OT-2026-000047090
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000047090) never changes.
Identity and time
| Publication number | OT-2026-000047090 · never reused |
|---|---|
| Internal UUID | 01a0ae7e-d0f8-73e0-a2c3-d800b7762851 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:32:21.770727Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047090 |
| Status | PUBLIC |
Content hashes
| Canonical text | e02c0ffc937aaefec1831cac7c41dfb4832f0d7d99f74843c04f00dd6415dc33 |
|---|---|
| Markdown | ac7f60fbd3c8971985a4dd706f54c051b0b53941c9e326657b0658e97c3a6ac4 |
| Publication page | 7315bb58fbeb3cd4b4ef42ac6ce0413d263a9ed34a2b636e663f160223525afa |
| Manifest | f1f7ffe40691d0f7e2c81926cff1ae735f09ae4249478d0ab50b7fec2c57c572 |
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 | KGKHvt0yOMtlKucWwhg+Tic/VPr/PIN0AwIcRfB4k1U3oX2F2Qc4Uxmn95laDtFsnHyM4UQdacImHWHdxahZDg== |
| 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
| 2026-11-04T04:41:41.550384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090observed 7315bb58fbeb3cd4b4ef42ac6ce0413d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T04:41:41.502373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090/manifest.jsonobserved f1f7ffe40691d0f7e2c81926cff1ae73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T04:41:41.437827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090/publication.mdobserved ac7f60fbd3c8971985a4dd706f54c051...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T04:41:41.379934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090/publication.txtobserved e02c0ffc937aaefec1831cac7c41dfb4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:36.066404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090observed 7315bb58fbeb3cd4b4ef42ac6ce0413d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:35.999934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090/manifest.jsonobserved f1f7ffe40691d0f7e2c81926cff1ae73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:35.938058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090/publication.mdobserved ac7f60fbd3c8971985a4dd706f54c051...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:35.876918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047090/publication.txtobserved e02c0ffc937aaefec1831cac7c41dfb4...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 |
|---|