OT-2026-000011650
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000011650) never changes.
Identity and time
| Publication number | OT-2026-000011650 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-7cd5-864b-f5a71eb2f112 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011650 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9ffdfdc7acf4c7688af43c3616e19ba9877c61662e014a48d6d8b6f36cc1ef05 |
|---|---|
| Markdown | 561e15d1759025f15444f43fd47b96eb3d89f60a41358787ba3e9bc79ea2a01c |
| Publication page | 6f96791652ba758d31abd6fc36d89d3cb96d44985a5734e10818bb55841f4fd6 |
| Manifest | a9d012d46004f1e43fa482f5c59fb8269ff760be9028d983f86b19699904ccad |
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 | Ea3rb6ZoOvWq6RbEpZqQpVVZwSYBTW3sFNw9Ku5U74yztwkLWE4p9U8M7mxuXoQQN+s9TBp3eWLxcdIKEZA1AQ== |
| 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
| 2026-10-12T16:41:38.870562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650observed 6f96791652ba758d31abd6fc36d89d3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T16:41:38.797396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650/manifest.jsonobserved a9d012d46004f1e43fa482f5c59fb826...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:38.726821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650/publication.mdobserved 561e15d1759025f15444f43fd47b96eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:38.642778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650/publication.txtobserved 9ffdfdc7acf4c7688af43c3616e19ba9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:42:12.962448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650observed 6f96791652ba758d31abd6fc36d89d3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:42:12.896949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650/manifest.jsonobserved a9d012d46004f1e43fa482f5c59fb826...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:42:12.827732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650/publication.mdobserved 561e15d1759025f15444f43fd47b96eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:42:12.761683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011650/publication.txtobserved 9ffdfdc7acf4c7688af43c3616e19ba9...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|