OT-2026-000028556
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000028556) never changes.
Identity and time
| Publication number | OT-2026-000028556 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-735b-adc6-e1267d38b2f2 · 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-2026-000028556 |
| Status | PUBLIC |
Content hashes
| Canonical text | 944535692814b9fd7420fa077909762ffbf1aaeda3a775d1ab93c73a54281d0e |
|---|---|
| Markdown | 0d136c640a607b61761d83e9f85eafc62705647c0edec2700c6f3ac8f6deb1d7 |
| Publication page | 9dc4f2a0b3499211e7fbbb33768c0a58dc7119ccd14e00ac56b188e3732e9c78 |
| Manifest | 3e913a30a87fc2a662b005429a539ba7c4f70757b7e677dcdeba8a67b98d91b4 |
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 | 9GEWtmRnJDjHYB5RwvCam14Lbsmv0WDeNFGHPkjMYp+0W1ovfvD2s734ArDIp8ZDHShPx1nSPvng0QzqMQ/mAw== |
| 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
| 2026-09-17T11:40:50.424482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028556observed 9dc4f2a0b3499211e7fbbb33768c0a58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:50.407451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028556/manifest.jsonobserved 3e913a30a87fc2a662b005429a539ba7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.387684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028556/publication.mdobserved 0d136c640a607b61761d83e9f85eafc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:50.369021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028556/publication.txtobserved 944535692814b9fd7420fa077909762f...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. |
|---|