{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:2MA2R5XUGO5OYASMXWPLITH67N","short_pith_number":"pith:2MA2R5XU","canonical_record":{"source":{"id":"1012.2161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-10T02:39:50Z","cross_cats_sorted":[],"title_canon_sha256":"82d69274b8dc6ecf22b8791a4ce75bcdb4cc1a44c46e2ea72cd063f8e417df27","abstract_canon_sha256":"92e25130f8575d1fbb916ee7c958d95d5590d73ddf43c483fa6697f03f574fbd"},"schema_version":"1.0"},"canonical_sha256":"d301a8f6f433baec024cbd9eb44cfefb7841ba04af0e5af308bf1426ce9d1297","source":{"kind":"arxiv","id":"1012.2161","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2161","created_at":"2026-05-18T04:33:38Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2161v1","created_at":"2026-05-18T04:33:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2161","created_at":"2026-05-18T04:33:38Z"},{"alias_kind":"pith_short_12","alias_value":"2MA2R5XUGO5O","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2MA2R5XUGO5OYASM","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2MA2R5XU","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:2MA2R5XUGO5OYASMXWPLITH67N","target":"record","payload":{"canonical_record":{"source":{"id":"1012.2161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-10T02:39:50Z","cross_cats_sorted":[],"title_canon_sha256":"82d69274b8dc6ecf22b8791a4ce75bcdb4cc1a44c46e2ea72cd063f8e417df27","abstract_canon_sha256":"92e25130f8575d1fbb916ee7c958d95d5590d73ddf43c483fa6697f03f574fbd"},"schema_version":"1.0"},"canonical_sha256":"d301a8f6f433baec024cbd9eb44cfefb7841ba04af0e5af308bf1426ce9d1297","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:38.418291Z","signature_b64":"OiuRfR8cfiH+ZPvZWrf+ydJmPvm9mzSitDMur8+vUokskYMdDNNF8dEZ92z0WMK8+eYaMvkMJHzQzJA5CJiTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d301a8f6f433baec024cbd9eb44cfefb7841ba04af0e5af308bf1426ce9d1297","last_reissued_at":"2026-05-18T04:33:38.417652Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:38.417652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.2161","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":"2026-05-18T04:33:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DIUgtPylH5z6Qm8pytXBkYpmye9q+WKA9lHnfasTU0vR8FfKFq8RoAH1AlQYmkxcfbFhmBTEoD9Dknh26Gc6DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:07:18.774419Z"},"content_sha256":"59d81994518b52bb7a99214e577582abe35210e684a69b9de96808678b1ca8d5","schema_version":"1.0","event_id":"sha256:59d81994518b52bb7a99214e577582abe35210e684a69b9de96808678b1ca8d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:2MA2R5XUGO5OYASMXWPLITH67N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterizing Ultraviolet Excesses in the Outskirts of a Local Early-Type Sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"David Schiminovich, Jennifer Donovan Meyer, J.H. van Gorkom","submitted_at":"2010-12-10T02:39:50Z","abstract_excerpt":"We present an analysis of ultraviolet (UV) emission in the outer regions of a local, volume-limited sample of 56 early-type galaxies, where H{\\alpha} emission from massive star formation is typically absent. We find excess faint NUV emission in the environments of our early-type galaxies compared to blank sky measured in the same tiles, indicating that the excesses are not due to background contamination. We do not observe corresponding faint FUV excesses. Faint NUV excesses increase with galaxy luminosity and are not correlated with the presence or absence of HI in the environments of these g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2161","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":"2026-05-18T04:33:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H1KaV/mmNgZa24kSOq2DlKqdrzOlJjiGZsJJC/mLp3SpaY1eMIzycWgIFU3h6v5/6C+Wc4+6+jtRWkpuZ/qQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:07:18.775138Z"},"content_sha256":"9661d361e81004e00f847da5113de3401410799d233c219563897deb6eaf91b5","schema_version":"1.0","event_id":"sha256:9661d361e81004e00f847da5113de3401410799d233c219563897deb6eaf91b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2MA2R5XUGO5OYASMXWPLITH67N/bundle.json","state_url":"https://pith.science/pith/2MA2