{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:AWI65FPNCT4GDZ4TS2ZDMKLVUP","short_pith_number":"pith:AWI65FPN","canonical_record":{"source":{"id":"astro-ph/0403244","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-10T15:05:51Z","cross_cats_sorted":[],"title_canon_sha256":"964b37efcb949997a72054d58a9634fa485236792e3b3640fd74bb4d3e3a16d0","abstract_canon_sha256":"2b363328df41c68d90e74b4cb829179b15b44e88c4023b0f0372c6283c46142d"},"schema_version":"1.0"},"canonical_sha256":"0591ee95ed14f861e79396b2362975a3de125e15e217894cd145c0d58029a224","source":{"kind":"arxiv","id":"astro-ph/0403244","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0403244","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0403244v1","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0403244","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"pith_short_12","alias_value":"AWI65FPNCT4G","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"pith_short_16","alias_value":"AWI65FPNCT4GDZ4T","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"pith_short_8","alias_value":"AWI65FPN","created_at":"2026-07-04T14:13:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:AWI65FPNCT4GDZ4TS2ZDMKLVUP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0403244","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-10T15:05:51Z","cross_cats_sorted":[],"title_canon_sha256":"964b37efcb949997a72054d58a9634fa485236792e3b3640fd74bb4d3e3a16d0","abstract_canon_sha256":"2b363328df41c68d90e74b4cb829179b15b44e88c4023b0f0372c6283c46142d"},"schema_version":"1.0"},"canonical_sha256":"0591ee95ed14f861e79396b2362975a3de125e15e217894cd145c0d58029a224","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:13:22.867290Z","signature_b64":"tTHNl0rz5kGRjlfUxzkTMFFlyISIPJ6ShkOtrk9HhI4oVMEFewwtbSNwDlD5HTs4mHf1rkJkMe9gneFTnTciDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0591ee95ed14f861e79396b2362975a3de125e15e217894cd145c0d58029a224","last_reissued_at":"2026-07-04T14:13:22.866878Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:13:22.866878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0403244","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":"2026-07-04T14:13:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4g5uG1jLGhFfcGLXEeAQ1PM+YQGK4uW+ywkgLVGLJOT8cbcvVyOkMgpvy3Syy3LgHVbKQSRXf9Jq+GIt+lQmBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T00:59:16.598383Z"},"content_sha256":"6c3b411c27311f89d8cf0f5ad918051f4f7f019d90fa80bc34a265f2c7cc9c95","schema_version":"1.0","event_id":"sha256:6c3b411c27311f89d8cf0f5ad918051f4f7f019d90fa80bc34a265f2c7cc9c95"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:AWI65FPNCT4GDZ4TS2ZDMKLVUP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Young Massive Star Clusters in Normal Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Garching), S. S. Larsen (ESO / ST-ECF","submitted_at":"2004-03-10T15:05:51Z","abstract_excerpt":"Young star clusters with masses similar to those of classical old globular clusters are observed not only in starbursts, mergers or otherwise disturbed galaxies, but also in normal spiral galaxies. Some young clusters with masses as high as ~10^6 Msun have been found in the disks of isolated spirals. Dynamical mass estimates are available for a few of these clusters and are consistent with Kroupa-type IMFs. The luminosity (and possibly mass-) functions of young clusters are usually well approximated by power-laws. Thus, massive clusters at the tail of the distribution are naturally rare, but a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0403244","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/0403244/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":"2026-07-04T14:13:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YWq3kze1l7/2i6ukXaCv6QrLPY17koXekm3ORoMWsV6UL08nKHUkQwBmGqbLbBfDT0xq1+BRWe6t0n80Y2vwDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T00:59:16.598968Z"},"content_sha256":"2958440337aee65271122cb3251ee96c49d41bac5663bb11aafb765d40de6852","schema_version":"1.0","event_id":"sha256:2958440337aee65271122cb3251ee96c49d41bac5663bb11aafb765d40de6852"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AWI65FPNCT4GDZ4TS2ZDMKLVUP/bundle.json","state_url":"https://pith.science