OT-2026-000004948
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, two stage ejector, pressure verified
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-2026-000004948) never changes.
Identity and time
| Publication number | OT-2026-000004948 · never reused |
|---|---|
| Internal UUID | 01a0a928-cd94-71ff-b907-f8776281a741 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:18.712089Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004948 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3a1f5ff2ee9b0ee6b471c82deb5991d8d07fa2eaac45573e835b9659c017d29 |
|---|---|
| Markdown | b66ee665909c58b09efab020f61f4fdfca77fa96be2047e7b9eb32a478aa9796 |
| Publication page | 4349db6722acb5c29698cb81f79c115519c21983fdaad7c1ccf42920ceaf6e4a |
| Manifest | 46a2a481772fd2c958b0e6b7ecdec4b3755b7dae71fb693c0d57c154ce20d6fa |
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 | hB15FRqFUPdAeO4GwD1KDpr48HRgbO1gjCh9gJDIAymdtVSGLBUnS60EJAGNIqIiLKVPj7eeaE61a/vOl8JrAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:32.000531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004948observed 4349db6722acb5c29698cb81f79c1155...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.987516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004948/manifest.jsonobserved 46a2a481772fd2c958b0e6b7ecdec4b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.974184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004948/publication.mdobserved b66ee665909c58b09efab020f61f4fdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.959743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004948/publication.txtobserved f3a1f5ff2ee9b0ee6b471c82deb5991d...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. |
|---|