OT-2026-000019847
Publication integrity record
Three bellows cup vacuum gripper, three zone face, 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-2026-000019847) never changes.
Identity and time
| Publication number | OT-2026-000019847 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-72c8-bf6d-8d8973ed4bbd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019847 |
| Status | PUBLIC |
Content hashes
| Canonical text | 66dfa0a425da64b854213e8e56a4b1785005e374da01a96ff9055edf0043c74f |
|---|---|
| Markdown | 04c0636ddd0926fd991d69ddec0bcb610a5079bab4205b8cc90173d52dcfad99 |
| Publication page | e2e85d76d8c710f707a34df96590510171cdb79454c124518fc63987e86ec1cd |
| Manifest | 3ba8ca55f923d770473b716565c1bccb281d97448ff8528e7aec7f4679e42cf5 |
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 | yvxwN/l6P4LGEtWzQLZo3Si/Q/KgpYBb3cLYBB30dm/S9sv9JZtTUab8WV+VI/SLL6DWcFUZ7inUVVxdSTXzAg== |
| 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
| 2026-09-17T11:58:02.652968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019847observed e2e85d76d8c710f707a34df965905101...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:02.634783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019847/manifest.jsonobserved 3ba8ca55f923d770473b716565c1bccb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:02.616692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019847/publication.mdobserved 04c0636ddd0926fd991d69ddec0bcb61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:02.600143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019847/publication.txtobserved 66dfa0a425da64b854213e8e56a4b178...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. |
|---|