OT-2026-000056092
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000056092) never changes.
Identity and time
| Publication number | OT-2026-000056092 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7e44-a31f-53cedc8383e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056092 |
| Status | PUBLIC |
Content hashes
| Canonical text | eadf3db2841e75b0f09c2a11fb57694a01ce9ca81d4a09b4d99d5929f9c39e0a |
|---|---|
| Markdown | 351d757dd7318dbab56ceffa608c8ecdc6e34f9fbd92c22e0356eeebe3916c51 |
| Publication page | a892671b5c5884141f1a304295abd5fce951fc04f3e53af718cf7fc36394dd0f |
| Manifest | 3968055e2c13752f66628250a5797ec93f504ee459582fbb717e07682703e420 |
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 | mtHr8yWJUEQJAr/iq6k7q2M0DWk0kp025ccWXgyuoP6kgd+E2K5uPZSS2I/SLtiWlvyPAT47NpMe7TvPG5/HCA== |
| 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
| 2026-09-17T10:51:37.849171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056092observed a892671b5c5884141f1a304295abd5fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:37.829351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056092/manifest.jsonobserved 3968055e2c13752f66628250a5797ec9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:37.804854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056092/publication.mdobserved 351d757dd7318dbab56ceffa608c8ecd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:37.782720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056092/publication.txtobserved eadf3db2841e75b0f09c2a11fb57694a...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. |
|---|