{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:4VHIJQI4I4V47Z7GH5KEISXZ5L","short_pith_number":"pith:4VHIJQI4","canonical_record":{"source":{"id":"1906.02273","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-05T19:38:32Z","cross_cats_sorted":[],"title_canon_sha256":"e09904ad06f4938e84037f8546188c9e628a5b241d53eee4abc5f38939648694","abstract_canon_sha256":"b0325a1e95db5eba51728ec095f77ca4ab83b4090b778c6f9b8760099970e85c"},"schema_version":"1.0"},"canonical_sha256":"e54e84c11c472bcfe7e63f54444af9ead9258da2b71b572465fbc840a3230861","source":{"kind":"arxiv","id":"1906.02273","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02273","created_at":"2026-05-17T23:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02273v3","created_at":"2026-05-17T23:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02273","created_at":"2026-05-17T23:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"4VHIJQI4I4V4","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"4VHIJQI4I4V47Z7G","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"4VHIJQI4","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:4VHIJQI4I4V47Z7GH5KEISXZ5L","target":"record","payload":{"canonical_record":{"source":{"id":"1906.02273","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-05T19:38:32Z","cross_cats_sorted":[],"title_canon_sha256":"e09904ad06f4938e84037f8546188c9e628a5b241d53eee4abc5f38939648694","abstract_canon_sha256":"b0325a1e95db5eba51728ec095f77ca4ab83b4090b778c6f9b8760099970e85c"},"schema_version":"1.0"},"canonical_sha256":"e54e84c11c472bcfe7e63f54444af9ead9258da2b71b572465fbc840a3230861","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:03.367673Z","signature_b64":"oyuf6MH+rV2sbNzLD9wEFCTXp+slzhQerAcKLL/omWpmJJP6kPKr7P2k0YORsroQ5B6t4BToHvXti6M6lgG9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e54e84c11c472bcfe7e63f54444af9ead9258da2b71b572465fbc840a3230861","last_reissued_at":"2026-05-17T23:40:03.366930Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:03.366930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.02273","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BzuSpYrJ+YqgrrSfhED521xdGhg42zK3TOJDg3RL4nwccKjWWs2gMqNUdBYrgvH/TcCVCVBLDfsUEC4W7FqrDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T10:53:27.372223Z"},"content_sha256":"07c48d220ede1e2de162f686b23679479ab39c85da73ffeee0739d22a4cfc582","schema_version":"1.0","event_id":"sha256:07c48d220ede1e2de162f686b23679479ab39c85da73ffeee0739d22a4cfc582"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:4VHIJQI4I4V47Z7GH5KEISXZ5L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The EDGE-CALIFA Survey: Exploring the Star Formation Law through Variable Selection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alberto Bolatto, Biprateep Dey, Dario Colombo, Dyas Utomo, Erik Rosolowsky, Jason Loeppky, Leo Blitz, Rub\\'en Garc\\'ia-Benito, Sebastian F. Sanchez, Stuart Vogel, Tony Wong, Veslina Kalinova, Yixian Cao","submitted_at":"2019-06-05T19:38:32Z","abstract_excerpt":"We present a multilinear analysis to determine the significant predictors of star formation in galaxies using the combined EDGE-CALIFA sample of galaxies. We analyze 1845 kpc-scale lines of sight across 39 galaxies with molecular line emission measurements from EDGE combined with optical IFU data drawn from CALIFA. We use the Least Absolute Shrinkage and Selection Operator (LASSO) to identify significant factors in predicting star formation rates. We find that the local star formation rate surface density is increased by higher molecular gas surface densities and stellar surface densities. In "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02273","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SojSLqd5IJazr8eezAM/cyD0ehttG3XvwUyIHW6DVsMIQu0fqr1gE2pM1RRxtnSoka18swWSZ2Olh4oONX2aAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T10:53:27.372592Z"},"content_sha256":"2d6999dff45b256c37b6d16a403799a9828e8327cc753ced341b9f0c93180b5a","schema_version":"1.0","event_id":"sha256:2d6999dff45b256c37b6d16a403799a9828e8327cc753ced341b9f0c93180b5a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4VHIJQI4I4V47Z7GH5KEISXZ5L/bundle.json","state_url":"https://pith.science/pith/4VHIJQI4I4V47Z7GH5KEISXZ5L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