{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RL54HM37ZXGEQIUZCWHBOWC3LZ","short_pith_number":"pith:RL54HM37","canonical_record":{"source":{"id":"1911.09678","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-21T18:59:59Z","cross_cats_sorted":[],"title_canon_sha256":"168c3be8deae9aa4878e7057c9a2698099597bf4ab505e5a7c7caa0110ee6c9b","abstract_canon_sha256":"79273b7efacca66eec20712e7c69ca29b9da5d96c6c1c8921b32665ff689f7cd"},"schema_version":"1.0"},"canonical_sha256":"8afbc3b37fcdcc482299158e17585b5e69036d22ee60aec30d8c4af4e4c37887","source":{"kind":"arxiv","id":"1911.09678","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.09678","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"arxiv_version","alias_value":"1911.09678v2","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.09678","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"pith_short_12","alias_value":"RL54HM37ZXGE","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RL54HM37ZXGEQIUZ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RL54HM37","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RL54HM37ZXGEQIUZCWHBOWC3LZ","target":"record","payload":{"canonical_record":{"source":{"id":"1911.09678","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-21T18:59:59Z","cross_cats_sorted":[],"title_canon_sha256":"168c3be8deae9aa4878e7057c9a2698099597bf4ab505e5a7c7caa0110ee6c9b","abstract_canon_sha256":"79273b7efacca66eec20712e7c69ca29b9da5d96c6c1c8921b32665ff689f7cd"},"schema_version":"1.0"},"canonical_sha256":"8afbc3b37fcdcc482299158e17585b5e69036d22ee60aec30d8c4af4e4c37887","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:38:14.354871Z","signature_b64":"bNLljw3IeCztfuj9IS0FKr2oQP0Wew1GIthKKti+wrj+JNC+luIcYx7IWOlkcxDdTgPIGaOhR49p+pqIhxH1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8afbc3b37fcdcc482299158e17585b5e69036d22ee60aec30d8c4af4e4c37887","last_reissued_at":"2026-05-17T23:38:14.354302Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:38:14.354302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.09678","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":"2026-05-17T23:38:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vQEzZRKlqjtBc/pM9H8CMKhHEWIrTqkbHUCBDTyqrhNqZaN9BWOZEHoPz+mOpoJOp+iwq/ffntjCxGBpiYKZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T05:48:54.095991Z"},"content_sha256":"4342dec26280c17c09efc0eda06ef39a81b182e7400644f3637c98586cbeca34","schema_version":"1.0","event_id":"sha256:4342dec26280c17c09efc0eda06ef39a81b182e7400644f3637c98586cbeca34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RL54HM37ZXGEQIUZCWHBOWC3LZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intermediate-Mass Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Dynamical and accretion signatures indicate that most galaxies with masses 10^9 to 10^10 solar masses contain black holes below 10^5 solar masses, while no solid detections exist in globular clusters.","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Jay Strader, Jenny E. Greene, Luis C. Ho","submitted_at":"2019-11-21T18:59:59Z","abstract_excerpt":"We describe ongoing searches for intermediate-mass black holes with M_BH ~ 100-10^5 M_sun. We review a range of search mechanisms, both dynamical and those that rely on accretion signatures. We find that dynamical and accretion signatures alike point to a high fraction of 10^9-10^10 M_sun galaxies hosting black holes with M_BH<10^5 M_sun. In contrast, there are no solid detections of black holes in globular clusters. There are few observational constraints on black holes in any environment with M_BH ~ 100-10^4 M_sun. Considering low-mass galaxies with dynamical black hole masses and constraini"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We find that dynamical and accretion signatures alike point to a high fraction of 10^9-10^10 M_sun galaxies hosting black holes with M_BH<10^5 M_sun. In contrast, there are no solid detections of black holes in globular clusters.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The interpretation that non-detections in globular clusters reflect true absence rather than observational limits or selection effects, and that the observed scatter in the M_BH-sigma relation is driven by a broad range in black hole mass and occupation fraction.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"A literature review finds that a high fraction of low-mass galaxies host intermediate-mass black holes below 100,000 solar masses, with no solid detections in globular clusters and the black hole mass-stellar velocity dispersion relation extending unbroken to lower masses despite large scatter.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Dynamical and accretion signatures indicate that most galaxies with masses 10^9 to 10^10 solar masses contain black holes below 10^5 solar masses, while no solid detections exist in globular clusters.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"fb4bc8a6488ff10077adef584122dd1658442e73ef4e551e5c866379c5ba80cc"},"source":{"id":"1911.09678","kind":"arxiv","version":2},"verdict":{"id":"43bf1f3b-bc82-4c0f-90ef-793d000ff064","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-17T10:31:43.458368Z","strongest_claim":"We find that dynamical and accretion signatures alike point to a high fraction of 10^9-10^10 M_sun galaxies hosting black holes with M_BH<10^5 M_sun. In contrast, there are no solid detections of black holes in globular clusters.","one_line_summary":"A literature review finds that a high fraction of low-mass galaxies host intermediate-mass black holes below 100,000 solar masses, with no solid detections in globular clusters and the black hole mass-stellar velocity dispersion relation extending unbroken to lower masses despite large scatter.