9dd24ca02c66eaa59b2a5debc9744b03e5c7db293d |
|---|---|
| Markdown | e8714b5900a1a1751e22aa15886cff4323f9faf8e8bc8d8bfcad065a8e3fe95d |
| Publication page | 8377fe77046afe552aa3ad7ba2dfff3993207f0676982275853304e0e3506f7b |
| Manifest | 1a56733be8d0975aae1130eb6c5659913cb27ca080a3d643e2d243522cb7105c |
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 | urAQj3/oIntJn0eVoUIsbOe1kB8xkQMc3TL1RbbZT8Uh8v275hdXATRkBhztVE1mBKT2r4rz3ahRlFZKbQJoAA== |
| 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
| 2026-09-15T20:20:15.600981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001175observed 8377fe77046afe552aa3ad7ba2dfff39...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:20:15.569712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001175/manifest.jsonobserved 1a56733be8d0975aae1130eb6c565991...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:15.556353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001175/publication.txtobserved 06197548b58c17b497659e9dd24ca02c...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 |
|---|