OT-2026-000031969
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000031969) never changes.
Identity and time
| Publication number | OT-2026-000031969 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7816-97d6-5e8edabbf701 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031969 |
| Status | PUBLIC |
Content hashes
| Canonical text | 14b96a125426c390cc1c9cf55c8c7b44bd3b884765827675b48e8d8e2992d114 |
|---|---|
| Markdown | 15ac15eb5fce5ac4dd230d88bdf6a3c9c6e0021439484e367301e9b0615c9ec3 |
| Publication page | 663ba535f00c30c56ec0cc6b3cf48cb88d0f1242d75c3fab3aa5e19a0c79514b |
| Manifest | 01203b8d973143dc7858aec9af011ed87eb665198ef9c65ee312a8e86552126d |
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 | lPxxHpa11g7e8J7tiPF7ssyK46zvCol2dgBWbwDzyOuvzQwYgH647OGOm2xYtTpHlgIwmwM8GLYoLvr0HGktDQ== |
| 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
| 2026-09-17T11:35:15.765956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031969observed 663ba535f00c30c56ec0cc6b3cf48cb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:15.746822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031969/manifest.jsonobserved 01203b8d973143dc7858aec9af011ed8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:15.728467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031969/publication.mdobserved 15ac15eb5fce5ac4dd230d88bdf6a3c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:15.709423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031969/publication.txtobserved 14b96a125426c390cc1c9cf55c8c7b44...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. |
|---|