OT-2026-000000428
Publication integrity record
Automatic tensioning apparatus and method of use
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-2026-000000428) never changes.
Identity and time
| Publication number | OT-2026-000000428 · never reused |
|---|---|
| Internal UUID | 01a0a673-58d5-744c-8bb4-39d1dc6bf9ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:52.373886Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49b2e61a2b3e26227579fd62c224818a51bf642613fa0754d29bfeca0de334f5 |
|---|---|
| Markdown | 56454e8d5c6c85b4924b027b55673633116ba0383c068ff10687949bc8e4fe71 |
| Publication page | 50c085241696435c2a0ac50389df6b6fce8af12fae4cb752020eb84e9bc38282 |
| Manifest | a3c284aba6a4c1be4dddf63577a4edc11257113df4c5ab01b17433735eec5f3e |
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 | I5mUKWUYkrRzH0KMgdK5BCAdkt27rrGqqEn1zEf7CPcL3XqtOUPQjTOv2AOyvub+r1SY59bFmn8rZ1P/b9fOBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-16T04:23:18.518375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000428observed 50c085241696435c2a0ac50389df6b6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:23:18.507223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000428/manifest.jsonobserved a3c284aba6a4c1be4dddf63577a4edc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:18.494965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000428/publication.mdobserved 56454e8d5c6c85b4924b027b55673633...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:18.481460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000428/publication.txtobserved 49b2e61a2b3e26227579fd62c224818a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:11.013915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000428observed 50c085241696435c2a0ac50389df6b6f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:10.832683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000428/manifest.jsonobserved a3c284aba6a4c1be4dddf63577a4edc1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:10.818276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000428/publication.txtobserved 49b2e61a2b3e26227579fd62c224818a...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 |
|---|