OT-2026-000026668
Publication integrity record
Single bellows cup vacuum gripper, pump 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-2026-000026668) never changes.
Identity and time
| Publication number | OT-2026-000026668 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4aa-76d9-bbe8-7c36150c6c50 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026668 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2c9efabe96ed058beb9acc735569ebd3dffe00e3d8001158b90496ab016babd |
|---|---|
| Markdown | 156cae0bc8dd2e0a56fc25a6fc6d08276424f2fee61d9c02f6c3412687af84d4 |
| Publication page | ddb18a0de051d3e83bb3a4dd839efd57850bc0ddc6795b7fdda422d311661946 |
| Manifest | 29f443292e27070ce0c45c428a6eab9400f182c1a1ecc640b9f0003b932fd94a |
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 | BEKM41F2VvVD1tlIdT41bF0B7oqZdO2L4JCuXbY7vxJ86CmJUVQz1GtqVqX4BR1fBYSE+Z93MwZcGR3PUn+/BA== |
| 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
| 2026-09-17T11:45:45.085434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026668observed ddb18a0de051d3e83bb3a4dd839efd57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:45:45.067819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026668/manifest.jsonobserved 29f443292e27070ce0c45c428a6eab94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:45.049851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026668/publication.mdobserved 156cae0bc8dd2e0a56fc25a6fc6d0827...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:45.031810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026668/publication.txtobserved b2c9efabe96ed058beb9acc735569ebd...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. |
|---|