OT-2026-000028693
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000028693) never changes.
Identity and time
| Publication number | OT-2026-000028693 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7f6f-80e3-0d400331d56d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028693 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0ed4a49b4afc6329d13af2ce2d8496f3674e0c5344195b01f35489cd66d4f60c |
|---|---|
| Markdown | ee8d06076d4912f9ebcce6be93a83003e1029947a0e01fae35604e04b18177cf |
| Publication page | e213e36c6cbbfbc614970a1c8326ffd6e7a9968191f9241988df2aaff6ef24a3 |
| Manifest | 1c10e216aed3cd614d805ea54a73093d9e0b48ecc54920ab94bd627cb146ed92 |
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 | 6UdvzG8bGfHYDDzkV9E73WGVGywDHxf2wP/glYg21jUoiCAmys5nlLwedWuTbhr/+7uHSgak7vYWtEdubTmVBg== |
| 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
| 2026-09-17T11:41:41.235486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028693observed e213e36c6cbbfbc614970a1c8326ffd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:41.214065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028693/manifest.jsonobserved 1c10e216aed3cd614d805ea54a73093d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:41.190581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028693/publication.mdobserved ee8d06076d4912f9ebcce6be93a83003...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:41.168261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028693/publication.txtobserved 0ed4a49b4afc6329d13af2ce2d8496f3...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. |
|---|