OT-2026-000019620
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000019620) never changes.
Identity and time
| Publication number | OT-2026-000019620 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb2-78c2-ae17-5c9d07e42f32 · 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-2026-000019620 |
| Status | PUBLIC |
Content hashes
| Canonical text | 17a22414d284736426c959944d4c6bf336c33735e8cef5af85ce2501430cfda4 |
|---|---|
| Markdown | 9c15e8481381dfee8ed390255a6f697f873634e1c52e15afcc3a1bd3739080a6 |
| Publication page | 2be53bd29b39181ba9933a85cf4543515c3c0a4116fad21248cccf24f879a52d |
| Manifest | 3d163c7195873ce8c4fc742ef34fe2d9950bd7fdb8e4b578ea1225b746f8784a |
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 | W/3i/sDLwjqqg8o2FO2iD4eUP2OEWOMnSULK8PIfgJZy7XXoNv6lS2P4OVz561OVZ5EO/neSNp6UeDndn6lcCQ== |
| 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
| 2026-09-17T11:57:40.375529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019620observed 2be53bd29b39181ba9933a85cf454351...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:40.354419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019620/manifest.jsonobserved 3d163c7195873ce8c4fc742ef34fe2d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:40.334654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019620/publication.mdobserved 9c15e8481381dfee8ed390255a6f697f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:40.315063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019620/publication.txtobserved 17a22414d284736426c959944d4c6bf3...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. |
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