{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:PAM3KKXY4MOIPUBP7FRYVCO23A","short_pith_number":"pith:PAM3KKXY","canonical_record":{"source":{"id":"1606.09468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T12:58:17Z","cross_cats_sorted":[],"title_canon_sha256":"8e1ed0874e317137695441b75d1f537b8474c7a870e5a75f1b6631e3db28e631","abstract_canon_sha256":"cd3a675c76de727147af5427bdc976ea52f76f027c18c244fa6debddf0ca3c7a"},"schema_version":"1.0"},"canonical_sha256":"7819b52af8e31c87d02ff9638a89dad80a938700c224f21d38b424f823ef99f0","source":{"kind":"arxiv","id":"1606.09468","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.09468","created_at":"2026-05-18T00:57:12Z"},{"alias_kind":"arxiv_version","alias_value":"1606.09468v1","created_at":"2026-05-18T00:57:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.09468","created_at":"2026-05-18T00:57:12Z"},{"alias_kind":"pith_short_12","alias_value":"PAM3KKXY4MOI","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PAM3KKXY4MOIPUBP","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PAM3KKXY","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:PAM3KKXY4MOIPUBP7FRYVCO23A","target":"record","payload":{"canonical_record":{"source":{"id":"1606.09468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T12:58:17Z","cross_cats_sorted":[],"title_canon_sha256":"8e1ed0874e317137695441b75d1f537b8474c7a870e5a75f1b6631e3db28e631","abstract_canon_sha256":"cd3a675c76de727147af5427bdc976ea52f76f027c18c244fa6debddf0ca3c7a"},"schema_version":"1.0"},"canonical_sha256":"7819b52af8e31c87d02ff9638a89dad80a938700c224f21d38b424f823ef99f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:12.052177Z","signature_b64":"3M9PAjxzcEFE7WFnAjqhoZajRd8FCvlf42JZS6Mb8Xud/vQ2golPoyFGfuFTltWOx1MBjji/56uqrJOVFL89Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7819b52af8e31c87d02ff9638a89dad80a938700c224f21d38b424f823ef99f0","last_reissued_at":"2026-05-18T00:57:12.051675Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:12.051675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.09468","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":"2026-05-18T00:57:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AY0eR4bB45qGp3u+4aaXIHje8/+7/+EfLix7+5JgmhIRkaiJtccmzD3JAahDpoiqtuikydbYAT3au5NNjyj0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T16:32:37.284550Z"},"content_sha256":"dff0aa5416168339485d0976abb4c54a3f19d90ee6c181c4981a61e50efe1970","schema_version":"1.0","event_id":"sha256:dff0aa5416168339485d0976abb4c54a3f19d90ee6c181c4981a61e50efe1970"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:PAM3KKXY4MOIPUBP7FRYVCO23A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Young Massive Clusters: Their Population Properties, Formation and Evolution, and Their Relation to the Ancient Globular Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Nate Bastian (LJMU)","submitted_at":"2016-06-30T12:58:17Z","abstract_excerpt":"This review summarises the main properties of Young Massive Clusters (YMCs), including their population properties, particularly focusing on extragalactic cluster samples. We discuss potential biases and caveats that can affect the construction of cluster samples and how incompleteness effects can result in erroneous conclusions regarding the long term survival of clusters. In addition to the luminosity, mass and age distributions of the clusters, we discuss the size distribution and profile evolution of the clusters. We also briefly discuss the stellar populations within YMCs. The final part "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.09468","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:57:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cYB8YQ6V9wuAoxh1o1KNKHMLXPW76XhO9eAwTm+1HK46lvQ0TTBEEvPWGy7SttSuSgWMC9jVj6KW0yBDzI0kAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T16:32:37.285160Z"},"content_sha256":"f3c2065afca97e0570ef5da6414e32ada1b62a73430978cd34d2a7129b72ff6a","schema_version":"1.0","event_id":"sha256:f3c2065afca97e0570ef5da6414e32ada1b62a73430978cd34d2a7129b72ff6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PAM3KKXY4MOIPUBP7FRYVCO23A/bundle.json","state_url":"https://pith.science/