{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:ZXWYKEAMTIXE6N2ZU6LSHVVSQ7","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":"b2ada8d0be43c150034a385f1c5b3669e83d20506efe06bdf3218032e14dfc62","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-20T20:00:01Z","title_canon_sha256":"9a3ba620a93a62d0f61db4505007a75766109f429276d5775bc25dfb0eea4455"},"schema_version":"1.0","source":{"id":"astro-ph/0308356","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0308356","created_at":"2026-07-04T16:51:30Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0308356v1","created_at":"2026-07-04T16:51:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0308356","created_at":"2026-07-04T16:51:30Z"},{"alias_kind":"pith_short_12","alias_value":"ZXWYKEAMTIXE","created_at":"2026-07-04T16:51:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZXWYKEAMTIXE6N2Z","created_at":"2026-07-04T16:51:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZXWYKEAM","created_at":"2026-07-04T16:51:30Z"}],"graph_snapshots":[{"event_id":"sha256:6ef2393f3ca602d4dad3261c0872b7ecbecd0f61298e141cb888c22673052f1f","target":"graph","created_at":"2026-07-04T16:51:30Z","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/astro-ph/0308356/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Over the past years observations of young and populous star clusters have shown that the stellar IMF appears to be an invariant featureless Salpeter power-law with an exponent alpha=2.35 for stars more massive than a few Msun. A consensus has also emerged that most, if not all, stars form in stellar groups and star clusters, and that the mass function of young star clusters in the solar-neighborhood and in interacting galaxies can be described, over the mass range of a few 10 Msun to 10^7 Msun, as a power-law with an exponent near beta=2. These two results imply that galactic-field IMFs for ea","authors_text":"Carsten Weidner (Kiel), Pavel Kroupa","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-08-20T20:00:01Z","title":"Galactic-Field IMFs of Massive Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0308356","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:e962be26c620aabf9ad5fb8b22bfbca091cde0f691218b9ef3c27e23615f5a95","target":"record","created_at":"2026-07-04T16:51:30Z","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":"b2ada8d0be43c150034a385f1c5b3669e83d20506efe06bdf3218032e14dfc62","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-20T20:00:01Z","title_canon_sha256":"9a3ba620a93a62d0f61db4505007a75766109f429276d5775bc25dfb0eea4455"},"schema_version":"1.0","source":{"id":"astro-ph/0308356","kind":"arxiv","version":1}},"canonical_sha256":"cded85100c9a2e4f3759a79723d6b287cceee38be7feb3fc006dbce246c6a835","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cded85100c9a2e4f3759a79723d6b287cceee38be7feb3fc006dbce246c6a835","first_computed_at":"2026-07-04T16:51:30.068297Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:51:30.068297Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oMBN46k4gb6oZoYQEyfCOAdWSzzZaCiq+xh7Nz354qGfJTP9+HCPDQhAwAQIn0OyXIonHF5L4QHVT0FQV/89Dg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:51:30.068707Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0308356","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e962be26c620aabf9ad5fb8b22bfbca091cde0f691218b9ef3c27e23615f5a95","sha256:6ef2393f3ca602d4dad3261c0872b7ecbecd0f61298e141cb888c22673052f1f"],"state_sha256":"71649559976e58de742cb08542fec1c62e08ee958c40492ab4ae977c704ef910"}