OT-2026-000028820
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off before set-down
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-2026-000028820) never changes.
Identity and time
| Publication number | OT-2026-000028820 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-749c-b7cd-210e083a893c · 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-2026-000028820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b67428a69ea63c30c440f8cc29b6330ed9bcfb72da9082c5429865a13d481ad |
|---|---|
| Markdown | 9e4acf76c22d6415bf6a08d5f0d70e01c19ef070652e5322ac397aed95f0c66e |
| Publication page | 4ef472eebf19fd2c1b5538476629d92b2e488572d3e513731c22b480f5ed8caf |
| Manifest | b5ed35ea533406d3839a0c7e8f266b395fef09a27a98999c4a2596c27bb926ce |
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 | Pilbs3jGWkKjWRVnjELoNhSQc18lRlHml40O+az3tCl9i1Gva0+SVPQIf62NJ1hsRG84Os7cQpWXPrneGmZ0BQ== |
| 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
| 2026-09-17T08:20:02.187057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028820observed 4ef472eebf19fd2c1b5538476629d92b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:02.031166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028820/manifest.jsonobserved b5ed35ea533406d3839a0c7e8f266b39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:01.961650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028820/publication.mdobserved 9e4acf76c22d6415bf6a08d5f0d70e01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:01.747944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028820/publication.txtobserved 9b67428a69ea63c30c440f8cc29b6330...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. |
|---|