pith/PAM3KKXY4MOIPUBP7FRYVCO23A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PAM3KKXY4MOIPUBP7FRYVCO23A/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":"2026-06-27T16:32:37Z","links":{"resolver":"https://pith.science/pith/PAM3KKXY4MOIPUBP7FRYVCO23A","bundle":"https://pith.science/pith/PAM3KKXY4MOIPUBP7FRYVCO23A/bundle.json","state":"https://pith.science/pith/PAM3KKXY4MOIPUBP7FRYVCO23A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PAM3KKXY4MOIPUBP7FRYVCO23A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:PAM3KKXY4MOIPUBP7FRYVCO23A","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":"cd3a675c76de727147af5427bdc976ea52f76f027c18c244fa6debddf0ca3c7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T12:58:17Z","title_canon_sha256":"8e1ed0874e317137695441b75d1f537b8474c7a870e5a75f1b6631e3db28e631"},"schema_version":"1.0","source":{"id":"1606.09468","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.09468","created_at":"2026-05-18T00:57:12Z"},{"alias_kind":"arxiv_version","alias_value":"1606.09468v1","created_at":"2026-05-18T00:57:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.09468","created_at":"2026-05-18T00:57:12Z"},{"alias_kind":"pith_short_12","alias_value":"PAM3KKXY4MOI","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PAM3KKXY4MOIPUBP","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PAM3KKXY","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:f3c2065afca97e0570ef5da6414e32ada1b62a73430978cd34d2a7129b72ff6a","target":"graph","created_at":"2026-05-18T00:57:12Z","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":"This review summarises the main properties of Young Massive Clusters (YMCs), including their population properties, particularly focusing on extragalactic cluster samples. We discuss potential biases and caveats that can affect the construction of cluster samples and how incompleteness effects can result in erroneous conclusions regarding the long term survival of clusters. In addition to the luminosity, mass and age distributions of the clusters, we discuss the size distribution and profile evolution of the clusters. We also briefly discuss the stellar populations within YMCs. The final part ","authors_text":"Nate Bastian (LJMU)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T12:58:17Z","title":"Young Massive Clusters: Their Population Properties, Formation and Evolution, and Their Relation to the Ancient Globular Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.09468","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:dff0aa5416168339485d0976abb4c54a3f19d90ee6c181c4981a61e50efe1970","target":"record","created_at":"2026-05-18T00:57:12Z","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":"cd3a675c76de727147af5427bdc976ea52f76f027c18c244fa6debddf0ca3c7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T12:58:17Z","title_canon_sha256":"8e1ed0874e317137695441b75d1f537b8474c7a870e5a75f1b6631e3db28e631"},"schema_version":"1.0","source":{"id":"1606.09468","kind":"arxiv","version":1}},"canonical_sha256":"7819b52af8e31c87d02ff9638a89dad80a938700c224f21d38b424f823ef99f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7819b52af8e31c87d02ff9638a89dad80a938700c224f21d38b424f823ef99f0","first_computed_at":"2026-05-18T00:57:12.051675Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:12.051675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3M9PAjxzcEFE7WFnAjqhoZajRd8FCvlf42JZS6Mb8Xud/vQ2golPoyFGfuFTltWOx1MBjji/56uqrJOVFL89Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:12.052177Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.09468","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dff0aa5416168339485d0976abb4c54a3f19d90ee6c181c4981a61e50efe1970","sha256:f3c2065afca97e0570ef5da6414e32ada1b62a73430978cd34d2a7129b72ff6a"],"state_sha256":"52088e9c255bc8a8ed2099196919849190ed30dd04c7012b6721262dcb095a62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CKgM6kMI7dXpQRJYIPbbhwpiE983GYaGVV1/2x//caIgzJ8TT+7Ry0+AQTrWbqnLIFN1oHYqwqZHO/VMx/diDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T16:32:37.288063Z","bundle_sha256":"59baa1990be4d5f081fd33b997dce5236b776209eaa8e32a8a428bf1e0cbdea9"}}