OT-2026-000003249
Publication integrity record
Coupling device for floor maintenance machines
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-2026-000003249) never changes.
Identity and time
| Publication number | OT-2026-000003249 · never reused |
|---|---|
| Internal UUID | 01a0a6a4-80f8-7bee-b5c1-354b7192fee8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:56:33.912826Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003249 |
| Status | PUBLIC |
Content hashes
| Canonical text | 420fc0c563c20499db19962ade3b02cd0e52e8a8af135b995b537ae0e269c817 |
|---|---|
| Markdown | d52d29297f0435efad300ac4a303c079d07ae8133c2aa33d16d74d9f4e082050 |
| Publication page | bb3f74c234332f8692d62329f417896531f29e5353c8f2bfd5f82c4540c97301 |
| Manifest | 79dfdca1bf0a9447f35acc7b4896d7519d47959bdb7920ff92cf113088ae0a3e |
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 | u8eUb1irj3xBoRuQZipRrCPSMxW3CUuAq7CLmoUwLk8EHsl1/zq10vpVH+WBDSGJlFTjb4trgMljbcIn9FZBCw== |
| 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
| 2026-09-28T04:23:30.759683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003249observed bb3f74c234332f8692d62329f4178965...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T04:23:30.747241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003249/manifest.jsonobserved 79dfdca1bf0a9447f35acc7b4896d751...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:30.717869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003249/publication.mdobserved d52d29297f0435efad300ac4a303c079...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:30.707155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003249/publication.txtobserved 420fc0c563c20499db19962ade3b02cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:05.949659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003249observed bb3f74c234332f8692d62329f4178965...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:05.918264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003249/manifest.jsonobserved 79dfdca1bf0a9447f35acc7b4896d751...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:05.906405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003249/publication.txtobserved 420fc0c563c20499db19962ade3b02cd...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 |
|---|