OT-2026-000100742
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000100742) never changes.
Identity and time
| Publication number | OT-2026-000100742 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f4-785c-86de-3bf9187fce58 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100742 |
| Status | PUBLIC |
Content hashes
| Canonical text | d6a99f7d44838664cb88607284af7e88eeb87893dcf417a2f2bff55f64a26a1f |
|---|---|
| Markdown | 2e0d6e90df18e9d90bf5e8625d5cca318145b399c211accdef082d3c24f05eb0 |
| Publication page | df4acc02f71a441cd1d84ab988e520d5c32968fd71dde2747507912b3c8b6383 |
| Manifest | f9a6f15f159f0e14a6173e602cdc76641120adc41264cd708a12148cbcc86954 |
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 | 3W6uS1IWQttHzS5MdJCvzttwv8dCqCxnxg4e4jFUZzeghN5p2UVK3ZnzlNsVLSLXfHwRTZ3axHSR0P2QoJLQDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
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Independent retrieval
| 2026-09-28T00:41:59.091888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742observed df4acc02f71a441cd1d84ab988e520d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T00:41:58.954134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742/manifest.jsonobserved f9a6f15f159f0e14a6173e602cdc7664...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:58.802519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742/publication.mdobserved 2e0d6e90df18e9d90bf5e8625d5cca31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:41:58.632412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742/publication.txtobserved d6a99f7d44838664cb88607284af7e88...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:55.997638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742observed df4acc02f71a441cd1d84ab988e520d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:55.939432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742/manifest.jsonobserved f9a6f15f159f0e14a6173e602cdc7664...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:55.880434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742/publication.mdobserved 2e0d6e90df18e9d90bf5e8625d5cca31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:55.816479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100742/publication.txtobserved d6a99f7d44838664cb88607284af7e88...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 |
|---|