{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:NC4N7FPI5IXIXV7ICXMAGNA6HX","short_pith_number":"pith:NC4N7FPI","canonical_record":{"source":{"id":"2504.03874","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-04T18:58:49Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"644d2e21ead6724d35646e1d15edfb673cbc52a4ab23e1d9c27ad9efd98fcb06","abstract_canon_sha256":"87ef6017b1f2d7dbe79ea2d678d66cebc8dae51ab4329a82b78f30baa9ebde92"},"schema_version":"1.0"},"canonical_sha256":"68b8df95e8ea2e8bd7e815d803341e3dc79d24640b4716c1184c03e2940e437c","source":{"kind":"arxiv","id":"2504.03874","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.03874","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"arxiv_version","alias_value":"2504.03874v1","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.03874","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"pith_short_12","alias_value":"NC4N7FPI5IXI","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"pith_short_16","alias_value":"NC4N7FPI5IXIXV7I","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"pith_short_8","alias_value":"NC4N7FPI","created_at":"2026-07-05T10:44:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:NC4N7FPI5IXIXV7ICXMAGNA6HX","target":"record","payload":{"canonical_record":{"source":{"id":"2504.03874","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-04T18:58:49Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"644d2e21ead6724d35646e1d15edfb673cbc52a4ab23e1d9c27ad9efd98fcb06","abstract_canon_sha256":"87ef6017b1f2d7dbe79ea2d678d66cebc8dae51ab4329a82b78f30baa9ebde92"},"schema_version":"1.0"},"canonical_sha256":"68b8df95e8ea2e8bd7e815d803341e3dc79d24640b4716c1184c03e2940e437c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:44:50.154418Z","signature_b64":"dJkCrGAQ+HEHXwYpqTS0zWYj5H+dGQlXEW9As99cVvSuyK8xp+NBcUIx2Lj+jTPSZoPudVbD5JVyqKmUMJ20BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68b8df95e8ea2e8bd7e815d803341e3dc79d24640b4716c1184c03e2940e437c","last_reissued_at":"2026-07-05T10:44:50.153920Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:44:50.153920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.03874","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":"2026-07-05T10:44:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dOs9G4RIeu5p0XlDCTgX4GNpU2Ab4U/wVZpOjXZDfZBpU541jCcRvXkbTZf130BujJ6/NZM33RUr5B3LvR8oBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T09:02:11.498545Z"},"content_sha256":"444e21a56df5583ecaa82b7922cb47d37f19ba46969fd7d240dbc88549044370","schema_version":"1.0","event_id":"sha256:444e21a56df5583ecaa82b7922cb47d37f19ba46969fd7d240dbc88549044370"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:NC4N7FPI5IXIXV7ICXMAGNA6HX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galactic-scale Feeding Reveals Warped Hypermagnetized Multiphase Circumbinary Accretion Around Supermassive Black Hole Binaries","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Aretaios Lalakos, Elias R. Most, Hai-Yang Wang, Minghao Guo, Philip F. Hopkins","submitted_at":"2025-04-04T18:58:49Z","abstract_excerpt":"Supermassive black hole (SMBH) binaries in gaseous and stellar environments are prime targets for next-generation space-based gravitational wave detectors. Yet, realistic accretion conditions under which these binary systems evolve are not fully understood. In this work, we demonstrate the hypermagnetized multi-phase nature of the surrounding accretion flow formed by large-scale feeding from a galaxy background. Our simulations indicate that the hypermagnetized circumbinary disk is eccentric and warped, hosting a hot gas core for a parsec-scale separated binary. We also observe collimated bipo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.03874","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/2504.03874/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":"2026-07-05T10:44:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"URxns4BqBQ7b4bEVlSisQ2KoR+YwvMy0ZNcOFDs8V/5mnahtJ+Xe+uH55D+squKvqkDynxpPsOTcXGkjtCliDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T09:02:11.498924Z"},"content_sha256":"d8f6452c36bcf77c48a5eba7e90dce753ee1b342437435b8c05a3875a419464c","schema_version":"1.0","event_id":"sha256:d8f6452c36bcf77c48a5eba7e90dce753ee1b342437435b8c05a3875a419464c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NC4N7FPI5IXIXV7ICXMAGNA6HX/bundle.json","state_url":"https