OT-2026-000015275
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed 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-2026-000015275) never changes.
Identity and time
| Publication number | OT-2026-000015275 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-72af-b666-1555a0080ae0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015275 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4bea081a61978edad6461ce7e63f3f2ece91d6bd28f113f9b99592fd6785d68 |
|---|---|
| Markdown | 4e1ccdbc948211df34566a57deedb02aa42ef142d3822851591fa788ffc7bd27 |
| Publication page | 19db422e81a7f5211da3d7c570ee1f64c91e00418e0babf4e723ff9cf58ad031 |
| Manifest | 0e106cff5f1fd2f120726eba05288279d5d5a4879b4fdbfef4493d9e4477a199 |
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 | l0LWolX+qoL/MBXTmjWTbfC7rvRsQ9SZdcRDVCVHqgqyuq/R95pgTBkZT2hKVvbyR7wWjYtz4ufltNDKQ9MDAQ== |
| 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
| 2026-09-17T12:05:57.331454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015275observed 19db422e81a7f5211da3d7c570ee1f64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:57.313121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015275/manifest.jsonobserved 0e106cff5f1fd2f120726eba05288279...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:57.294775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015275/publication.mdobserved 4e1ccdbc948211df34566a57deedb02a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:57.276350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015275/publication.txtobserved f4bea081a61978edad6461ce7e63f3f2...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. |
|---|