{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:W63P6QEJQLNZ76UV7BVLCSCCLO","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":"02deb31f4ad64c0259d9275864b881cd4f0d1ce4aae3554273d50cfb55b79f94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-02-23T20:03:47Z","title_canon_sha256":"4efb75dce46fc762465bd9956a9f7e31829cd25c9d80960d01715eca7bea307a"},"schema_version":"1.0","source":{"id":"1002.4401","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.4401","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"arxiv_version","alias_value":"1002.4401v1","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.4401","created_at":"2026-05-18T02:08:57Z"},{"alias_kind":"pith_short_12","alias_value":"W63P6QEJQLNZ","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"W63P6QEJQLNZ76UV","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"W63P6QEJ","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:ed9e93b8d96d71f9ce086c15663226fb5d918767b46151dfcc623151dc353e0f","target":"graph","created_at":"2026-05-18T02:08:57Z","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"},"paper":{"abstract_excerpt":"We undertake a systematic analysis of the early (< 0.5 Myr) evolution of clustering and the stellar initial mass function in turbulent fragmentation simulations. These large scale simulations for the first time offer the opportunity for a statistical analysis of IMF variations and correlations between stellar properties and cluster richness. The typical evolutionary scenario involves star formation in small-n clusters which then progressively merge; the first stars to form are seeds of massive stars and achieve a headstart in mass acquisition. These massive seeds end up in the cores of cluster","authors_text":"2), Astronomy, Bonn (3) School of Physics, Cambridge (2) Argelander-Institut, C.J. Clarke (1), I.A. Bonnell (3), P. Kroupa (2) ( (1) Institute of Astronomy, St. Andrews), Th. Maschberger (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-02-23T20:03:47Z","title":"Properties of hierarchically forming star clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.4401","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:eb85522d46aa60ea265b3bd7907a2d229dac969bd0483c732c379e726007b9ef","target":"record","created_at":"2026-05-18T02:08:57Z","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":"02deb31f4ad64c0259d9275864b881cd4f0d1ce4aae3554273d50cfb55b79f94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-02-23T20:03:47Z","title_canon_sha256":"4efb75dce46fc762465bd9956a9f7e31829cd25c9d80960d01715eca7bea307a"},"schema_version":"1.0","source":{"id":"1002.4401","kind":"arxiv","version":1}},"canonical_sha256":"b7b6ff408982db9ffa95f86ab148425b88e499af0934ae253af0f811408ed6c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7b6ff408982db9ffa95f86ab148425b88e499af0934ae253af0f811408ed6c7","first_computed_at":"2026-05-18T02:08:57.661676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:57.661676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KLaOh/aT64+XxfbSNBUnju4wLMdQSHgaoPcA97zo3cxtvshydY59kcesWOcufOHhf9too+nCK7sEga3Fq+rfAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:57.662350Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.4401","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb85522d46aa60ea265b3bd7907a2d229dac969bd0483c732c379e726007b9ef","sha256:ed9e93b8d96d71f9ce086c15663226fb5d918767b46151dfcc623151dc353e0f"],"state_sha256":"00e7f1e676746a04c99fd3a65eaace582c9b8b6beb4e3b0818ac7c4ec0e2286e"}