OT-2026-000002241
Publication integrity record
Control device for a rotating cylinder using multiple beveled wheels
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-2026-000002241) never changes.
Identity and time
| Publication number | OT-2026-000002241 · never reused |
|---|---|
| Internal UUID | 01a0a67b-6b59-7f04-a5af-a4df6bb76c7d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:11:41.401658Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002241 |
| Status | PUBLIC |
Content hashes
| Canonical text | 593137810203d0b5a49874ffef25da4ff603d22b4692753c540caf6bb2eecd64 |
|---|---|
| Markdown | fbf7bc37aec30d9a802014ec5cf7ac0880f3a35bf21e9d997caa814cde68cf9a |
| Publication page | 1b5a3fd8d705390ef93fa0ce2484cfd66bcd5ab922d9d75d072c9d2ee90858a3 |
| Manifest | 3541151fbd977b7fc0a2de63b75f8b61207642f19626e4f0d986a4d7ef6bdf88 |
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 | u0EzoBs1uIxPnecMBAvMvcIcjuwkIB6adJcV8ERnvVA9csxBW44NWyZIxNtYTo/vpbYBv4qVXNk6KM7c0ptZBw== |
| 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
| 2026-09-17T04:43:58.968089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241observed 1b5a3fd8d705390ef93fa0ce2484cfd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:43:58.650991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241/manifest.jsonobserved 3541151fbd977b7fc0a2de63b75f8b61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:43:58.499959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241/publication.mdobserved fbf7bc37aec30d9a802014ec5cf7ac08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:43:58.314812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241/publication.txtobserved 593137810203d0b5a49874ffef25da4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:23.519583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241observed 1b5a3fd8d705390ef93fa0ce2484cfd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:23.377655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241/manifest.jsonobserved 3541151fbd977b7fc0a2de63b75f8b61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:23.238510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241/publication.mdobserved fbf7bc37aec30d9a802014ec5cf7ac08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:23.042900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002241/publication.txtobserved 593137810203d0b5a49874ffef25da4f...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 |
|---|