OT-2026-000048031
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048031) never changes.
Identity and time
| Publication number | OT-2026-000048031 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-c423-738c-b4ab-3c474844f7b7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:24.028554Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048031 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbf07268c3068f540804823e9381fe17d9d936256d0db32c8d8524cd903c50e7 |
|---|---|
| Markdown | 495d5329155552306b656a51e9c1539943e17cf9281b78a560f28db86e95c3e5 |
| Publication page | 213eafdf911c0cc734be316e1ab3df97dc7f72746d97f48b356c27a2afe64fa3 |
| Manifest | 43f14c662083fa6c36d88a95d923c6706aca38cc5d9a52a6a1e0e91ba6a42cf8 |
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 | LTeLsWesCNEg1cmfS4GrebfP/qx/uw9FUdUZO+tMV0fv7UXs8KnjoAPdaDehynevxwwJn8uSEggtEdaEhIqoAA== |
| 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
| 2026-09-17T11:06:01.792040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048031observed 213eafdf911c0cc734be316e1ab3df97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:06:01.773702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048031/manifest.jsonobserved 43f14c662083fa6c36d88a95d923c670...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:06:01.756188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048031/publication.mdobserved 495d5329155552306b656a51e9c15399...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:06:01.738820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048031/publication.txtobserved bbf07268c3068f540804823e9381fe17...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. |
|---|