{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DBCWMW6O4Z5QU3R3VPMRBJIYLL","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"baaecc7cc16382449a16eaa72776fa6a37e73110837abffd15f533648f04e5b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-02T00:38:54Z","title_canon_sha256":"ae8f0c45fa65a54fc33dc82b0eee4f97e9315b00a1b0232fdf5ac13cc78d719e"},"schema_version":"1.0","source":{"id":"1903.00586","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.00586","created_at":"2026-05-17T23:52:14Z"},{"alias_kind":"arxiv_version","alias_value":"1903.00586v1","created_at":"2026-05-17T23:52:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.00586","created_at":"2026-05-17T23:52:14Z"},{"alias_kind":"pith_short_12","alias_value":"DBCWMW6O4Z5Q","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DBCWMW6O4Z5QU3R3","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DBCWMW6O","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:61005be002f804ab3d762e0d2515d26e3dca9b56a7ea109413c7428e42311cf1","target":"graph","created_at":"2026-05-17T23:52:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Point of care ultrasound (POCUS) consists in the use of ultrasound imaging in critical or emergency situations to support clinical decisions by healthcare professionals and first responders. In this setting it is essential to be able to provide means to obtain diagnostic data to potentially inexperienced users who did not receive an extensive medical training. Interpretation and acquisition of ultrasound images is not trivial. First, the user needs to find a suitable sound window which can be used to get a clear image, and then he needs to correctly interpret it to perform a diagnosis. Althoug","authors_text":"Fausto Milletari, Michal Sofka, Vighnesh Birodkar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-02T00:38:54Z","title":"Straight to the point: reinforcement learning for user guidance in ultrasound"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.00586","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:df21b3b42f3455086e92992803f8cae2d9895da20b592d7eb93e6354c7d3807a","target":"record","created_at":"2026-05-17T23:52:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"baaecc7cc16382449a16eaa72776fa6a37e73110837abffd15f533648f04e5b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-02T00:38:54Z","title_canon_sha256":"ae8f0c45fa65a54fc33dc82b0eee4f97e9315b00a1b0232fdf5ac13cc78d719e"},"schema_version":"1.0","source":{"id":"1903.00586","kind":"arxiv","version":1}},"canonical_sha256":"1845665bcee67b0a6e3babd910a5185ae357e491530bbd9cb78a0739edb84bd5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1845665bcee67b0a6e3babd910a5185ae357e491530bbd9cb78a0739edb84bd5","first_computed_at":"2026-05-17T23:52:14.067241Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:14.067241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"16gFOHjVuYQwcyuCFmV8ZwWAfPoulzfv+/eSqDRuz9IvtIU1V1sK7GFfQda39d3Hxl1VEryIQCpZU12FQ4fzDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:14.067910Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.00586","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df21b3b42f3455086e92992803f8cae2d9895da20b592d7eb93e6354c7d3807a","sha256:61005be002f804ab3d762e0d2515d26e3dca9b56a7ea109413c7428e42311cf1"],"state_sha256":"a0a5145b32199f99ac2061c87dca21b7b5e32fce9dbd392f9cc1768205873690"}