OT-2026-000021421
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000021421) never changes.
Identity and time
| Publication number | OT-2026-000021421 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-79da-972c-6717ed5ef8eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 227e3a2455722aabad33dc21ac68cc252778680f09d6c0f9b80249f03247b979 |
|---|---|
| Markdown | 2342fd355f2eb4d9c0dd0a9745b2947cbeb899e93fb7b4c98acdc2b2ea64ecd5 |
| Publication page | 4d03c06d27d5f7a3ca754eaa734b7ed26a8ed8db2802cdc25a1e74b5bbb4f823 |
| Manifest | 1112d456eb53a5fe3a0022efe92ee97e5e754ca97a7afaccb468ad491d73cc24 |
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 | qOTsy9d9fFq6OPuMBkUJ08b4ciHnSvtfk/M+HqOyqiaW8SafkFU8IbyMZDoPo9bDLOWJKxaOWQCt+6RprbP+DA== |
| 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
| 2026-09-17T11:54:49.719064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021421observed 4d03c06d27d5f7a3ca754eaa734b7ed2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:49.701149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021421/manifest.jsonobserved 1112d456eb53a5fe3a0022efe92ee97e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.683677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021421/publication.mdobserved 2342fd355f2eb4d9c0dd0a9745b2947c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.665860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021421/publication.txtobserved 227e3a2455722aabad33dc21ac68cc25...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. |
|---|