{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:T4BHAZSQLF4L5D2CR3GZNT7G4K","short_pith_number":"pith:T4BHAZSQ","schema_version":"1.0","canonical_sha256":"9f027066505978be8f428ecd96cfe6e28ecce3ba26ab5d598f34b2f5648cb580","source":{"kind":"arxiv","id":"astro-ph/9804072","version":1},"attestation_state":"computed","paper":{"title":"Globular clusters in the blue compact galaxy ESO~338-IG04 (Tol~1924-416), as tracers of the star formation history. Results from HST/WFPC2 observations","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"G\\\"oran \\\"Ostlin, Jari R\\\"onnback, Nils Bergvall","submitted_at":"1998-04-07T12:56:05Z","abstract_excerpt":"Multicolour images of the starbursting metal poor blue compact galaxy ESO338-IG04 have been obtained with WFPC2/HST. In the images we find numerous point-like sources concentrated towards the main body of the galaxy, which we identify as globular cluster candidates. We show that these objects are physically associated with the galaxy and that they are spatially extended. Given their high intrinsic luminosities, these objects cannot be individual stars. Using photometric evolution models we show that the objects constitute a rich population of massive star clusters with ages ranging from a few "},"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/9804072","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-07T12:56:05Z","cross_cats_sorted":[],"title_canon_sha256":"4afc625b71a2734b3d2b0b1be51ce3e0e8056c2d429febc23b4ba8c3e4105395","abstract_canon_sha256":"128ad6317a55a6abcead2b2a3495f085273c1c7132f698baf62eaea1670a3439"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:15:45.338391Z","signature_b64":"SpgpAEeKNO/aSNhY1/W1rYJP0mpHS39sZtkmKvK96QvFGjFjdjZWf+eMgTFEBtr4p2RtDHfVc1SRuhzUjdN7AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f027066505978be8f428ecd96cfe6e28ecce3ba26ab5d598f34b2f5648cb580","last_reissued_at":"2026-07-04T14:15:45.337928Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:15:45.337928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Globular clusters in the blue compact galaxy ESO~338-IG04 (Tol~1924-416), as tracers of the star formation history. Results from HST/WFPC2 observations","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"G\\\"oran \\\"Ostlin, Jari R\\\"onnback, Nils Bergvall","submitted_at":"1998-04-07T12:56:05Z","abstract_excerpt":"Multicolour images of the starbursting metal poor blue compact galaxy ESO338-IG04 have been obtained with WFPC2/HST. In the images we find numerous point-like sources concentrated towards the main body of the galaxy, which we identify as globular cluster candidates. We show that these objects are physically associated with the galaxy and that they are spatially extended. Given their high intrinsic luminosities, these objects cannot be individual stars. Using photometric evolution models we show that the objects constitute a rich population of massive star clusters with ages ranging from a few "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9804072","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/astro-ph/9804072/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9804072","created_at":"2026-07-04T14:15:45.337980+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9804072v1","created_at":"2026-07-04T14:15:45.337980+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9804072","created_at":"2026-07-04T14:15:45.337980+00:00"},{"alias_kind":"pith_short_12","alias_value":"T4BHAZSQLF4L","created_at":"2026-07-04T14:15:45.337980+00:00"},{"alias_kind":"pith_short_16","alias_value":"T4BHAZSQLF4L5D2C","created_at":"2026-07-04T14:15:45.337980+00:00"},{"alias_kind":"pith_short_8","alias_value":"T4BHAZSQ","created_at":"2026-07-04T14:15:45.337980+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/T4BHAZSQLF4L5D2CR3GZNT7G4K","json":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K.json","graph_json":"https://pith.science/api/pith-number/T4BHAZSQLF4L5D2CR3GZNT7G4K/graph.json","events_json":"https://pith.science/api/pith-number/T4BHAZSQLF4L5D2CR3GZNT7G4K/events.json","paper":"https://pith.science/paper/T4BHAZSQ"},"agent_actions":{"view_html":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K","download_json":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K.json","view_paper":"https://pith.science/paper/T4BHAZSQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9804072&json=true","fetch_graph":"https://pith.science/api/pith-number/T4BHAZSQLF4L5D2CR3GZNT7G4K/graph.json","fetch_events":"https://pith.science/api/pith-number/T4BHAZSQLF4L5D2CR3GZNT7G4K/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K/action/timestamp_anchor","attest_storage":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K/action/storage_attestation","attest_author":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K/action/author_attestation","sign_citation":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K/action/citation_signature","submit_replication":"https://pith.science/pith/T4BHAZSQLF4L5D2CR3GZNT7G4K/action/replication_record"}},"created_at":"2026-07-04T14:15:45.337980+00:00","updated_at":"2026-07-04T14:15:45.337980+00:00"}