OT-2026-000004050
Publication integrity record
Porous face vacuum gripper, ejector fed, contact triggered on the face
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-2026-000004050) never changes.
Identity and time
| Publication number | OT-2026-000004050 · never reused |
|---|---|
| Internal UUID | 01a0a90d-378c-7da9-a449-f1c1f801b62f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:10:10.831441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004050 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd02da0e8444657b84c1c34d4413654ea8807e8a35cbd9bbe1ff4fdd0bb229da |
|---|---|
| Markdown | d6c762fcaada369097bbba0097bcd40716b0d83476e9cbe9a9204e2459befd82 |
| Publication page | dca438175ec90bd3c1b040ee73948063ebec56b28c39426110a9a50a3488fbf4 |
| Manifest | 1cd1f9fa6211963da7c33921f752639da72cb92dc065a65ceaa3fcdcb09b0344 |
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 | LhsqfmAtHpqvy3ITWQMKxXfAcXE0oWS33X23glM9Nr1Chbmy5eAtQb/cMKQGd6hIbf5HSjyvwkeG2/5UjtXdDw== |
| 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
| 2026-09-16T07:40:33.919447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004050observed dca438175ec90bd3c1b040ee73948063...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:33.907171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004050/manifest.jsonobserved 1cd1f9fa6211963da7c33921f752639d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.895100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004050/publication.mdobserved d6c762fcaada369097bbba0097bcd407...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.882336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004050/publication.txtobserved cd02da0e8444657b84c1c34d4413654e...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. |
|---|