{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:NIHWRYZ2ZYBLLGCXJWXP2GA2EL","short_pith_number":"pith:NIHWRYZ2","canonical_record":{"source":{"id":"1506.08831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-06-29T20:00:46Z","cross_cats_sorted":[],"title_canon_sha256":"b483b3645b2a3250bf94aac633a026f1955021ad34cb2f9522579836ccf550e7","abstract_canon_sha256":"92247019f251e07cebe5a0b99fd7ad05a865a4c64f826e4923c7663a6db41062"},"schema_version":"1.0"},"canonical_sha256":"6a0f68e33ace02b598574daefd181a22db4a5a780b38cedcbf343a2fb7687236","source":{"kind":"arxiv","id":"1506.08831","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08831","created_at":"2026-05-18T01:25:38Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08831v1","created_at":"2026-05-18T01:25:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08831","created_at":"2026-05-18T01:25:38Z"},{"alias_kind":"pith_short_12","alias_value":"NIHWRYZ2ZYBL","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NIHWRYZ2ZYBLLGCX","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NIHWRYZ2","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:NIHWRYZ2ZYBLLGCXJWXP2GA2EL","target":"record","payload":{"canonical_record":{"source":{"id":"1506.08831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-06-29T20:00:46Z","cross_cats_sorted":[],"title_canon_sha256":"b483b3645b2a3250bf94aac633a026f1955021ad34cb2f9522579836ccf550e7","abstract_canon_sha256":"92247019f251e07cebe5a0b99fd7ad05a865a4c64f826e4923c7663a6db41062"},"schema_version":"1.0"},"canonical_sha256":"6a0f68e33ace02b598574daefd181a22db4a5a780b38cedcbf343a2fb7687236","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:38.830106Z","signature_b64":"+BJktSNQJspM35csoRFPlR3PSvp/eDAusmlS5p20QRLue6g+9sjLmhA5SPBG2NHuCVplbAT8jVdOJPauV8zkCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a0f68e33ace02b598574daefd181a22db4a5a780b38cedcbf343a2fb7687236","last_reissued_at":"2026-05-18T01:25:38.829366Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:38.829366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.08831","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:25:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lLBBbcLotg7O+O/CqS/TM19sEq+/TDBj6l+hmGFUH5TVAEXzPVLSJEiyMczswnTe6jN0nZjiL3zQyMReaWhVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:38:58.115186Z"},"content_sha256":"435de858afa007d40b3f1327578dae14d33ac0d9a60768a9e4892d50a6ecfeb4","schema_version":"1.0","event_id":"sha256:435de858afa007d40b3f1327578dae14d33ac0d9a60768a9e4892d50a6ecfeb4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:NIHWRYZ2ZYBLLGCXJWXP2GA2EL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic voids in coupled dark energy cosmologies: the impact of halo bias","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Federico Marulli, Giorgia Pollina, Lauro Moscardini, Marco Baldi","submitted_at":"2015-06-29T20:00:46Z","abstract_excerpt":"In this work we analyse the properties of cosmic voids in standard and coupled dark energy cosmologies. Using large numerical simulations, we investigate the effects produced by the dark energy coupling on three statistics: the filling factor, the size distribution and the stacked profiles of cosmic voids. We find that the bias of the tracers of the density field used to identify the voids strongly influences the properties of the void catalogues, and, consequently, the possibility of using the identified voids as a probe to distinguish coupled dark energy models from the standard $\\Lambda $CD"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08831","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:25:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zR+doQ9n2AquBi7X8SFQMtiqmpDO8Bd8U+6++mFscjQO39P+bKlbmHaV2P4F7vqzCLNIk3MG8Mb5JM0JOEb1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:38:58.115569Z"},"content_sha256":"5870c7561cafc40b7e9abe1cb4bafd5d0d08712af56638dacda1deaa874fae74","schema_version":"1.0","event_id":"sha256:5870c7561cafc40b7e9abe1cb4bafd5d0d08712af56638dacda1deaa874fae74"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NIHWRYZ2ZYBLLGCXJWXP2GA2EL/bundle.json","state_url":"https://pith.science/pith/NIHWRYZ2ZYBLLGCXJWXP2GA2EL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NIHWRYZ2ZYBLLGCXJWXP2GA2EL/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-04T21:38:58Z","links":{"resolver":"https://pith.science/pith/NIHWRYZ2ZYBLLGCXJWXP2GA2EL","bundle":"https://pith.science/pith/NIHWRYZ2ZYBLLGCXJWXP2GA2EL/bundle.json","state":"https://pith.science/pith/NIHWRYZ2ZYBLLGCXJWXP2GA2EL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NIHWRYZ2ZYBLLGCXJWXP2GA2EL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:NIHWRYZ2ZYBLLGCXJWXP2GA2EL","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"92247019f251e07cebe5a0b99fd7ad05a865a4c64f826e4923c7663a6db41062","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-06-29T20:00:46Z","title_canon_sha256":"b483b3645b2a3250bf94aac633a026f1955021ad34cb2f9522579836ccf550e7"},"schema_version":"1.0","source":{"id":"1506.08831","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08831","created_at":"2026-05-18T01:25:38Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08831v1","created_at":"2026-05-18T01:25:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08831","created_at":"2026-05-18T01:25:38Z"},{"alias_kind":"pith_short_12","alias_value":"NIHWRYZ2ZYBL","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NIHWRYZ2ZYBLLGCX","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NIHWRYZ2","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:5870c7561cafc40b7e9abe1cb4bafd5d0d08712af56638dacda1deaa874fae74","target":"graph","created_at":"2026-05-18T01:25:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this work we analyse the properties of cosmic voids in standard and coupled dark energy cosmologies. Using large numerical simulations, we investigate the effects produced by the dark energy coupling on three statistics: the filling factor, the size distribution and the stacked profiles of cosmic voids. We find that the bias of the tracers of the density field used to identify the voids strongly influences the properties of the void catalogues, and, consequently, the possibility of using the identified voids as a probe to distinguish coupled dark energy models from the standard $\\Lambda $CD","authors_text":"Federico Marulli, Giorgia Pollina, Lauro Moscardini, Marco Baldi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-06-29T20:00:46Z","title":"Cosmic voids in coupled dark energy cosmologies: the impact of halo bias"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08831","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:435de858afa007d40b3f1327578dae14d33ac0d9a60768a9e4892d50a6ecfeb4","target":"record","created_at":"2026-05-18T01:25:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"92247019f251e07cebe5a0b99fd7ad05a865a4c64f826e4923c7663a6db41062","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-06-29T20:00:46Z","title_canon_sha256":"b483b3645b2a3250bf94aac633a026f1955021ad34cb2f9522579836ccf550e7"},"schema_version":"1.0","source":{"id":"1506.08831","kind":"arxiv","version":1}},"canonical_sha256":"6a0f68e33ace02b598574daefd181a22db4a5a780b38cedcbf343a2fb7687236","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a0f68e33ace02b598574daefd181a22db4a5a780b38cedcbf343a2fb7687236","first_computed_at":"2026-05-18T01:25:38.829366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:38.829366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+BJktSNQJspM35csoRFPlR3PSvp/eDAusmlS5p20QRLue6g+9sjLmhA5SPBG2NHuCVplbAT8jVdOJPauV8zkCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:38.830106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.08831","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:435de858afa007d40b3f1327578dae14d33ac0d9a60768a9e4892d50a6ecfeb4","sha256:5870c7561cafc40b7e9abe1cb4bafd5d0d08712af56638dacda1deaa874fae74"],"state_sha256":"dbd043934272f093c89cfd01efa8f26ead645f2aee05e104cd648b8d94c66ea7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z7Mf1Ijo+y5yWH5aX+mzGKQooB8ACz2OfsiFVSDIhAOCkPvzQUXA7QGiraD0FYxjomBdvxXN3EFvteieEXm7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:38:58.117551Z","bundle_sha256":"828befcaca0b6988add4d54d662957762c470fc15b0a6f18f038b0c47d85549c"}}