OT-2026-000056780
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after set-down
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-2026-000056780) never changes.
Identity and time
| Publication number | OT-2026-000056780 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af7-7f1f-a693-523de87b85ca · 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-2026-000056780 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5ba4be3309c5ba1c20e35d7f17fe5bc3f5726383db9e6057607aa13a0f724d0 |
|---|---|
| Markdown | 5ffed88c17436bcb81f3a69c38591157139c4d9892e2415787a3a61ff4373272 |
| Publication page | 604fb7441038060e49784460bfe9e51985c47052d88e1bbd429a7725b1c21af4 |
| Manifest | 960c57f1e0e972622ca7b898b5d97d27ff7a88422bb59ad44723452901eaa02f |
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 | mfTY3sC5h80mArUSih84ojzxnUUByy4SxeLNA9HpuI0EZLf4TUDCLucoMAGZXcKHnSQQDV8CnVeDIieObLC/DA== |
| 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
| 2026-09-17T10:50:15.382363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056780observed 604fb7441038060e49784460bfe9e519...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:15.363602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056780/manifest.jsonobserved 960c57f1e0e972622ca7b898b5d97d27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.345857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056780/publication.mdobserved 5ffed88c17436bcb81f3a69c38591157...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.326693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056780/publication.txtobserved f5ba4be3309c5ba1c20e35d7f17fe5bc...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. |
|---|