OT-2026-000019401
Publication integrity record
Single cup vacuum gripper, pump fed, supply line 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-2026-000019401) never changes.
Identity and time
| Publication number | OT-2026-000019401 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-79ad-adba-e68069851377 · 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-2026-000019401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 190dbae8a4d9672c1426c25db6e083d0b6b911569c9bf888ebdb708c7d8d5c3f |
|---|---|
| Markdown | 0dff912ab701ad9bc3cb8c5d9ae2d5e1319a6a26d14703b63390f4766e8c1638 |
| Publication page | 383acd9a613d9ae2858637be861cffbd51cb8d5117884a0f0aa0c3b9c98aa001 |
| Manifest | ca0e1fe0c46e89becca02d4b849c3cbc14a072a8492a2676b28119a69388a757 |
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 | 97hVDPMGNchIBpjsFTFQdglx6Ubl29JYGsCLDgpgUyAfr4YlfmgeQU9TQ23Aqaqi6nm/fUJSEZPOIe8otMnyCQ== |
| 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
| 2026-09-17T11:58:47.246376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019401observed 383acd9a613d9ae2858637be861cffbd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:47.227791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019401/manifest.jsonobserved ca0e1fe0c46e89becca02d4b849c3cbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:47.210792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019401/publication.mdobserved 0dff912ab701ad9bc3cb8c5d9ae2d5e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:47.192981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019401/publication.txtobserved 190dbae8a4d9672c1426c25db6e083d0...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. |
|---|