{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:HMFSTI6ZMKFIKLUI7XVMV4C3MV","short_pith_number":"pith:HMFSTI6Z","canonical_record":{"source":{"id":"2503.05537","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-03-07T16:04:23Z","cross_cats_sorted":[],"title_canon_sha256":"79ca70f3bf807f72bcb7a5794c7ec775dcb2ac1d52f59f902b60bb6c543408d9","abstract_canon_sha256":"bad635fb6c94b8c2f714b1bd67ebed30cf42a20581b2648c145a0ab168d007a1"},"schema_version":"1.0"},"canonical_sha256":"3b0b29a3d9628a852e88fdeacaf05b65654cba86eafc48f10e83fe9085704464","source":{"kind":"arxiv","id":"2503.05537","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.05537","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"arxiv_version","alias_value":"2503.05537v2","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.05537","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"pith_short_12","alias_value":"HMFSTI6ZMKFI","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"pith_short_16","alias_value":"HMFSTI6ZMKFIKLUI","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"pith_short_8","alias_value":"HMFSTI6Z","created_at":"2026-07-05T11:38:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:HMFSTI6ZMKFIKLUI7XVMV4C3MV","target":"record","payload":{"canonical_record":{"source":{"id":"2503.05537","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-03-07T16:04:23Z","cross_cats_sorted":[],"title_canon_sha256":"79ca70f3bf807f72bcb7a5794c7ec775dcb2ac1d52f59f902b60bb6c543408d9","abstract_canon_sha256":"bad635fb6c94b8c2f714b1bd67ebed30cf42a20581b2648c145a0ab168d007a1"},"schema_version":"1.0"},"canonical_sha256":"3b0b29a3d9628a852e88fdeacaf05b65654cba86eafc48f10e83fe9085704464","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:38:05.140648Z","signature_b64":"TemB8NXKAAB2smlwCRs80gTK8RTdAl8PR1TCRghUuK6AnNrqjNdGjX2BRBB1glS1z3CXq+X6k5eDLF6SzUJsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b0b29a3d9628a852e88fdeacaf05b65654cba86eafc48f10e83fe9085704464","last_reissued_at":"2026-07-05T11:38:05.140116Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:38:05.140116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.05537","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":"2026-07-05T11:38:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/j04mi4cHDVbJEIxZVHzc0k9QRnrBE3a8AQEu4aCXjqDr0bX5U87NIQp6dDkFjRcIaU/jGsRBPGs13CPgNBrAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:39:40.463835Z"},"content_sha256":"93d5c6b0cd12211e49ff856f5f1652a873f1c1dc754d3262c9081009766413e8","schema_version":"1.0","event_id":"sha256:93d5c6b0cd12211e49ff856f5f1652a873f1c1dc754d3262c9081009766413e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:HMFSTI6ZMKFIKLUI7XVMV4C3MV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Little Red Dots as the Very First Activity of Black Hole Growth","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Kohei Inayoshi","submitted_at":"2025-03-07T16:04:23Z","abstract_excerpt":"The James Webb Space Telescope has detected massive black holes (BHs) with masses of $\\sim 10^{6-8}~M_\\odot$ within the first billion years of the universe. One of the remarkable findings is the identification of \"Little Red Dots\" (LRDs), a unique class of active galactic nuclei (AGNs) with distinct characteristics representing a key phase in the formation and growth of early BHs. Here, we analyze the occurrence rate of LRDs, which emerge around redshifts $z \\sim 6-8$ and sharply decline at $z < 4$. We find that this trend follows a log-normal distribution, commonly observed in phenomena drive"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.05537","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/2503.05537/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":"2026-07-05T11:38:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1BdByiYMBX3PZHawlKZgVdqjquEgxT5INWqjMkI6yk8gyX/F1upyn0wHMs/PjyUX6qDxUDIISQp/54PWPYyLDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:39:40.464316Z"},"content_sha256":"25a8b0bb530a531aa7f86b870d2845694535169434fa782441cb4008bc5909ca","schema_version":"1.0","event_id":"sha256:25a8b0bb530a531aa7f86b870d2845694535169434fa782441cb4008bc5909ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HMFSTI6ZMKFIKLUI7XVMV4C3MV/bundle.json","state_url":"https://pith.science