{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:M3RAI253TFYSFO6QM5JJEW64W7","short_pith_number":"pith:M3RAI253","schema_version":"1.0","canonical_sha256":"66e2046bbb997122bbd06752925bdcb7e4b41d123de30c91a6e2a8ee353946d1","source":{"kind":"arxiv","id":"2202.00696","version":2},"attestation_state":"computed","paper":{"title":"Head-on collisions of $\\ell$-boson stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Argelia Bernal, Carlos Herdeiro, Dar\\'io N\\'u\\~nez, Juan Barranco, Juan Carlos Degollado, Miguel Megevand, Nicolas Sanchis-Gual, V\\'ictor Jaramillo","submitted_at":"2022-02-01T19:00:03Z","abstract_excerpt":"Fully non-linear numerical evolutions of the Einstein-(multi)--Klein-Gordon equations are performed to study head-on collisions of $\\ell$-boson stars. Despite being spherically symmetric, $\\ell$-boson stars have a (hidden) frame of reference, used in defining their individual multipolar fields. To assess the impact of their relative orientation, we perform simulations with different angles between the axes of the two colliding stars. Additionally, two scenarios are considered for the colliding stars: that they are composites of either the same or different scalar fields. Despite some model-spe"},"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":"2202.00696","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-02-01T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"43ecae0bf6888fe2e6d75a0e3d3ebc9961867f4bc3512ea3be5af9a6c3e10531","abstract_canon_sha256":"7149462e81827d74aaef7a3ea81d50bcdab87657a1a32f7ae7052d0fde9dd920"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:29:54.621077Z","signature_b64":"z712NO64GpxA2RTiXZ5Wd+Thm27VV2hysCHm8pkQYn2dt8mLGF6DIbblC6wrjzD8+8hxM92rioFUt/zSzsFvAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66e2046bbb997122bbd06752925bdcb7e4b41d123de30c91a6e2a8ee353946d1","last_reissued_at":"2026-07-05T04:29:54.620554Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:29:54.620554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Head-on collisions of $\\ell$-boson stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Argelia Bernal, Carlos Herdeiro, Dar\\'io N\\'u\\~nez, Juan Barranco, Juan Carlos Degollado, Miguel Megevand, Nicolas Sanchis-Gual, V\\'ictor Jaramillo","submitted_at":"2022-02-01T19:00:03Z","abstract_excerpt":"Fully non-linear numerical evolutions of the Einstein-(multi)--Klein-Gordon equations are performed to study head-on collisions of $\\ell$-boson stars. Despite being spherically symmetric, $\\ell$-boson stars have a (hidden) frame of reference, used in defining their individual multipolar fields. To assess the impact of their relative orientation, we perform simulations with different angles between the axes of the two colliding stars. Additionally, two scenarios are considered for the colliding stars: that they are composites of either the same or different scalar fields. Despite some model-spe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.00696","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2202.00696/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2202.00696","created_at":"2026-07-05T04:29:54.620619+00:00"},{"alias_kind":"arxiv_version","alias_value":"2202.00696v2","created_at":"2026-07-05T04:29:54.620619+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.00696","created_at":"2026-07-05T04:29:54.620619+00:00"},{"alias_kind":"pith_short_12","alias_value":"M3RAI253TFYS","created_at":"2026-07-05T04:29:54.620619+00:00"},{"alias_kind":"pith_short_16","alias_value":"M3RAI253TFYSFO6Q","created_at":"2026-07-05T04:29:54.620619+00:00"},{"alias_kind":"pith_short_8","alias_value":"M3RAI253","created_at":"2026-07-05T04:29:54.620619+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":6,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.26436","citing_title":"Massive boson stars: Waveform-based branch diagnosis with neural reconstruction","ref_index":62,"is_internal_anchor":false},{"citing_arxiv_id":"2605.19572","citing_title":"Timing-Window Mechanism for Chain-Like Transients in Collisions of Radially Excited Boson Stars","ref_index":50,"is_internal_anchor":false},{"citing_arxiv_id":"2605.19572","citing_title":"Timing-Window Mechanism for Chain-Like Transients in Collisions of Radially Excited Boson Stars","ref_index":50,"is_internal_anchor":false},{"citing_arxiv_id":"2512.15242","citing_title":"Massive boson stars: Stability and GW emission in head-on mergers","ref_index":63,"is_internal_anchor":false},{"citing_arxiv_id":"2512.14921","citing_title":"$\\ell$-Boson stars in anti-de Sitter spacetime","ref_index":68,"is_internal_anchor":false},{"citing_arxiv_id":"2604.15240","citing_title":"Boson star-black hole binaries: initial data and head-on collisions","ref_index":66,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7","json":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7.json","graph_json":"https://pith.science/api/pith-number/M3RAI253TFYSFO6QM5JJEW64W7/graph.json","events_json":"https://pith.science/api/pith-number/M3RAI253TFYSFO6QM5JJEW64W7/events.json","paper":"https://pith.science/paper/M3RAI253"},"agent_actions":{"view_html":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7","download_json":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7.json","view_paper":"https://pith.science/paper/M3RAI253","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2202.00696&json=true","fetch_graph":"https://pith.science/api/pith-number/M3RAI253TFYSFO6QM5JJEW64W7/graph.json","fetch_events":"https://pith.science/api/pith-number/M3RAI253TFYSFO6QM5JJEW64W7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7/action/storage_attestation","attest_author":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7/action/author_attestation","sign_citation":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7/action/citation_signature","submit_replication":"https://pith.science/pith/M3RAI253TFYSFO6QM5JJEW64W7/action/replication_record"}},"created_at":"2026-07-05T04:29:54.620619+00:00","updated_at":"2026-07-05T04:29:54.620619+00:00"}