{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ALVSHSSYKHKUOSVGC2NDN27VLA","short_pith_number":"pith:ALVSHSSY","canonical_record":{"source":{"id":"2110.03638","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-10-07T17:28:46Z","cross_cats_sorted":[],"title_canon_sha256":"a20bb2336655664a342c0699a20b7b382e8bb96685417846528100c8fd9819d2","abstract_canon_sha256":"977e041bfa126fc4676b568961433455c3e922aaf4288e9d5b33149f4fde8823"},"schema_version":"1.0"},"canonical_sha256":"02eb23ca5851d5474aa6169a36ebf558243dbcff069bc6e9d8ba6187eb057708","source":{"kind":"arxiv","id":"2110.03638","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.03638","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"arxiv_version","alias_value":"2110.03638v1","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.03638","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"pith_short_12","alias_value":"ALVSHSSYKHKU","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"pith_short_16","alias_value":"ALVSHSSYKHKUOSVG","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"pith_short_8","alias_value":"ALVSHSSY","created_at":"2026-07-05T03:45:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ALVSHSSYKHKUOSVGC2NDN27VLA","target":"record","payload":{"canonical_record":{"source":{"id":"2110.03638","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-10-07T17:28:46Z","cross_cats_sorted":[],"title_canon_sha256":"a20bb2336655664a342c0699a20b7b382e8bb96685417846528100c8fd9819d2","abstract_canon_sha256":"977e041bfa126fc4676b568961433455c3e922aaf4288e9d5b33149f4fde8823"},"schema_version":"1.0"},"canonical_sha256":"02eb23ca5851d5474aa6169a36ebf558243dbcff069bc6e9d8ba6187eb057708","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:45:48.825439Z","signature_b64":"d6xUa+gBDVdbEQZASyHvps9QRuhopdTxEKN9k4znZ4n+NVoVGahkQA2C+Qqm9YZKJe5XvxRFZb+osDZSVCEWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02eb23ca5851d5474aa6169a36ebf558243dbcff069bc6e9d8ba6187eb057708","last_reissued_at":"2026-07-05T03:45:48.824953Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:45:48.824953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.03638","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":"2026-07-05T03:45:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qv6e0RkZqjp5gfYW42R32gJGCi+ncvfG4bIpWf9Gi8yo6whC6YyuWHkiiEUqGjBLqigBIk6dd9hn9AgY8t8vCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:18:34.032053Z"},"content_sha256":"5862822764c7f67a2b90fd3fcea51d29f61aedcc808471607bda00cb5f88180a","schema_version":"1.0","event_id":"sha256:5862822764c7f67a2b90fd3fcea51d29f61aedcc808471607bda00cb5f88180a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ALVSHSSYKHKUOSVGC2NDN27VLA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Massive Star Cluster Formation and Destruction in Luminous Infrared Galaxies in GOALS II: An ACS/WFC3 Survey of Nearby LIRGs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron Evans, Daniela Calzetti, Eric Murphy, George Privon, Hanae Inami, Jason Surace, Jeff Rich, Joseph Mazzarella, Justin Howell, Kirsten Larson, Lee Armus, Loreto Barcos-Munoz, Sean Linden, Tanio Diaz-Santos, Vassilis Charmandaris, Vivian U, Yiqing Song","submitted_at":"2021-10-07T17:28:46Z","abstract_excerpt":"We present the results of a Hubble Space Telescope WFC3 near-UV and ACS/WFC optical study into the star cluster populations of 10 luminous and ultra-luminous infrared galaxies (U/LIRGs) in the Great Observatories All-Sky LIRG Survey (GOALS). Through integrated broadband photometry we have derived ages, masses, and extinctions for a total of 1027 star clusters in galaxies with $d_{L} <$ 110 Mpc in order to avoid issues related to cluster blending. The measured cluster age distribution slope of $dN/d\\tau \\propto \\tau^{-0.5 +/- 0.2}$ is steeper than what has been observed in lower-luminosity star"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.03638","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/2110.03638/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":"2026-07-05T03:45:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bcDEMeG0RhJgw6PjeYVsB7pEsdZUMA7qNRDzuHhoI8wHT2+oOJXzCiKHap7z3ll9b+mrK4u5b9CtoGxPOV/MAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:18:34.032446Z"},"content_sha256":"66a9409b56b90f6cf940b03207f1dd5fd004395986eb3385964762490dfef59b","schema_version":"1.0","event_id":"sha256:66a9409b56b90f6cf940b03207f1dd5fd004395986eb3385964762490dfef59b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ALVSHSSYKHKUOSVGC2NDN27VLA/bundle.json","state_url":"https://