4VHIJQI4I4V47Z7GH5KEISXZ5L/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T10:53:27Z","links":{"resolver":"https://pith.science/pith/4VHIJQI4I4V47Z7GH5KEISXZ5L","bundle":"https://pith.science/pith/4VHIJQI4I4V47Z7GH5KEISXZ5L/bundle.json","state":"https://pith.science/pith/4VHIJQI4I4V47Z7GH5KEISXZ5L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4VHIJQI4I4V47Z7GH5KEISXZ5L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:4VHIJQI4I4V47Z7GH5KEISXZ5L","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":"b0325a1e95db5eba51728ec095f77ca4ab83b4090b778c6f9b8760099970e85c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-05T19:38:32Z","title_canon_sha256":"e09904ad06f4938e84037f8546188c9e628a5b241d53eee4abc5f38939648694"},"schema_version":"1.0","source":{"id":"1906.02273","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02273","created_at":"2026-05-17T23:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02273v3","created_at":"2026-05-17T23:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02273","created_at":"2026-05-17T23:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"4VHIJQI4I4V4","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"4VHIJQI4I4V47Z7G","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"4VHIJQI4","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:2d6999dff45b256c37b6d16a403799a9828e8327cc753ced341b9f0c93180b5a","target":"graph","created_at":"2026-05-17T23:40:03Z","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":"We present a multilinear analysis to determine the significant predictors of star formation in galaxies using the combined EDGE-CALIFA sample of galaxies. We analyze 1845 kpc-scale lines of sight across 39 galaxies with molecular line emission measurements from EDGE combined with optical IFU data drawn from CALIFA. We use the Least Absolute Shrinkage and Selection Operator (LASSO) to identify significant factors in predicting star formation rates. We find that the local star formation rate surface density is increased by higher molecular gas surface densities and stellar surface densities. In ","authors_text":"Alberto Bolatto, Biprateep Dey, Dario Colombo, Dyas Utomo, Erik Rosolowsky, Jason Loeppky, Leo Blitz, Rub\\'en Garc\\'ia-Benito, Sebastian F. Sanchez, Stuart Vogel, Tony Wong, Veslina Kalinova, Yixian Cao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-05T19:38:32Z","title":"The EDGE-CALIFA Survey: Exploring the Star Formation Law through Variable Selection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02273","kind":"arxiv","version":3},"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":"sha256:07c48d220ede1e2de162f686b23679479ab39c85da73ffeee0739d22a4cfc582","target":"record","created_at":"2026-05-17T23:40:03Z","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":"b0325a1e95db5eba51728ec095f77ca4ab83b4090b778c6f9b8760099970e85c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-05T19:38:32Z","title_canon_sha256":"e09904ad06f4938e84037f8546188c9e628a5b241d53eee4abc5f38939648694"},"schema_version":"1.0","source":{"id":"1906.02273","kind":"arxiv","version":3}},"canonical_sha256":"e54e84c11c472bcfe7e63f54444af9ead9258da2b71b572465fbc840a3230861","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e54e84c11c472bcfe7e63f54444af9ead9258da2b71b572465fbc840a3230861","first_computed_at":"2026-05-17T23:40:03.366930Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:03.366930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oyuf6MH+rV2sbNzLD9wEFCTXp+slzhQerAcKLL/omWpmJJP6kPKr7P2k0YORsroQ5B6t4BToHvXti6M6lgG9Dw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:03.367673Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.02273","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07c48d220ede1e2de162f686b23679479ab39c85da73ffeee0739d22a4cfc582","sha256:2d6999dff45b256c37b6d16a403799a9828e8327cc753ced341b9f0c93180b5a"],"state_sha256":"630e8bd942a50c5028d3746f8259127169254b3c7b08fa9053c1df005cd7c669"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HbIjJhUHviy1arMiXlqf0sGw777lgDuOTiLUwP3yl2WXAVtQD9G9Cp2LyToHeF8ZNXyQvkDw+luurZr8WMp3DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T10:53:27.374386Z","bundle_sha256":"9697c475c729401670d4c02410762a14b59b6b035c9a424e4d805bf0d62d0b34"}}