OT-2026-000000888
Publication integrity record
Internal cooling system for precision turning and control method thereof
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-2026-000000888) never changes.
Identity and time
| Publication number | OT-2026-000000888 · never reused |
|---|---|
| Internal UUID | 01a0a673-f67b-7c07-8f2a-0fae351a5a73 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:32.732298Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000888 |
| Status | PUBLIC |
Content hashes
| Canonical text | c926ef4c24d8e9ae00e04a8caa3b5b22d0be656594ef0d0f30253fbb4eeaa3cd |
|---|---|
| Markdown | 2d9af8b8e315c5b6a78bf64a3f51823fa84900bebfe9ccb04ba17d501e23f773 |
| Publication page | 453d29c09946139e95b3da5cdd788b7833ed388594cb0b1487b3de7a9168112e |
| Manifest | d058624a86456df4434043caa5ff2abb47c2566e96002574663234f49e340c8b |
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 | eyB9PzXKJ4Jc8SU9pFlWpXx3ctg6YGO9uFIsPAR3/BhYT+j6/go8nOqrcR84okIiWm7zGKtTPqGlWFcE+sd5Ag== |
| 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
| 2026-09-29T04:41:45.648115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888observed 453d29c09946139e95b3da5cdd788b78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T04:41:45.578547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888/manifest.jsonobserved d058624a86456df4434043caa5ff2abb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:45.485290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888/publication.mdobserved 2d9af8b8e315c5b6a78bf64a3f51823f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:45.352909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888/publication.txtobserved c926ef4c24d8e9ae00e04a8caa3b5b22...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:07.282836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888observed 453d29c09946139e95b3da5cdd788b78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:07.214400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888/manifest.jsonobserved d058624a86456df4434043caa5ff2abb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:07.139308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888/publication.mdobserved 2d9af8b8e315c5b6a78bf64a3f51823f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:06.921105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000888/publication.txtobserved c926ef4c24d8e9ae00e04a8caa3b5b22...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 |
|---|