/pith/AWI65FPNCT4GDZ4TS2ZDMKLVUP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AWI65FPNCT4GDZ4TS2ZDMKLVUP/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":"2026-08-06T00:59:16Z","links":{"resolver":"https://pith.science/pith/AWI65FPNCT4GDZ4TS2ZDMKLVUP","bundle":"https://pith.science/pith/AWI65FPNCT4GDZ4TS2ZDMKLVUP/bundle.json","state":"https://pith.science/pith/AWI65FPNCT4GDZ4TS2ZDMKLVUP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AWI65FPNCT4GDZ4TS2ZDMKLVUP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:AWI65FPNCT4GDZ4TS2ZDMKLVUP","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":"2b363328df41c68d90e74b4cb829179b15b44e88c4023b0f0372c6283c46142d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-10T15:05:51Z","title_canon_sha256":"964b37efcb949997a72054d58a9634fa485236792e3b3640fd74bb4d3e3a16d0"},"schema_version":"1.0","source":{"id":"astro-ph/0403244","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0403244","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0403244v1","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0403244","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"pith_short_12","alias_value":"AWI65FPNCT4G","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"pith_short_16","alias_value":"AWI65FPNCT4GDZ4T","created_at":"2026-07-04T14:13:22Z"},{"alias_kind":"pith_short_8","alias_value":"AWI65FPN","created_at":"2026-07-04T14:13:22Z"}],"graph_snapshots":[{"event_id":"sha256:2958440337aee65271122cb3251ee96c49d41bac5663bb11aafb765d40de6852","target":"graph","created_at":"2026-07-04T14:13:22Z","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/0403244/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Young star clusters with masses similar to those of classical old globular clusters are observed not only in starbursts, mergers or otherwise disturbed galaxies, but also in normal spiral galaxies. Some young clusters with masses as high as ~10^6 Msun have been found in the disks of isolated spirals. Dynamical mass estimates are available for a few of these clusters and are consistent with Kroupa-type IMFs. The luminosity (and possibly mass-) functions of young clusters are usually well approximated by power-laws. Thus, massive clusters at the tail of the distribution are naturally rare, but a","authors_text":"Garching), S. S. Larsen (ESO / ST-ECF","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-03-10T15:05:51Z","title":"Young Massive Star Clusters in Normal Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0403244","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":"sha256:6c3b411c27311f89d8cf0f5ad918051f4f7f019d90fa80bc34a265f2c7cc9c95","target":"record","created_at":"2026-07-04T14:13:22Z","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":"2b363328df41c68d90e74b4cb829179b15b44e88c4023b0f0372c6283c46142d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-10T15:05:51Z","title_canon_sha256":"964b37efcb949997a72054d58a9634fa485236792e3b3640fd74bb4d3e3a16d0"},"schema_version":"1.0","source":{"id":"astro-ph/0403244","kind":"arxiv","version":1}},"canonical_sha256":"0591ee95ed14f861e79396b2362975a3de125e15e217894cd145c0d58029a224","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0591ee95ed14f861e79396b2362975a3de125e15e217894cd145c0d58029a224","first_computed_at":"2026-07-04T14:13:22.866878Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:13:22.866878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tTHNl0rz5kGRjlfUxzkTMFFlyISIPJ6ShkOtrk9HhI4oVMEFewwtbSNwDlD5HTs4mHf1rkJkMe9gneFTnTciDA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:13:22.867290Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0403244","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c3b411c27311f89d8cf0f5ad918051f4f7f019d90fa80bc34a265f2c7cc9c95","sha256:2958440337aee65271122cb3251ee96c49d41bac5663bb11aafb765d40de6852"],"state_sha256":"b96a1f583235b0501ea58b519fd11a9ca44b16f1bf435fcfb435c37012fecb44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DovidTv/sGhQ71DltXKgkx+NCfq3GnphM2N22C8Gjye/mzRVegZ00nQDvwb++TRtO5pDRDInE48vN06HpmYfBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T00:59:16.638846Z","bundle_sha256":"04765e84f5169b028772714c2145c15c55b1568e507ecfb6ede3cd71f9f836ff"}}