{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LWIEBPIRE2FQNA6UGNP6JR7LSB","short_pith_number":"pith:LWIEBPIR","canonical_record":{"source":{"id":"1811.04061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-09T18:43:35Z","cross_cats_sorted":[],"title_canon_sha256":"9bfa26931753a670fb84a651c7c15b3f51877db2aa288b5b2165fcd9c31585f8","abstract_canon_sha256":"c2e618605bc92844e7af3b3d07b4a24dcf4561184517c1a6b76ba61a50db1958"},"schema_version":"1.0"},"canonical_sha256":"5d9040bd11268b0683d4335fe4c7eb9054c86e0c6f411c1d19970070ffa6aa04","source":{"kind":"arxiv","id":"1811.04061","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04061","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04061v2","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04061","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"LWIEBPIRE2FQ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LWIEBPIRE2FQNA6U","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LWIEBPIR","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LWIEBPIRE2FQNA6UGNP6JR7LSB","target":"record","payload":{"canonical_record":{"source":{"id":"1811.04061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-09T18:43:35Z","cross_cats_sorted":[],"title_canon_sha256":"9bfa26931753a670fb84a651c7c15b3f51877db2aa288b5b2165fcd9c31585f8","abstract_canon_sha256":"c2e618605bc92844e7af3b3d07b4a24dcf4561184517c1a6b76ba61a50db1958"},"schema_version":"1.0"},"canonical_sha256":"5d9040bd11268b0683d4335fe4c7eb9054c86e0c6f411c1d19970070ffa6aa04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:57.913422Z","signature_b64":"JWz4qNnxqXyZ5QFpYQpnpvW8awC+KzeM3DzOl4h8Omn35SSKX8Il0Fy3Zd4G+GudEhNVePzUDzMwf6QuiSvkAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d9040bd11268b0683d4335fe4c7eb9054c86e0c6f411c1d19970070ffa6aa04","last_reissued_at":"2026-05-17T23:45:57.912847Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:57.912847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.04061","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PerMVNHJ1R9/ZA+eCqOlRMmBLmN7TAHkoxZCPZm91KWkntIoZCvHuNd8vYC79VN8r3zqjsnJVZg/fb8J/UvBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:27:21.560668Z"},"content_sha256":"b6b60c61bd22de210d5e86409252335574586ccb3132a5b1e90d456b2c68a3d6","schema_version":"1.0","event_id":"sha256:b6b60c61bd22de210d5e86409252335574586ccb3132a5b1e90d456b2c68a3d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LWIEBPIRE2FQNA6UGNP6JR7LSB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A model for a dark matter core at the galactic center","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Daniele Malafarina, Kuantay Boshkayev","submitted_at":"2018-11-09T18:43:35Z","abstract_excerpt":"We consider a toy model for the supermassive compact object at the galactic center that does not require the presence of a black hole. We assume a matter distribution of weakly interacting particles with a density profile inferred from dark matter profiles in the outer regions. We show that rotation curves close to the center of the Milky Way galaxy can be explained within this model. We also show that the motion of test particles (stars) at distances of the order of 100 astronomical units can not be distinguished from the motion of corresponding particles in the Schwarzschild geometry. Howeve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04061","kind":"arxiv","version":2},"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":"2026-05-17T23:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7FClDt0afJJSSb9ImUXtIFM+rN7tloRekv0KXx7qgSmWhOL9RdenxOwU97aWh64S9uXNkAEp2C8kTZ5daZdGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:27:21.561011Z"},"content_sha256":"863fb131348f0e0e6ef08fd8f8e22c3a16c6b39c182eb3f74df04bdfb39dac94","schema_version":"1.0","event_id":"sha256:863fb131348f0e0e6ef08fd8f8e22c3a16c6b39c182eb3f74df04bdfb39dac94"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LWIEBPIRE2FQNA6UGNP6JR7LSB/bundle.json","state_url":"https://pith.science/pith/LWIEBPIRE2FQNA6UGNP6JR7LSB