OT-2026-000004283
Publication integrity record
Magnetic end effector, contact triggered, stripped from the face, electromagnet
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-2026-000004283) never changes.
Identity and time
| Publication number | OT-2026-000004283 · never reused |
|---|---|
| Internal UUID | 01a0a913-211c-73f4-8fec-1233238c208f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:38.304169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004283 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63b64909335cf1bb5c02841ba4bacfd90141f6e30c53cc6000afa93855141b5b |
|---|---|
| Markdown | 6279f60a1e30be2f71ba5fc522f0ff5fd994ba184abe0ecb2efb843d946de730 |
| Publication page | c45fba43c7ccab7c1e4089d6e2dcd35191c90be05dbc8265084c0634f3b8a14f |
| Manifest | 973d7c308eadcd2e6ed8806d0a2b55e064f747a312abe4768f611108f64c4dd7 |
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 | whlG24O4B6KSvKZNUiOArhQ2uo5eny5gZ0ixCPcRY2fDbS9xTbCa0ZbroZFBZyc872Vn0rAh/HZSvYkGgrArAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:15.436026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004283observed c45fba43c7ccab7c1e4089d6e2dcd351...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:15.421292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004283/manifest.jsonobserved 973d7c308eadcd2e6ed8806d0a2b55e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.409147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004283/publication.mdobserved 6279f60a1e30be2f71ba5fc522f0ff5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.395599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004283/publication.txtobserved 63b64909335cf1bb5c02841ba4bacfd9...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|