OT-2026-000002887
Publication integrity record
Crane and control method therefor
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-2026-000002887) never changes.
Identity and time
| Publication number | OT-2026-000002887 · never reused |
|---|---|
| Internal UUID | 01a0a67f-5b21-7cfb-b6df-167fb0d7d7d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:59.393761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 331fa10fe8a5699347cc59623f8118ff00581ce893aa4ee4dba9e332e44137d5 |
|---|---|
| Markdown | c99931337a05ab100506f9fa4b4e639be80da7593961f2136e978cc46a998704 |
| Publication page | e448fcb8e2f67eaa2ee9102efa967ec71881acbe6d5baa1a3f9b11a3f1e6c81a |
| Manifest | 6245e54a96c117e74011880a293b3f0bd0d991162fadf2e8fffb19d542a9b301 |
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 | T4QBnAyafekVXhcMmn42cjglBGvqau2iYnXKiMd3seq2Vxl6b0BjAb19DaGrk/GmJ8XIwhl9OgOKop3jAEmbCQ== |
| 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
| 2026-10-24T08:41:15.452274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887observed e448fcb8e2f67eaa2ee9102efa967ec7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T08:41:15.392729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887/manifest.jsonobserved 6245e54a96c117e74011880a293b3f0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:15.324685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887/publication.mdobserved c99931337a05ab100506f9fa4b4e639b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:15.070211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887/publication.txtobserved 331fa10fe8a5699347cc59623f8118ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:48.018910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887observed e448fcb8e2f67eaa2ee9102efa967ec7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:47.912122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887/manifest.jsonobserved 6245e54a96c117e74011880a293b3f0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:47.846239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887/publication.mdobserved c99931337a05ab100506f9fa4b4e639b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:47.777579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002887/publication.txtobserved 331fa10fe8a5699347cc59623f8118ff...fetched by grabo-systems from 34.44.131.203, 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 |
|---|