OT-2026-000028947
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000028947) never changes.
Identity and time
| Publication number | OT-2026-000028947 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7a52-b219-59c5d7d31955 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028947 |
| Status | PUBLIC |
Content hashes
| Canonical text | f182e50e7da5d9b7ffc5f0feebaa6c2b7582d24ab84a666f710d30fa3ed3201e |
|---|---|
| Markdown | 0fe6261ff9c2e8b979033033389240a7f1f460356ff18d95e6b067befdd32f5d |
| Publication page | 5068b394cbd1f4cd7241aa4afdd6ae582b4b9f8b9afabc7ae87099964fae8703 |
| Manifest | d92490fcf2633191f5debeadc7fe4421ca30a2949fc29198df6fcbb20b1bc5d4 |
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 | /ZXqO32gIdYMQafSqxUWpQ4Ux5xLGcKCX4qFFqeRudSjv4tXEXZfSuQ+W+pE0+gMZNqNyRaACt93lumhH0U9DQ== |
| 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
| 2026-09-17T08:20:24.956999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028947observed 5068b394cbd1f4cd7241aa4afdd6ae58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:24.939249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028947/manifest.jsonobserved d92490fcf2633191f5debeadc7fe4421...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.797346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028947/publication.mdobserved 0fe6261ff9c2e8b979033033389240a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.781225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028947/publication.txtobserved f182e50e7da5d9b7ffc5f0feebaa6c2b...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. |
|---|