pith.science/pith/ALVSHSSYKHKUOSVGC2NDN27VLA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ALVSHSSYKHKUOSVGC2NDN27VLA/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":"2026-07-07T14:18:34Z","links":{"resolver":"https://pith.science/pith/ALVSHSSYKHKUOSVGC2NDN27VLA","bundle":"https://pith.science/pith/ALVSHSSYKHKUOSVGC2NDN27VLA/bundle.json","state":"https://pith.science/pith/ALVSHSSYKHKUOSVGC2NDN27VLA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ALVSHSSYKHKUOSVGC2NDN27VLA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ALVSHSSYKHKUOSVGC2NDN27VLA","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":"977e041bfa126fc4676b568961433455c3e922aaf4288e9d5b33149f4fde8823","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-10-07T17:28:46Z","title_canon_sha256":"a20bb2336655664a342c0699a20b7b382e8bb96685417846528100c8fd9819d2"},"schema_version":"1.0","source":{"id":"2110.03638","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.03638","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"arxiv_version","alias_value":"2110.03638v1","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.03638","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"pith_short_12","alias_value":"ALVSHSSYKHKU","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"pith_short_16","alias_value":"ALVSHSSYKHKUOSVG","created_at":"2026-07-05T03:45:48Z"},{"alias_kind":"pith_short_8","alias_value":"ALVSHSSY","created_at":"2026-07-05T03:45:48Z"}],"graph_snapshots":[{"event_id":"sha256:66a9409b56b90f6cf940b03207f1dd5fd004395986eb3385964762490dfef59b","target":"graph","created_at":"2026-07-05T03:45:48Z","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/2110.03638/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of a Hubble Space Telescope WFC3 near-UV and ACS/WFC optical study into the star cluster populations of 10 luminous and ultra-luminous infrared galaxies (U/LIRGs) in the Great Observatories All-Sky LIRG Survey (GOALS). Through integrated broadband photometry we have derived ages, masses, and extinctions for a total of 1027 star clusters in galaxies with $d_{L} <$ 110 Mpc in order to avoid issues related to cluster blending. The measured cluster age distribution slope of $dN/d\\tau \\propto \\tau^{-0.5 +/- 0.2}$ is steeper than what has been observed in lower-luminosity star","authors_text":"Aaron Evans, Daniela Calzetti, Eric Murphy, George Privon, Hanae Inami, Jason Surace, Jeff Rich, Joseph Mazzarella, Justin Howell, Kirsten Larson, Lee Armus, Loreto Barcos-Munoz, Sean Linden, Tanio Diaz-Santos, Vassilis Charmandaris, Vivian U, Yiqing Song","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-10-07T17:28:46Z","title":"Massive Star Cluster Formation and Destruction in Luminous Infrared Galaxies in GOALS II: An ACS/WFC3 Survey of Nearby LIRGs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.03638","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":"sha256:5862822764c7f67a2b90fd3fcea51d29f61aedcc808471607bda00cb5f88180a","target":"record","created_at":"2026-07-05T03:45:48Z","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":"977e041bfa126fc4676b568961433455c3e922aaf4288e9d5b33149f4fde8823","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-10-07T17:28:46Z","title_canon_sha256":"a20bb2336655664a342c0699a20b7b382e8bb96685417846528100c8fd9819d2"},"schema_version":"1.0","source":{"id":"2110.03638","kind":"arxiv","version":1}},"canonical_sha256":"02eb23ca5851d5474aa6169a36ebf558243dbcff069bc6e9d8ba6187eb057708","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02eb23ca5851d5474aa6169a36ebf558243dbcff069bc6e9d8ba6187eb057708","first_computed_at":"2026-07-05T03:45:48.824953Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:45:48.824953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d6xUa+gBDVdbEQZASyHvps9QRuhopdTxEKN9k4znZ4n+NVoVGahkQA2C+Qqm9YZKJe5XvxRFZb+osDZSVCEWAA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:45:48.825439Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.03638","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5862822764c7f67a2b90fd3fcea51d29f61aedcc808471607bda00cb5f88180a","sha256:66a9409b56b90f6cf940b03207f1dd5fd004395986eb3385964762490dfef59b"],"state_sha256":"b064221de6f4cec5dc5d16c1e49e578e5d0cccddbbbb22d00ed39137824bc30c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nv0POgTZdUTEI9p1Os4aKQcDROoyzuSEyyqHS5oEPOAmRZu/ACaxAU1vRdMw1+iWh+4fdKsG1cl19M9FffYsCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:18:34.034390Z","bundle_sha256":"333f33cedbedb94e1b393eb1bf8d3d41888acc178029f80f82dc312981344a3e"}}