OT-2026-000000057
Publication integrity record
In-line Metrology Station with Reorientation for Error Separation
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-2026-000000057) never changes.
Identity and time
| Publication number | OT-2026-000000057 · never reused |
|---|---|
| Internal UUID | 01a0a4ec-971c-70e3-9331-2551b6440ede · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T11:56:03.743288Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000057 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a6ba325ba35a94b208a752188282c4ce9fc01f6338d72de6b57a951ef773c29 |
|---|---|
| Markdown | 4b95cd82b091d14220bfe03f692ac6597bbb02767b8358231b6c141b7df890f1 |
| a249eec4d9fc500f4f6d2f300b614c6a616e6c172593c85eca0eab4b08403285 | |
| Publication page | 4a47e576550184f967ec7da791e6460f09b6d5200b7c5ed598a67658193bc515 |
| Manifest | b2a878a352578baa2fcbfae3d0f25cf89c49210ab28c18546f31a8fc685ee9a4 |
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-2026-02 · Verified |
|---|---|
| Signature | HPIOljpJqCDnvDwva9ifq7aW4TEp+ILLb75q6+vW6ees4l8IdHGgftoYo+Kne3nq92UZkzxdwhEDLbL5kLTACA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T12:03:59Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root 374ac7be5b27e8fbd4755a00ec69d4c7... |
|---|
Independent retrieval
| 2026-09-15T12:41:31.638275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057observed 4a47e576550184f967ec7da791e6460f...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T12:41:31.386598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057/publication.pdfobserved a249eec4d9fc500f4f6d2f300b614c6a...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:31.245733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057/manifest.jsonobserved b2a878a352578baa2fcbfae3d0f25cf8...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:31.106724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057/publication.txtobserved 9a6ba325ba35a94b208a752188282c4c...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:02.841429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057observed 4a47e576550184f967ec7da791e6460f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:02.826934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057/publication.pdfobserved a249eec4d9fc500f4f6d2f300b614c6a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:02.805913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057/manifest.jsonobserved b2a878a352578baa2fcbfae3d0f25cf8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:02.766143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000057/publication.txtobserved 9a6ba325ba35a94b208a752188282c4c...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.zstf5540ade9ee87306569c02456843c15d... · 9,431,008 bytes · held by held on site pending an external custodian · retention permanent |
|---|