OT-2026-000001963
Publication integrity record
Extension/contraction device and wire tensioning device
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-2026-000001963) never changes.
Identity and time
| Publication number | OT-2026-000001963 · never reused |
|---|---|
| Internal UUID | 01a0a679-b00c-7891-8bbd-fe644ba10140 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:47.917802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001963 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b3aa7d1577ecd15cd45f5b194ad3a2322ea1fbe05ff1f230b1df9148fdd051e |
|---|---|
| Markdown | e8049dc9013aedf90cf6a4f0c0f7bedd466d126cca629a578709df42d05059db |
| Publication page | 13f9649a8a91e0287794934ff9c267b6c955b40c9c260ca279c314e7a3687109 |
| Manifest | 006c49071277aff9c3f09aefcd5a3ef85c6836eb03e853b0790be9ad738d5005 |
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 | LhmS8T+vPqxeGzHJF9dbgh8A4Kh5QISPXjtff8XkL0iLzu4KCDUTtxjX4xJ8Qn3m3nyQsCxgAAxFagIL6i3XAg== |
| 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
| 2026-09-15T19:10:06.405961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001963observed 13f9649a8a91e0287794934ff9c267b6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:10:06.378313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001963/manifest.jsonobserved 006c49071277aff9c3f09aefcd5a3ef8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:06.365442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001963/publication.txtobserved 4b3aa7d1577ecd15cd45f5b194ad3a23...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 |
|---|