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The interpretation that non-detections in globular clusters reflect true absence rather than observational limits or selection effects, and that the observed scatter in the M_BH-sigma relation is driven by a broad range in black hole mass and occupation fraction.","pith_extraction_headline":"Dynamical and accretion signatures indicate that most galaxies with masses 10^9 to 10^10 solar masses contain black holes below 10^5 solar masses, while no solid detections exist in globular clusters."},"references":{"count":300,"sample":[{"doi":"","year":2009,"title":"Abadi MG, Navarro JF, Steinmetz M. 2009. 691:L63--L66","work_id":"fc6c7018-b56c-45c6-b509-b240be83c041","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2018,"title":"Abbate F, Possenti A, Ridolfi A, Freire PCC, Camilo F, et al. 2018. 481:627--638","work_id":"28c161e7-be56-45d5-ac4b-cb042ecc9fe1","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2018,"title":"Afanasiev AV, Chilingarian IV, Mieske S, Voggel KT, Picotti A, et al. 2018. 477:4856--4865","work_id":"d6d7340b-5575-4cbc-ae50-5d433ac8bb27","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2018,"title":"Ahn CP, Seth AC, Cappellari M, Krajnovi \\'c D, Strader J, et al. 2018. 858:102","work_id":"2f8e762d-c13d-44de-adf5-68389b446931","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2017,"title":"Ahn CP, Seth AC, den Brok M, Strader J, Baumgardt H, et al. 2017. 839:72","work_id":"3b7f4af1-e799-4c70-9a0a-1ef477fc6274","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":300,"snapshot_sha256":"3719b0ab76e9d0f8664fd88ec8d4d020ba91f7fb93e70e3c8405541d93eb0f01","internal_anchors":2},"formal_canon":{"evidence_count":2,"snapshot_sha256":"6c092f8c92764b8e4ae4f558506be0fd13f6c7c253438bc612aa3bec4b6b3617"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":"43bf1f3b-bc82-4c0f-90ef-793d000ff064"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:38:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nrt8wwxktCIfxfnRAIH5Jx+c+MlNEIsbREgT589FuExbpUPiBMj64QJyCReeM2sbIv/cB5d6BkEEYtJ6esZbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T05:48:54.097075Z"},"content_sha256":"e3d8efcc3f7e5078bbf9c2e98bf9804a2a985da1712199abc7d3431640cdfbaa","schema_version":"1.0","event_id":"sha256:e3d8efcc3f7e5078bbf9c2e98bf9804a2a985da1712199abc7d3431640cdfbaa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ/bundle.json","state_url":"https://pith.science/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ/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":"2026-06-10T05:48:54Z","links":{"resolver":"https://pith.science/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ","bundle":"https://pith.science/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ/bundle.json","state":"https://pith.science/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RL54HM37ZXGEQIUZCWHBOWC3LZ","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":"79273b7efacca66eec20712e7c69ca29b9da5d96c6c1c8921b32665ff689f7cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-21T18:59:59Z","title_canon_sha256":"168c3be8deae9aa4878e7057c9a2698099597bf4ab505e5a7c7caa0110ee6c9b"},"schema_version":"1.0","source":{"id":"1911.09678","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.09678","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"arxiv_version","alias_value":"1911.09678v2","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.09678","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"pith_short_12","alias_value":"RL54HM37ZXGE","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RL54HM37ZXGEQIUZ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RL54HM37","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:e3d8efcc3f7e5078bbf9c2e98bf9804a2a985da1712199abc7d3431640cdfbaa","target":"graph","created_at":"2026-05-17T23:38:14Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"We find that dynamical and accretion signatures alike point to a high fraction of 10^9-10^10 M_sun galaxies hosting black holes with M_BH<10^5 M_sun. In contrast, there are no solid detections of black holes in globular clusters."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The interpretation that non-detections in globular clusters reflect true absence rather than observational limits or selection effects, and that the observed scatter in the M_BH-sigma relation is driven by a broad range in black hole mass and occupation fraction."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"A literature review finds that a high fraction of low-mass galaxies host intermediate-mass black holes below 100,000 solar masses, with no solid detections in globular clusters and the black hole mass-stellar velocity dispersion relation extending unbroken to lower masses despite large scatter."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Dynamical and accretion signatures indicate that most galaxies with masses 10^9 to 10^10 solar masses contain black holes below 10^5 solar masses, while no solid detections exist in globular clusters."