{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:32AMX2L6WIB3KZHAEL4SPILSV3","short_pith_number":"pith:32AMX2L6","canonical_record":{"source":{"id":"1711.03094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-08T20:38:56Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"94089081097ab16e387d5f12b6f0b7af4d0aac6b50d056e4e6adabb2a2257b62","abstract_canon_sha256":"57fff96d4c7fbcf95e1ecbe1baa0f85085e4f4c8e67122754f936d9520bd57bb"},"schema_version":"1.0"},"canonical_sha256":"de80cbe97eb203b564e022f927a172aedd5cf3345dd211fd55f582b2537585ef","source":{"kind":"arxiv","id":"1711.03094","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03094","created_at":"2026-05-18T00:30:57Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03094v1","created_at":"2026-05-18T00:30:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03094","created_at":"2026-05-18T00:30:57Z"},{"alias_kind":"pith_short_12","alias_value":"32AMX2L6WIB3","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"32AMX2L6WIB3KZHA","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"32AMX2L6","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:32AMX2L6WIB3KZHAEL4SPILSV3","target":"record","payload":{"canonical_record":{"source":{"id":"1711.03094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-08T20:38:56Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"94089081097ab16e387d5f12b6f0b7af4d0aac6b50d056e4e6adabb2a2257b62","abstract_canon_sha256":"57fff96d4c7fbcf95e1ecbe1baa0f85085e4f4c8e67122754f936d9520bd57bb"},"schema_version":"1.0"},"canonical_sha256":"de80cbe97eb203b564e022f927a172aedd5cf3345dd211fd55f582b2537585ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:57.101671Z","signature_b64":"GeT/evOS0Iww6A8S/NaORpqiIb9ldFEgwS1Q91h+/ZP1iHM+dkO3xHxJOja1j+viGZ23Le+jIBZv81+j9zBGCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de80cbe97eb203b564e022f927a172aedd5cf3345dd211fd55f582b2537585ef","last_reissued_at":"2026-05-18T00:30:57.101181Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:57.101181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.03094","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":"2026-05-18T00:30:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P+tiXrmH21QfWHRuk6CFjzCeO59NlbEVMyHNK/RJijROSPfNowB3bq0vnBuzKWglukjyiLrpmfLEe+LFdJCFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:31:33.054785Z"},"content_sha256":"84c1c4ff9571f9bb763d3687ae0cb92ee50f0aadff20e31ea9ad7aeea15a9edb","schema_version":"1.0","event_id":"sha256:84c1c4ff9571f9bb763d3687ae0cb92ee50f0aadff20e31ea9ad7aeea15a9edb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:32AMX2L6WIB3KZHAEL4SPILSV3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identifying Rings in IFU Surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.IM","authors_text":"Chien-Hsiu Lee (Subaru Telescope, NAOJ)","submitted_at":"2017-11-08T20:38:56Z","abstract_excerpt":"Gravitational lensings provide unique opportunities to study distant galaxies. Despite their usefulness, only a dozens of gravitational arcs have been reported up-to-date, hampered by the low resolution imaging from ground-based surveys. We propose a novel method to identify Einstein rings/arcs in the IFU surveys via image subtraction and computer vision techniques. We use the recent discovered strong lens system in the MaNGA survey as a proof-of-concept; in addition to MaNGA, our approach is applicable to other IFU surveys, such as SAMI, CALIFA, Hector, DESI, and 4MOST."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03094","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":"2026-05-18T00:30:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I6R7jT8TfaMCrgEMrjrZkeTvDwvS73e6ql/PPpcgNM+2AZns5yBTdOQQCZARMpiy7T3KaltCV74/5MFycBqhAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:31:33.055441Z"},"content_sha256":"1aeae5e84c3a5cd87adc9ef8bbf193241252bdc55be14dc48e07ec545baec104","schema_version":"1.0","event_id":"sha256:1aeae5e84c3a5cd87adc9ef8bbf193241252bdc55be14dc48e07ec545baec104"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/32AMX2L6WIB3KZHAEL4SPILSV3/bundle.json","state_url":"https://pith.science/pith/32AMX2L6WIB3KZHAEL4SPILSV3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/32AMX2L6WIB3KZHAEL4SPILSV3/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":"2026-06-01T02:31:33Z","links":{"resolver":"https://pith.science/pith/32AMX2L6WIB3KZHAEL4SPILSV3","bundle":"https://pith.science/pith/32AMX2L6WIB3KZHAEL4SPILSV3/bundle.json","state":"https://pith.science/pith/32AMX2L6WIB3KZHAEL4SPILSV3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/32AMX2L6WIB3KZHAEL4SPILSV3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:32AMX2L6WIB3KZHAEL4SPILSV3","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":"57fff96d4c7fbcf95e1ecbe1baa0f85085e4f4c8e67122754f936d9520bd57bb","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-08T20:38:56Z","title_canon_sha256":"94089081097ab16e387d5f12b6f0b7af4d0aac6b50d056e4e6adabb2a2257b62"},"schema_version":"1.0","source":{"id":"1711.03094","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03094","created_at":"2026-05-18T00:30:57Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03094v1","created_at":"2026-05-18T00:30:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03094","created_at":"2026-05-18T00:30:57Z"},{"alias_kind":"pith_short_12","alias_value":"32AMX2L6WIB3","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"32AMX2L6WIB3KZHA","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"32AMX2L6","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:1aeae5e84c3a5cd87adc9ef8bbf193241252bdc55be14dc48e07ec545baec104","target":"graph","created_at":"2026-05-18T00:30:57Z","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":"Gravitational lensings provide unique opportunities to study distant galaxies. Despite their usefulness, only a dozens of gravitational arcs have been reported up-to-date, hampered by the low resolution imaging from ground-based surveys. We propose a novel method to identify Einstein rings/arcs in the IFU surveys via image subtraction and computer vision techniques. We use the recent discovered strong lens system in the MaNGA survey as a proof-of-concept; in addition to MaNGA, our approach is applicable to other IFU surveys, such as SAMI, CALIFA, Hector, DESI, and 4MOST.","authors_text":"Chien-Hsiu Lee (Subaru Telescope, NAOJ)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-08T20:38:56Z","title":"Identifying Rings in IFU Surveys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03094","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":"sha256:84c1c4ff9571f9bb763d3687ae0cb92ee50f0aadff20e31ea9ad7aeea15a9edb","target":"record","created_at":"2026-05-18T00:30:57Z","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":"57fff96d4c7fbcf95e1ecbe1baa0f85085e4f4c8e67122754f936d9520bd57bb","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-08T20:38:56Z","title_canon_sha256":"94089081097ab16e387d5f12b6f0b7af4d0aac6b50d056e4e6adabb2a2257b62"},"schema_version":"1.0","source":{"id":"1711.03094","kind":"arxiv","version":1}},"canonical_sha256":"de80cbe97eb203b564e022f927a172aedd5cf3345dd211fd55f582b2537585ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de80cbe97eb203b564e022f927a172aedd5cf3345dd211fd55f582b2537585ef","first_computed_at":"2026-05-18T00:30:57.101181Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:57.101181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GeT/evOS0Iww6A8S/NaORpqiIb9ldFEgwS1Q91h+/ZP1iHM+dkO3xHxJOja1j+viGZ23Le+jIBZv81+j9zBGCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:57.101671Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.03094","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84c1c4ff9571f9bb763d3687ae0cb92ee50f0aadff20e31ea9ad7aeea15a9edb","sha256:1aeae5e84c3a5cd87adc9ef8bbf193241252bdc55be14dc48e07ec545baec104"],"state_sha256":"ebd5a9d66c8c51e255b18e1a5e48ea19141f48de602ab975d9383ab0e78b547a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bCiCNW5PnrgjTE3aFE8PsuBrT8KmhnS62Qsy/tLhg/VW7WnUMu2EW0v0uixdj/8ziQLgOkE5BlExkezDxl9iBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:31:33.059289Z","bundle_sha256":"12d7f115d11876d5120f8c6dcfd3de399793cb15bedd761dfd14ee8d523b7499"}}