OT-2026-000028993
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000028993) never changes.
Identity and time
| Publication number | OT-2026-000028993 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-711b-b288-d480f772261a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028993 |
| Status | PUBLIC |
Content hashes
| Canonical text | 619b81785f0f06afc3f07916f4ddf59d3bacf2a24f494a4b614b40a63c808a0f |
|---|---|
| Markdown | 5168a2be742f0ce4c2cfc190e0150b038a2f46116631cf00e55ffa9a48ebfe75 |
| Publication page | e1e33bc3f1eadce51ef645c3cdb9108e601434b3131ea473287ec60500035bc2 |
| Manifest | c2e3969c4b9d1e1cf1f5f2d1a17b7c02704ab84f77f926c6730d5953e7a55018 |
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 | cM1j27HT24s598dgkk7IO+jfFp2Tuw8Qzy4F0RgYZTuGI+H3pifj8uPQvxzkID/sIP8ZnY+t8ffBwuGPStOCAw== |
| 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
| 2026-09-17T08:20:32.253403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028993observed e1e33bc3f1eadce51ef645c3cdb9108e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:32.237017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028993/manifest.jsonobserved c2e3969c4b9d1e1cf1f5f2d1a17b7c02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.218520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028993/publication.mdobserved 5168a2be742f0ce4c2cfc190e0150b03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.197905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028993/publication.txtobserved 619b81785f0f06afc3f07916f4ddf59d...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. |
|---|