OT-2026-000055004
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055004) never changes.
Identity and time
| Publication number | OT-2026-000055004 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-776a-8ed6-70c69515a768 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055004 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9dda5853d1b38283f7242017701abc037ef99ab33697fdd1d747c1ab780c0eda |
|---|---|
| Markdown | f80b931341430c5da2c7e00c6cc64ae846a03017b3065722687c34e26f1b9afc |
| Publication page | 9c366f8d6aa6b5a92870de58053bf971c2a9d3e2b50f40a612f0aabda54454a2 |
| Manifest | 7e1cf54118c2ed78c41fb614fa8061d470be89ff69d6be08e31d1b6e1691e09c |
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 | hRkmHUysxn9B/hZ+OcdB30opCbgQ71tqLH7ZPmsOgCEAOaJFRu2L61JMLNNQ8fyA6N2oIM5LC1Omk0iJRO4PAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:53:08.114568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055004observed 9c366f8d6aa6b5a92870de58053bf971...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:08.095690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055004/manifest.jsonobserved 7e1cf54118c2ed78c41fb614fa8061d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:08.078409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055004/publication.mdobserved f80b931341430c5da2c7e00c6cc64ae8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:08.059406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055004/publication.txtobserved 9dda5853d1b38283f7242017701abc03...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. |
|---|