OT-2026-000000778
Publication integrity record
Underground enclosure assembly and method
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-2026-000000778) never changes.
Identity and time
| Publication number | OT-2026-000000778 · never reused |
|---|---|
| Internal UUID | 01a0a673-d05a-741b-ba44-cc5fd749b24e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:22.971122Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000778 |
| Status | PUBLIC |
Content hashes
| Canonical text | c22cb0bbedec3ad60f1b2cd7522f39c1fa79e6e7e805e66720fce380c1a67dd4 |
|---|---|
| Markdown | 5e8d52368df442fb8866d47da15c0bb0c2bf1e56a127fb5c7001b2a0611d1472 |
| Publication page | 506ca3832f67adc8cc262537504d208cec06ec95bf71fc6860a5bf4f6e7d4588 |
| Manifest | 8d8c650069e0225198b39dc9ff569b6f17e8dbf0e82c2b4295fffdb25c163fb3 |
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 | aRUYrG8q2HS7Txzxtf/FICof5ytRv5baNWia9XY41TwQ1zWtBv+UpPVU/Lvvc6NQ3abEB0Pks1YBnPcurPc/Dg== |
| 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
| 2026-10-24T20:41:58.205384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778observed 506ca3832f67adc8cc262537504d208c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T20:41:58.132775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778/manifest.jsonobserved 8d8c650069e0225198b39dc9ff569b6f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:58.053050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778/publication.mdobserved 5e8d52368df442fb8866d47da15c0bb0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:57.892824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778/publication.txtobserved c22cb0bbedec3ad60f1b2cd7522f39c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:28.507219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778observed 506ca3832f67adc8cc262537504d208c...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:28.031759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778/manifest.jsonobserved 8d8c650069e0225198b39dc9ff569b6f...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:27.848713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778/publication.txtobserved c22cb0bbedec3ad60f1b2cd7522f39c1...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:36.677344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000778observed 506ca3832f67adc8cc262537504d208c...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 |
|---|