OT-2026-000001364
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-2026-000001364) never changes.
Identity and time
| Publication number | OT-2026-000001364 · never reused |
|---|---|
| Internal UUID | 01a0a675-a6d9-7ed6-b9e4-131df10784f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:23.417759Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001364 |
| Status | PUBLIC |
Content hashes
| Canonical text | b07d8f14086701c65194a2e28c7fd2bb82de2527318bdbf51a94a6b8f0cf2326 |
|---|---|
| Markdown | 30b4dd919e05316624e38a671ca91c560352160d03dba9ef8d0bf5ef89aab3c4 |
| Publication page | 83ceb3c9e2d6f8e6b6e74f2c8443bb95059e58c00e1ae956e872338331e1e39a |
| Manifest | 3b77724d4a9c29617fe1461fe2ed8dfdc3220b43ebc7e6314313f991f4c66062 |
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 | ILGBWrQqloFVifPMLzU8qtiWqGq6qJF0jab7NLBRuDkQX6jjOCJONFfXDa7L5wYp0v2iYo35+KI8pkx1kGIjCw== |
| 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... |
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Independent retrieval
| 2026-09-17T04:42:22.096594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001364observed 83ceb3c9e2d6f8e6b6e74f2c8443bb95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:42:21.702340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001364/manifest.jsonobserved 3b77724d4a9c29617fe1461fe2ed8dfd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:21.146527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001364/publication.mdobserved 30b4dd919e05316624e38a671ca91c56...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:20.919038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001364/publication.txtobserved b07d8f14086701c65194a2e28c7fd2bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:25.042673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001364observed 83ceb3c9e2d6f8e6b6e74f2c8443bb95...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:25.011387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001364/manifest.jsonobserved 3b77724d4a9c29617fe1461fe2ed8dfd...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:24.996048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001364/publication.txtobserved b07d8f14086701c65194a2e28c7fd2bb...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 |
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