OT-2026-000090300
Publication integrity record
Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090300) never changes.
Identity and time
| Publication number | OT-2026-000090300 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-7198-81ee-086eea173582 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090300 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e8d5c697f5d748fd0e56c9e2343a408929935d47515f6cfe3966686b0b3f39f |
|---|---|
| Markdown | 413ab3456242e9c29ff8f748eb6ee6a6f3ac31b468bd89bca35be29718577060 |
| Publication page | ef72d1a9d76e20a134e3c90286cd51485d59a792015232a92684a5df29e2160b |
| Manifest | 8ddf54027ca26ad2259d4e52aa33142889f5ae55f7e10d9d51e3b273b45afee7 |
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 | jEnNR4CC0O+kdeqtCVYK3y6jOOTM2spRQfqSWECVgUT7zJH8wbWk//H5BWr+p5/x0vlGZIdpIDZv1tFUuzphAQ== |
| 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
| 2026-09-17T09:46:23.257442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090300observed ef72d1a9d76e20a134e3c90286cd5148...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:23.239171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090300/manifest.jsonobserved 8ddf54027ca26ad2259d4e52aa331428...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:23.220907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090300/publication.mdobserved 413ab3456242e9c29ff8f748eb6ee6a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:23.204123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090300/publication.txtobserved 2e8d5c697f5d748fd0e56c9e2343a408...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. |
|---|