OT-2026-000019475
Publication integrity record
Two cup vacuum gripper, two zone face, pump fed, 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-2026-000019475) never changes.
Identity and time
| Publication number | OT-2026-000019475 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-723d-8e86-cfc2f955a715 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019475 |
| Status | PUBLIC |
Content hashes
| Canonical text | e85a04363f1f9009338d07bb942cd00a54ef35df46ff15f887dd2ee37a078b50 |
|---|---|
| Markdown | ea7f3d41ed9fef8ea6f053fdc9d5b2ae91ecfc1d6754447c46b1ebc83cf510a6 |
| Publication page | 6176af152a696048358ef84998c52e254aeaff8f66b64ff97fe2f8bec3c09894 |
| Manifest | 04f1a20434e708551d6b1d02c7953e5ad4c4f2933f935b0bed6c21f52987617c |
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 | UpVFTY5BJivrx52IFeYY1WojZPjV/C35f3A+6VGYSVYc9hFhBGL1bagtQDEjNZWFTWDkSHwFb9fyyQRRCDSQBA== |
| 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
| 2026-09-17T11:58:53.618987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019475observed 6176af152a696048358ef84998c52e25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:53.599302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019475/manifest.jsonobserved 04f1a20434e708551d6b1d02c7953e5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:53.576081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019475/publication.mdobserved ea7f3d41ed9fef8ea6f053fdc9d5b2ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:53.548734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019475/publication.txtobserved e85a04363f1f9009338d07bb942cd00a...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. |
|---|