OT-2026-000002558
Publication integrity record
Robotic device with compact joint design and an additional degree of freedom
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-2026-000002558) never changes.
Identity and time
| Publication number | OT-2026-000002558 · never reused |
|---|---|
| Internal UUID | 01a0a67d-6444-7d46-96ba-defe0c6eed83 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:50.660992Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002558 |
| Status | PUBLIC |
Content hashes
| Canonical text | fea0e88c1682b15e0d2e6057e7e2ce964ca6c17e64febbe6c6a8e8a6293a01cf |
|---|---|
| Markdown | 6fa7cc634b501b06e2df3b197b86f43cdd1afb372f540d49396e1989a54143bf |
| Publication page | 7a6488264643d508d587862634e4918f08bad870c6bb93b42d7bfe110ee2927c |
| Manifest | 5886269765e6805b15f360de9de4ca81c14e167e5a101d38f0c8b964b3471515 |
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 | +nMlXGT9mFrcHQib/ODl/WCubaT2VaZ0bOhivv+5hG3iubCr6IOcLivn5r4umiGOsi6y5A3rO27LN2Z0xtCtAg== |
| 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
| 2026-09-15T19:30:32.940613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002558observed 7a6488264643d508d587862634e4918f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:32.908459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002558/manifest.jsonobserved 5886269765e6805b15f360de9de4ca81...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:32.895029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002558/publication.txtobserved fea0e88c1682b15e0d2e6057e7e2ce96...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 |
|---|