OT-2026-000028548
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000028548) never changes.
Identity and time
| Publication number | OT-2026-000028548 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7bbc-91b6-c3009adbf976 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028548 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3289f0d4a6cbc52f6cc1ed1ab9d3ca04627f9bc3d11ffed6a56e2782fee0dd6 |
|---|---|
| Markdown | 6f603ab0883ab82fa774535c09dfb5bb1f56f8e23d0c7c405a097b1ecb97f75b |
| Publication page | 505ba42f37dcaf293188ef9721700c0a44f1577f109ef0d9971e60ba19a9d274 |
| Manifest | d9b6c66668f302d4f9cdbbb5aac546c37f7b1065fca4342748405d965cabf2c9 |
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 | 9o3db6EcQbHvY//VZqd8r1G3xWiznURveY3Jm0xcfUYgH0suv9Nv0pfY9JRC/aS7wvrr6CpZakRkqjIC5rvHBw== |
| 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
| 2026-09-17T11:40:49.790758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028548observed 505ba42f37dcaf293188ef9721700c0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:49.771584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028548/manifest.jsonobserved d9b6c66668f302d4f9cdbbb5aac546c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.751820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028548/publication.mdobserved 6f603ab0883ab82fa774535c09dfb5bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.732437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028548/publication.txtobserved f3289f0d4a6cbc52f6cc1ed1ab9d3ca0...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. |
|---|