OT-2026-000003405
Publication integrity record
Positive seal coupling internal joining press
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-2026-000003405) never changes.
Identity and time
| Publication number | OT-2026-000003405 · never reused |
|---|---|
| Internal UUID | 01a0a6bc-e13b-7113-b82a-aec57b38bc38 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:23:11.419990Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003405 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0af161e6d6754ff1a1b5c513a31d5fe6658f710a58052ef96ca6fcfd32478c40 |
|---|---|
| Markdown | 0730290447f6eda4e3afb22e3d959cb1b7fd189c9dd99dea90a7f80361d1ecad |
| Publication page | 816561d231f02230ceba445132be809311843c17c8647073f28d96fdd6b3f6a8 |
| Manifest | b43d1eff706104a78c007df4239032488022eb2e9cafd1fec67d0607f82a7d0a |
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 | 4bgwlsiWP1VZyO7mYROYBSalpPJs6+Y5/2YPzTsVwZDEiqcKytOowNyEBrHqV0VmXAJCuBZInAfMVFvDVcDIDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-16T00:43:16.864214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405observed 816561d231f02230ceba445132be8093...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T00:43:16.647415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405/manifest.jsonobserved b43d1eff706104a78c007df423903248...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:16.503876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405/publication.mdobserved 0730290447f6eda4e3afb22e3d959cb1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:16.369792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405/publication.txtobserved 0af161e6d6754ff1a1b5c513a31d5fe6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:49.761027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405observed 816561d231f02230ceba445132be8093...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:49.262384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405/manifest.jsonobserved b43d1eff706104a78c007df423903248...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:49.009252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405/publication.txtobserved 0af161e6d6754ff1a1b5c513a31d5fe6...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:09.227963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003405observed 816561d231f02230ceba445132be8093...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 |
|---|