OT-2026-000013200
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000013200) never changes.
Identity and time
| Publication number | OT-2026-000013200 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc8-7c41-bfa9-34976700b8c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013200 |
| Status | PUBLIC |
Content hashes
| Canonical text | 07ebaca94d8dc8f645afaeb0cf143ae239b4c2b052021abefefa65f213af35a0 |
|---|---|
| Markdown | 1dd7e49eb08d9bcc3f2640be4ac480032a5bb056dc88fd927a9f5bf61446dd64 |
| Publication page | f0265d2c272804f9423f6ceb72bbbc18a57a9011eee9068022736dde3a3955a4 |
| Manifest | cc7382e4bb649a53ecfeee82abe451a8c168ddecbd50121b1748304c3c8d8f87 |
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 | 2dWcj8NdvZoh97L3EFPV+yQucmm+E9o/QaOJTYx3HNFFeWO8Fwra+bDNsOLq9ttsUQLSDA7gZI6Ski0biaHrDA== |
| 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
| 2026-09-17T08:42:19.743918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013200observed f0265d2c272804f9423f6ceb72bbbc18...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:42:19.313060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013200/manifest.jsonobserved cc7382e4bb649a53ecfeee82abe451a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:19.000055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013200/publication.mdobserved 1dd7e49eb08d9bcc3f2640be4ac48003...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:18.507758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013200/publication.txtobserved 07ebaca94d8dc8f645afaeb0cf143ae2...fetched by grabo-systems from 34.44.131.203, 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. |
|---|