OT-2026-000052115
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000052115) never changes.
Identity and time
| Publication number | OT-2026-000052115 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-73e1-ba20-8acaacce57cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052115 |
| Status | PUBLIC |
Content hashes
| Canonical text | bad0793c2c36bb95fca6245c176d6387b87d46df03a427da96811ef0979d7c89 |
|---|---|
| Markdown | b046b77ffb51bc2e3d4c7b5743ce9fad62a9fb502d3f4ff357b52953b63a82d9 |
| Publication page | 379d8bc1ac62ae3e8d6dd624184ca5bac4a9ba876f75257d97456147e3ac54ef |
| Manifest | ad2ae91cb51487448fdac93a7c5a963cad15374cf927eb4f64ec555e884fcba8 |
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 | GUV9jINj8MzP6cTF0yOzk6Oy2ZRYei++/ltFd+IJquyrALg7KVIjial5WtJM76/0JrqUcyPiihP4xUr5bH8DCw== |
| 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
| 2026-09-17T10:57:39.572159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052115observed 379d8bc1ac62ae3e8d6dd624184ca5ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:39.553656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052115/manifest.jsonobserved ad2ae91cb51487448fdac93a7c5a963c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:39.532909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052115/publication.mdobserved b046b77ffb51bc2e3d4c7b5743ce9fad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:39.516035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052115/publication.txtobserved bad0793c2c36bb95fca6245c176d6387...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. |
|---|