{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2Z3CFKEGK5OL7W5SJZFZ66KAB4","short_pith_number":"pith:2Z3CFKEG","canonical_record":{"source":{"id":"2504.01327","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-02T03:24:35Z","cross_cats_sorted":[],"title_canon_sha256":"b29dd8cfebd7abfeb6facea6bb4a25e8d5c6055103a1a171e39e2f7b7e294a36","abstract_canon_sha256":"0abceff0745cba3f2916ebe9c474346907bac554f296d628f95a82347a2341e0"},"schema_version":"1.0"},"canonical_sha256":"d67622a886575cbfdbb24e4b9f79400f0bfee2697e2773816edb9dc4c167b1b8","source":{"kind":"arxiv","id":"2504.01327","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.01327","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"arxiv_version","alias_value":"2504.01327v1","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.01327","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"pith_short_12","alias_value":"2Z3CFKEGK5OL","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"2Z3CFKEGK5OL7W5S","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"2Z3CFKEG","created_at":"2026-07-05T11:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2Z3CFKEGK5OL7W5SJZFZ66KAB4","target":"record","payload":{"canonical_record":{"source":{"id":"2504.01327","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-02T03:24:35Z","cross_cats_sorted":[],"title_canon_sha256":"b29dd8cfebd7abfeb6facea6bb4a25e8d5c6055103a1a171e39e2f7b7e294a36","abstract_canon_sha256":"0abceff0745cba3f2916ebe9c474346907bac554f296d628f95a82347a2341e0"},"schema_version":"1.0"},"canonical_sha256":"d67622a886575cbfdbb24e4b9f79400f0bfee2697e2773816edb9dc4c167b1b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:26:28.773922Z","signature_b64":"QzXLDPgPXAUap/AMdlUOgFT8kMUqnjsbdPvySZRTxjnx30ahvF3fBqB0RTQUAY9u4dlVDLp6OlhruTekAg7PAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d67622a886575cbfdbb24e4b9f79400f0bfee2697e2773816edb9dc4c167b1b8","last_reissued_at":"2026-07-05T11:26:28.773440Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:26:28.773440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.01327","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":"2026-07-05T11:26:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AK27RHMJNUgqWxk9VasAcjh+/DzwMjOJ8lU7hT1fesoaeTlx9yPJSm4MJudw4HJfNuhjCmCqJg6PzTcy7BAXAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:36:52.286570Z"},"content_sha256":"020cc264a8d6e9f09255762c74ca1fecb24c3fdc9434b95cba74ff246622c698","schema_version":"1.0","event_id":"sha256:020cc264a8d6e9f09255762c74ca1fecb24c3fdc9434b95cba74ff246622c698"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2Z3CFKEGK5OL7W5SJZFZ66KAB4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-wavelength properties of $z\\gtrsim 6$ LISA detectable events","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Fabio Di Mascia, Fabio Vito, Maulik Bhatt, Milena Valentini, Simona Gallerani, Srija Chakraborty, Stefano Carniani, Tommaso Zana","submitted_at":"2025-04-02T03:24:35Z","abstract_excerpt":"We investigate the intrinsic and observational properties of $z\\gtrsim 6$ galaxies hosting coalescing massive black holes (MBHs) that gives rise to gravitational waves (GWs) detectable with the Laser Interferometer Space Antenna (LISA). We adopt a zoom-in cosmological hydrodynamical simulation of galaxy formation and black hole (BH) co-evolution, zoomed-in on a $M_h \\sim 10^{12}~\\rm M_{\\odot}$ dark matter halo at z = 6, which hosts a fast accreting super-massive black hole (SMBH) and a star-forming galaxy. Following the SMBH formation backward in time, we identify the merging events that concu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.01327","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/2504.01327/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":"2026-07-05T11:26:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uo89cPgJ6faa/VYq8P/xJTwh6txETeQ5zGP0uDCjwkzc42dklMhxLRg2KyqogNie0QSE7aBxFy4URxtr3JZ7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:36:52.286931Z"},"content_sha256":"3c532aa28e79afb1e5865269b50a40e0a1a97df49b0edfa56bfe769955a6380e","schema_version":"1.0","event_id":"sha256:3c532aa28e79afb1e5865269b50a40e0a1a97df49b0edfa56bfe769955a6380e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2Z3CFKEGK5OL7W5SJZFZ66KAB4/bundle.json","state_url":"https://pith.science/pith/