OT-2026-000043689
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000043689) never changes.
Identity and time
| Publication number | OT-2026-000043689 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92d0-7e5c-ade7-d9e353b20237 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043689 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72b9c10600bc457d3cbb30d508600036b6a287e5e2109e2f5a4f4a9f76b79913 |
|---|---|
| Markdown | 079325eab19066c492d24e4dc1bba1da7269d314f49b84fabe8fdc12bd3a894a |
| Publication page | 2a43e1d59caed53abc604c257c28881436cedac673346f64c1845d2a501dc517 |
| Manifest | fc780e3a0ff9463fa9913422eba6d644f70638aa9fe6f819a97d6e0f6a41c026 |
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 | At+Jbem7Uw+i2qZywelOZcpL37VpgBAZJwigN5KAbIpL2rkN+AuLjZt5OVcXRXPY/keMfxmt9Q/03iNI0kjPCA== |
| 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
| 2026-09-17T11:13:10.876599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043689observed 2a43e1d59caed53abc604c257c288814...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:10.857920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043689/manifest.jsonobserved fc780e3a0ff9463fa9913422eba6d644...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:10.839104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043689/publication.mdobserved 079325eab19066c492d24e4dc1bba1da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:10.821236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043689/publication.txtobserved 72b9c10600bc457d3cbb30d508600036...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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