OT-2026-000028956
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000028956) never changes.
Identity and time
| Publication number | OT-2026-000028956 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7f80-bc97-113f2431f5a8 · 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-2026-000028956 |
| Status | PUBLIC |
Content hashes
| Canonical text | b30cddec596672c63ad6c542d7e8385388d11722545ce3a99ff52d9981ffd238 |
|---|---|
| Markdown | a592e2b74e0b9c8f876ffddedb74ecb8d605986c92add9dcb83915b81341e8b9 |
| Publication page | 2ff907c2694a2761b5b48ee470d384a3d46a42e7de45d09ef027011c7cb64390 |
| Manifest | d28321a25c988c7a1b5f7121967e31995e091b00532e1688afe1c0e287f89108 |
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 | Z94iIO5chOl6XkDBlV+tenzQlzDR2FkhcFqE3GvNcAuFKO3nghlrS8+w1iczB3lj6DBlIgCT+SjSW0SowtLQDw== |
| 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
| 2026-09-17T08:20:26.543775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028956observed 2ff907c2694a2761b5b48ee470d384a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:26.527634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028956/manifest.jsonobserved d28321a25c988c7a1b5f7121967e3199...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:26.510598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028956/publication.mdobserved a592e2b74e0b9c8f876ffddedb74ecb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:26.491435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028956/publication.txtobserved b30cddec596672c63ad6c542d7e83853...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. |
|---|