OT-2026-000003296
Publication integrity record
Measurement system for hand tools
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-2026-000003296) never changes.
Identity and time
| Publication number | OT-2026-000003296 · never reused |
|---|---|
| Internal UUID | 01a0a6ab-ac09-7ad7-90f2-6ab5377f301a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:04:23.689962Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003296 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0219ffe2187c7e8492ad09f1bc63f484444e09f581fa253298f13702c734a5ac |
|---|---|
| Markdown | 2baf0d44e2689f8f606b4708eb0ffe34f0ad3d49dc2f63bbeb8826e73c58d932 |
| Publication page | 2aab0cad2a072758d0d7ec017918d8438b27b65744c54d61e9caff1cbb541c6b |
| Manifest | d953c2de6dffe2ab6c6e32775e3f940521861332d43f16332cb80ad9a44662e7 |
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 | 3B8fKqwg7RY//fwRDxEmGrvrRjnOK3X9nXw6eAmgxiksf6M2Mug5NcljU+e6DUoFOwH9m06sjCAqr98kcD3RAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-15T20:41:29.714094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003296observed 2aab0cad2a072758d0d7ec017918d843...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:41:28.738380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003296/manifest.jsonobserved d953c2de6dffe2ab6c6e32775e3f9405...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:41:28.301857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003296/publication.txtobserved 0219ffe2187c7e8492ad09f1bc63f484...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:07.082185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003296observed 2aab0cad2a072758d0d7ec017918d843...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:06.966187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003296/manifest.jsonobserved d953c2de6dffe2ab6c6e32775e3f9405...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:06.829118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003296/publication.txtobserved 0219ffe2187c7e8492ad09f1bc63f484...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 |
|---|