}],"snapshot_sha256":"fb4bc8a6488ff10077adef584122dd1658442e73ef4e551e5c866379c5ba80cc"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"6c092f8c92764b8e4ae4f558506be0fd13f6c7c253438bc612aa3bec4b6b3617"},"paper":{"abstract_excerpt":"We describe ongoing searches for intermediate-mass black holes with M_BH ~ 100-10^5 M_sun. We review a range of search mechanisms, both dynamical and those that rely on accretion signatures. We find that dynamical and accretion signatures alike point to a high fraction of 10^9-10^10 M_sun galaxies hosting black holes with M_BH<10^5 M_sun. In contrast, there are no solid detections of black holes in globular clusters. There are few observational constraints on black holes in any environment with M_BH ~ 100-10^4 M_sun. Considering low-mass galaxies with dynamical black hole masses and constraini","authors_text":"Jay Strader, Jenny E. Greene, Luis C. Ho","cross_cats":[],"headline":"Dynamical and accretion signatures indicate that most galaxies with masses 10^9 to 10^10 solar masses contain black holes below 10^5 solar masses, while no solid detections exist in globular clusters.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-21T18:59:59Z","title":"Intermediate-Mass Black Holes"},"references":{"count":300,"internal_anchors":2,"resolved_work":300,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"Abadi MG, Navarro JF, Steinmetz M. 2009. 691:L63--L66","work_id":"fc6c7018-b56c-45c6-b509-b240be83c041","year":2009},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"Abbate F, Possenti A, Ridolfi A, Freire PCC, Camilo F, et al. 2018. 481:627--638","work_id":"28c161e7-be56-45d5-ac4b-cb042ecc9fe1","year":2018},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"Afanasiev AV, Chilingarian IV, Mieske S, Voggel KT, Picotti A, et al. 2018. 477:4856--4865","work_id":"d6d7340b-5575-4cbc-ae50-5d433ac8bb27","year":2018},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"Ahn CP, Seth AC, Cappellari M, Krajnovi \\'c D, Strader J, et al. 2018. 858:102","work_id":"2f8e762d-c13d-44de-adf5-68389b446931","year":2018},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"Ahn CP, Seth AC, den Brok M, Strader J, Baumgardt H, et al. 2017. 839:72","work_id":"3b7f4af1-e799-4c70-9a0a-1ef477fc6274","year":2017}],"snapshot_sha256":"3719b0ab76e9d0f8664fd88ec8d4d020ba91f7fb93e70e3c8405541d93eb0f01"},"source":{"id":"1911.09678","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-17T10:31:43.458368Z","id":"43bf1f3b-bc82-4c0f-90ef-793d000ff064","model_set":{"reader":"grok-4.3"},"one_line_summary":"A literature review finds that a high fraction of low-mass galaxies host intermediate-mass black holes below 100,000 solar masses, with no solid detections in globular clusters and the black hole mass-stellar velocity dispersion relation extending unbroken to lower masses despite large scatter.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Dynamical and accretion signatures indicate that most galaxies with masses 10^9 to 10^10 solar masses contain black holes below 10^5 solar masses, while no solid detections exist in globular clusters.","strongest_claim":"We find that dynamical and accretion signatures alike point to a high fraction of 10^9-10^10 M_sun galaxies hosting black holes with M_BH<10^5 M_sun. In contrast, there are no solid detections of black holes in globular clusters.","weakest_assumption":"The interpretation that non-detections in globular clusters reflect true absence rather than observational limits or selection effects, and that the observed scatter in the M_BH-sigma relation is driven by a broad range in black hole mass and occupation fraction."}},"verdict_id":"43bf1f3b-bc82-4c0f-90ef-793d000ff064"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4342dec26280c17c09efc0eda06ef39a81b182e7400644f3637c98586cbeca34","target":"record","created_at":"2026-05-17T23:38:14Z","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":"79273b7efacca66eec20712e7c69ca29b9da5d96c6c1c8921b32665ff689f7cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-21T18:59:59Z","title_canon_sha256":"168c3be8deae9aa4878e7057c9a2698099597bf4ab505e5a7c7caa0110ee6c9b"},"schema_version":"1.0","source":{"id":"1911.09678","kind":"arxiv","version":2}},"canonical_sha256":"8afbc3b37fcdcc482299158e17585b5e69036d22ee60aec30d8c4af4e4c37887","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8afbc3b37fcdcc482299158e17585b5e69036d22ee60aec30d8c4af4e4c37887","first_computed_at":"2026-05-17T23:38:14.354302Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:38:14.354302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bNLljw3IeCztfuj9IS0FKr2oQP0Wew1GIthKKti+wrj+JNC+luIcYx7IWOlkcxDdTgPIGaOhR49p+pqIhxH1Cg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:38:14.354871Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.09678","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4342dec26280c17c09efc0eda06ef39a81b182e7400644f3637c98586cbeca34","sha256:e3d8efcc3f7e5078bbf9c2e98bf9804a2a985da1712199abc7d3431640cdfbaa"],"state_sha256":"2a93efbec81b9f49d0f6dc65d0f3baeb47d1f24ee2b5ce8cab6ff1b994b15b5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bi9Vc2FX9K81P10pNEwdoOyeUq/IQceObsg5YJTB/fvKZNPC6b657e/Z3A1ZhWjlcpjP0CAtQi8dMdokE/BlCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T05:48:54.102024Z","bundle_sha256":"675b726f2c0dfdd40453c5132aa636611b1c892d01d11fde1fd8155262be8ad4"}}