OT-2026-000028569
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000028569) never changes.
Identity and time
| Publication number | OT-2026-000028569 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7d9e-bc5d-3bcf570677ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028569 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6422c3432ad3c6903eebb69e174c52f228c9b3c0d004fc454f2b34e53b2a8c9 |
|---|---|
| Markdown | 211770fb76945761bfb34fce05844223e280f93764a5b3d105c573cbdd5f9471 |
| Publication page | 24fdffb04d6a61c12450b878041eac02ab4b1d27dff051b8f8694f49dd982e46 |
| Manifest | 3148786494df936f96b5c053b566d8c2cff97fe0bacf25ba353dbd5e29cba36d |
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 | ZS1yrZgDgJaF7ImO0oY13j7SIn017OgGX/u9jeWRvFVyHQDCMG4lT7ib6a6KDDNbfan6RSP2E811eYM3uHYkDw== |
| 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
| 2026-09-17T11:40:51.405194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028569observed 24fdffb04d6a61c12450b878041eac02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:51.389129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028569/manifest.jsonobserved 3148786494df936f96b5c053b566d8c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.373581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028569/publication.mdobserved 211770fb76945761bfb34fce05844223...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.357089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028569/publication.txtobserved c6422c3432ad3c6903eebb69e174c52f...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. |
|---|