{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ZCPN6OQB4ODF3YEEKVP3FV36RB","short_pith_number":"pith:ZCPN6OQB","canonical_record":{"source":{"id":"2404.08234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-12T04:27:33Z","cross_cats_sorted":[],"title_canon_sha256":"e3eef3692ad826c819f36ba7e10bf3a34946b965fbc77eadf316b2ee6d998337","abstract_canon_sha256":"5e1407f0984f4000c19929cd57d79a8bb322edf8ad74f48b16afa965037da939"},"schema_version":"1.0"},"canonical_sha256":"c89edf3a01e3865de084555fb2d77e8845e9b3a72a24b0fff59c6bdb5477c391","source":{"kind":"arxiv","id":"2404.08234","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08234","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08234v1","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08234","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"ZCPN6OQB4ODF","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_16","alias_value":"ZCPN6OQB4ODF3YEE","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_8","alias_value":"ZCPN6OQB","created_at":"2026-07-05T08:07:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ZCPN6OQB4ODF3YEEKVP3FV36RB","target":"record","payload":{"canonical_record":{"source":{"id":"2404.08234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-12T04:27:33Z","cross_cats_sorted":[],"title_canon_sha256":"e3eef3692ad826c819f36ba7e10bf3a34946b965fbc77eadf316b2ee6d998337","abstract_canon_sha256":"5e1407f0984f4000c19929cd57d79a8bb322edf8ad74f48b16afa965037da939"},"schema_version":"1.0"},"canonical_sha256":"c89edf3a01e3865de084555fb2d77e8845e9b3a72a24b0fff59c6bdb5477c391","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:19.561053Z","signature_b64":"nreo6kdxKSWQ1duRKLQOZIGPJP9YHw4iwVZ/Tsc5pomDqGSMEW+5IFDiaFyjXPTXWT3IJWnFVpJ5WmiiL6p2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c89edf3a01e3865de084555fb2d77e8845e9b3a72a24b0fff59c6bdb5477c391","last_reissued_at":"2026-07-05T08:07:19.560643Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:19.560643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.08234","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":"2026-07-05T08:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocqE17GAz5P/pNSgXSlR3o8D4XmQQkqcBukdvplziDraA4cNEG5y92yK9srP/Jm9dQXaj1lzO0Cv4h0BMq2qAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:54:56.972075Z"},"content_sha256":"71a620bb8f425115008c6cfa27d741b89aa48bef049545163d5e60f21d20faf8","schema_version":"1.0","event_id":"sha256:71a620bb8f425115008c6cfa27d741b89aa48bef049545163d5e60f21d20faf8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ZCPN6OQB4ODF3YEEKVP3FV36RB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Searching for Hyper-compact star clusters in the Milky Way using LAMOST and Gaia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Haibo Yuan, Hao Wu, Huawei Zhang, Yilun Wang, Zexi Niu","submitted_at":"2024-04-12T04:27:33Z","abstract_excerpt":"During the early merger of the Milky Way, intermediate-mass black holes in merged dwarf galaxies may have been ejected from the center of their host galaxies due to gravitational waves, carrying some central stars along. This process can lead to the formation of hyper-compact star clusters, potentially hosting black holes in the mass range of $10^4$ to $10^5$ solar masses. These clusters are crucial targets for identifying and investigating intermediate-mass black holes. However, no hyper-compact star clusters in the Milky Way have been identified so far. In this paper, taking advantage of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08234","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/2404.08234/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":"2026-07-05T08:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gSE1puAAK3dUFNlae8ybYGix0nHh0Og3tD/com4UL9E79gGlr3a7azLtJXzT/0yLd8vzS5juscmlzZ8M7S/GBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:54:56.972598Z"},"content_sha256":"b8730b0b0bd3d9afb98e0c275a07388ad6b7f1187abc45ab97d8cc387b44a03c","schema_version":"1.0","event_id":"sha256:b8730b0b0bd3d9afb98e0c275a07388ad6b7f1187abc45ab97d8cc387b44a03c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZCPN6OQB4ODF3YEEKVP3FV36RB/bundle.json","state_url":"https://pith.science/pith/ZCPN