OT-2026-000002069
Publication integrity record
Systems, devices, and methods for a hydraulic robotic arm
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-2026-000002069) never changes.
Identity and time
| Publication number | OT-2026-000002069 · never reused |
|---|---|
| Internal UUID | 01a0a67a-66b4-715a-aa95-41536c252680 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:34.677395Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002069 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa22795b39958fad8c8635bc5c6b27fede619ca3ee387727a2220a20ca17be84 |
|---|---|
| Markdown | 57cea2947abac7149f151f3a4f0018bec194947415e4e3ea316eebeacdbf2ac1 |
| Publication page | 9bfa6d45cca85fd92b7b7150aa6db357468ce257a7376d3f4cefbf5cd724804d |
| Manifest | a083887d404fbad23c0b3abfce81a50be96b05251b0a67b8cb88447e5c70ca0e |
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 | QqLiefvO74vADPWt2Lpm+1jM0hkgGZXF6ECuU3GrDvF9E3pfnQVVLatogvlGoDi/CLrr95peyAsyYjPzcVcNCg== |
| 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
| 2026-09-15T19:50:28.587851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002069observed 9bfa6d45cca85fd92b7b7150aa6db357...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:28.559459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002069/manifest.jsonobserved a083887d404fbad23c0b3abfce81a50b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:28.423744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002069/publication.txtobserved aa22795b39958fad8c8635bc5c6b27fe...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 |
|---|