{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DSOCSOIQEBGWKM6BECF7TGHW72","short_pith_number":"pith:DSOCSOIQ","canonical_record":{"source":{"id":"2501.09791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-16T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"bf3bb51741a0a19a9a4225cf134cd5c3b248a1ba94455f390bdd86cfd39676d9","abstract_canon_sha256":"e4f4f87dab405ba4d1d2ce493361485e5d181a0da4e8a32721b0d960f9035781"},"schema_version":"1.0"},"canonical_sha256":"1c9c293910204d6533c1208bf998f6fe86f79dfd287051666cff5bff34f7304f","source":{"kind":"arxiv","id":"2501.09791","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09791","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09791v1","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09791","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"pith_short_12","alias_value":"DSOCSOIQEBGW","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"pith_short_16","alias_value":"DSOCSOIQEBGWKM6B","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"pith_short_8","alias_value":"DSOCSOIQ","created_at":"2026-07-05T10:02:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DSOCSOIQEBGWKM6BECF7TGHW72","target":"record","payload":{"canonical_record":{"source":{"id":"2501.09791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-16T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"bf3bb51741a0a19a9a4225cf134cd5c3b248a1ba94455f390bdd86cfd39676d9","abstract_canon_sha256":"e4f4f87dab405ba4d1d2ce493361485e5d181a0da4e8a32721b0d960f9035781"},"schema_version":"1.0"},"canonical_sha256":"1c9c293910204d6533c1208bf998f6fe86f79dfd287051666cff5bff34f7304f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:02:11.184195Z","signature_b64":"29moz8Z/0K7uD04HxUQ57HmM6GwRwJNUcW2K2NmUZuGRbcfFXz7I8w8kzDTNJOMcPzkEPGwnCBpOAYJYX8W8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c9c293910204d6533c1208bf998f6fe86f79dfd287051666cff5bff34f7304f","last_reissued_at":"2026-07-05T10:02:11.183790Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:02:11.183790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.09791","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":"2026-07-05T10:02:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lYqmbTMMB8BecTm8CzsccK22tfhlnpKoudUIDaTAQpKl0U/ulJFpeKhn496To/8OYVsrLMv9UPggrWJcW+xfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T02:15:20.009680Z"},"content_sha256":"f2d03b28b9010241d86eba5a1e86db825818429a922cf3a67a931255d4dd478b","schema_version":"1.0","event_id":"sha256:f2d03b28b9010241d86eba5a1e86db825818429a922cf3a67a931255d4dd478b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DSOCSOIQEBGWKM6BECF7TGHW72","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Star-Forming Nuclear Clusters in Dwarf Galaxies Mimicking AGN Signatures in the Mid-Infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amy E. Reines, Bayli Hayes, Megan R. Sturm","submitted_at":"2025-01-16T19:00:02Z","abstract_excerpt":"Effectively finding and identifying active galactic nuclei (AGNs) in dwarf galaxies is an important step in studying black hole formation and evolution. In this work, we examine four mid-IR-selected AGN candidates in dwarf galaxies with stellar masses between $M_\\star \\sim 10^8 - 10^9 M_\\odot$ , and find that the galaxies are host to nuclear star clusters (NSCs) that are notably rare in how young and massive they are. We perform photometric measurements on the central star clusters in our target galaxies galaxies using Hubble Space Telescope optical and near-IR imaging and compare their observ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09791","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/2501.09791/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":"2026-07-05T10:02:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d5gfIi77rUE72bikbj4qsQKHjvv3cRZ11V47//L/AaO06OL0n0piKpSqIIVzTcpZx0Bn+qdjLiAdv/UOfk0FCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T02:15:20.010166Z"},"content_sha256":"b0ef4be1846378d3ccf617e77bd8f48f121e2b1f66f6fbc2f01c8fa35a697d7c","schema_version":"1.0","event_id":"sha256:b0ef4be1846378d3ccf617e77bd8f48f121e2b1f66f6fbc2f01c8fa35a697d7c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DSOCSOIQEBGWKM6BECF7TGHW72/bundle.json","state_url":"https://pith.science