6OQB4ODF3YEEKVP3FV36RB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZCPN6OQB4ODF3YEEKVP3FV36RB/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":"2026-08-05T22:54:56Z","links":{"resolver":"https://pith.science/pith/ZCPN6OQB4ODF3YEEKVP3FV36RB","bundle":"https://pith.science/pith/ZCPN6OQB4ODF3YEEKVP3FV36RB/bundle.json","state":"https://pith.science/pith/ZCPN6OQB4ODF3YEEKVP3FV36RB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZCPN6OQB4ODF3YEEKVP3FV36RB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ZCPN6OQB4ODF3YEEKVP3FV36RB","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":"5e1407f0984f4000c19929cd57d79a8bb322edf8ad74f48b16afa965037da939","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-12T04:27:33Z","title_canon_sha256":"e3eef3692ad826c819f36ba7e10bf3a34946b965fbc77eadf316b2ee6d998337"},"schema_version":"1.0","source":{"id":"2404.08234","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08234","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08234v1","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08234","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"ZCPN6OQB4ODF","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_16","alias_value":"ZCPN6OQB4ODF3YEE","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_8","alias_value":"ZCPN6OQB","created_at":"2026-07-05T08:07:19Z"}],"graph_snapshots":[{"event_id":"sha256:b8730b0b0bd3d9afb98e0c275a07388ad6b7f1187abc45ab97d8cc387b44a03c","target":"graph","created_at":"2026-07-05T08:07:19Z","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/2404.08234/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"During the early merger of the Milky Way, intermediate-mass black holes in merged dwarf galaxies may have been ejected from the center of their host galaxies due to gravitational waves, carrying some central stars along. This process can lead to the formation of hyper-compact star clusters, potentially hosting black holes in the mass range of $10^4$ to $10^5$ solar masses. These clusters are crucial targets for identifying and investigating intermediate-mass black holes. However, no hyper-compact star clusters in the Milky Way have been identified so far. In this paper, taking advantage of the","authors_text":"Haibo Yuan, Hao Wu, Huawei Zhang, Yilun Wang, Zexi Niu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-12T04:27:33Z","title":"Searching for Hyper-compact star clusters in the Milky Way using LAMOST and Gaia"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08234","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":"sha256:71a620bb8f425115008c6cfa27d741b89aa48bef049545163d5e60f21d20faf8","target":"record","created_at":"2026-07-05T08:07:19Z","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":"5e1407f0984f4000c19929cd57d79a8bb322edf8ad74f48b16afa965037da939","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-12T04:27:33Z","title_canon_sha256":"e3eef3692ad826c819f36ba7e10bf3a34946b965fbc77eadf316b2ee6d998337"},"schema_version":"1.0","source":{"id":"2404.08234","kind":"arxiv","version":1}},"canonical_sha256":"c89edf3a01e3865de084555fb2d77e8845e9b3a72a24b0fff59c6bdb5477c391","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c89edf3a01e3865de084555fb2d77e8845e9b3a72a24b0fff59c6bdb5477c391","first_computed_at":"2026-07-05T08:07:19.560643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:07:19.560643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nreo6kdxKSWQ1duRKLQOZIGPJP9YHw4iwVZ/Tsc5pomDqGSMEW+5IFDiaFyjXPTXWT3IJWnFVpJ5WmiiL6p2Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T08:07:19.561053Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.08234","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71a620bb8f425115008c6cfa27d741b89aa48bef049545163d5e60f21d20faf8","sha256:b8730b0b0bd3d9afb98e0c275a07388ad6b7f1187abc45ab97d8cc387b44a03c"],"state_sha256":"f2f39bb86e8c2b5ee68631222d15ef90c597947fc1a2431b27e3b4ce01d69750"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OVwUOtzF3rCBa4AgPbEa5fgLv92b48RhaeBLysAXIvia5hZsks8E8nS4S/IbE2wfM0if7mcCAIeJJn1s+Uj7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:54:56.977537Z","bundle_sha256":"f5067e266f6a426c7174f7053dd87cde298873a4b90f5910f434e832023d0834"}}