OT-2026-000023689
Publication integrity record
Single cup vacuum gripper, three stage ejector, 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-2026-000023689) never changes.
Identity and time
| Publication number | OT-2026-000023689 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed4-74f9-b8ef-ef524c57110f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023689 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b28f71f3cea85a239f291dc75d1d5b00fb787754fcc5fcecda977f47057007f |
|---|---|
| Markdown | f7422b5c0026620aea6ee33fce8b61b140b9936b89ef5ba080f5995c458602ee |
| Publication page | af073b9d442a25953957c0d18c7e322cf7e182ac2b1777043af829e705e28c4f |
| Manifest | 955a86e6cdd80854e29b478fa23d6640b9768e164cd7a07517f820246b114f58 |
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 | hrb6gn7v12QTFwi7ZyV36LwJxmQ/UVIq0XvpTIebhLmI8dIxUf+nmaS1YCO3OxoQmaxjUZN/qAyzG6czFWW0DA== |
| 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
| 2026-09-17T11:50:01.009704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023689observed af073b9d442a25953957c0d18c7e322c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:00.991129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023689/manifest.jsonobserved 955a86e6cdd80854e29b478fa23d6640...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:00.971455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023689/publication.mdobserved f7422b5c0026620aea6ee33fce8b61b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:00.950994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023689/publication.txtobserved 3b28f71f3cea85a239f291dc75d1d5b0...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. |
|---|