OT-2026-000000920
Publication integrity record
Variable stiffness joint structure and continuum robot including the same
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-2026-000000920) never changes.
Identity and time
| Publication number | OT-2026-000000920 · never reused |
|---|---|
| Internal UUID | 01a0a674-0160-7d7c-ac24-f2fe6742880e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:35.521226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000920 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e278c96e0edccae563aa956d2213a95f8d04d1e2dca6b7df42c3c1bec0133a8 |
|---|---|
| Markdown | a9e44939c09d70c3d873518aab022c265cc53667232cd34b686de2fb48e10f4e |
| Publication page | edebb5f36651af6cc774f027ceb9608e56f83858e621556d1b26b48dee469302 |
| Manifest | 08e4260fa2189b923dc3125ac531c13e398f86dbf5d14331ecff3494a2ea9fbc |
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 | es5XLH4Uxyn1B0mkUNl1AzUDvUhcGXkc4LS2n3fnp4cSdwRcy+3Se5bgJwiDWWLGOMBazkIgEtywtEduIfYHDA== |
| 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
| 2026-09-16T12:42:10.222825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000920observed edebb5f36651af6cc774f027ceb9608e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:42:10.044916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000920/manifest.jsonobserved 08e4260fa2189b923dc3125ac531c13e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:09.853762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000920/publication.mdobserved a9e44939c09d70c3d873518aab022c26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:09.605936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000920/publication.txtobserved 2e278c96e0edccae563aa956d2213a95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:19.688985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000920observed edebb5f36651af6cc774f027ceb9608e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:19.659325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000920/manifest.jsonobserved 08e4260fa2189b923dc3125ac531c13e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:19.645710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000920/publication.txtobserved 2e278c96e0edccae563aa956d2213a95...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 |
|---|