OT-2026-000019121
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000019121) never changes.
Identity and time
| Publication number | OT-2026-000019121 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7d81-af73-836cb81e4c7f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 028fd140a3108dc59c7b2c4d566646d7ba77993c9389016291f95a42b00d9030 |
|---|---|
| Markdown | f89431bbecb38a2894558a4f5bf334e3b8af74c21e2fa4822c00a2d5a92e8ffa |
| Publication page | 1fc6abd61f16c90c0985276c10c48104bb89be91538b874d63e8d3facd4a955f |
| Manifest | 150b9f8112edd881d58b6d5383e2c5e89ed4e5969ce2e86dd71dd69a3d8663e1 |
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 | BuFAEw++ms3AEeAVm2hN3ZdsU0N1l/0gBchbYA9NgZ1XpevSTi4pDxugMB9/3WQgLQZUvwCmKfxpy7m9Is4ABA== |
| 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
| 2026-09-17T11:58:25.405405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019121observed 1fc6abd61f16c90c0985276c10c48104...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:25.387659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019121/manifest.jsonobserved 150b9f8112edd881d58b6d5383e2c5e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:25.368539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019121/publication.mdobserved f89431bbecb38a2894558a4f5bf334e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:25.350990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019121/publication.txtobserved 028fd140a3108dc59c7b2c4d566646d7...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. |
|---|