OT-2026-000030021
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000030021) never changes.
Identity and time
| Publication number | OT-2026-000030021 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac49-7773-bd2b-2e3a1cc37f91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 98a6839a41f6aca76438e7566f51d9ed0b443a722507dd79253cdee238b72376 |
|---|---|
| Markdown | 9d6b232881ed898d81e86b56d0bf442d1384c7e477f404dee538a6408f285f3d |
| Publication page | 8a4ef209b172ac6fecc8ea4337524f0d55b5d8aeb19c2500fcde31a1780ac644 |
| Manifest | fffa50791c1fbcabd28a969047942081d8bff0dcb26cfcd9b73bf0e2adc83f8a |
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 | nhU0s6RP8BQpZ4mHFLkDlDwMmWs0hWllRV+x5H3LyCYA6gtOkdq+5mlBIBYVtqRJKZf4HdwBAYVsSRfzh62iAA== |
| 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
| 2026-09-17T11:38:45.332457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030021observed 8a4ef209b172ac6fecc8ea4337524f0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:45.314924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030021/manifest.jsonobserved fffa50791c1fbcabd28a969047942081...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:45.297785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030021/publication.mdobserved 9d6b232881ed898d81e86b56d0bf442d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:45.281714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030021/publication.txtobserved 98a6839a41f6aca76438e7566f51d9ed...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. |
|---|