R5XUGO5OYASMXWPLITH67N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2MA2R5XUGO5OYASMXWPLITH67N/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":"2026-05-25T17:07:18Z","links":{"resolver":"https://pith.science/pith/2MA2R5XUGO5OYASMXWPLITH67N","bundle":"https://pith.science/pith/2MA2R5XUGO5OYASMXWPLITH67N/bundle.json","state":"https://pith.science/pith/2MA2R5XUGO5OYASMXWPLITH67N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2MA2R5XUGO5OYASMXWPLITH67N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:2MA2R5XUGO5OYASMXWPLITH67N","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":"92e25130f8575d1fbb916ee7c958d95d5590d73ddf43c483fa6697f03f574fbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-10T02:39:50Z","title_canon_sha256":"82d69274b8dc6ecf22b8791a4ce75bcdb4cc1a44c46e2ea72cd063f8e417df27"},"schema_version":"1.0","source":{"id":"1012.2161","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2161","created_at":"2026-05-18T04:33:38Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2161v1","created_at":"2026-05-18T04:33:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2161","created_at":"2026-05-18T04:33:38Z"},{"alias_kind":"pith_short_12","alias_value":"2MA2R5XUGO5O","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2MA2R5XUGO5OYASM","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2MA2R5XU","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:9661d361e81004e00f847da5113de3401410799d233c219563897deb6eaf91b5","target":"graph","created_at":"2026-05-18T04:33:38Z","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":"We present an analysis of ultraviolet (UV) emission in the outer regions of a local, volume-limited sample of 56 early-type galaxies, where H{\\alpha} emission from massive star formation is typically absent. We find excess faint NUV emission in the environments of our early-type galaxies compared to blank sky measured in the same tiles, indicating that the excesses are not due to background contamination. We do not observe corresponding faint FUV excesses. Faint NUV excesses increase with galaxy luminosity and are not correlated with the presence or absence of HI in the environments of these g","authors_text":"David Schiminovich, Jennifer Donovan Meyer, J.H. van Gorkom","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-10T02:39:50Z","title":"Characterizing Ultraviolet Excesses in the Outskirts of a Local Early-Type Sample"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2161","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":"sha256:59d81994518b52bb7a99214e577582abe35210e684a69b9de96808678b1ca8d5","target":"record","created_at":"2026-05-18T04:33:38Z","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":"92e25130f8575d1fbb916ee7c958d95d5590d73ddf43c483fa6697f03f574fbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-10T02:39:50Z","title_canon_sha256":"82d69274b8dc6ecf22b8791a4ce75bcdb4cc1a44c46e2ea72cd063f8e417df27"},"schema_version":"1.0","source":{"id":"1012.2161","kind":"arxiv","version":1}},"canonical_sha256":"d301a8f6f433baec024cbd9eb44cfefb7841ba04af0e5af308bf1426ce9d1297","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d301a8f6f433baec024cbd9eb44cfefb7841ba04af0e5af308bf1426ce9d1297","first_computed_at":"2026-05-18T04:33:38.417652Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:38.417652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OiuRfR8cfiH+ZPvZWrf+ydJmPvm9mzSitDMur8+vUokskYMdDNNF8dEZ92z0WMK8+eYaMvkMJHzQzJA5CJiTAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:38.418291Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.2161","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59d81994518b52bb7a99214e577582abe35210e684a69b9de96808678b1ca8d5","sha256:9661d361e81004e00f847da5113de3401410799d233c219563897deb6eaf91b5"],"state_sha256":"5ed1289ec8c88a558cde55d1419b11263590841020b8229a2d6a15be63bf5236"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/jhYQQJsfdeHe4ZIoXTpUeODIyrO8d849xq13/D5XmDvImKEaXZtdcpN9KVI5h10qeYr7jugTIytVjfT8bqcBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:07:18.798588Z","bundle_sha256":"7f38853d9a2553e54aa19b7b5b6bd0a6e920bc67fb0f3cc87d8bd5538b779a49"}}