/pith/DSOCSOIQEBGWKM6BECF7TGHW72/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DSOCSOIQEBGWKM6BECF7TGHW72/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":"2026-08-08T02:15:20Z","links":{"resolver":"https://pith.science/pith/DSOCSOIQEBGWKM6BECF7TGHW72","bundle":"https://pith.science/pith/DSOCSOIQEBGWKM6BECF7TGHW72/bundle.json","state":"https://pith.science/pith/DSOCSOIQEBGWKM6BECF7TGHW72/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DSOCSOIQEBGWKM6BECF7TGHW72/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DSOCSOIQEBGWKM6BECF7TGHW72","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":"e4f4f87dab405ba4d1d2ce493361485e5d181a0da4e8a32721b0d960f9035781","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-16T19:00:02Z","title_canon_sha256":"bf3bb51741a0a19a9a4225cf134cd5c3b248a1ba94455f390bdd86cfd39676d9"},"schema_version":"1.0","source":{"id":"2501.09791","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09791","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09791v1","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09791","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"pith_short_12","alias_value":"DSOCSOIQEBGW","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"pith_short_16","alias_value":"DSOCSOIQEBGWKM6B","created_at":"2026-07-05T10:02:11Z"},{"alias_kind":"pith_short_8","alias_value":"DSOCSOIQ","created_at":"2026-07-05T10:02:11Z"}],"graph_snapshots":[{"event_id":"sha256:b0ef4be1846378d3ccf617e77bd8f48f121e2b1f66f6fbc2f01c8fa35a697d7c","target":"graph","created_at":"2026-07-05T10:02:11Z","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/2501.09791/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Effectively finding and identifying active galactic nuclei (AGNs) in dwarf galaxies is an important step in studying black hole formation and evolution. In this work, we examine four mid-IR-selected AGN candidates in dwarf galaxies with stellar masses between $M_\\star \\sim 10^8 - 10^9 M_\\odot$ , and find that the galaxies are host to nuclear star clusters (NSCs) that are notably rare in how young and massive they are. We perform photometric measurements on the central star clusters in our target galaxies galaxies using Hubble Space Telescope optical and near-IR imaging and compare their observ","authors_text":"Amy E. Reines, Bayli Hayes, Megan R. Sturm","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-16T19:00:02Z","title":"Star-Forming Nuclear Clusters in Dwarf Galaxies Mimicking AGN Signatures in the Mid-Infrared"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09791","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:f2d03b28b9010241d86eba5a1e86db825818429a922cf3a67a931255d4dd478b","target":"record","created_at":"2026-07-05T10:02:11Z","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":"e4f4f87dab405ba4d1d2ce493361485e5d181a0da4e8a32721b0d960f9035781","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-16T19:00:02Z","title_canon_sha256":"bf3bb51741a0a19a9a4225cf134cd5c3b248a1ba94455f390bdd86cfd39676d9"},"schema_version":"1.0","source":{"id":"2501.09791","kind":"arxiv","version":1}},"canonical_sha256":"1c9c293910204d6533c1208bf998f6fe86f79dfd287051666cff5bff34f7304f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c9c293910204d6533c1208bf998f6fe86f79dfd287051666cff5bff34f7304f","first_computed_at":"2026-07-05T10:02:11.183790Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:02:11.183790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"29moz8Z/0K7uD04HxUQ57HmM6GwRwJNUcW2K2NmUZuGRbcfFXz7I8w8kzDTNJOMcPzkEPGwnCBpOAYJYX8W8AA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:02:11.184195Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.09791","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2d03b28b9010241d86eba5a1e86db825818429a922cf3a67a931255d4dd478b","sha256:b0ef4be1846378d3ccf617e77bd8f48f121e2b1f66f6fbc2f01c8fa35a697d7c"],"state_sha256":"a985301dad96f01dff5daeff6dc5d47e6564e47539152bc57f084ec3259183cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OQRTXEBq85uOpwJmm+jP4HqLGGfZFXW9PT0QpGT8Hu/8TpUU0E6vP1JymlzNxOxRR/mfO5ypebSCNMXVAjtADQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T02:15:20.034119Z","bundle_sha256":"b8ba42c2bbdff2f2c30b8fb7b286d730cc1abdf65f8b64feb9baef569a7a086d"}}