OT-2026-000042909
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after set-down
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-2026-000042909) never changes.
Identity and time
| Publication number | OT-2026-000042909 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7915-92fc-e9681c98a03c · 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-2026-000042909 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2ca6baa23ddf2773e93f34730dc90eeac6494dfb448cfcbc688dd81ce261d7c |
|---|---|
| Markdown | 8006f8fefd560ec72d87f4290f91075a8d0c4a92e672235e8a2f39099062bcd6 |
| Publication page | 40c4e78d9c5181edd7fc2f8d18cbd574ea005ecbce1846fa167ef9f768df43a3 |
| Manifest | a309b1abbef99830f1811ba3cbd909693a06d8555aa51dfc563ec8a9f34c94ff |
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 | Kmr0yxnHY5i5mShyO6prR6tdD0SY/esj1hCQHvgrUCjgAbDnxci0bRn1TcuN+5AmejLQrA6UsEiGN7TpVpxrDA== |
| 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
| 2026-09-17T11:15:25.217937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042909observed 40c4e78d9c5181edd7fc2f8d18cbd574...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:25.197982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042909/manifest.jsonobserved a309b1abbef99830f1811ba3cbd90969...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:25.178619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042909/publication.mdobserved 8006f8fefd560ec72d87f4290f91075a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:25.158384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042909/publication.txtobserved b2ca6baa23ddf2773e93f34730dc90ee...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. |
|---|