/pith/HMFSTI6ZMKFIKLUI7XVMV4C3MV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HMFSTI6ZMKFIKLUI7XVMV4C3MV/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":"2026-08-07T08:39:40Z","links":{"resolver":"https://pith.science/pith/HMFSTI6ZMKFIKLUI7XVMV4C3MV","bundle":"https://pith.science/pith/HMFSTI6ZMKFIKLUI7XVMV4C3MV/bundle.json","state":"https://pith.science/pith/HMFSTI6ZMKFIKLUI7XVMV4C3MV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HMFSTI6ZMKFIKLUI7XVMV4C3MV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:HMFSTI6ZMKFIKLUI7XVMV4C3MV","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":"bad635fb6c94b8c2f714b1bd67ebed30cf42a20581b2648c145a0ab168d007a1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-03-07T16:04:23Z","title_canon_sha256":"79ca70f3bf807f72bcb7a5794c7ec775dcb2ac1d52f59f902b60bb6c543408d9"},"schema_version":"1.0","source":{"id":"2503.05537","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.05537","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"arxiv_version","alias_value":"2503.05537v2","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.05537","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"pith_short_12","alias_value":"HMFSTI6ZMKFI","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"pith_short_16","alias_value":"HMFSTI6ZMKFIKLUI","created_at":"2026-07-05T11:38:05Z"},{"alias_kind":"pith_short_8","alias_value":"HMFSTI6Z","created_at":"2026-07-05T11:38:05Z"}],"graph_snapshots":[{"event_id":"sha256:25a8b0bb530a531aa7f86b870d2845694535169434fa782441cb4008bc5909ca","target":"graph","created_at":"2026-07-05T11:38:05Z","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/2503.05537/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The James Webb Space Telescope has detected massive black holes (BHs) with masses of $\\sim 10^{6-8}~M_\\odot$ within the first billion years of the universe. One of the remarkable findings is the identification of \"Little Red Dots\" (LRDs), a unique class of active galactic nuclei (AGNs) with distinct characteristics representing a key phase in the formation and growth of early BHs. Here, we analyze the occurrence rate of LRDs, which emerge around redshifts $z \\sim 6-8$ and sharply decline at $z < 4$. We find that this trend follows a log-normal distribution, commonly observed in phenomena drive","authors_text":"Kohei Inayoshi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-03-07T16:04:23Z","title":"Little Red Dots as the Very First Activity of Black Hole Growth"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.05537","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":"sha256:93d5c6b0cd12211e49ff856f5f1652a873f1c1dc754d3262c9081009766413e8","target":"record","created_at":"2026-07-05T11:38:05Z","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":"bad635fb6c94b8c2f714b1bd67ebed30cf42a20581b2648c145a0ab168d007a1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-03-07T16:04:23Z","title_canon_sha256":"79ca70f3bf807f72bcb7a5794c7ec775dcb2ac1d52f59f902b60bb6c543408d9"},"schema_version":"1.0","source":{"id":"2503.05537","kind":"arxiv","version":2}},"canonical_sha256":"3b0b29a3d9628a852e88fdeacaf05b65654cba86eafc48f10e83fe9085704464","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b0b29a3d9628a852e88fdeacaf05b65654cba86eafc48f10e83fe9085704464","first_computed_at":"2026-07-05T11:38:05.140116Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:38:05.140116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TemB8NXKAAB2smlwCRs80gTK8RTdAl8PR1TCRghUuK6AnNrqjNdGjX2BRBB1glS1z3CXq+X6k5eDLF6SzUJsAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:38:05.140648Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.05537","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93d5c6b0cd12211e49ff856f5f1652a873f1c1dc754d3262c9081009766413e8","sha256:25a8b0bb530a531aa7f86b870d2845694535169434fa782441cb4008bc5909ca"],"state_sha256":"52932ce3b700b1d129142bcd71a710695ac19b543516533845edc1dc15441c7e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5EX/sfailv3hq/Nk1hnV4lQh/QWSKiI00FvQpHktHaRfOI0OZgDXxe3hKpuhwrQfmKme3dmv6KdroOrPDmJ6CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T08:39:40.468978Z","bundle_sha256":"3259616f68cb37d2c85d3249ec1c8195296c7848c5e07e54018ae42e2f66d1a6"}}