OT-2026-000031013
Publication integrity record
Two cup vacuum gripper, two outlet manifold, single 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-2026-000031013) never changes.
Identity and time
| Publication number | OT-2026-000031013 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-712f-af4a-26799fac81f9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031013 |
| Status | PUBLIC |
Content hashes
| Canonical text | 560f7135191f9af28b82f3a0af2ed4d4488ac1d0ff7b5860cc9420aab7528070 |
|---|---|
| Markdown | f92f44314497eaa60f69164aaaa7ca7a0e36cbff2c829423e2ed61f3498743ca |
| Publication page | 4fbfd0db300cefa1a64b2afb94708147c6811ebb735e150893a5478393c667cc |
| Manifest | 39be7b976af78e6500149461e7a415d8861e3dfa7fac31633a0a49841c70caea |
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 | dQpJ17HXPHiG5an6X1YI0WqijtXoxrXyNhF9VeFFStlF/nCtuLhcCUComOnTeobH9OwbwCR2F+BW3xig3j/ICA== |
| 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
| 2026-10-23T20:41:06.049329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013observed 4fbfd0db300cefa1a64b2afb94708147...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T20:41:06.002874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013/manifest.jsonobserved 39be7b976af78e6500149461e7a415d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:05.950056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013/publication.mdobserved f92f44314497eaa60f69164aaaa7ca7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:05.895606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013/publication.txtobserved 560f7135191f9af28b82f3a0af2ed4d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:19.425535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013observed 4fbfd0db300cefa1a64b2afb94708147...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:19.362105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013/manifest.jsonobserved 39be7b976af78e6500149461e7a415d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:19.284135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013/publication.mdobserved f92f44314497eaa60f69164aaaa7ca7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:19.227225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031013/publication.txtobserved 560f7135191f9af28b82f3a0af2ed4d4...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 |
|---|