{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4FEAI4EYZ5GQRWRM2ARRAUXC6M","short_pith_number":"pith:4FEAI4EY","canonical_record":{"source":{"id":"2203.16813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-03-31T05:46:16Z","cross_cats_sorted":[],"title_canon_sha256":"581f124de90767a4fade931c4de255c1f8c9d8e3436763ef83609379aceda9bf","abstract_canon_sha256":"6a273889da12f256a42e368840c0ce59e7706ce61346de8f832708b4faba78a5"},"schema_version":"1.0"},"canonical_sha256":"e148047098cf4d08da2cd0231052e2f32fd168a163b83f2efc7dd46be28b2f5e","source":{"kind":"arxiv","id":"2203.16813","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.16813","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"arxiv_version","alias_value":"2203.16813v1","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.16813","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"pith_short_12","alias_value":"4FEAI4EYZ5GQ","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"pith_short_16","alias_value":"4FEAI4EYZ5GQRWRM","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"pith_short_8","alias_value":"4FEAI4EY","created_at":"2026-07-05T04:27:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4FEAI4EYZ5GQRWRM2ARRAUXC6M","target":"record","payload":{"canonical_record":{"source":{"id":"2203.16813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-03-31T05:46:16Z","cross_cats_sorted":[],"title_canon_sha256":"581f124de90767a4fade931c4de255c1f8c9d8e3436763ef83609379aceda9bf","abstract_canon_sha256":"6a273889da12f256a42e368840c0ce59e7706ce61346de8f832708b4faba78a5"},"schema_version":"1.0"},"canonical_sha256":"e148047098cf4d08da2cd0231052e2f32fd168a163b83f2efc7dd46be28b2f5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:27:55.210948Z","signature_b64":"TWj361NVDxDNR9GQaFzjuHPO4ZhCEMBmrMKT4ZzHTuv+JZIFWTC/kzaBRfNUCwT1hPnqhsvteiHysbnC4Pg+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e148047098cf4d08da2cd0231052e2f32fd168a163b83f2efc7dd46be28b2f5e","last_reissued_at":"2026-07-05T04:27:55.210578Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:27:55.210578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.16813","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":"2026-07-05T04:27:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o7JJYqGXOKbjmLSeVrhhS1gl4vBEWKwro4E/TTEpsU68Afk7+4zS1tENXg4m/hIpzVjPoUVv61o+XkAYmcaIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T16:20:02.604277Z"},"content_sha256":"480a89c1393a9507ea1855f9b969c73f101d17ba6934d851c30f0d482cc26b03","schema_version":"1.0","event_id":"sha256:480a89c1393a9507ea1855f9b969c73f101d17ba6934d851c30f0d482cc26b03"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4FEAI4EYZ5GQRWRM2ARRAUXC6M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automatic detection of low surface brightness galaxies from SDSS images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Hong Wu, Jia Li, Jingchang Pan, Meng Liu, Wei Du, Xiaoming Kong, Yongguang Xing, Yude Bu, Zengxu Liang, Zhenping Yi","submitted_at":"2022-03-31T05:46:16Z","abstract_excerpt":"Low surface brightness (LSB) galaxies are galaxies with central surface brightness fainter than the night sky. Due to the faint nature of LSB galaxies and the comparable sky background, it is difficult to search LSB galaxies automatically and efficiently from large sky survey. In this study, we established the Low Surface Brightness Galaxies Auto Detect model (LSBG-AD), which is a data-driven model for end-to-end detection of LSB galaxies from Sloan Digital Sky Survey (SDSS) images. Object detection techniques based on deep learning are applied to the SDSS field images to identify LSB galaxies"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.16813","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/2203.16813/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":"2026-07-05T04:27:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rInyhmHukFlT94r0JD+LHYgsvyGzYy+506fzqQ2Fe6xSWkGIfy8tvmNIbl1U88kukzzLivAAGdsYMRAObZTZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T16:20:02.604691Z"},"content_sha256":"9bd9a7ae9714ac0265387a55500cd67b9e4f6719a631ebe7e4c1d935552343c2","schema_version":"1.0","event_id":"sha256:9bd9a7ae9714ac0265387a55500cd67b9e4f6719a631ebe7e4c1d935552343c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FEAI4EYZ5GQRWRM2ARRAUXC6M/bundle.json","state_url":"https://pith.science