OT-2026-000006542
Publication integrity record
Vacuum cup gripper, three zone face, two outlet manifold, pump fed, vented after 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-2026-000006542) never changes.
Identity and time
| Publication number | OT-2026-000006542 · never reused |
|---|---|
| Internal UUID | 01a0a95e-d5a7-72a8-a3f2-53f4b96486f2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:39:19.722786Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006542 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3db837b911ee8d98ee23294dbf9910e10579c03b0e51785f30f01815e1f7e40 |
|---|---|
| Markdown | 3cfa530eb0106e37a0aca8fffbb41038e99b9e8e481a3293969e27196dd73e6e |
| Publication page | 0d17c189c20f8235d8b5d45d6d8d6dd9b55259d9248f394ad621a59a2514db38 |
| Manifest | 08ccf94e8c7cc32175185da3296e26ce7482ec1ccf24c97c09eba9668f35cff7 |
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 | vA21EIA4RPyb5qRiZvy79fip6M/WpzheQjXegZw38zcTxVQ4poJ0Z1Z+4rC4bkt0l+Mj+1TpOsvhVGt5KT5zBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:05.195486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006542observed 0d17c189c20f8235d8b5d45d6d8d6dd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:05.180628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006542/manifest.jsonobserved 08ccf94e8c7cc32175185da3296e26ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:05.164832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006542/publication.mdobserved 3cfa530eb0106e37a0aca8fffbb41038...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:05.146059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006542/publication.txtobserved d3db837b911ee8d98ee23294dbf9910e...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. |
|---|