OT-2026-000004893
Publication integrity record
Bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure verified
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-2026-000004893) never changes.
Identity and time
| Publication number | OT-2026-000004893 · never reused |
|---|---|
| Internal UUID | 01a0a926-e352-78a7-9b98-1ac69158add7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:13.205551Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004893 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2a53d3a6b34ae5cd82b49c07d9fad05aa71264d1db36df2f3bbc434b95e4655 |
|---|---|
| Markdown | 7a681781f30b2de2987fc6eb2b992da0f2a827eed51e7bca2ec4210dcb475763 |
| Publication page | 554b8735335318c92b7b6ce2640510596bf581690b22ddb103f22dd69331419b |
| Manifest | 24ac9eeaced1b7cc4c9d54729273de36cf36c27a45cbf4bd7287e25d651c5fdd |
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 | P0Q2AXt1IVYCJIWtXlP+LeGZx2r5vRZ1wmdzXI0bIZYFzS+n7S8h7RGCIB6tvB4/286LsbVnXQ5VVRdYUYpbBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:07.636366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004893observed 554b8735335318c92b7b6ce264051059...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:07.620990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004893/manifest.jsonobserved 24ac9eeaced1b7cc4c9d54729273de36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.489750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004893/publication.mdobserved 7a681781f30b2de2987fc6eb2b992da0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.474425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004893/publication.txtobserved f2a53d3a6b34ae5cd82b49c07d9fad05...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. |
|---|