OT-2026-000001801
Publication integrity record
Card attachment system 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-2026-000001801) never changes.
Identity and time
| Publication number | OT-2026-000001801 · never reused |
|---|---|
| Internal UUID | 01a0a678-bbc1-75a5-a899-2d7269b65050 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:08:45.378169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001801 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81546cce6b4da66f960c0f6c5814c0c9d156f83dd5793d7a14a4b14ff822fa90 |
|---|---|
| Markdown | 736100c775cb1425f97ac332851c3a91dc2f367527aba0224983b3bc67d097b9 |
| Publication page | abd3a00972e86487d01b0d2a0e5170154e823d6655999eeebe62ba04d40c8458 |
| Manifest | 0db0a8cf7c3a5c080b87118dfec7771346557f6b6521c8fba973c77ee33012df |
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 | 6u5aplfgtQm21oB4A6sQSfHBS3oG4EQSwUlgZPNA2MSJex0h0Nl0ViP4d3iErzvOkAnF5WYEJCM2VBqyyNEBBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-20T12:41:51.490875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801observed abd3a00972e86487d01b0d2a0e517015...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:51.440992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801/manifest.jsonobserved 0db0a8cf7c3a5c080b87118dfec77713...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:51.391138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801/publication.mdobserved 736100c775cb1425f97ac332851c3a91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:51.177601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801/publication.txtobserved 81546cce6b4da66f960c0f6c5814c0c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:27.201839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801observed abd3a00972e86487d01b0d2a0e517015...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:27.189389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801/manifest.jsonobserved 0db0a8cf7c3a5c080b87118dfec77713...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:27.176852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801/publication.mdobserved 736100c775cb1425f97ac332851c3a91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:27.005293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001801/publication.txtobserved 81546cce6b4da66f960c0f6c5814c0c9...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|