OT-2026-000019471
Publication integrity record
Two cup vacuum gripper, two zone face, pump fed, pulsed 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-2026-000019471) never changes.
Identity and time
| Publication number | OT-2026-000019471 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7314-aade-0352988efa5b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019471 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34ac9f77c05d04889d5e805de24b985fe94dc13e941c5143d9279a5e7823acad |
|---|---|
| Markdown | a599cda01aa63d9c9156d0d51542e53156504ee6780f7a0f40690f68a38e9583 |
| Publication page | d03562f5ef2abd78933bab88f85f817f05812ede9de2e183767655dbee8442d7 |
| Manifest | add8f90681c6d6d6c9366438fbc0fd70a34db23cf27d1874590edc7de24e048c |
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 | uR3qGBey4eDo1doPXEw1+aLfN3nc77ccgulOqC8mOqJMrvo0vKhCPwrCeeJTJQQKe7a0e/NgVGu8jxdehsH3Aw== |
| 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
| 2026-09-17T11:58:53.224959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019471observed d03562f5ef2abd78933bab88f85f817f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:52.656842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019471/manifest.jsonobserved add8f90681c6d6d6c9366438fbc0fd70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:52.638025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019471/publication.mdobserved a599cda01aa63d9c9156d0d51542e531...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:52.619603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019471/publication.txtobserved 34ac9f77c05d04889d5e805de24b985f...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. |
|---|