OT-2026-000031309
Publication integrity record
Six cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031309) never changes.
Identity and time
| Publication number | OT-2026-000031309 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ac-7911-a095-990e79b76946 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031309 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4addcc1c7b71e7a16503d22325ac74951960dee66affad5c8f0162acc527ca2 |
|---|---|
| Markdown | ee53b79505afce4778b4a40aa1199fbc0ff7dc744cb770bcf9bb041b71058c69 |
| Publication page | b12be7c16196bcd3c85fb7ad4fce663b7570184808d0e8dc98c6fbe31df7b1be |
| Manifest | 0ccb8d5550bf599299e9ebc67d969691669eca780c8f2e58e276bbf17997ce13 |
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 | vT9jx2ULZ7/b+7fS9PThPuKgspn69cpDmIv7tbitrHmkJq6lWdYmuIScllKa01KMvJyPSSGfeHYWtjvy66pCAw== |
| 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
| 2026-09-17T11:35:53.987558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031309observed b12be7c16196bcd3c85fb7ad4fce663b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:53.970178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031309/manifest.jsonobserved 0ccb8d5550bf599299e9ebc67d969691...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:53.951683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031309/publication.mdobserved ee53b79505afce4778b4a40aa1199fbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:53.933992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031309/publication.txtobserved c4addcc1c7b71e7a16503d22325ac749...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. |
|---|