OT-2026-000103542
Publication integrity record
Three bellows cup vacuum gripper, three zone face, 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-2026-000103542) never changes.
Identity and time
| Publication number | OT-2026-000103542 · never reused |
|---|---|
| Internal UUID | 01a0aea4-e461-7c43-953c-8129122656ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:13:57.105586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103542 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4ee202313872764238b48d8e4f05aa76fc602425b6a5d515ab189e87bde31f6 |
|---|---|
| Markdown | ce34738ba3edb3cc6b8ad309785649f614a0d48bdb4403c322fc2d6ca64e8811 |
| Publication page | c9833b507e2c02f65826e214a1f9ebe8ce3037726c85f3593df956bb54487cc6 |
| Manifest | 4769c8d47972fb9f6b9e5dd495d4ad8555b20502105819e23bc506f8d0ed1279 |
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 | s9PQhv9Kqv8NzhUtWitBQrmdjy4gvjhSyedzsyH6osp0NlXSbyognR2f6JMWQfQFEfb7uaFv69yABVHbGmnLCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:22:19.099662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103542observed c9833b507e2c02f65826e214a1f9ebe8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:22:19.083662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103542/manifest.jsonobserved 4769c8d47972fb9f6b9e5dd495d4ad85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:19.067513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103542/publication.mdobserved ce34738ba3edb3cc6b8ad309785649f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:19.052039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103542/publication.txtobserved b4ee202313872764238b48d8e4f05aa7...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. |
|---|