{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:LEC6K47GJZVQ66KIBH6SIZ5SD4","short_pith_number":"pith:LEC6K47G","schema_version":"1.0","canonical_sha256":"5905e573e64e6b0f794809fd2467b21f06f09ddb8f7cf8c7cb538b26a84ebf43","source":{"kind":"arxiv","id":"2107.06554","version":3},"attestation_state":"computed","paper":{"title":"Echoes of novel black-bounce spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Dong Liu, Shurui Wu, Yi Yang, Yujia Xing, Zhaoyi Xu, Zheng-Wen Long","submitted_at":"2021-07-14T08:39:20Z","abstract_excerpt":"Gravitational wave echoes can be used as a significant observable to understand the properties of black holes horizon. In addition, echoes would also closely relate to the unique properties of compact objects. In this work we study the evolution of electromagnetic field and scalar field under the background of novel black-bounce spacetimes. Our results show an obvious echoes signal that can characterize the properties of novel black-bounce spacetimes, and a detailed analysis about the characteristics of the echoes signal is given. By studying the quasinormal ringdown of the three states of nov"},"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":"2107.06554","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-14T08:39:20Z","cross_cats_sorted":[],"title_canon_sha256":"4cb5f52f99a2c84b2fbcc548d1fb90db1d15c23aaf7245226ec17c510f9e6418","abstract_canon_sha256":"d2a33f1b961fc69ec0f7457681c3acbddf23c16dbbbef8f5afaaedf9498172e0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:30:14.032359Z","signature_b64":"Qji7R8+qwCppUtvgHxmTZahMohztVd4LMkL2MiTTItzbKjRwjiJKjcI0N3B+FVjpSuZl1fIYmJDQRmLbZDePCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5905e573e64e6b0f794809fd2467b21f06f09ddb8f7cf8c7cb538b26a84ebf43","last_reissued_at":"2026-07-05T03:30:14.031847Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:30:14.031847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Echoes of novel black-bounce spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Dong Liu, Shurui Wu, Yi Yang, Yujia Xing, Zhaoyi Xu, Zheng-Wen Long","submitted_at":"2021-07-14T08:39:20Z","abstract_excerpt":"Gravitational wave echoes can be used as a significant observable to understand the properties of black holes horizon. In addition, echoes would also closely relate to the unique properties of compact objects. In this work we study the evolution of electromagnetic field and scalar field under the background of novel black-bounce spacetimes. Our results show an obvious echoes signal that can characterize the properties of novel black-bounce spacetimes, and a detailed analysis about the characteristics of the echoes signal is given. By studying the quasinormal ringdown of the three states of nov"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.06554","kind":"arxiv","version":3},"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/2107.06554/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":"2107.06554","created_at":"2026-07-05T03:30:14.031903+00:00"},{"alias_kind":"arxiv_version","alias_value":"2107.06554v3","created_at":"2026-07-05T03:30:14.031903+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.06554","created_at":"2026-07-05T03:30:14.031903+00:00"},{"alias_kind":"pith_short_12","alias_value":"LEC6K47GJZVQ","created_at":"2026-07-05T03:30:14.031903+00:00"},{"alias_kind":"pith_short_16","alias_value":"LEC6K47GJZVQ66KI","created_at":"2026-07-05T03:30:14.031903+00:00"},{"alias_kind":"pith_short_8","alias_value":"LEC6K47G","created_at":"2026-07-05T03:30:14.031903+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":9,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2607.07955","citing_title":"Wave and particle probes of a regular T-duality-inspired black hole with gravitational self-energy","ref_index":11,"is_internal_anchor":true},{"citing_arxiv_id":"2607.07679","citing_title":"On relativistic observables in black bounce spacetimes","ref_index":19,"is_internal_anchor":true},{"citing_arxiv_id":"2606.08631","citing_title":"Hawking Radiation from the Dymnikova Regular Black Hole","ref_index":9,"is_internal_anchor":false},{"citing_arxiv_id":"2606.02393","citing_title":"Black Bounce via Gravitational Tension Screening Acting as an Analogue of Schwinger Corrections","ref_index":22,"is_internal_anchor":false},{"citing_arxiv_id":"2604.24349","citing_title":"Scalar, electromagnetic, and Dirac perturbations of regular black holes constituting primordial dark matter","ref_index":26,"is_internal_anchor":false},{"citing_arxiv_id":"2605.11364","citing_title":"Bardeen spacetime as quantum corrected black hole: Grey-body factors and quasinormal modes of gravitational perturbations","ref_index":25,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03137","citing_title":"Scattering of scalar, electromagnetic, and Dirac fields in an asymptotically flat regular black hole supported by primordial dark matter","ref_index":12,"is_internal_anchor":false},{"citing_arxiv_id":"2604.25471","citing_title":"Massive scalar quasinormal modes of an asymptotically flat regular black hole supported by a phantom Dirac--Born--Infeld field","ref_index":102,"is_internal_anchor":false},{"citing_arxiv_id":"2604.24349","citing_title":"Scalar, electromagnetic, and Dirac perturbations of regular black holes constituting primordial dark matter","ref_index":26,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4","json":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4.json","graph_json":"https://pith.science/api/pith-number/LEC6K47GJZVQ66KIBH6SIZ5SD4/graph.json","events_json":"https://pith.science/api/pith-number/LEC6K47GJZVQ66KIBH6SIZ5SD4/events.json","paper":"https://pith.science/paper/LEC6K47G"},"agent_actions":{"view_html":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4","download_json":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4.json","view_paper":"https://pith.science/paper/LEC6K47G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2107.06554&json=true","fetch_graph":"https://pith.science/api/pith-number/LEC6K47GJZVQ66KIBH6SIZ5SD4/graph.json","fetch_events":"https://pith.science/api/pith-number/LEC6K47GJZVQ66KIBH6SIZ5SD4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4/action/storage_attestation","attest_author":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4/action/author_attestation","sign_citation":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4/action/citation_signature","submit_replication":"https://pith.science/pith/LEC6K47GJZVQ66KIBH6SIZ5SD4/action/replication_record"}},"created_at":"2026-07-05T03:30:14.031903+00:00","updated_at":"2026-07-05T03:30:14.031903+00:00"}