OT-2026-000028948
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000028948) never changes.
Identity and time
| Publication number | OT-2026-000028948 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-771f-90b0-b945ed3d3aa5 · 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-2026-000028948 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49fe15681bafc06104ade224eeda36f3b33a1fd56ce00e8c619cdbcce8b5855d |
|---|---|
| Markdown | 21cbd3b15dd77d1d0715f1212348c260c55946f3e6318e8c23695fc0a9ecb9e5 |
| Publication page | 524173a553ebec37554308394e5cc5de1a6408cc0c97a53de6468425ea92d579 |
| Manifest | 0573e09099303622004c456094c79ae7f31860609e1258779ef59237bee20778 |
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 | lybOSxJQOsT9jn+Z10k1VKn7uXroQAK7k8Ibkzf/SvRLgg4kbsKUBQt3JW9D62GgYnP19x2iB4k7wx/cLU8/Dg== |
| 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
| 2026-09-17T08:20:25.032196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028948observed 524173a553ebec37554308394e5cc5de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:25.011724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028948/manifest.jsonobserved 0573e09099303622004c456094c79ae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.993649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028948/publication.mdobserved 21cbd3b15dd77d1d0715f1212348c260...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.974720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028948/publication.txtobserved 49fe15681bafc06104ade224eeda36f3...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. |
|---|