OT-2026-000004221
Publication integrity record
Porous face vacuum gripper, four zone face, two outlet manifold, ejector fed
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-2026-000004221) never changes.
Identity and time
| Publication number | OT-2026-000004221 · never reused |
|---|---|
| Internal UUID | 01a0a911-acc6-7654-9da6-c9acd7301fe4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:02.991379Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004221 |
| Status | PUBLIC |
Content hashes
| Canonical text | decd595386324e41f040d7502e162ce0a6d5662046a2a9863b1f32d25c64a594 |
|---|---|
| Markdown | 3f0f300fa1c17f3d3818d6b25d194baeb46083bda3a74e326284a08ae9f2b077 |
| Publication page | b4bb9b490c8593217af8d5aec2ba744a9b88415cae72d19ac98e3d44ec05dbb3 |
| Manifest | f09c0747543ecfde98952a3994c6245b89023636b0b8bb4d965c6f51a9de65fd |
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 | klBg6ZN7iuhLHfRYcH3msB7dtcmABB0VPIwG5K5965L1ZQ72f6F36IzFUHhPMC6syVWBDB1zOG5tiffkbltZAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:22.428755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004221observed b4bb9b490c8593217af8d5aec2ba744a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:22.416277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004221/manifest.jsonobserved f09c0747543ecfde98952a3994c6245b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.401974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004221/publication.mdobserved 3f0f300fa1c17f3d3818d6b25d194bae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.386930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004221/publication.txtobserved decd595386324e41f040d7502e162ce0...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. |
|---|