2Z3CFKEGK5OL7W5SJZFZ66KAB4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2Z3CFKEGK5OL7W5SJZFZ66KAB4/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":"2026-07-07T12:36:52Z","links":{"resolver":"https://pith.science/pith/2Z3CFKEGK5OL7W5SJZFZ66KAB4","bundle":"https://pith.science/pith/2Z3CFKEGK5OL7W5SJZFZ66KAB4/bundle.json","state":"https://pith.science/pith/2Z3CFKEGK5OL7W5SJZFZ66KAB4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2Z3CFKEGK5OL7W5SJZFZ66KAB4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2Z3CFKEGK5OL7W5SJZFZ66KAB4","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":"0abceff0745cba3f2916ebe9c474346907bac554f296d628f95a82347a2341e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-02T03:24:35Z","title_canon_sha256":"b29dd8cfebd7abfeb6facea6bb4a25e8d5c6055103a1a171e39e2f7b7e294a36"},"schema_version":"1.0","source":{"id":"2504.01327","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.01327","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"arxiv_version","alias_value":"2504.01327v1","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.01327","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"pith_short_12","alias_value":"2Z3CFKEGK5OL","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"2Z3CFKEGK5OL7W5S","created_at":"2026-07-05T11:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"2Z3CFKEG","created_at":"2026-07-05T11:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:3c532aa28e79afb1e5865269b50a40e0a1a97df49b0edfa56bfe769955a6380e","target":"graph","created_at":"2026-07-05T11:26:28Z","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/2504.01327/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the intrinsic and observational properties of $z\\gtrsim 6$ galaxies hosting coalescing massive black holes (MBHs) that gives rise to gravitational waves (GWs) detectable with the Laser Interferometer Space Antenna (LISA). We adopt a zoom-in cosmological hydrodynamical simulation of galaxy formation and black hole (BH) co-evolution, zoomed-in on a $M_h \\sim 10^{12}~\\rm M_{\\odot}$ dark matter halo at z = 6, which hosts a fast accreting super-massive black hole (SMBH) and a star-forming galaxy. Following the SMBH formation backward in time, we identify the merging events that concu","authors_text":"Fabio Di Mascia, Fabio Vito, Maulik Bhatt, Milena Valentini, Simona Gallerani, Srija Chakraborty, Stefano Carniani, Tommaso Zana","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-02T03:24:35Z","title":"Multi-wavelength properties of $z\\gtrsim 6$ LISA detectable events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.01327","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":"sha256:020cc264a8d6e9f09255762c74ca1fecb24c3fdc9434b95cba74ff246622c698","target":"record","created_at":"2026-07-05T11:26:28Z","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":"0abceff0745cba3f2916ebe9c474346907bac554f296d628f95a82347a2341e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-02T03:24:35Z","title_canon_sha256":"b29dd8cfebd7abfeb6facea6bb4a25e8d5c6055103a1a171e39e2f7b7e294a36"},"schema_version":"1.0","source":{"id":"2504.01327","kind":"arxiv","version":1}},"canonical_sha256":"d67622a886575cbfdbb24e4b9f79400f0bfee2697e2773816edb9dc4c167b1b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d67622a886575cbfdbb24e4b9f79400f0bfee2697e2773816edb9dc4c167b1b8","first_computed_at":"2026-07-05T11:26:28.773440Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:26:28.773440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QzXLDPgPXAUap/AMdlUOgFT8kMUqnjsbdPvySZRTxjnx30ahvF3fBqB0RTQUAY9u4dlVDLp6OlhruTekAg7PAg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:26:28.773922Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.01327","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:020cc264a8d6e9f09255762c74ca1fecb24c3fdc9434b95cba74ff246622c698","sha256:3c532aa28e79afb1e5865269b50a40e0a1a97df49b0edfa56bfe769955a6380e"],"state_sha256":"e18d39e12fea31f5ebe2859e655886f60af7da910796d37cf19be2172dac0b12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CLy7FVLhmxsc7ez5pvh/N++iiFZkkt4+1NKgcPNw3TKgxqU8Ap3dv/KzMBEPGDVsdJMU8k8k/+pzzA6ZEW0gAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:36:52.288852Z","bundle_sha256":"72d718d77cab512177745bb77d6b3cd0c417fee4a7660fbd1a2df02436ec05ea"}}