OT-2026-000001987
Publication integrity record
Pan cleaning system and improved cleaning stations
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-2026-000001987) never changes.
Identity and time
| Publication number | OT-2026-000001987 · never reused |
|---|---|
| Internal UUID | 01a0a679-dd9a-7ad2-9b7d-ea377a5b55ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:59.578449Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001987 |
| Status | PUBLIC |
Content hashes
| Canonical text | 030878b931ee4e8d9b35988af4dc5dad9fd425c8175c7d59463e2db521b479ec |
|---|---|
| Markdown | 6ae16cd84a00156b5cdcaa66d4814d4f2e1e9ded886d7b8fc133fba39ee81515 |
| Publication page | 8a74be8791cb572fd0716cadf865c65414ad928acc756ecdecd3c812ed7047a7 |
| Manifest | f897b3d85881a0dc3e959dae4920e9c6e6153767cbf0af5f282bd4c10b87b4bf |
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 | XTfQnYpn2RXEMifYUipf59V3KN9/ZXfPzAreCJG5jNneLUFe5oLVJfrdRzvzhRd3DNwJz0zLijHSXNRn4/fcBw== |
| 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
| 2026-09-15T19:10:03.686463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001987observed 8a74be8791cb572fd0716cadf865c654...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:10:03.656406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001987/manifest.jsonobserved f897b3d85881a0dc3e959dae4920e9c6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:03.644854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001987/publication.txtobserved 030878b931ee4e8d9b35988af4dc5dad...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 |
|---|