{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:WSNKC5FNUERY2ADHZ7WMRNQSQU","short_pith_number":"pith:WSNKC5FN","canonical_record":{"source":{"id":"2512.19186","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-12-22T09:19:39Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4f651f0042bdc11be5d55b34a43f9ef0e0c1435cb620d04a8be40a95ac998c9c","abstract_canon_sha256":"5aa43c5e5da3467d03653eef030621226d4911785d202a695aaf4cf76842728d"},"schema_version":"1.0"},"canonical_sha256":"b49aa174ada1238d0067cfecc8b612853850382409aae1a62b36cc0dfe555768","source":{"kind":"arxiv","id":"2512.19186","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.19186","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"2512.19186v1","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.19186","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"WSNKC5FNUERY","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"WSNKC5FNUERY2ADH","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"WSNKC5FN","created_at":"2026-05-21T01:05:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:WSNKC5FNUERY2ADHZ7WMRNQSQU","target":"record","payload":{"canonical_record":{"source":{"id":"2512.19186","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-12-22T09:19:39Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4f651f0042bdc11be5d55b34a43f9ef0e0c1435cb620d04a8be40a95ac998c9c","abstract_canon_sha256":"5aa43c5e5da3467d03653eef030621226d4911785d202a695aaf4cf76842728d"},"schema_version":"1.0"},"canonical_sha256":"b49aa174ada1238d0067cfecc8b612853850382409aae1a62b36cc0dfe555768","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:13.958648Z","signature_b64":"ZKYiDDrog1STTeWU7hbLav0/jSASYAdIxfWa/71pJln5OC41GHBCCeDE9WnmnDdgILwPUrgNzGMWoto8+5hhCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b49aa174ada1238d0067cfecc8b612853850382409aae1a62b36cc0dfe555768","last_reissued_at":"2026-05-21T01:05:13.957633Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:13.957633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.19186","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":"2026-05-21T01:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oH98cjMP5SGgLSHTPapiZFDkNK9yR3eqt7S/UEdiP7+4WUWGiYio3zgsgSfIoyGeo+tQXZn2jkMNuokB9FldDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:11:13.621518Z"},"content_sha256":"c84ba0405145dcb3b7e8e36e49da5df2c1ebb30c0f99ac1bb1699b483d31e7d7","schema_version":"1.0","event_id":"sha256:c84ba0405145dcb3b7e8e36e49da5df2c1ebb30c0f99ac1bb1699b483d31e7d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:WSNKC5FNUERY2ADHZ7WMRNQSQU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Illuminating the Dark Sector: Understanding Modified Gravity Signatures with Cross-Correlations of Gravitational Waves and Large-Scale Structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Alessandra Silvestri, Anna Balaudo, Chiara De Leo, Guadalupe Ca\\~nas-Herrera, Matteo Martinelli, Tessa Baker","submitted_at":"2025-12-22T09:19:39Z","abstract_excerpt":"We investigate the synergy between large-scale structure (LSS) observations and gravitational wave (GW) events for testing modified gravity. In particular, we forecast the LSS $\\times$ GW cross-correlation signal using Stage-IV LSS surveys, such as Euclid, in combination with future detections from the Einstein Telescope. This cross-correlation provides a novel probe of fundamental physics, potentially revealing deviations from the $\\Lambda$CDM paradigm that may not be accessible through electromagnetic observations alone. We describe the considered modified gravity scenarios, the relevant LSS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.19186","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2512.19186/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-21T01:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Cxkp6K0XCSQXTTTyCjuNyrMvd5+mzF3AzT4Y50vDykyTf0PBYx2Gn8R9A2BEwsIKkGGDBr5qt094kfcdyVWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:11:13.622303Z"},"content_sha256":"877a6677ef89d6ff9d5549298b66ba215a8b0ea4fdf7c62f278baaa55776a1f6","schema_version":"1.0","event_id":"sha256:877a6677ef89d6ff9d5549298b66ba215a8b0ea4fdf7c62f278baaa55776a1f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WSNKC5FNUERY2ADHZ7WMRNQSQU/bundle.json","state_url":"https://pith.science/pith/WSNKC5FNUERY2ADHZ7WMRNQSQU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WSNKC5FNUERY2ADHZ7WMRNQSQU/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":"2026-05-23T11:11:13Z","links":{"resolver":"https://pith.science/pith/WSNKC5FNUERY2ADHZ7WMRNQSQU","bundle":"https://pith.science/pith/WSNKC5FNUERY2ADHZ7WMRNQSQU/bundle.json","state":"https://pith.science/pith/WSNKC5FNUERY2ADHZ7WMRNQSQU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WSNKC5FNUERY2ADHZ7WMRNQSQU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:WSNKC5FNUERY2ADHZ7WMRNQSQU","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":"5aa43c5e5da3467d03653eef030621226d4911785d202a695aaf4cf76842728d","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-12-22T09:19:39Z","title_canon_sha256":"4f651f0042bdc11be5d55b34a43f9ef0e0c1435cb620d04a8be40a95ac998c9c"},"schema_version":"1.0","source":{"id":"2512.19186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.19186","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"2512.19186v1","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.19186","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"WSNKC5FNUERY","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"WSNKC5FNUERY2ADH","created_at":"2026-05-21T01:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"WSNKC5FN","created_at":"2026-05-21T01:05:13Z"}],"graph_snapshots":[{"event_id":"sha256:877a6677ef89d6ff9d5549298b66ba215a8b0ea4fdf7c62f278baaa55776a1f6","target":"graph","created_at":"2026-05-21T01:05:13Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2512.19186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the synergy between large-scale structure (LSS) observations and gravitational wave (GW) events for testing modified gravity. In particular, we forecast the LSS $\\times$ GW cross-correlation signal using Stage-IV LSS surveys, such as Euclid, in combination with future detections from the Einstein Telescope. This cross-correlation provides a novel probe of fundamental physics, potentially revealing deviations from the $\\Lambda$CDM paradigm that may not be accessible through electromagnetic observations alone. We describe the considered modified gravity scenarios, the relevant LSS","authors_text":"Alessandra Silvestri, Anna Balaudo, Chiara De Leo, Guadalupe Ca\\~nas-Herrera, Matteo Martinelli, Tessa Baker","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-12-22T09:19:39Z","title":"Illuminating the Dark Sector: Understanding Modified Gravity Signatures with Cross-Correlations of Gravitational Waves and Large-Scale Structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.19186","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:c84ba0405145dcb3b7e8e36e49da5df2c1ebb30c0f99ac1bb1699b483d31e7d7","target":"record","created_at":"2026-05-21T01:05:13Z","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":"5aa43c5e5da3467d03653eef030621226d4911785d202a695aaf4cf76842728d","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-12-22T09:19:39Z","title_canon_sha256":"4f651f0042bdc11be5d55b34a43f9ef0e0c1435cb620d04a8be40a95ac998c9c"},"schema_version":"1.0","source":{"id":"2512.19186","kind":"arxiv","version":1}},"canonical_sha256":"b49aa174ada1238d0067cfecc8b612853850382409aae1a62b36cc0dfe555768","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b49aa174ada1238d0067cfecc8b612853850382409aae1a62b36cc0dfe555768","first_computed_at":"2026-05-21T01:05:13.957633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:05:13.957633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZKYiDDrog1STTeWU7hbLav0/jSASYAdIxfWa/71pJln5OC41GHBCCeDE9WnmnDdgILwPUrgNzGMWoto8+5hhCw==","signature_status":"signed_v1","signed_at":"2026-05-21T01:05:13.958648Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.19186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c84ba0405145dcb3b7e8e36e49da5df2c1ebb30c0f99ac1bb1699b483d31e7d7","sha256:877a6677ef89d6ff9d5549298b66ba215a8b0ea4fdf7c62f278baaa55776a1f6"],"state_sha256":"113ecca8cc6aff46ef92889a31fd6b05aeef14b927c99150910f861339b47669"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xcMpv+9h0hsSZiae2W0w68VApUJhFMfooc6jbrogx/bEEQ67utFKhBUgYwXUBElIT1WL5jLrFIAellQAR0ufAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T11:11:13.626550Z","bundle_sha256":"5d0f7619346f2a0e21d20c572e39f44dc4d98e304bb5ad6630dc06a0e1cd1d6c"}}