OT-2026-000019552
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000019552) never changes.
Identity and time
| Publication number | OT-2026-000019552 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-72d2-bd0e-21cc180a1d18 · 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-2026-000019552 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9ba54e191005f1ebd27d85f8ac919bc1f392a3656feed0c98147710c0a4efb9 |
|---|---|
| Markdown | 6e92e42eb5817379a1ab81786c2911a63986cbe765f0d41f6895ffc6abad8936 |
| Publication page | 85d94df5cc9a232e16adab59cc4919b4624242f2506fbfd043918e5c4ed7a9cd |
| Manifest | 2ab57d3e180e759833b7d11f3c55b017640555f4a855ca548a68474dd863937c |
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 | c6oBDZMZEKmPoZTLiXTJyTFJ6+tnP3+WRz8v4sga/U5CPJWdqtSsLDB2zhmEllD65g8A8XLZnpfj7mt3eOi7CA== |
| 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
| 2026-09-17T11:58:59.690418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019552observed 85d94df5cc9a232e16adab59cc4919b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:59.672227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019552/manifest.jsonobserved 2ab57d3e180e759833b7d11f3c55b017...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.654148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019552/publication.mdobserved 6e92e42eb5817379a1ab81786c2911a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.635499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019552/publication.txtobserved a9ba54e191005f1ebd27d85f8ac919bc...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. |
|---|