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LWIEBPIRE2FQNA6UGNP6JR7LSB/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":"2026-06-01T14:27:21Z","links":{"resolver":"https://pith.science/pith/LWIEBPIRE2FQNA6UGNP6JR7LSB","bundle":"https://pith.science/pith/LWIEBPIRE2FQNA6UGNP6JR7LSB/bundle.json","state":"https://pith.science/pith/LWIEBPIRE2FQNA6UGNP6JR7LSB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LWIEBPIRE2FQNA6UGNP6JR7LSB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LWIEBPIRE2FQNA6UGNP6JR7LSB","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":"c2e618605bc92844e7af3b3d07b4a24dcf4561184517c1a6b76ba61a50db1958","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-09T18:43:35Z","title_canon_sha256":"9bfa26931753a670fb84a651c7c15b3f51877db2aa288b5b2165fcd9c31585f8"},"schema_version":"1.0","source":{"id":"1811.04061","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04061","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04061v2","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04061","created_at":"2026-05-17T23:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"LWIEBPIRE2FQ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LWIEBPIRE2FQNA6U","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LWIEBPIR","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:863fb131348f0e0e6ef08fd8f8e22c3a16c6b39c182eb3f74df04bdfb39dac94","target":"graph","created_at":"2026-05-17T23:45:57Z","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 consider a toy model for the supermassive compact object at the galactic center that does not require the presence of a black hole. We assume a matter distribution of weakly interacting particles with a density profile inferred from dark matter profiles in the outer regions. We show that rotation curves close to the center of the Milky Way galaxy can be explained within this model. We also show that the motion of test particles (stars) at distances of the order of 100 astronomical units can not be distinguished from the motion of corresponding particles in the Schwarzschild geometry. Howeve","authors_text":"Daniele Malafarina, Kuantay Boshkayev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-09T18:43:35Z","title":"A model for a dark matter core at the galactic center"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04061","kind":"arxiv","version":2},"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:b6b60c61bd22de210d5e86409252335574586ccb3132a5b1e90d456b2c68a3d6","target":"record","created_at":"2026-05-17T23:45:57Z","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":"c2e618605bc92844e7af3b3d07b4a24dcf4561184517c1a6b76ba61a50db1958","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-09T18:43:35Z","title_canon_sha256":"9bfa26931753a670fb84a651c7c15b3f51877db2aa288b5b2165fcd9c31585f8"},"schema_version":"1.0","source":{"id":"1811.04061","kind":"arxiv","version":2}},"canonical_sha256":"5d9040bd11268b0683d4335fe4c7eb9054c86e0c6f411c1d19970070ffa6aa04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d9040bd11268b0683d4335fe4c7eb9054c86e0c6f411c1d19970070ffa6aa04","first_computed_at":"2026-05-17T23:45:57.912847Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:57.912847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JWz4qNnxqXyZ5QFpYQpnpvW8awC+KzeM3DzOl4h8Omn35SSKX8Il0Fy3Zd4G+GudEhNVePzUDzMwf6QuiSvkAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:57.913422Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.04061","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6b60c61bd22de210d5e86409252335574586ccb3132a5b1e90d456b2c68a3d6","sha256:863fb131348f0e0e6ef08fd8f8e22c3a16c6b39c182eb3f74df04bdfb39dac94"],"state_sha256":"2b47086a87c0d2faa44ebbc26a7ed84bfd1e4fd0b7a382d05f1ec5ec3cc01488"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B4Fugm78N9vtLsxZ8NM8K0QZb2INo6GVeCIw3RWACE1c/36muUme4RlEbV7ir8YLt3AeqEMlgnDBcehXQrk9Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T14:27:21.562892Z","bundle_sha256":"48ea002c69603221d7bb441367b2465234dd6acacd479c5e360218e484da0466"}}