{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:76PWHJMJKDIWOAGMGXPJW2AH3L","short_pith_number":"pith:76PWHJMJ","schema_version":"1.0","canonical_sha256":"ff9f63a58950d16700cc35de9b6807dac6fdbdbc07bef9489c0fd640dd04da4f","source":{"kind":"arxiv","id":"0705.2035","version":1},"attestation_state":"computed","paper":{"title":"Head-On collisions of different initial data","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Bernd Bruegmann, Jose Gonzalez, Mark Hannam, Sascha Husa, Ulrich Sperhake","submitted_at":"2007-05-14T21:35:18Z","abstract_excerpt":"We discuss possible origins for discrepancies observed in the radiated energies in head-on collisions of non-spinning binaries starting from Brill-Lindquist and superposed Kerr-Schild data. For this purpose, we discuss the impact of different choices of gauge parameters and a small initial boost of the black holes."},"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":"0705.2035","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2007-05-14T21:35:18Z","cross_cats_sorted":[],"title_canon_sha256":"7d59a5747c5694a1788d54d8049d13ad243c6edf23c798a7805c71b84015db12","abstract_canon_sha256":"63d128659c0d4dce8073b9a46ef5fe12eecd701754180cc3ecdb2df2f8540647"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:33.082034Z","signature_b64":"kMr6LyvE9DEEMDl/B4xqrledRNzk/xyzDwCIyhcht2pBhhHWDDivhT8VhlcbGDdHo+KUDgREqtZZ6kMAR3vEAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff9f63a58950d16700cc35de9b6807dac6fdbdbc07bef9489c0fd640dd04da4f","last_reissued_at":"2026-05-18T00:59:33.081461Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:33.081461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Head-On collisions of different initial data","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Bernd Bruegmann, Jose Gonzalez, Mark Hannam, Sascha Husa, Ulrich Sperhake","submitted_at":"2007-05-14T21:35:18Z","abstract_excerpt":"We discuss possible origins for discrepancies observed in the radiated energies in head-on collisions of non-spinning binaries starting from Brill-Lindquist and superposed Kerr-Schild data. For this purpose, we discuss the impact of different choices of gauge parameters and a small initial boost of the black holes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.2035","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":"0705.2035","created_at":"2026-05-18T00:59:33.081536+00:00"},{"alias_kind":"arxiv_version","alias_value":"0705.2035v1","created_at":"2026-05-18T00:59:33.081536+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.2035","created_at":"2026-05-18T00:59:33.081536+00:00"},{"alias_kind":"pith_short_12","alias_value":"76PWHJMJKDIW","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"76PWHJMJKDIWOAGM","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"76PWHJMJ","created_at":"2026-05-18T12:25:55.427421+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/76PWHJMJKDIWOAGMGXPJW2AH3L","json":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L.json","graph_json":"https://pith.science/api/pith-number/76PWHJMJKDIWOAGMGXPJW2AH3L/graph.json","events_json":"https://pith.science/api/pith-number/76PWHJMJKDIWOAGMGXPJW2AH3L/events.json","paper":"https://pith.science/paper/76PWHJMJ"},"agent_actions":{"view_html":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L","download_json":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L.json","view_paper":"https://pith.science/paper/76PWHJMJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0705.2035&json=true","fetch_graph":"https://pith.science/api/pith-number/76PWHJMJKDIWOAGMGXPJW2AH3L/graph.json","fetch_events":"https://pith.science/api/pith-number/76PWHJMJKDIWOAGMGXPJW2AH3L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L/action/storage_attestation","attest_author":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L/action/author_attestation","sign_citation":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L/action/citation_signature","submit_replication":"https://pith.science/pith/76PWHJMJKDIWOAGMGXPJW2AH3L/action/replication_record"}},"created_at":"2026-05-18T00:59:33.081536+00:00","updated_at":"2026-05-18T00:59:33.081536+00:00"}