OT-2026-000002690
Publication integrity record
Multiple brake hoist for overhead crane
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-2026-000002690) never changes.
Identity and time
| Publication number | OT-2026-000002690 · never reused |
|---|---|
| Internal UUID | 01a0a67e-2c36-71fd-a74d-3dd8558141d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:41.847055Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002690 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee985a239135acbd01d095c616179d93c8ad61d88776aec4c2c018d98cd4a71e |
|---|---|
| Markdown | 6d5d82042f1c793755f7336cd1999fbbab07ab35ab3ddf92246cfc20cb044365 |
| Publication page | 4cdcfc813cabc812f9b1f66d218dbd338f4d40449442cc3daba7947962b6098d |
| Manifest | d43d95bd10f27c59ab94c86ae7baacff9b9f1dd7c7d23472e9b02d334966c079 |
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 | tu/MpJ80FfSAJOUpm+WZ0OILWHdKvTPy1Op3YXmxikwwvD3JH6h7J8AMWFkLx1fzsmmHVIekaChrqnlqizVKDA== |
| 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
| 2026-09-15T19:30:16.181556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002690observed 4cdcfc813cabc812f9b1f66d218dbd33...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:16.146096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002690/manifest.jsonobserved d43d95bd10f27c59ab94c86ae7baacff...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:16.124997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002690/publication.txtobserved ee985a239135acbd01d095c616179d93...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 |
|---|