OT-2026-000019881
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000019881) never changes.
Identity and time
| Publication number | OT-2026-000019881 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7cac-94e2-1293fbb166fd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019881 |
| Status | PUBLIC |
Content hashes
| Canonical text | c915efcbe18f326dd6f5e131f865d37ab7a568bc9ece7827ba05a26c68ee7e31 |
|---|---|
| Markdown | 6cc24d77137469ff0829858fd4271018ab3a040bb414b213550071539c8e7ef0 |
| Publication page | bc1e7951ed0566f1587ce14f7941b37e225bd49b4db2f6d3225506d1d8281fb3 |
| Manifest | 4d15390910e4bc70448b3b5f36da506ef5e95149586adfe2a7d9cf81f90bfe71 |
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 | uLwWVH9JMCnRSbJGEvZR9hpbhEmxrCZIt6SbAYI6iZcBh8Y43mdQqhaDODaHpUu6Zk+oIv1pN4xjqW/w6vWBBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:58:05.129550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019881observed bc1e7951ed0566f1587ce14f7941b37e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:05.112616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019881/manifest.jsonobserved 4d15390910e4bc70448b3b5f36da506e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.093734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019881/publication.mdobserved 6cc24d77137469ff0829858fd4271018...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.075442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019881/publication.txtobserved c915efcbe18f326dd6f5e131f865d37a...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. |
|---|