OT-2026-000041720
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000041720) never changes.
Identity and time
| Publication number | OT-2026-000041720 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a1-7ee9-8f76-b6c4bcc8bda4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041720 |
| Status | PUBLIC |
Content hashes
| Canonical text | f14223724120adc3ded057eb327574123c2bf1c6e28fa11b8f543d671c8ff96c |
|---|---|
| Markdown | d1ef5ab6f490b5c18323fda4a25930173aaa77950b6cf08a6881a51498175382 |
| Publication page | cf41496dacd7be72b0bfeff74c196f02f28b7017f5edc45a02dc773db1e55c93 |
| Manifest | 48c940743e42d5f1ad2fc9eff333fc09316bad7c3c8b90076ca26cfcccdda287 |
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 | kzB368iQYwc78kWBwu4VN6ma9m7+WhX1m7s7THOxMfjUTAnA+Lr9BjSU/wX2PbkuaA7Jn/saircgD/k/5j9pCQ== |
| 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
| 2026-09-30T08:41:15.812509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720observed cf41496dacd7be72b0bfeff74c196f02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T08:41:15.761960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720/manifest.jsonobserved 48c940743e42d5f1ad2fc9eff333fc09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:15.707144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720/publication.mdobserved d1ef5ab6f490b5c18323fda4a2593017...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:15.642596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720/publication.txtobserved f14223724120adc3ded057eb32757412...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:39.009099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720observed cf41496dacd7be72b0bfeff74c196f02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:38.955166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720/manifest.jsonobserved 48c940743e42d5f1ad2fc9eff333fc09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:38.869711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720/publication.mdobserved d1ef5ab6f490b5c18323fda4a2593017...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:38.797288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041720/publication.txtobserved f14223724120adc3ded057eb32757412...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 |
|---|