OT-2026-000004438
Publication integrity record
Vacuum cup gripper, six outlet manifold, ejector fed, contact triggered
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-2026-000004438) never changes.
Identity and time
| Publication number | OT-2026-000004438 · never reused |
|---|---|
| Internal UUID | 01a0a917-ba80-7ee1-a7e9-b25e37f11780 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:39.716124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004438 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf7142aec3215d66581e5e0f838cc6a99a20d37e8538b1233fb01fadc9caed85 |
|---|---|
| Markdown | 423416de8b8d2ef1fa6585d294d61349d7cc969fba0c8a062d2c133d728f4a52 |
| Publication page | 17ce20ff2478fb3754ee68f9979abdf9adf5cc968abaf2c12b5a3fe1e3e392bf |
| Manifest | df9ccbea77bfc83bff5381826da15ce44ad3231ba3c79cb88e75870550ac62d4 |
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 | H6LhzioyJ3swqS+2Q/FvdqAbO4GcUWbnlGaQHDAg8CWhJvuWbj8lrkHn/zOBCOoxLphk2OGMfFinyKnCpSixAA== |
| 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
| 2026-09-16T07:30:27.494024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004438observed 17ce20ff2478fb3754ee68f9979abdf9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.480624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004438/manifest.jsonobserved df9ccbea77bfc83bff5381826da15ce4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.467082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004438/publication.mdobserved 423416de8b8d2ef1fa6585d294d61349...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.451396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004438/publication.txtobserved bf7142aec3215d66581e5e0f838cc6a9...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. |
|---|