OT-2026-000056520
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000056520) never changes.
Identity and time
| Publication number | OT-2026-000056520 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-7e37-a43c-6bd0bed0cb76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056520 |
| Status | PUBLIC |
Content hashes
| Canonical text | d47b27eabd6ba64d050fb4e57fd5da270207a9789f9209d41e66da614c8abc6d |
|---|---|
| Markdown | ce1ce7da040d2a88cec3c1e801f4ff0ba350287b38f205cf52a9285d34dbfbb1 |
| Publication page | 88565a51a94ae922545746d2cbc7a74750962fbfc81ff855f4ae9fe3e2a20c21 |
| Manifest | 90f9bbb266896b36f2fc563bf74a517394f107efdda2f2231ec546effe093470 |
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 | vejh3/PUyZika1fPa7oIYmBf8tHJ1MAbEnG1ur3m4mjy7M3tXH0kWryxrNcfG4FGxIacMa1OlM0qwcYs3zOcDg== |
| 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
| 2026-09-17T10:49:50.694319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056520observed 88565a51a94ae922545746d2cbc7a747...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:50.678664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056520/manifest.jsonobserved 90f9bbb266896b36f2fc563bf74a5173...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:50.662935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056520/publication.mdobserved ce1ce7da040d2a88cec3c1e801f4ff0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:50.646114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056520/publication.txtobserved d47b27eabd6ba64d050fb4e57fd5da27...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. |
|---|