OT-2026-000028489
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028489) never changes.
Identity and time
| Publication number | OT-2026-000028489 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-768b-98cb-78283ed587d3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028489 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0491ac5fbcc039f492ac171610e3023a956de30b19909c8beafe18107c381b3f |
|---|---|
| Markdown | 4a0cbc41b8a9d29dab7449aee01e66c3850955158ea04f64a3ed4b8bcd7fc927 |
| Publication page | 3facd17d65e66d96f5b9dd62f8c9546c1b86ffec199d169ae5e63b87bfbea3e8 |
| Manifest | 0dd1430ab9486b27622cc443888ed780abc86919a1bf99391e1da5dab04efaf2 |
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 | t03TTjaK6EDHW6LrsvWUmo36TdubVOo9X7fBAVOKQQMX0mZZt6eUEBWDisDlbhqOBzT1lIqQ4jVrb8BqdMTVDg== |
| 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
| 2026-09-17T11:40:44.828899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028489observed 3facd17d65e66d96f5b9dd62f8c9546c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:44.812270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028489/manifest.jsonobserved 0dd1430ab9486b27622cc443888ed780...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:44.794734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028489/publication.mdobserved 4a0cbc41b8a9d29dab7449aee01e66c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:44.776852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028489/publication.txtobserved 0491ac5fbcc039f492ac171610e3023a...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. |
|---|