OT-2026-000056428
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000056428) never changes.
Identity and time
| Publication number | OT-2026-000056428 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd2-7dda-a793-5585e61c8fc6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 031ea76f0849088d66a21e180be7195a48eba01b7694d56764156289ebb0746c |
|---|---|
| Markdown | 5c641765610887e6732ad69769cd1d36a5f48d6c2c966c11503275b8e28af9a5 |
| Publication page | 67762a9b99f59513ddb3f589f99ab59ccd5a853f5a57a9bf318c0e8ffd5957d7 |
| Manifest | added87b9d18c85c44e0e4851f50521d103cfb92b317ac599a034aa9725ad19d |
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 | fb2B+1YQOZw42Zilsr+oV2Zwg/6kKnzRwFp1mj1lpYysZT4Ct5foUl+0memS3GFCnt+Jw3+yIJChIuznqm6SCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:55.812301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056428observed 67762a9b99f59513ddb3f589f99ab59c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:55.788773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056428/manifest.jsonobserved added87b9d18c85c44e0e4851f50521d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:55.770264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056428/publication.mdobserved 5c641765610887e6732ad69769cd1d36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:55.752408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056428/publication.txtobserved 031ea76f0849088d66a21e180be7195a...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. |
|---|