OT-2026-000020053
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000020053) never changes.
Identity and time
| Publication number | OT-2026-000020053 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7cce-aa62-56babd5fa8a1 · 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-2026-000020053 |
| Status | PUBLIC |
Content hashes
| Canonical text | c1356bddda0ed655cf223e4092e8ac8ed40ad19a7ebe11ae997b8f02b0dff900 |
|---|---|
| Markdown | a846594e22675b7cd05a8cca610b84700cf8e1c5b940bd10e0d3569be75444b9 |
| Publication page | 87e49c2f99a266faf82fc3ba940cdd4e269b2b3f924753af916d123f2a2a3e4f |
| Manifest | 70969fc132c9a6a6941fb8dedcc7ef2eb4eab5deb487bf676fa8f9f48d4efce6 |
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 | fCA1pMgQwyWYl9Uk0zNxloIAYKAW/0Wba5jCEeEK0U0021Nl+LzviEEHDmeTnCHWVaieuM9gCKSDYY0GThipCA== |
| 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
| 2026-09-17T11:58:19.211388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020053observed 87e49c2f99a266faf82fc3ba940cdd4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:19.190463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020053/manifest.jsonobserved 70969fc132c9a6a6941fb8dedcc7ef2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:19.170546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020053/publication.mdobserved a846594e22675b7cd05a8cca610b8470...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:19.151592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020053/publication.txtobserved c1356bddda0ed655cf223e4092e8ac8e...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. |
|---|