OT-2026-000001439
Publication integrity record
Lift systems and supporting collars for lift systems
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-2026-000001439) never changes.
Identity and time
| Publication number | OT-2026-000001439 · never reused |
|---|---|
| Internal UUID | 01a0a676-121b-7dee-8185-d81797852e12 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:50.875994Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 676de1afdc43611d443f218fc2706e0e57fa5cba43b832ec15d0d92a3d2075ca |
|---|---|
| Markdown | 56fc017b16b60f59b3f8f62e715c4b676d8bb24b376f6cd78889ce96295606ea |
| Publication page | 8b4b06c3e05132fa542dc1c9234b050776fd3b4efbbe2338d1872edd3c2cb9ed |
| Manifest | 263dc02b3b1984257606b6c20bd6f35e0788fab84fa992784f764f2447b3bf2c |
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 | U6X/0EuRGpOgt3vUdkFiSdBiDp57NS0cJSrUpvOXV41I2jIOKPcfqSi9N4BWBWxXxPMw80e3OJKYrY2VTM0/AQ== |
| 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
| 2026-10-09T04:23:14.934263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439observed 8b4b06c3e05132fa542dc1c9234b0507...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T04:23:14.919367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439/manifest.jsonobserved 263dc02b3b1984257606b6c20bd6f35e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:14.903951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439/publication.mdobserved 56fc017b16b60f59b3f8f62e715c4b67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:14.770318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439/publication.txtobserved 676de1afdc43611d443f218fc2706e0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:34.860427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439observed 8b4b06c3e05132fa542dc1c9234b0507...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:34.739942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439/manifest.jsonobserved 263dc02b3b1984257606b6c20bd6f35e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:34.600180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439/publication.mdobserved 56fc017b16b60f59b3f8f62e715c4b67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:34.399290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001439/publication.txtobserved 676de1afdc43611d443f218fc2706e0e...fetched by grabo-systems from 34.44.131.203, 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 |
|---|