{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:TF7ISG3K4WWKL32XCYKURQEQ2T","short_pith_number":"pith:TF7ISG3K","schema_version":"1.0","canonical_sha256":"997e891b6ae5aca5ef57161548c090d4db84afce6dd5ec692fcfdee43d3820ad","source":{"kind":"arxiv","id":"1411.2641","version":1},"attestation_state":"computed","paper":{"title":"The bispectrum of matter perturbations from cosmic strings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Donough Regan, Mark Hindmarsh","submitted_at":"2014-11-10T21:57:10Z","abstract_excerpt":"We present the first calculation of the bispectrum of the matter perturbations induced by cosmic strings. The calculation is performed in two different ways: the first uses the unequal time correlators (UETCs) of the string network - computed using a Gaussian model previously employed for cosmic string power spectra. The second approach uses the wake model, where string density perturbations are concentrated in sheet-like structures whose surface density grows with time. The qualitative and quantitative agreement of the two gives confidence to the results. An essential ingredient in the UETC a"},"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":"1411.2641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-11-10T21:57:10Z","cross_cats_sorted":[],"title_canon_sha256":"87ac5d2738edb053464b5ab07e55478eefbb61ef8786f337a839baa63fce420d","abstract_canon_sha256":"8ea2c775f838e6e5215144e004373e983d073db4d007323398a31c3a1ff83e69"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:33.370570Z","signature_b64":"i+3m3Md41MYfat67i/DKdYZx+6ZeyQLYlNBhNgh/apBiuZAImZUX2BtHf0Wpief/1REGKbeC1fs8yYapJl3wDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"997e891b6ae5aca5ef57161548c090d4db84afce6dd5ec692fcfdee43d3820ad","last_reissued_at":"2026-05-18T01:41:33.370085Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:33.370085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The bispectrum of matter perturbations from cosmic strings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Donough Regan, Mark Hindmarsh","submitted_at":"2014-11-10T21:57:10Z","abstract_excerpt":"We present the first calculation of the bispectrum of the matter perturbations induced by cosmic strings. The calculation is performed in two different ways: the first uses the unequal time correlators (UETCs) of the string network - computed using a Gaussian model previously employed for cosmic string power spectra. The second approach uses the wake model, where string density perturbations are concentrated in sheet-like structures whose surface density grows with time. The qualitative and quantitative agreement of the two gives confidence to the results. An essential ingredient in the UETC a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.2641","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":"1411.2641","created_at":"2026-05-18T01:41:33.370160+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.2641v1","created_at":"2026-05-18T01:41:33.370160+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.2641","created_at":"2026-05-18T01:41:33.370160+00:00"},{"alias_kind":"pith_short_12","alias_value":"TF7ISG3K4WWK","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_16","alias_value":"TF7ISG3K4WWKL32X","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_8","alias_value":"TF7ISG3K","created_at":"2026-05-18T12:28:49.207871+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/TF7ISG3K4WWKL32XCYKURQEQ2T","json":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T.json","graph_json":"https://pith.science/api/pith-number/TF7ISG3K4WWKL32XCYKURQEQ2T/graph.json","events_json":"https://pith.science/api/pith-number/TF7ISG3K4WWKL32XCYKURQEQ2T/events.json","paper":"https://pith.science/paper/TF7ISG3K"},"agent_actions":{"view_html":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T","download_json":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T.json","view_paper":"https://pith.science/paper/TF7ISG3K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.2641&json=true","fetch_graph":"https://pith.science/api/pith-number/TF7ISG3K4WWKL32XCYKURQEQ2T/graph.json","fetch_events":"https://pith.science/api/pith-number/TF7ISG3K4WWKL32XCYKURQEQ2T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T/action/storage_attestation","attest_author":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T/action/author_attestation","sign_citation":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T/action/citation_signature","submit_replication":"https://pith.science/pith/TF7ISG3K4WWKL32XCYKURQEQ2T/action/replication_record"}},"created_at":"2026-05-18T01:41:33.370160+00:00","updated_at":"2026-05-18T01:41:33.370160+00:00"}