OT-2026-000027908
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000027908) never changes.
Identity and time
| Publication number | OT-2026-000027908 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-758e-b96e-20e8a8532f66 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027908 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4905799fd52a77548d59f2f1c8a79049616b835e0a995bec1c591e9d55cf2e77 |
|---|---|
| Markdown | 9b09736713a42d183c9a53820244ae8ebc7e6d0369f5e80781a866ea23022da6 |
| Publication page | a872b82a3b9da531fb5dd0e2f553a21abbd1a35568d32bbf1e33f4fc5fb4bb6f |
| Manifest | 0429970dcb6da3c451c6f62ce484ff926d8637b1563112107fb1acbc447d3ac6 |
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 | dvTgJsXGmhcPEC7VUIFgfH2DyH6Z7v7GvdNFkwNVFvBsVemwbhiO9Nlpy/Dzrn1UtAPQ8hcDzZnXfQHa3TamBg== |
| 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
| 2026-10-27T04:42:04.120076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908observed a872b82a3b9da531fb5dd0e2f553a21a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T04:42:04.017327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908/manifest.jsonobserved 0429970dcb6da3c451c6f62ce484ff92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:42:03.943832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908/publication.mdobserved 9b09736713a42d183c9a53820244ae8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:42:03.839788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908/publication.txtobserved 4905799fd52a77548d59f2f1c8a79049...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:23:49.200299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908observed a872b82a3b9da531fb5dd0e2f553a21a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:23:49.186423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908/manifest.jsonobserved 0429970dcb6da3c451c6f62ce484ff92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:23:49.150938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908/publication.mdobserved 9b09736713a42d183c9a53820244ae8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:23:48.996641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027908/publication.txtobserved 4905799fd52a77548d59f2f1c8a79049...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 |
|---|