OT-2026-000019892
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000019892) never changes.
Identity and time
| Publication number | OT-2026-000019892 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-71f6-a3d1-1b9a6d0d81cd · 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-2026-000019892 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb07364ac1e52f295a977b7ab4546514c37875a1e2c3f0c2e919a2b3766395d5 |
|---|---|
| Markdown | 7cacfb90625075d8a9bcb3a0f4682421086f507119d2be76e8a823ea3233552a |
| Publication page | 2c78599cc83273c9b45c73460142f94be8f8c0a6bc2a75220b5079648c05842a |
| Manifest | 022d2008b9a9dd2c421c98d3baf801c8ecf7b2dcd922c1354870465dbcbde4e1 |
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 | cNRhK8I0IYFJQ3iA4Moco3g4bpEeJZDbOHeYZfbrCd56BetYqJAGKfMdBi0DLcR5rUEcsB5+8sHjCM7Ck9wXDw== |
| 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
| 2026-09-17T11:58:05.987403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019892observed 2c78599cc83273c9b45c73460142f94b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:05.970632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019892/manifest.jsonobserved 022d2008b9a9dd2c421c98d3baf801c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.953345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019892/publication.mdobserved 7cacfb90625075d8a9bcb3a0f4682421...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.935627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019892/publication.txtobserved cb07364ac1e52f295a977b7ab4546514...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. |
|---|