OT-2026-000028946
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000028946) never changes.
Identity and time
| Publication number | OT-2026-000028946 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7432-bc4f-39883c3d18f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028946 |
| Status | PUBLIC |
Content hashes
| Canonical text | c2caecb07a332674a25e98948726db0fee2ba4a0db84e9177faf8d62f0097e79 |
|---|---|
| Markdown | c0dd6c05ef963f4996a66684b1b9f0983edbcf2dd86fe189c799806fd9a234d9 |
| Publication page | b9d6c4da07ee5aa666da73cc82e0b1f00b7bed92e70f9d0df7fe6f9ad47018e6 |
| Manifest | 142e8bf81c05a54d0290e6fe39d28cfac2505e7572c296526cbb8783d155630c |
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 | EKVbJo/HFHE6UfSrzJCv9xPo6IgjqUffV9lj1hkczcsFPXW6QKzsPgvDmYuKcPSzPBFAoytuOe4w5kWEmn65Bw== |
| 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
| 2026-09-17T08:20:24.762963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028946observed b9d6c4da07ee5aa666da73cc82e0b1f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:24.745735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028946/manifest.jsonobserved 142e8bf81c05a54d0290e6fe39d28cfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.728044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028946/publication.mdobserved c0dd6c05ef963f4996a66684b1b9f098...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.707771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028946/publication.txtobserved c2caecb07a332674a25e98948726db0f...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. |
|---|