{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:GP6P6KIT3WGW2JKFHAB2XO2JMZ","short_pith_number":"pith:GP6P6KIT","schema_version":"1.0","canonical_sha256":"33fcff2913dd8d6d25453803abbb496660bfcc7c00b011a6ea1e52623e528a34","source":{"kind":"arxiv","id":"astro-ph/0509721","version":1},"attestation_state":"computed","paper":{"title":"The initial mass distribution of the M82 star cluster system","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Cambridge, G. Parmentier (Institute of Astronomy, H.J.G.L.M. Lamers (Utrecht University, Netherlands), R. de Grijs (University of Sheffield, UK)","submitted_at":"2005-09-23T16:01:00Z","abstract_excerpt":"We explore whether we can constrain the shape of the INITIAL mass distribution of the star cluster population in M82's ~1 Gyr-old post-starburst region \"B\", in which the present-day cluster mass function (CMF) is closely approximated by a log-normal distribution. We conclude that the M82 B initial CMF must have had a mean mass very close to that of the \"equilibrium\" CMF of Vesperini (1998). Consequently, if the presently observed M82 B CMF has remained approximately constant since its formation, as predicted, then the INITIAL CMF must have been characterized by a mean mass that was only slight"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/0509721","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-23T16:01:00Z","cross_cats_sorted":[],"title_canon_sha256":"bdd452332e5caac07f03652235b2c27816621f31fdd201f56f48f4fad5980ebe","abstract_canon_sha256":"ad93b22658e0d01737dca88a1e609288b294d46cac2b7eb891b8975e389ed2f5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:28.788336Z","signature_b64":"5JNUUQeaansvMmgnFtAlYzHnP2aadJK1ag2Alno3iG1rWk5V8Z5ykwg8F6Jsrb/5bVPKHzBhrbvAAV4lmD0iAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"33fcff2913dd8d6d25453803abbb496660bfcc7c00b011a6ea1e52623e528a34","last_reissued_at":"2026-05-18T01:07:28.787749Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:28.787749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The initial mass distribution of the M82 star cluster system","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Cambridge, G. Parmentier (Institute of Astronomy, H.J.G.L.M. Lamers (Utrecht University, Netherlands), R. de Grijs (University of Sheffield, UK)","submitted_at":"2005-09-23T16:01:00Z","abstract_excerpt":"We explore whether we can constrain the shape of the INITIAL mass distribution of the star cluster population in M82's ~1 Gyr-old post-starburst region \"B\", in which the present-day cluster mass function (CMF) is closely approximated by a log-normal distribution. We conclude that the M82 B initial CMF must have had a mean mass very close to that of the \"equilibrium\" CMF of Vesperini (1998). Consequently, if the presently observed M82 B CMF has remained approximately constant since its formation, as predicted, then the INITIAL CMF must have been characterized by a mean mass that was only slight"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509721","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509721","created_at":"2026-05-18T01:07:28.787842+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509721v1","created_at":"2026-05-18T01:07:28.787842+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509721","created_at":"2026-05-18T01:07:28.787842+00:00"},{"alias_kind":"pith_short_12","alias_value":"GP6P6KIT3WGW","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_16","alias_value":"GP6P6KIT3WGW2JKF","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_8","alias_value":"GP6P6KIT","created_at":"2026-05-18T12:25:53.335082+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ","json":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ.json","graph_json":"https://pith.science/api/pith-number/GP6P6KIT3WGW2JKFHAB2XO2JMZ/graph.json","events_json":"https://pith.science/api/pith-number/GP6P6KIT3WGW2JKFHAB2XO2JMZ/events.json","paper":"https://pith.science/paper/GP6P6KIT"},"agent_actions":{"view_html":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ","download_json":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ.json","view_paper":"https://pith.science/paper/GP6P6KIT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0509721&json=true","fetch_graph":"https://pith.science/api/pith-number/GP6P6KIT3WGW2JKFHAB2XO2JMZ/graph.json","fetch_events":"https://pith.science/api/pith-number/GP6P6KIT3WGW2JKFHAB2XO2JMZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ/action/storage_attestation","attest_author":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ/action/author_attestation","sign_citation":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ/action/citation_signature","submit_replication":"https://pith.science/pith/GP6P6KIT3WGW2JKFHAB2XO2JMZ/action/replication_record"}},"created_at":"2026-05-18T01:07:28.787842+00:00","updated_at":"2026-05-18T01:07:28.787842+00:00"}