://pith.science/pith/NC4N7FPI5IXIXV7ICXMAGNA6HX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NC4N7FPI5IXIXV7ICXMAGNA6HX/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":"2026-07-18T09:02:11Z","links":{"resolver":"https://pith.science/pith/NC4N7FPI5IXIXV7ICXMAGNA6HX","bundle":"https://pith.science/pith/NC4N7FPI5IXIXV7ICXMAGNA6HX/bundle.json","state":"https://pith.science/pith/NC4N7FPI5IXIXV7ICXMAGNA6HX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NC4N7FPI5IXIXV7ICXMAGNA6HX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NC4N7FPI5IXIXV7ICXMAGNA6HX","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":"87ef6017b1f2d7dbe79ea2d678d66cebc8dae51ab4329a82b78f30baa9ebde92","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-04T18:58:49Z","title_canon_sha256":"644d2e21ead6724d35646e1d15edfb673cbc52a4ab23e1d9c27ad9efd98fcb06"},"schema_version":"1.0","source":{"id":"2504.03874","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.03874","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"arxiv_version","alias_value":"2504.03874v1","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.03874","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"pith_short_12","alias_value":"NC4N7FPI5IXI","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"pith_short_16","alias_value":"NC4N7FPI5IXIXV7I","created_at":"2026-07-05T10:44:50Z"},{"alias_kind":"pith_short_8","alias_value":"NC4N7FPI","created_at":"2026-07-05T10:44:50Z"}],"graph_snapshots":[{"event_id":"sha256:d8f6452c36bcf77c48a5eba7e90dce753ee1b342437435b8c05a3875a419464c","target":"graph","created_at":"2026-07-05T10:44:50Z","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/2504.03874/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Supermassive black hole (SMBH) binaries in gaseous and stellar environments are prime targets for next-generation space-based gravitational wave detectors. Yet, realistic accretion conditions under which these binary systems evolve are not fully understood. In this work, we demonstrate the hypermagnetized multi-phase nature of the surrounding accretion flow formed by large-scale feeding from a galaxy background. Our simulations indicate that the hypermagnetized circumbinary disk is eccentric and warped, hosting a hot gas core for a parsec-scale separated binary. We also observe collimated bipo","authors_text":"Aretaios Lalakos, Elias R. Most, Hai-Yang Wang, Minghao Guo, Philip F. Hopkins","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-04T18:58:49Z","title":"Galactic-scale Feeding Reveals Warped Hypermagnetized Multiphase Circumbinary Accretion Around Supermassive Black Hole Binaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.03874","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":"sha256:444e21a56df5583ecaa82b7922cb47d37f19ba46969fd7d240dbc88549044370","target":"record","created_at":"2026-07-05T10:44:50Z","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":"87ef6017b1f2d7dbe79ea2d678d66cebc8dae51ab4329a82b78f30baa9ebde92","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-04T18:58:49Z","title_canon_sha256":"644d2e21ead6724d35646e1d15edfb673cbc52a4ab23e1d9c27ad9efd98fcb06"},"schema_version":"1.0","source":{"id":"2504.03874","kind":"arxiv","version":1}},"canonical_sha256":"68b8df95e8ea2e8bd7e815d803341e3dc79d24640b4716c1184c03e2940e437c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68b8df95e8ea2e8bd7e815d803341e3dc79d24640b4716c1184c03e2940e437c","first_computed_at":"2026-07-05T10:44:50.153920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:44:50.153920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dJkCrGAQ+HEHXwYpqTS0zWYj5H+dGQlXEW9As99cVvSuyK8xp+NBcUIx2Lj+jTPSZoPudVbD5JVyqKmUMJ20BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:44:50.154418Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.03874","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:444e21a56df5583ecaa82b7922cb47d37f19ba46969fd7d240dbc88549044370","sha256:d8f6452c36bcf77c48a5eba7e90dce753ee1b342437435b8c05a3875a419464c"],"state_sha256":"862ee45a16c81f54b35f21f8e9f90e2fc1d21276d9570fdca28408c06a7c0b2b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gvl/NRZNMCNQMdcS+9TxU5ZChZ4mV6rKSDP6wcDFS2naDOOEXXowFBie8jYpbjH64QARol1SRuKf4ddqmEMzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T09:02:11.501152Z","bundle_sha256":"da56e63879d24e04b4ce1f5fce8da4597411c18435fa00dcd4c0c6f67d51e176"}}