OT-2026-000022533
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, 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-2026-000022533) never changes.
Identity and time
| Publication number | OT-2026-000022533 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7ab5-bb86-48b02327a1dc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022533 |
| Status | PUBLIC |
Content hashes
| Canonical text | a975d2d322a0043291a0d4b6cc24c746da2e3a28b8c656211cadf49ad3cd7cb8 |
|---|---|
| Markdown | 7080b5357275c0cf3f64a7c3abbc80d10608d09f5679ae6ff75a3ab9007e501d |
| Publication page | b0296f337125f2af62242bf1201751a9f67cfaea8c595ce1773b11cf85e6114e |
| Manifest | 1990026685de4913d149c1e10a73214e7b5e483591db9dc35840f8cd9701668e |
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 | TjrpYHUBPUoi1aQsLzZ5yN0RxFUcORPan8WAcPBp6UwfxFcm6nMJsyfz3VRy/1pzdZk6xF0SBzviAg6dd5+rAg== |
| 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
| 2026-09-17T11:53:58.021287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022533observed b0296f337125f2af62242bf1201751a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:58.004136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022533/manifest.jsonobserved 1990026685de4913d149c1e10a73214e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:57.986363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022533/publication.mdobserved 7080b5357275c0cf3f64a7c3abbc80d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:57.969558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022533/publication.txtobserved a975d2d322a0043291a0d4b6cc24c746...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. |
|---|