{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:4WLV3SB7ZUYKKT5CSWYCYPHMNB","short_pith_number":"pith:4WLV3SB7","schema_version":"1.0","canonical_sha256":"e5975dc83fcd30a54fa295b02c3cec686b8c58d64a7df210a99048126197f9fb","source":{"kind":"arxiv","id":"1411.2161","version":1},"attestation_state":"computed","paper":{"title":"Probing the role of dynamical friction in shaping the BSS radial distribution. I - Semi-analytical models and preliminary N-body simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) Dept. of Astronomy - Yonsei University, 3), (3) Yonsei University Observatory, (4) Dept. of Astronomy - Indiana University), B. Lanzoni (1), E. Alessandrini (1), E. Dalessandro (1), E. Vesperini (4), F. R. Ferraro (1), M. Pasquato (2, P. Miocchi (1), Y. W. Lee (2) ((1) DIFA - University of Bologna","submitted_at":"2014-11-08T20:41:55Z","abstract_excerpt":"We present semi-analytical models and simplified $N$-body simulations with $10^4$ and $10^5$ particles aimed at probing the role of dynamical friction (DF) in determining the radial distribution of Blue Straggler Stars (BSSs) in globular clusters. The semi-analytical models show that DF (which is the only evolutionary mechanism at work) is responsible for the formation of a bimodal distribution with a dip progressively moving toward the external regions of the cluster. However, these models fail to reproduce the formation of the long-lived central peak observed in all dynamically evolved clust"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1411.2161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-08T20:41:55Z","cross_cats_sorted":[],"title_canon_sha256":"8f2342e9cad139a794e4dd037f333042d05e46bcf0e7527a802a635f396c954a","abstract_canon_sha256":"9386a757ce504404f19fb6a6a0e9ec34dc121879bc987af7eb296608de3b7b30"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:23.167967Z","signature_b64":"y51FXWYhu6WOz6PbJekiP9tX6LMosIgxcH1ABBbcyKOZmuClAUH4k7wvJgPVh0V5ZbjeSi5SceSpPvrG2zLUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5975dc83fcd30a54fa295b02c3cec686b8c58d64a7df210a99048126197f9fb","last_reissued_at":"2026-05-18T02:29:23.167349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:23.167349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing the role of dynamical friction in shaping the BSS radial distribution. I - Semi-analytical models and preliminary N-body simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) Dept. of Astronomy - Yonsei University, 3), (3) Yonsei University Observatory, (4) Dept. of Astronomy - Indiana University), B. Lanzoni (1), E. Alessandrini (1), E. Dalessandro (1), E. Vesperini (4), F. R. Ferraro (1), M. Pasquato (2, P. Miocchi (1), Y. W. Lee (2) ((1) DIFA - University of Bologna","submitted_at":"2014-11-08T20:41:55Z","abstract_excerpt":"We present semi-analytical models and simplified $N$-body simulations with $10^4$ and $10^5$ particles aimed at probing the role of dynamical friction (DF) in determining the radial distribution of Blue Straggler Stars (BSSs) in globular clusters. The semi-analytical models show that DF (which is the only evolutionary mechanism at work) is responsible for the formation of a bimodal distribution with a dip progressively moving toward the external regions of the cluster. However, these models fail to reproduce the formation of the long-lived central peak observed in all dynamically evolved clust"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.2161","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1411.2161","created_at":"2026-05-18T02:29:23.167446+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.2161v1","created_at":"2026-05-18T02:29:23.167446+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.2161","created_at":"2026-05-18T02:29:23.167446+00:00"},{"alias_kind":"pith_short_12","alias_value":"4WLV3SB7ZUYK","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"4WLV3SB7ZUYKKT5C","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"4WLV3SB7","created_at":"2026-05-18T12:28:14.216126+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB","json":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB.json","graph_json":"https://pith.science/api/pith-number/4WLV3SB7ZUYKKT5CSWYCYPHMNB/graph.json","events_json":"https://pith.science/api/pith-number/4WLV3SB7ZUYKKT5CSWYCYPHMNB/events.json","paper":"https://pith.science/paper/4WLV3SB7"},"agent_actions":{"view_html":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB","download_json":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB.json","view_paper":"https://pith.science/paper/4WLV3SB7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.2161&json=true","fetch_graph":"https://pith.science/api/pith-number/4WLV3SB7ZUYKKT5CSWYCYPHMNB/graph.json","fetch_events":"https://pith.science/api/pith-number/4WLV3SB7ZUYKKT5CSWYCYPHMNB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB/action/storage_attestation","attest_author":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB/action/author_attestation","sign_citation":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB/action/citation_signature","submit_replication":"https://pith.science/pith/4WLV3SB7ZUYKKT5CSWYCYPHMNB/action/replication_record"}},"created_at":"2026-05-18T02:29:23.167446+00:00","updated_at":"2026-05-18T02:29:23.167446+00:00"}