OT-2026-000038165
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000038165) never changes.
Identity and time
| Publication number | OT-2026-000038165 · never reused |
|---|---|
| Internal UUID | 01a0ae78-2d50-750f-bf1b-22a016ce89c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:06.661829Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038165 |
| Status | PUBLIC |
Content hashes
| Canonical text | da7b3e1dd56c1cab11d4d985159eac5e8a81095331a05bb742dfb1b2fccc48b6 |
|---|---|
| Markdown | 5d7ff558d4f500e3fdc56ba47f2658c875b3dcbfb00c32e18227e49f7a439eda |
| Publication page | 57a424bae14480280c80123a23b52d5bf76e3e2a53619ec8cf5933f6c8de7d06 |
| Manifest | b94226400bdc582be664d8cd5810c1cc413b8109b6f4c29eff641441eb0f1d56 |
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 | Ug1LTgCXaFLhtWQFRAtxaynZdLxXKPnFGzjhkJYG2maqB2Ii7JOD0NyczvuxpkvuXsLHSUX9AqVucwqnm9AvCA== |
| 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
| 2026-10-17T04:41:38.638026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165observed 57a424bae14480280c80123a23b52d5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:41:38.565013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165/manifest.jsonobserved b94226400bdc582be664d8cd5810c1cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:38.468212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165/publication.mdobserved 5d7ff558d4f500e3fdc56ba47f2658c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:38.320095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165/publication.txtobserved da7b3e1dd56c1cab11d4d985159eac5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:19.384062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165observed 57a424bae14480280c80123a23b52d5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:19.312633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165/manifest.jsonobserved b94226400bdc582be664d8cd5810c1cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:19.197062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165/publication.mdobserved 5d7ff558d4f500e3fdc56ba47f2658c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:19.055280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038165/publication.txtobserved da7b3e1dd56c1cab11d4d985159eac5e...fetched by grabo-systems from 34.44.131.203, 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 |
|---|