OT-2026-000048375
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000048375) never changes.
Identity and time
| Publication number | OT-2026-000048375 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de4-7a5b-96f5-da930ffb51f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048375 |
| Status | PUBLIC |
Content hashes
| Canonical text | 22676c1f5778bd46bc580bb8f60dcf480834b92d2d71c141055b9758e97c99da |
|---|---|
| Markdown | 0831871a7ac1e8d7c32283d1a240f54e0ccd05c975214e4439f8702b49fdcd32 |
| Publication page | 4f6eb2e8aa3cf46f602b6926e0400d9f250c5530b1ef1c7210d60ed5799c312d |
| Manifest | cfcf6ed8af18f8ac41e66261a9472a84c7e892b083714e84d1470f8b1dfdccc7 |
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 | v3du4fGqfFfBQRzOCF3oI+TnXUCjf9fOCM1ASUobxO03Rh5y5jwne7hktEFkWlKoXNEvW1i+zwa3S5znU0zaAA== |
| 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
| 2026-10-17T08:41:48.720151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375observed 4f6eb2e8aa3cf46f602b6926e0400d9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T08:41:48.669078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375/manifest.jsonobserved cfcf6ed8af18f8ac41e66261a9472a84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:48.618262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375/publication.mdobserved 0831871a7ac1e8d7c32283d1a240f54e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:48.522603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375/publication.txtobserved 22676c1f5778bd46bc580bb8f60dcf48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:11.517233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375observed 4f6eb2e8aa3cf46f602b6926e0400d9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:11.457128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375/manifest.jsonobserved cfcf6ed8af18f8ac41e66261a9472a84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:11.351364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375/publication.mdobserved 0831871a7ac1e8d7c32283d1a240f54e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:11.197773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048375/publication.txtobserved 22676c1f5778bd46bc580bb8f60dcf48...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 |
|---|