OT-2026-000018973
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000018973) never changes.
Identity and time
| Publication number | OT-2026-000018973 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d522-71d7-9724-f8173e6a2831 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018973 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e263dfacdbe93cef86c279d2c4ec566bba57526513aec088c3be79cebea5f75 |
|---|---|
| Markdown | f390c1a221706a1bd00c22715c742759c12fd2f0d7bdd0cf643e74f8ca21b025 |
| Publication page | 1799035751b8daa551c67ee74539a4b554814fbd825907b9371f85331dceb7bb |
| Manifest | f4d02e9cf6ca2d56f31316825115c60f198a37d40a198c7d776974f844ed4fc0 |
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 | DeThiSkFjk3u3DEHJyPk47DITEDFQd4nJOkXEQut++drnjvmWq8C90p69JigWjj++MJ9F0DWNo7ga3e6h8IYAA== |
| 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
| 2026-09-17T11:59:39.009726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018973observed 1799035751b8daa551c67ee74539a4b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:38.990671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018973/manifest.jsonobserved f4d02e9cf6ca2d56f31316825115c60f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:38.972645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018973/publication.mdobserved f390c1a221706a1bd00c22715c742759...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:38.955594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018973/publication.txtobserved 4e263dfacdbe93cef86c279d2c4ec566...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. |
|---|