OT-2026-000078431
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078431) never changes.
Identity and time
| Publication number | OT-2026-000078431 · never reused |
|---|---|
| Internal UUID | 01a0ae95-7c28-7bd1-8a8f-484e1e77e669 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:07.483031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8990c961d2fd160c48ddfa6d34eb8bb84d0dcc4c9a1a40fcda0c7ff2891beb7f |
|---|---|
| Markdown | 4b022c4eb4bfc23416981a9e7a2eda18d65f63afb463aa6fb4bc625cd15ba312 |
| Publication page | 0a2fb72bc5700577fa289f95611cdbfe283de67a838f6f6f238419b590ecb28c |
| Manifest | 23c54a67cef3f17fdc2d9067b33a5539b28d017e665e33d01bc5db2e788d3040 |
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 | pHyf/jx5pXYDgb+6bVQtW5BGJEZa5VP8m52uIbPCXemu1vjGnog5z0UA1lh2P/EXVcVjbFmyFkxfECQq7OKiCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:06:25.674362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078431observed 0a2fb72bc5700577fa289f95611cdbfe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:25.655903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078431/manifest.jsonobserved 23c54a67cef3f17fdc2d9067b33a5539...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:25.637315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078431/publication.mdobserved 4b022c4eb4bfc23416981a9e7a2eda18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:25.619499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078431/publication.txtobserved 8990c961d2fd160c48ddfa6d34eb8bb8...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. |
|---|