OT-2026-000019723
Publication integrity record
Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000019723) never changes.
Identity and time
| Publication number | OT-2026-000019723 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-7282-95a7-14dea1b7ec9c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019723 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0123cbb88d4bf63f3a128b26a5f58eb3504539d4fa4394e89c7250fbe9d40617 |
|---|---|
| Markdown | a5704d229e112b3639598ece01022c0570834aa6a84fa2ca7ecb5865f55f26d1 |
| Publication page | 753e3e0d8e040592abae34b0058beaa29770e54cb6647151fd49dd62df57a595 |
| Manifest | 4e02e30bccd28aacd947dd434eddba1eba738f868a79d3599a3ee2fb393a87d0 |
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 | TMWDKFLKSJev3mCoTBta5BA+kPQZbVuDlE4OBXIeil/eFMNCHlnenwkS9rw6A8KqQaqOkjP8PDtpp3nV+Ym0AQ== |
| 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
| 2026-10-26T20:41:09.920039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723observed 753e3e0d8e040592abae34b0058beaa2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T20:41:09.837424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723/manifest.jsonobserved 4e02e30bccd28aacd947dd434eddba1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T20:41:09.767194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723/publication.mdobserved a5704d229e112b3639598ece01022c05...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T20:41:09.678670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723/publication.txtobserved 0123cbb88d4bf63f3a128b26a5f58eb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:42:05.887171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723observed 753e3e0d8e040592abae34b0058beaa2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:42:05.832373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723/manifest.jsonobserved 4e02e30bccd28aacd947dd434eddba1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:42:05.761687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723/publication.mdobserved a5704d229e112b3639598ece01022c05...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:42:05.691007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019723/publication.txtobserved 0123cbb88d4bf63f3a128b26a5f58eb3...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 |
|---|