{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:SO3A3X5ISC7YVBHA7YQSQNPBAU","short_pith_number":"pith:SO3A3X5I","canonical_record":{"source":{"id":"2308.04590","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-08T21:18:58Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5df30bef59d6660d2fef31cf17d2badbc903b0554f0fe9b918dc811e135c5f16","abstract_canon_sha256":"06e93c4a7a458eb64abe07c6279507227f254d4cc373542cb3c707a8709feb06"},"schema_version":"1.0"},"canonical_sha256":"93b60ddfa890bf8a84e0fe212835e1050f2f0cf726906a6807169cfd67cec76a","source":{"kind":"arxiv","id":"2308.04590","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04590","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04590v2","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04590","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"pith_short_12","alias_value":"SO3A3X5ISC7Y","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"SO3A3X5ISC7YVBHA","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"SO3A3X5I","created_at":"2026-07-05T08:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:SO3A3X5ISC7YVBHA7YQSQNPBAU","target":"record","payload":{"canonical_record":{"source":{"id":"2308.04590","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-08T21:18:58Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5df30bef59d6660d2fef31cf17d2badbc903b0554f0fe9b918dc811e135c5f16","abstract_canon_sha256":"06e93c4a7a458eb64abe07c6279507227f254d4cc373542cb3c707a8709feb06"},"schema_version":"1.0"},"canonical_sha256":"93b60ddfa890bf8a84e0fe212835e1050f2f0cf726906a6807169cfd67cec76a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:25:49.288228Z","signature_b64":"CZLScs58xWp94mt03MJYlJZaaOq7Hu1gwuSyADuHo6xBcx5P6pU4FuCPuqZQv6Vpvog3ebul/DjQ8EvauNq3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93b60ddfa890bf8a84e0fe212835e1050f2f0cf726906a6807169cfd67cec76a","last_reissued_at":"2026-07-05T08:25:49.287677Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:25:49.287677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.04590","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:25:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QCwnJkpS9zhCMVuG9kVuqEB0XoWovmSBNd1494xBCLB52egwPBObZqtK3Zaukd512EFf0MkzfjOd5HdBX3p4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:22:10.169396Z"},"content_sha256":"d28c926ba24da75d2ca09d73e5ae278810415d6385eb6b001955e6c70bf3203e","schema_version":"1.0","event_id":"sha256:d28c926ba24da75d2ca09d73e5ae278810415d6385eb6b001955e6c70bf3203e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:SO3A3X5ISC7YVBHA7YQSQNPBAU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bounds on Ultralight Dark Matter from NANOGrav","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Alessandro Dondarini, Giovanni Armando, Mohammad Aghaie, Paolo Panci","submitted_at":"2023-08-08T21:18:58Z","abstract_excerpt":"The compelling evidence for the detection of the stochastic gravitational wave background by NANOGrav imposes constraints on the mass of compact cores of ultralight dark matter, also known as \"solitons\", surrounding supermassive black holes found at the centers of large galaxies. The strong dynamical friction between the rotating black holes and the solitons competes with gravitational emission, resulting in a suppression of the characteristic strain in the nHz frequency range. Our findings robustly rule out ultralight dark matter particles with masses ranging from $1.3\\times 10^{-21}$ eV to $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04590","kind":"arxiv","version":2},"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/2308.04590/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":"2026-07-05T08:25:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yLK0pBq7iB4SJLoMKzENCl/C3qijpnI9qhv7gWZrf7fRA2EkMnMFOQbr2+Lr+mcRljrRrMlkfvrM3jxOIm1yCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:22:10.170015Z"},"content_sha256":"a87c8b3559b6dbb2ad5f2d4a3acbd512872512c39dbb4b71b43dc06b50925277","schema_version":"1.0","event_id":"sha256:a87c8b3559b6dbb2ad5f2d4a3acbd512872512c39dbb4b71b43dc06b50925277"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SO3A3X5ISC7YVBHA7YQSQNPBAU/bundle.json","state_url":"https://pith.science/pith/SO3A3X5ISC7YVBHA7YQSQNPBAU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SO3A3X5ISC7YVBHA7YQSQNPBAU/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":"2026-08-11T01:22:10Z","links":{"resolver":"https://pith.science/pith/SO3A3X5ISC7YVBHA7YQSQNPBAU","bundle":"https://pith.science/pith/SO3A3X5ISC7YVBHA7YQSQNPBAU/bundle.json","state":"https://pith.science/pith/SO3A3X5ISC7YVBHA7YQSQNPBAU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SO3A3X5ISC7YVBHA7YQSQNPBAU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:SO3A3X5ISC7YVBHA7YQSQNPBAU","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":"06e93c4a7a458eb64abe07c6279507227f254d4cc373542cb3c707a8709feb06","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-08T21:18:58Z","title_canon_sha256":"5df30bef59d6660d2fef31cf17d2badbc903b0554f0fe9b918dc811e135c5f16"},"schema_version":"1.0","source":{"id":"2308.04590","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04590","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04590v2","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04590","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"pith_short_12","alias_value":"SO3A3X5ISC7Y","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"SO3A3X5ISC7YVBHA","created_at":"2026-07-05T08:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"SO3A3X5I","created_at":"2026-07-05T08:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:a87c8b3559b6dbb2ad5f2d4a3acbd512872512c39dbb4b71b43dc06b50925277","target":"graph","created_at":"2026-07-05T08:25:49Z","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/2308.04590/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The compelling evidence for the detection of the stochastic gravitational wave background by NANOGrav imposes constraints on the mass of compact cores of ultralight dark matter, also known as \"solitons\", surrounding supermassive black holes found at the centers of large galaxies. The strong dynamical friction between the rotating black holes and the solitons competes with gravitational emission, resulting in a suppression of the characteristic strain in the nHz frequency range. Our findings robustly rule out ultralight dark matter particles with masses ranging from $1.3\\times 10^{-21}$ eV to $","authors_text":"Alessandro Dondarini, Giovanni Armando, Mohammad Aghaie, Paolo Panci","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-08T21:18:58Z","title":"Bounds on Ultralight Dark Matter from NANOGrav"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04590","kind":"arxiv","version":2},"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:d28c926ba24da75d2ca09d73e5ae278810415d6385eb6b001955e6c70bf3203e","target":"record","created_at":"2026-07-05T08:25:49Z","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":"06e93c4a7a458eb64abe07c6279507227f254d4cc373542cb3c707a8709feb06","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-08T21:18:58Z","title_canon_sha256":"5df30bef59d6660d2fef31cf17d2badbc903b0554f0fe9b918dc811e135c5f16"},"schema_version":"1.0","source":{"id":"2308.04590","kind":"arxiv","version":2}},"canonical_sha256":"93b60ddfa890bf8a84e0fe212835e1050f2f0cf726906a6807169cfd67cec76a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93b60ddfa890bf8a84e0fe212835e1050f2f0cf726906a6807169cfd67cec76a","first_computed_at":"2026-07-05T08:25:49.287677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:25:49.287677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CZLScs58xWp94mt03MJYlJZaaOq7Hu1gwuSyADuHo6xBcx5P6pU4FuCPuqZQv6Vpvog3ebul/DjQ8EvauNq3Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:25:49.288228Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.04590","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d28c926ba24da75d2ca09d73e5ae278810415d6385eb6b001955e6c70bf3203e","sha256:a87c8b3559b6dbb2ad5f2d4a3acbd512872512c39dbb4b71b43dc06b50925277"],"state_sha256":"4fc2f54dfe928da32d694b6e1ecead45c83acfd26f722ac19dd445b41c800598"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c4YcNbl52j29w+7Swch3gUmMrPlcZZ6Cmzcgc+ulWS2T2F9L2ltTxbInDWxa886K2qlwY3kOYrLubJeAHlh7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T01:22:10.173429Z","bundle_sha256":"ab70539c8ccc93fcba600b5b53007bc8cfad35be888cd32e20fb4f07538a13e3"}}