{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NFRIUHPI5EDTKY57IK2NXEXDDM","short_pith_number":"pith:NFRIUHPI","canonical_record":{"source":{"id":"1911.00544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:29:59Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"4035a70c748e0332baf122a6fe7eb6eed07d6b3177f065540ba138a616e3d27d","abstract_canon_sha256":"206f6c8652402c19f2f1d6552cc550af06146a4d85667d30ba9b9ba8913f055f"},"schema_version":"1.0"},"canonical_sha256":"69628a1de8e9073563bf42b4db92e31b0a7302063c390d6683223d53e8f3fe53","source":{"kind":"arxiv","id":"1911.00544","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.00544","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1911.00544v1","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.00544","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"NFRIUHPI5EDT","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"pith_short_16","alias_value":"NFRIUHPI5EDTKY57","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"pith_short_8","alias_value":"NFRIUHPI","created_at":"2026-07-05T01:10:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NFRIUHPI5EDTKY57IK2NXEXDDM","target":"record","payload":{"canonical_record":{"source":{"id":"1911.00544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:29:59Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"4035a70c748e0332baf122a6fe7eb6eed07d6b3177f065540ba138a616e3d27d","abstract_canon_sha256":"206f6c8652402c19f2f1d6552cc550af06146a4d85667d30ba9b9ba8913f055f"},"schema_version":"1.0"},"canonical_sha256":"69628a1de8e9073563bf42b4db92e31b0a7302063c390d6683223d53e8f3fe53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:10:29.700329Z","signature_b64":"z+740chaDcITh4E0CjKHLVt2wfkUXpJxjycBQxzfBbL0WHWkmAG+LeIYJRH/hQK096owCEj/GNnib4uSXPRwAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69628a1de8e9073563bf42b4db92e31b0a7302063c390d6683223d53e8f3fe53","last_reissued_at":"2026-07-05T01:10:29.699838Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:10:29.699838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.00544","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PnEa05nKrQ9dUe3tiInQ8B10R3ZeT4jKq9Q1zCipwvYtnMap7PmEubwpNlNbZRkkidfyQ88qyxL5aHBYsYsZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:19:34.235095Z"},"content_sha256":"7637f758bbcff6dfff23f6384ec1c876b2625d549ca2d717bfd9ffb711081657","schema_version":"1.0","event_id":"sha256:7637f758bbcff6dfff23f6384ec1c876b2625d549ca2d717bfd9ffb711081657"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NFRIUHPI5EDTKY57IK2NXEXDDM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark Matter Cores and Cusps in Spiral Galaxies and their Explanations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph"],"primary_cat":"astro-ph.GA","authors_text":"Hai-Bo Yu, Manoj Kaplinghat, Tao Ren","submitted_at":"2019-11-01T18:29:59Z","abstract_excerpt":"We compare proposed solutions to the core vs cusp issue of spiral galaxies, which has also been framed as a diversity problem, and demonstrate that the cuspiness of dark matter halos is correlated with the stellar surface brightness. We compare the rotation curve fits to the SPARC sample from a self-interacting dark matter (SIDM) model, which self-consistently includes the impact of baryons on the halo profile, and hydrodynamical N-body simulations with cold dark matter (CDM). The SIDM model predicts a strong correlation between the core size and the stellar surface density, and it provides th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.00544","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1911.00544/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BDaRJAZS2lmqdS/RnpJlJN1obnSfIiGY6DVg20rvRu1wzpph47TsuVY3WpICYkDsMVdghpQ8DOyN7JrswRq/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:19:34.235607Z"},"content_sha256":"bad172e157918c886dda05ec08cf04196f0a5ab76ec13e5f4ee2a78e48955979","schema_version":"1.0","event_id":"sha256:bad172e157918c886dda05ec08cf04196f0a5ab76ec13e5f4ee2a78e48955979"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NFRIUHPI5EDTKY57IK2NXEXDDM/bundle.json","state_url":"https://pith.science/pith/NFRIUHPI5EDTKY57IK2NXEXDDM