OT-2026-000090489
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090489) never changes.
Identity and time
| Publication number | OT-2026-000090489 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-74c4-893c-b3fbe017252b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090489 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1a722c64125b5a04fcfbf4f2d53541ff98ae8001ee47be90c29fbbbce5e31f2 |
|---|---|
| Markdown | 60cd28b3a6825728954ed6d172196cb1268fba26b899ee488189ec51f2f52e4c |
| Publication page | c5b81259b2b2da9030128f9bd08387acf0c225c71f8051bec40890d3aaec81c7 |
| Manifest | ab8b3543efcf5fb79041d7485f3bd8579d25ddd65b14aa944f11d7a8386c9b25 |
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 | oZA+o9Ja3cWoXWKnSCY7+yK+buykFtPTnKLj8OffbcYYMA53zYKd3FlyxvR0KFJpOJevOAHl1uGGx2SNg1ruAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:37.538859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090489observed c5b81259b2b2da9030128f9bd08387ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:37.521509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090489/manifest.jsonobserved ab8b3543efcf5fb79041d7485f3bd857...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:37.503460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090489/publication.mdobserved 60cd28b3a6825728954ed6d172196cb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:37.485877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090489/publication.txtobserved f1a722c64125b5a04fcfbf4f2d53541f...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. |
|---|