/pith/4FEAI4EYZ5GQRWRM2ARRAUXC6M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FEAI4EYZ5GQRWRM2ARRAUXC6M/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":"2026-07-08T16:20:02Z","links":{"resolver":"https://pith.science/pith/4FEAI4EYZ5GQRWRM2ARRAUXC6M","bundle":"https://pith.science/pith/4FEAI4EYZ5GQRWRM2ARRAUXC6M/bundle.json","state":"https://pith.science/pith/4FEAI4EYZ5GQRWRM2ARRAUXC6M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FEAI4EYZ5GQRWRM2ARRAUXC6M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4FEAI4EYZ5GQRWRM2ARRAUXC6M","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":"6a273889da12f256a42e368840c0ce59e7706ce61346de8f832708b4faba78a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-03-31T05:46:16Z","title_canon_sha256":"581f124de90767a4fade931c4de255c1f8c9d8e3436763ef83609379aceda9bf"},"schema_version":"1.0","source":{"id":"2203.16813","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.16813","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"arxiv_version","alias_value":"2203.16813v1","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.16813","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"pith_short_12","alias_value":"4FEAI4EYZ5GQ","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"pith_short_16","alias_value":"4FEAI4EYZ5GQRWRM","created_at":"2026-07-05T04:27:55Z"},{"alias_kind":"pith_short_8","alias_value":"4FEAI4EY","created_at":"2026-07-05T04:27:55Z"}],"graph_snapshots":[{"event_id":"sha256:9bd9a7ae9714ac0265387a55500cd67b9e4f6719a631ebe7e4c1d935552343c2","target":"graph","created_at":"2026-07-05T04:27:55Z","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/2203.16813/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Low surface brightness (LSB) galaxies are galaxies with central surface brightness fainter than the night sky. Due to the faint nature of LSB galaxies and the comparable sky background, it is difficult to search LSB galaxies automatically and efficiently from large sky survey. In this study, we established the Low Surface Brightness Galaxies Auto Detect model (LSBG-AD), which is a data-driven model for end-to-end detection of LSB galaxies from Sloan Digital Sky Survey (SDSS) images. Object detection techniques based on deep learning are applied to the SDSS field images to identify LSB galaxies","authors_text":"Hong Wu, Jia Li, Jingchang Pan, Meng Liu, Wei Du, Xiaoming Kong, Yongguang Xing, Yude Bu, Zengxu Liang, Zhenping Yi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-03-31T05:46:16Z","title":"Automatic detection of low surface brightness galaxies from SDSS images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.16813","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":"sha256:480a89c1393a9507ea1855f9b969c73f101d17ba6934d851c30f0d482cc26b03","target":"record","created_at":"2026-07-05T04:27:55Z","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":"6a273889da12f256a42e368840c0ce59e7706ce61346de8f832708b4faba78a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-03-31T05:46:16Z","title_canon_sha256":"581f124de90767a4fade931c4de255c1f8c9d8e3436763ef83609379aceda9bf"},"schema_version":"1.0","source":{"id":"2203.16813","kind":"arxiv","version":1}},"canonical_sha256":"e148047098cf4d08da2cd0231052e2f32fd168a163b83f2efc7dd46be28b2f5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e148047098cf4d08da2cd0231052e2f32fd168a163b83f2efc7dd46be28b2f5e","first_computed_at":"2026-07-05T04:27:55.210578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:27:55.210578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TWj361NVDxDNR9GQaFzjuHPO4ZhCEMBmrMKT4ZzHTuv+JZIFWTC/kzaBRfNUCwT1hPnqhsvteiHysbnC4Pg+DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:27:55.210948Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.16813","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:480a89c1393a9507ea1855f9b969c73f101d17ba6934d851c30f0d482cc26b03","sha256:9bd9a7ae9714ac0265387a55500cd67b9e4f6719a631ebe7e4c1d935552343c2"],"state_sha256":"73d44beb88b6866934a7c72fb7c4177ad695ab77d44d8e1f6f3dbf6b7c05b10c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cQRV9HtRYpCM9PbTuG+yZ5WiBPwSc6qnfGHsT6DS2KS+H/+F4xy6DxE9AyqwVJPLnHL/Kair69pQuTxMm+7/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T16:20:02.606810Z","bundle_sha256":"61872995b44d06cb9e23502bcffa9467616f00ab879e2ebe85029ef491b4a934"}}