OT-2026-000042761
Publication integrity record
Single cup vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000042761) never changes.
Identity and time
| Publication number | OT-2026-000042761 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-702b-8b9b-2cb0b3a921a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042761 |
| Status | PUBLIC |
Content hashes
| Canonical text | e27b4d78dba6dadf53e8dc5fd32cbd30659d1d3493c901f1c2162549da9bfc71 |
|---|---|
| Markdown | 12ea7613545f09f2f88f62c85450e766985f258fb103b95df2d773580ec89c19 |
| Publication page | 16fbd12ba0c6478f9ca3c62404b68d66e125459dc5c733821751fb8f3db1441b |
| Manifest | 5a6f713ca01528b4649b7f5eba95ea9095c36babe2291e67c3d880c5744c9980 |
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 | JLG/M+V8rf4FhVRj6BJCUpwoM5UAwRRcmCgtxc6UIAk4S5a3OpHHxMJUsbYJRRyOSc3CeOsnAZSEx5x0iOdrBw== |
| 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
| 2026-09-17T11:15:12.985840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042761observed 16fbd12ba0c6478f9ca3c62404b68d66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:12.966901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042761/manifest.jsonobserved 5a6f713ca01528b4649b7f5eba95ea90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:12.947877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042761/publication.mdobserved 12ea7613545f09f2f88f62c85450e766...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:12.929724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042761/publication.txtobserved e27b4d78dba6dadf53e8dc5fd32cbd30...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. |
|---|