OT-2026-000046719
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000046719) never changes.
Identity and time
| Publication number | OT-2026-000046719 · never reused |
|---|---|
| Internal UUID | 01a0ae7e-57df-7816-884b-e846c462586d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:31:51.003526Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000046719 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6ce1cdb9caf7f090630608b5c29e9ff5d8aac7992c45d4e568353214a1c4865 |
|---|---|
| Markdown | 97062f6751a63ebdd977b974c4bd2b95cacbf19cf651b5e4ac2759766910441a |
| Publication page | 5c6b56d056903dff0e9f89e93051020a6f0be8770c986d5d35ad6143665dc8f1 |
| Manifest | 5bbdd86b237bbda4abdd1f3a886543b83275ccb9d4cd1fb7fc76e8b42f88724f |
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 | WiR3DvtROjtVH7q71+wz1TS0KU+iAPMO4EsOyUyMs5Jnv0MUbCXz0sGBLVP3XHeikmoxZpfTyelSHwSRa6jxDg== |
| 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
| 2026-10-18T04:41:22.783749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719observed 5c6b56d056903dff0e9f89e93051020a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T04:41:22.705219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719/manifest.jsonobserved 5bbdd86b237bbda4abdd1f3a886543b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:22.634927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719/publication.mdobserved 97062f6751a63ebdd977b974c4bd2b95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:22.518534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719/publication.txtobserved c6ce1cdb9caf7f090630608b5c29e9ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:05.487071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719observed 5c6b56d056903dff0e9f89e93051020a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:05.402196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719/manifest.jsonobserved 5bbdd86b237bbda4abdd1f3a886543b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:05.331810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719/publication.mdobserved 97062f6751a63ebdd977b974c4bd2b95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:05.228707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046719/publication.txtobserved c6ce1cdb9caf7f090630608b5c29e9ff...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 |
|---|