OT-2026-000000221
Publication integrity record
Overhead traveling carrier with left and right arms and supports
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-2026-000000221) never changes.
Identity and time
| Publication number | OT-2026-000000221 · never reused |
|---|---|
| Internal UUID | 01a0a673-1f22-742a-b640-feeed65372bb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:37.603155Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83f1cfe8ad44fd87890d5fd41a944a1e9ccd0cee33eaebbee69ceb075e33e3d1 |
|---|---|
| Markdown | 5ea0fe37e84c2c3eb3703a69f63c8c4be96225ea7f3d3aef19bb7636b97efa8f |
| Publication page | 1c6cc3208897bb8182594229195257235c9f379f083b3523367b3964e5da15a9 |
| Manifest | 498df9cadd8e17c5624d7cc11b25ad6138ad396bc3f69cadcaab50afab24b5eb |
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 | kctRiNyxVz1b5r4kiqLvvbyJ47q6/Bw7Us8gBvZpvsbZZIPxl0EIlDZrmNn44c0ikYYdBR4RCkCVUcbdHHYeBw== |
| 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
| 2026-09-28T20:41:11.887368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000221observed 1c6cc3208897bb818259422919525723...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T20:41:11.778507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000221/manifest.jsonobserved 498df9cadd8e17c5624d7cc11b25ad61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:11.677209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000221/publication.mdobserved 5ea0fe37e84c2c3eb3703a69f63c8c4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:11.552933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000221/publication.txtobserved 83f1cfe8ad44fd87890d5fd41a944a1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:35.248654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000221observed 1c6cc3208897bb818259422919525723...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:35.097868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000221/manifest.jsonobserved 498df9cadd8e17c5624d7cc11b25ad61...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:35.084496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000221/publication.txtobserved 83f1cfe8ad44fd87890d5fd41a944a1e...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 |
|---|