OT-2026-000002855
Publication integrity record
Handling tool for medical equipment
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-2026-000002855) never changes.
Identity and time
| Publication number | OT-2026-000002855 · never reused |
|---|---|
| Internal UUID | 01a0a67f-2c60-7ed4-b420-77171939e92f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:47.424988Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002855 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc1af0ec39e884bbd116ccaef7c0b34388a407b72222c36cb480b86d7d88121a |
|---|---|
| Markdown | 562f5b4fbb534ef97754b91419dd05e98ce87f5595a33dfcb5454d004f5d7669 |
| Publication page | 809a756c322db9c11703d75471a18887f3bf1ce942ab3b6de808764a3356cfe6 |
| Manifest | 8073736e77eee1f12e7ff42ab485e93075f73b772c36ec04537d9a5b90e5762c |
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 | chuRpJzfR/CZEvS+9PwU2dxTWNfG5NGY+wORMt3tfw+1b2B1OhZf3zge/FhdWqVJxWrOCqWIIYBc6h1hH084Bw== |
| 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
| 2026-10-18T00:41:42.986792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855observed 809a756c322db9c11703d75471a18887...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T00:41:42.943609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855/manifest.jsonobserved 8073736e77eee1f12e7ff42ab485e930...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:42.896926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855/publication.mdobserved 562f5b4fbb534ef97754b91419dd05e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:42.797016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855/publication.txtobserved bc1af0ec39e884bbd116ccaef7c0b343...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:01.694843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855observed 809a756c322db9c11703d75471a18887...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:01.603286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855/manifest.jsonobserved 8073736e77eee1f12e7ff42ab485e930...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:01.491106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855/publication.mdobserved 562f5b4fbb534ef97754b91419dd05e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:01.291888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002855/publication.txtobserved bc1af0ec39e884bbd116ccaef7c0b343...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 |
|---|