OT-2026-000002225
Publication integrity record
High stiffness bar with internal actuators and internal cabling
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-2026-000002225) never changes.
Identity and time
| Publication number | OT-2026-000002225 · never reused |
|---|---|
| Internal UUID | 01a0a67b-52a9-777a-91d1-c38bc683f9a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:11:35.081880Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002225 |
| Status | PUBLIC |
Content hashes
| Canonical text | 67a50bf299d6cd1a76326e58788064bfb8e3edb72030e825e638c1d5a18f644d |
|---|---|
| Markdown | 2794c78102bd161561bc46601aa4b67efefca3dea7c12b72059793aefe0186fb |
| Publication page | 59049680813fcb3a9d80a83c52082e63137e0a9dcba69c72cc50ed6791a23428 |
| Manifest | c41b9d1e1ee1ba86a889858a2f91a46b51ed43d4df1f675170f23c32ddaaff0a |
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 | b4dYEJW22V/trvUnX198yUmwDJF4s9lhuMTHZ9RAoQ3MK4WU7W4LIUwKCHTA5Ihu/NZJpZANvdsBgnzyBqmnAg== |
| 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
| 2026-09-15T19:50:11.588736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002225observed 59049680813fcb3a9d80a83c52082e63...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:11.559582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002225/manifest.jsonobserved c41b9d1e1ee1ba86a889858a2f91a46b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:11.423036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002225/publication.txtobserved 67a50bf299d6cd1a76326e58788064bf...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 |
|---|