OT-2026-000090418
Publication integrity record
Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
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-2026-000090418) never changes.
Identity and time
| Publication number | OT-2026-000090418 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-79ca-87a7-e0675b37a278 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090418 |
| Status | PUBLIC |
Content hashes
| Canonical text | b65cc5be8d5b5d92a8e9ff0b4ee7dda612ad733b11e1d008db1346e62c356da5 |
|---|---|
| Markdown | 7cacbe4c09d82c22febac4adf89dd8e64f4f05e989df8e6df2fdfe4410d5a58c |
| Publication page | 4c66fcc4e9485b6026b8ce31dfaef2b5f44ff5d2603a4257af1cebacfcf88378 |
| Manifest | a82a27ffde433772b7248de25a3fd181dd0e0225736e167af9de7a8c3db30df1 |
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 | Eg8w4cGDFgwJOnlbQlMKnLNoQfv0OJBxXT/cyrT+FiH/WKL71kyh8HACQAZ/ovGVVZ12yBwZXKZJntOlnSxYAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:31.980272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090418observed 4c66fcc4e9485b6026b8ce31dfaef2b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:31.962644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090418/manifest.jsonobserved a82a27ffde433772b7248de25a3fd181...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.945642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090418/publication.mdobserved 7cacbe4c09d82c22febac4adf89dd8e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.926962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090418/publication.txtobserved b65cc5be8d5b5d92a8e9ff0b4ee7dda6...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. |
|---|