OT-2026-000031529
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000031529) never changes.
Identity and time
| Publication number | OT-2026-000031529 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7869-8968-b3811d6faa37 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031529 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b39129d62d2f0974200f45a0f11888483e83f4f56fb99cc2408bde71ee55e9f |
|---|---|
| Markdown | c35de9dc8bef3841284506f8565cb98a46f908a5d3a2ff5fcb8ad8b0d07f45e0 |
| Publication page | 9dea4d5045012c6a6e90834c152c0489c140336df3a21b113b82d67442026c5c |
| Manifest | c5f6bdc02159b06634e73690d69c2cfcf133944c833c18c2bbc1b1046a03a659 |
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 | 046oEdb3ilVtFoU9cvZrlWXi8u5iHNHbFfe4pDrBg01qSMRYufchzBpl6lgMmpRBQ4HaZ2GQ80g8Tf2fxka4Aw== |
| 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
| 2026-10-16T04:41:30.848920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529observed 9dea4d5045012c6a6e90834c152c0489...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:41:30.775503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529/manifest.jsonobserved c5f6bdc02159b06634e73690d69c2cfc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:30.697958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529/publication.mdobserved c35de9dc8bef3841284506f8565cb98a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:30.615767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529/publication.txtobserved 3b39129d62d2f0974200f45a0f118884...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:11.736176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529observed 9dea4d5045012c6a6e90834c152c0489...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:11.721018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529/manifest.jsonobserved c5f6bdc02159b06634e73690d69c2cfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:11.705435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529/publication.mdobserved c35de9dc8bef3841284506f8565cb98a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:11.686190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031529/publication.txtobserved 3b39129d62d2f0974200f45a0f118884...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|