OT-2026-000049871
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049871) never changes.
Identity and time
| Publication number | OT-2026-000049871 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd76-78a0-8bb4-ddb967d68041 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049871 |
| Status | PUBLIC |
Content hashes
| Canonical text | 446c2d148d51a457e440c07876079cfb5ad65ac990fba1e18e7f3c98f3ece942 |
|---|---|
| Markdown | 3a6a92097fd21a63dfb39956d79ba99bfd739827ca94f6cb49ed8308e12ec87b |
| Publication page | d894819bd9dfd0f1e13c0d4daf72f2ad7584501f80c45f145b216469c100cd76 |
| Manifest | 631a75e0aa3859c7bbd17c34aff2fc167694a5cd46902cda9a44c9c2dc7d4ddf |
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 | 5ltrbopnCyva/y3B3WdJW5iv2R0ySZZ3gIMttZlYfwfxPXe6AYeU6YIuk6G7qrKlMYbjJ7LXBE/8pXux4Mt2CQ== |
| 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
| 2026-09-17T11:01:46.829468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049871observed d894819bd9dfd0f1e13c0d4daf72f2ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:46.809161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049871/manifest.jsonobserved 631a75e0aa3859c7bbd17c34aff2fc16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:46.788047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049871/publication.mdobserved 3a6a92097fd21a63dfb39956d79ba99b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:46.767403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049871/publication.txtobserved 446c2d148d51a457e440c07876079cfb...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. |
|---|