OT-2026-000002060
Publication integrity record
Method and apparatus for servicing engines
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-2026-000002060) never changes.
Identity and time
| Publication number | OT-2026-000002060 · never reused |
|---|---|
| Internal UUID | 01a0a67a-58fe-7971-b67f-af10b6eb4cd5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:31.167260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002060 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a3cadb33c2708f6b4ad69cfe2435452712cca87cd6e70d3f7b51a001b9cc162 |
|---|---|
| Markdown | 9b1cde361a62095d107be09c29a3ccb3008521194db657191eaefb3736d63cb0 |
| Publication page | 014e9eda8bacbbb51f9ea561058677033f719ee83ec1be7d21a6c173ca8b0a77 |
| Manifest | af44825c9f1188069c01f53fd0a628849480720e1843f7774aec5f05d87b5c4e |
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 | ge/GOVOteEj/hjFgUS8zSTFTUMsL79q7TaD2wMxLnT4bFGA61GHXOxh4k6LenZ5JAth4/EN6f8MnxU9L0+W+Bw== |
| 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
| 2026-09-25T00:41:30.924542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002060observed 014e9eda8bacbbb51f9ea56105867703...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T00:41:30.868556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002060/manifest.jsonobserved af44825c9f1188069c01f53fd0a62884...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:30.740144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002060/publication.mdobserved 9b1cde361a62095d107be09c29a3ccb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:30.551164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002060/publication.txtobserved 5a3cadb33c2708f6b4ad69cfe2435452...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:29.570316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002060observed 014e9eda8bacbbb51f9ea56105867703...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:29.417307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002060/manifest.jsonobserved af44825c9f1188069c01f53fd0a62884...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:29.403894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002060/publication.txtobserved 5a3cadb33c2708f6b4ad69cfe2435452...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 |
|---|