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NFRIUHPI5EDTKY57IK2NXEXDDM/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":"2026-08-06T13:19:34Z","links":{"resolver":"https://pith.science/pith/NFRIUHPI5EDTKY57IK2NXEXDDM","bundle":"https://pith.science/pith/NFRIUHPI5EDTKY57IK2NXEXDDM/bundle.json","state":"https://pith.science/pith/NFRIUHPI5EDTKY57IK2NXEXDDM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NFRIUHPI5EDTKY57IK2NXEXDDM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NFRIUHPI5EDTKY57IK2NXEXDDM","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":"206f6c8652402c19f2f1d6552cc550af06146a4d85667d30ba9b9ba8913f055f","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:29:59Z","title_canon_sha256":"4035a70c748e0332baf122a6fe7eb6eed07d6b3177f065540ba138a616e3d27d"},"schema_version":"1.0","source":{"id":"1911.00544","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.00544","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1911.00544v1","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.00544","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"NFRIUHPI5EDT","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"pith_short_16","alias_value":"NFRIUHPI5EDTKY57","created_at":"2026-07-05T01:10:29Z"},{"alias_kind":"pith_short_8","alias_value":"NFRIUHPI","created_at":"2026-07-05T01:10:29Z"}],"graph_snapshots":[{"event_id":"sha256:bad172e157918c886dda05ec08cf04196f0a5ab76ec13e5f4ee2a78e48955979","target":"graph","created_at":"2026-07-05T01:10:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1911.00544/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We compare proposed solutions to the core vs cusp issue of spiral galaxies, which has also been framed as a diversity problem, and demonstrate that the cuspiness of dark matter halos is correlated with the stellar surface brightness. We compare the rotation curve fits to the SPARC sample from a self-interacting dark matter (SIDM) model, which self-consistently includes the impact of baryons on the halo profile, and hydrodynamical N-body simulations with cold dark matter (CDM). The SIDM model predicts a strong correlation between the core size and the stellar surface density, and it provides th","authors_text":"Hai-Bo Yu, Manoj Kaplinghat, Tao Ren","cross_cats":["astro-ph.CO","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:29:59Z","title":"Dark Matter Cores and Cusps in Spiral Galaxies and their Explanations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.00544","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":"sha256:7637f758bbcff6dfff23f6384ec1c876b2625d549ca2d717bfd9ffb711081657","target":"record","created_at":"2026-07-05T01:10:29Z","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":"206f6c8652402c19f2f1d6552cc550af06146a4d85667d30ba9b9ba8913f055f","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:29:59Z","title_canon_sha256":"4035a70c748e0332baf122a6fe7eb6eed07d6b3177f065540ba138a616e3d27d"},"schema_version":"1.0","source":{"id":"1911.00544","kind":"arxiv","version":1}},"canonical_sha256":"69628a1de8e9073563bf42b4db92e31b0a7302063c390d6683223d53e8f3fe53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69628a1de8e9073563bf42b4db92e31b0a7302063c390d6683223d53e8f3fe53","first_computed_at":"2026-07-05T01:10:29.699838Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:10:29.699838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z+740chaDcITh4E0CjKHLVt2wfkUXpJxjycBQxzfBbL0WHWkmAG+LeIYJRH/hQK096owCEj/GNnib4uSXPRwAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:10:29.700329Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.00544","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7637f758bbcff6dfff23f6384ec1c876b2625d549ca2d717bfd9ffb711081657","sha256:bad172e157918c886dda05ec08cf04196f0a5ab76ec13e5f4ee2a78e48955979"],"state_sha256":"e63a1611aa89aea4e388df1038bd9215790bbe59708546cb6bdbad8fa5b770a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R3KLD1ud2egF3T1dSOHlGbRhI4j2mR3Df6miQOEHq6knyXj9e/0zL7otEQThMq4kjO7jR/77NHvCyu1sDkQ2Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T13:19:34.239572Z","bundle_sha256":"7b01cd5fa8542ad898a980b2eab5bf4fd966581507ec98f1545c0ddfa8258892"}}