{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:7T2GY6XSBFHOBHBM4IYOUNGUZ3","short_pith_number":"pith:7T2GY6XS","canonical_record":{"source":{"id":"astro-ph/0112445","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-12-19T13:19:37Z","cross_cats_sorted":[],"title_canon_sha256":"77a38d98edaa5736e8b9634b5107f0c80b7412b525dcf6575abe409f7a607bd6","abstract_canon_sha256":"aff6991402d207bf9477a4525d9692d5ef02c4cd5e7072e58f0459f2b6fbf1e1"},"schema_version":"1.0"},"canonical_sha256":"fcf46c7af2094ee09c2ce230ea34d4ceed53b2315a0e085643a95f0250931685","source":{"kind":"arxiv","id":"astro-ph/0112445","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0112445","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0112445v2","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0112445","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"pith_short_12","alias_value":"7T2GY6XSBFHO","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"7T2GY6XSBFHOBHBM","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"7T2GY6XS","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:7T2GY6XSBFHOBHBM4IYOUNGUZ3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0112445","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-12-19T13:19:37Z","cross_cats_sorted":[],"title_canon_sha256":"77a38d98edaa5736e8b9634b5107f0c80b7412b525dcf6575abe409f7a607bd6","abstract_canon_sha256":"aff6991402d207bf9477a4525d9692d5ef02c4cd5e7072e58f0459f2b6fbf1e1"},"schema_version":"1.0"},"canonical_sha256":"fcf46c7af2094ee09c2ce230ea34d4ceed53b2315a0e085643a95f0250931685","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:45.212832Z","signature_b64":"VjL/1+ifE3KjZLzB81W6caY61f7RXDbGsxqZKVUhrn3i31Zc3mSjiOLOd05q1gBYeo3PkqlrSqaca7wkEib4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcf46c7af2094ee09c2ce230ea34d4ceed53b2315a0e085643a95f0250931685","last_reissued_at":"2026-05-18T01:07:45.212268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:45.212268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0112445","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":"2026-05-18T01:07:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ByYSx+7rYleBUG8vHD/mNFLx2MkeJQUHMhiCELNWwwy7MprWWegyu4cVtmiWq/NUdhuYRIup6tkuluho54DiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:53:33.074740Z"},"content_sha256":"c5aa302a4c75f553f4a52c0247b472d0d602de609b7b121fa6942818268ae01c","schema_version":"1.0","event_id":"sha256:c5aa302a4c75f553f4a52c0247b472d0d602de609b7b121fa6942818268ae01c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:7T2GY6XSBFHOBHBM4IYOUNGUZ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Millisecond Pulsars as Probes of Mass Segregation in the Galactic Center","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrew Gould (The Ohio State University), Julio Chaname","submitted_at":"2001-12-19T13:19:37Z","abstract_excerpt":"We propose a simple test for the existence of a cluster of black hole remnants around Sgr A* that is based on a small sample of any type of Galactic Center objects, provided they are substantially less massive than the black holes and constitute part of an old (> 1 Gyr) population. The test relies on the fact that, under the presence of such a cluster of heavy remnants and because of energy equipartition, lower mass objects would be expelled from the central regions and settle into a distribution very different than the cusp expected to be induced by the supermassive black hole alone. We show "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0112445","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":"2026-05-18T01:07:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PqzlX5UMzS8kDk+cjuZLhNPkNH5UsaDuxpKiH6w0aNbkbjb1Prp1oLSpuUJttdcIJ9BuksLKuRR7LRcPw7ooAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:53:33.075102Z"},"content_sha256":"8b1dbe4083e89710f532f58f2c1eef9327a338295fc323f8c11b0eb0c9ec3f96","schema_version":"1.0","event_id":"sha256:8b1dbe4083e89710f532f58f2c1eef9327a338295fc323f8c11b0eb0c9ec3f96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7T2GY6XSBFHOBHBM4IYOUNGUZ3/bundle.json","state_url":"https://pith.science/pith/7T2GY6XSBFHOBHBM4IYOUNGUZ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7T2GY6XSBFHOBHBM4IYOUNGUZ3/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":"2026-05-28T12:53:33Z","links":{"resolver":"https://pith.science/pith/7T2GY6XSBFHOBHBM4IYOUNGUZ3","bundle":"https://pith.science/pith/7T2GY6XSBFHOBHBM4IYOUNGUZ3/bundle.json","state":"https://pith.science/pith/7T2GY6XSBFHOBHBM4IYOUNGUZ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7T2GY6XSBFHOBHBM4IYOUNGUZ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:7T2GY6XSBFHOBHBM4IYOUNGUZ3","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":"aff6991402d207bf9477a4525d9692d5ef02c4cd5e7072e58f0459f2b6fbf1e1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-12-19T13:19:37Z","title_canon_sha256":"77a38d98edaa5736e8b9634b5107f0c80b7412b525dcf6575abe409f7a607bd6"},"schema_version":"1.0","source":{"id":"astro-ph/0112445","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0112445","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0112445v2","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0112445","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"pith_short_12","alias_value":"7T2GY6XSBFHO","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"7T2GY6XSBFHOBHBM","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"7T2GY6XS","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:8b1dbe4083e89710f532f58f2c1eef9327a338295fc323f8c11b0eb0c9ec3f96","target":"graph","created_at":"2026-05-18T01:07:45Z","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 propose a simple test for the existence of a cluster of black hole remnants around Sgr A* that is based on a small sample of any type of Galactic Center objects, provided they are substantially less massive than the black holes and constitute part of an old (> 1 Gyr) population. The test relies on the fact that, under the presence of such a cluster of heavy remnants and because of energy equipartition, lower mass objects would be expelled from the central regions and settle into a distribution very different than the cusp expected to be induced by the supermassive black hole alone. We show ","authors_text":"Andrew Gould (The Ohio State University), Julio Chaname","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-12-19T13:19:37Z","title":"Millisecond Pulsars as Probes of Mass Segregation in the Galactic Center"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0112445","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:c5aa302a4c75f553f4a52c0247b472d0d602de609b7b121fa6942818268ae01c","target":"record","created_at":"2026-05-18T01:07:45Z","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":"aff6991402d207bf9477a4525d9692d5ef02c4cd5e7072e58f0459f2b6fbf1e1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-12-19T13:19:37Z","title_canon_sha256":"77a38d98edaa5736e8b9634b5107f0c80b7412b525dcf6575abe409f7a607bd6"},"schema_version":"1.0","source":{"id":"astro-ph/0112445","kind":"arxiv","version":2}},"canonical_sha256":"fcf46c7af2094ee09c2ce230ea34d4ceed53b2315a0e085643a95f0250931685","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcf46c7af2094ee09c2ce230ea34d4ceed53b2315a0e085643a95f0250931685","first_computed_at":"2026-05-18T01:07:45.212268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:45.212268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VjL/1+ifE3KjZLzB81W6caY61f7RXDbGsxqZKVUhrn3i31Zc3mSjiOLOd05q1gBYeo3PkqlrSqaca7wkEib4BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:45.212832Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0112445","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5aa302a4c75f553f4a52c0247b472d0d602de609b7b121fa6942818268ae01c","sha256:8b1dbe4083e89710f532f58f2c1eef9327a338295fc323f8c11b0eb0c9ec3f96"],"state_sha256":"5fb8cd5bb8eec2458f4265ab879553f4ba62b7704d745da82af2df64a9c7ce9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ckgRcmA+0IF3bJ06l2Q8IjFs2Q/Ou34Jqogoyp/rrhZMGuu6yqorxrS3XXcPlXKJOM54mAqJqk9/kcjxHiUuDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:53:33.077110Z","bundle_sha256":"327bd3ab6b2c6b20016e608602dd479b295a2f8f9e2f86a08dbae59d23429111"}}