OT-2026-000011331
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented 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-2026-000011331) never changes.
Identity and time
| Publication number | OT-2026-000011331 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-88fe-7851-8e44-c790c899b40a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:12:23.703080Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011331 |
| Status | PUBLIC |
Content hashes
| Canonical text | c902833c7495115e86399e325fdc9c0afbbbd30461c1fe32a9a989cb507485e5 |
|---|---|
| Markdown | 33d33a8da07413c03c75d40e5187eb62b6769af8a8cb27b9e84c299b782891f3 |
| Publication page | a9e970d5ede3c6f7e1369e84c2ec1936d5ea17bbc8963ea8b5ef7e22d609fe0a |
| Manifest | 470ba7a4e805ae0d2036993d8635cb0ea4440cd770afa9ff9b79aaaff5ba4af0 |
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 | 4Hd9CZdY0dfPAfQ265nCx0MlmsLLQG5tBQX1AIZOlK1u95ujPlS4jCOX42Ruk8trGbnR25CjmQ2XwQQbM/viCQ== |
| 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
| 2026-09-17T12:13:03.380281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011331observed a9e970d5ede3c6f7e1369e84c2ec1936...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:13:03.362730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011331/manifest.jsonobserved 470ba7a4e805ae0d2036993d8635cb0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:03.343987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011331/publication.mdobserved 33d33a8da07413c03c75d40e5187eb62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:03.325048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011331/publication.txtobserved c902833c7495115e86399e325fdc9c0a...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. |
|---|