{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:EYXSF6LRSNC7AGQDSHFBHDSAR7","short_pith_number":"pith:EYXSF6LR","schema_version":"1.0","canonical_sha256":"262f22f9719345f01a0391ca138e408fcc60e4e4420da7a93773a4b58e278249","source":{"kind":"arxiv","id":"1703.00029","version":1},"attestation_state":"computed","paper":{"title":"Evolutions of Gowdy, Brill and Teukolsky initial data on a smooth lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Leo Brewin","submitted_at":"2017-02-28T19:11:04Z","abstract_excerpt":"Numerical results, based on a lattice method for computational general relativity, will be presented for Cauchy evolution of initial data for the Brill, Teukolsky and polarised Gowdy space-times. The simple objective of this paper is to demonstrate that the lattice method can, at least for these space-times, match results obtained from contemporary methods. Some of the issues addressed in this paper include the handling of axisymmetric instabilities (in the Brill space-time) and an implementation of a Sommerfeld radiation condition for the Brill and Teukolsky space-times. It will be shown that"},"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":"1703.00029","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-02-28T19:11:04Z","cross_cats_sorted":[],"title_canon_sha256":"5f27ce32255b557ffd4e4eb2308410e6d0dd34cc820ea37d5fde27f666b310df","abstract_canon_sha256":"b9740cfcd912808e69f6531891a35c13feb17602ddfac52806daf639e8a0cb74"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:57.199590Z","signature_b64":"JaqzsAMC1z/Tvmtk1aq0GsupoZAnIHzUecfNcwawb2KeVuAVbsEENAkOF9AFH+F/2H+y8MDiAYocfrAKs4olCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"262f22f9719345f01a0391ca138e408fcc60e4e4420da7a93773a4b58e278249","last_reissued_at":"2026-05-18T00:38:57.198838Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:57.198838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolutions of Gowdy, Brill and Teukolsky initial data on a smooth lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Leo Brewin","submitted_at":"2017-02-28T19:11:04Z","abstract_excerpt":"Numerical results, based on a lattice method for computational general relativity, will be presented for Cauchy evolution of initial data for the Brill, Teukolsky and polarised Gowdy space-times. The simple objective of this paper is to demonstrate that the lattice method can, at least for these space-times, match results obtained from contemporary methods. Some of the issues addressed in this paper include the handling of axisymmetric instabilities (in the Brill space-time) and an implementation of a Sommerfeld radiation condition for the Brill and Teukolsky space-times. It will be shown that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.00029","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":"1703.00029","created_at":"2026-05-18T00:38:57.198947+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.00029v1","created_at":"2026-05-18T00:38:57.198947+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.00029","created_at":"2026-05-18T00:38:57.198947+00:00"},{"alias_kind":"pith_short_12","alias_value":"EYXSF6LRSNC7","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"EYXSF6LRSNC7AGQD","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"EYXSF6LR","created_at":"2026-05-18T12:31:12.930513+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/EYXSF6LRSNC7AGQDSHFBHDSAR7","json":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7.json","graph_json":"https://pith.science/api/pith-number/EYXSF6LRSNC7AGQDSHFBHDSAR7/graph.json","events_json":"https://pith.science/api/pith-number/EYXSF6LRSNC7AGQDSHFBHDSAR7/events.json","paper":"https://pith.science/paper/EYXSF6LR"},"agent_actions":{"view_html":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7","download_json":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7.json","view_paper":"https://pith.science/paper/EYXSF6LR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.00029&json=true","fetch_graph":"https://pith.science/api/pith-number/EYXSF6LRSNC7AGQDSHFBHDSAR7/graph.json","fetch_events":"https://pith.science/api/pith-number/EYXSF6LRSNC7AGQDSHFBHDSAR7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7/action/storage_attestation","attest_author":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7/action/author_attestation","sign_citation":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7/action/citation_signature","submit_replication":"https://pith.science/pith/EYXSF6LRSNC7AGQDSHFBHDSAR7/action/replication_record"}},"created_at":"2026-05-18T00:38:57.198947+00:00","updated_at":"2026-05-18T00:38:57.198947+00:00"}