OT-2026-000031905
Publication integrity record
Single cup vacuum gripper, single stage ejector, 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-2026-000031905) never changes.
Identity and time
| Publication number | OT-2026-000031905 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-73dc-a906-118dd4ff815b · 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-2026-000031905 |
| Status | PUBLIC |
Content hashes
| Canonical text | c912f0ca1d9786ba7b1b90c4cdd6afca7bc28caf168e4bad05b039cbfefc2f84 |
|---|---|
| Markdown | 28be2e7155807f471789205836ab9276f81654214b818d396a1e5b4ba38211d4 |
| Publication page | d59b002be9f2279374d2ce15266607e67ae5005a4a95d50331395d1e8eaeb2f4 |
| Manifest | 85ea6501776687791a7a42fcde18c7f738aa315f289bb0ba13107b2a39ab39e2 |
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 | zt4ahcPc9MnxvFt1jTQp8vUqY9caLM6mwL8tH/kOtzcTptwz4Leg9KWO7wzHzJeSLL0u7Px7//wixrqrANvnAg== |
| 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
| 2026-09-17T11:35:10.586933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031905observed d59b002be9f2279374d2ce15266607e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:10.570612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031905/manifest.jsonobserved 85ea6501776687791a7a42fcde18c7f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:10.552640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031905/publication.mdobserved 28be2e7155807f471789205836ab9276...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:10.537043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031905/publication.txtobserved c912f0ca1d9786ba7b1b90c4cdd6afca...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. |
|---|