OT-2026-000028920
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000028920) never changes.
Identity and time
| Publication number | OT-2026-000028920 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-783d-b6fe-f6d9a2f74d31 · 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-2026-000028920 |
| Status | PUBLIC |
Content hashes
| Canonical text | 53478824903ac109639be04268aa3c28f2ab055f87d435eafe182f56e13f2ea4 |
|---|---|
| Markdown | 3593fae63b754e3ebd80a4e5ae8e8b1d62a7605902be1dc010f8d0952a3452d2 |
| Publication page | 3e4ac5445a63de08520601d6207559644280cd27e78ed6a4cdbd48749ff3e91a |
| Manifest | 01254d1defeb35d129d0810fcc35d7f70a68d6e8ffc441e9ed9c815ff4addb47 |
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 | t2g98FWF+WGLwgjQXkDS7rB8FwuSEJzzrTgUIylBl74PrzaXiWIKhcan7DBLA+8AnhrvkdBoMNAHJ8tvz3ISCg== |
| 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
| 2026-09-17T08:20:20.513180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028920observed 3e4ac5445a63de08520601d620755964...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:20.492432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028920/manifest.jsonobserved 01254d1defeb35d129d0810fcc35d7f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.474401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028920/publication.mdobserved 3593fae63b754e3ebd80a4e5ae8e8b1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.456183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028920/publication.txtobserved 53478824903ac109639be04268aa3c28...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. |
|---|