OT-2026-000001318
Publication integrity record
Method for measuring and analyzing packages for storage
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-2026-000001318) never changes.
Identity and time
| Publication number | OT-2026-000001318 · never reused |
|---|---|
| Internal UUID | 01a0a675-3d1d-72f5-9a83-15b61f999ffb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:56.349691Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001318 |
| Status | PUBLIC |
Content hashes
| Canonical text | b737e2050729715920c48328351c92720254082f9f736535b18f1502d7963fc4 |
|---|---|
| Markdown | e043ea918466034c692e8e05769ddd3368d07672251d40da24c58c2bcf39e3d4 |
| Publication page | 9075d747b44101e4bc39572b66dbe60d18ef2bd2e34965412bf0a9d3149fccca |
| Manifest | 13ea64f2a85b6fb6ec1a0ab197141b645c7fe186bfdee079a5ad315553d4b820 |
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 | N3ywfPRir64SrV5Wd8Q1WFyKVIjgwm5bOCfgpb5e0qg/6T7uELjIf+/O/pNcShEYoCjqwxQMlWj2dS1fmykjAA== |
| 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
| 2026-10-29T08:42:15.776610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318observed 9075d747b44101e4bc39572b66dbe60d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T08:42:15.709929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318/manifest.jsonobserved 13ea64f2a85b6fb6ec1a0ab197141b64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:42:15.643735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318/publication.mdobserved e043ea918466034c692e8e05769ddd33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:42:15.556840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318/publication.txtobserved b737e2050729715920c48328351c9272...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:26.087420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318observed 9075d747b44101e4bc39572b66dbe60d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:25.834268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318/manifest.jsonobserved 13ea64f2a85b6fb6ec1a0ab197141b64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:25.538269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318/publication.mdobserved e043ea918466034c692e8e05769ddd33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:25.397500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001318/publication.txtobserved b737e2050729715920c48328351c9272...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 |
|---|