OT-2026-000020080
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000020080) never changes.
Identity and time
| Publication number | OT-2026-000020080 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7a77-8471-83ff0c90dd93 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020080 |
| Status | PUBLIC |
Content hashes
| Canonical text | 95bf3b91d0b16b75cd64ecc4ab9cd2c1e84d3068ace1f90d98e41f93df2ae1be |
|---|---|
| Markdown | 8424ad6b7fea688854ac61978a9377bdcd090f640b0d22a797093d1025e364b1 |
| Publication page | 75afee7f5763aa7d78f5558161459f88dd4326a5f7c10f1d90b07b557da4ac79 |
| Manifest | 555be534bc2a7a4d470a53d30ddbfb9d1947047bc67b24ada407cf1114f4a8f4 |
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 | ozhLv+PzXpb+qhVnCWXPnYK4scDwA+nvfN84StrE6ZenMmOhgIEVasQnKXCbSXhMT94dmPQOxr99C7JAPmInBw== |
| 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
| 2026-09-17T11:58:21.422278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020080observed 75afee7f5763aa7d78f5558161459f88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:21.402722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020080/manifest.jsonobserved 555be534bc2a7a4d470a53d30ddbfb9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.384485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020080/publication.mdobserved 8424ad6b7fea688854ac61978a9377bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.364567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020080/publication.txtobserved 95bf3b91d0b16b75cd64ecc4ab9cd2c1...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. |
|---|