{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QZYZCKE74THOK2GR5TWACQH2JI","short_pith_number":"pith:QZYZCKE7","canonical_record":{"source":{"id":"2601.03729","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-01-07T09:21:45Z","cross_cats_sorted":[],"title_canon_sha256":"be85cbd64471c113b797ff452197bfcb7cb7423c32bf69f36f591d2750184fc6","abstract_canon_sha256":"f96c93e0c5dbaa2d81421e9a68a151979bea4e5d08319688d8dc6f8e9e4976c9"},"schema_version":"1.0"},"canonical_sha256":"867191289fe4cee568d1ecec0140fa4a2ba866350f24a8b319ccc3cbf65841fb","source":{"kind":"arxiv","id":"2601.03729","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.03729","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"2601.03729v2","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.03729","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"QZYZCKE74THO","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"pith_short_16","alias_value":"QZYZCKE74THOK2GR","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"pith_short_8","alias_value":"QZYZCKE7","created_at":"2026-05-29T02:05:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QZYZCKE74THOK2GR5TWACQH2JI","target":"record","payload":{"canonical_record":{"source":{"id":"2601.03729","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-01-07T09:21:45Z","cross_cats_sorted":[],"title_canon_sha256":"be85cbd64471c113b797ff452197bfcb7cb7423c32bf69f36f591d2750184fc6","abstract_canon_sha256":"f96c93e0c5dbaa2d81421e9a68a151979bea4e5d08319688d8dc6f8e9e4976c9"},"schema_version":"1.0"},"canonical_sha256":"867191289fe4cee568d1ecec0140fa4a2ba866350f24a8b319ccc3cbf65841fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T02:05:39.011203Z","signature_b64":"6rngiYjl7PgqVugn3Gbnq4wkCzxAYZUmVdauVJ30tfe5FG360yhr2XFIMrw5O3NcLl/7GB6nVsq7CUU09RFpCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"867191289fe4cee568d1ecec0140fa4a2ba866350f24a8b319ccc3cbf65841fb","last_reissued_at":"2026-05-29T02:05:39.010712Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T02:05:39.010712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.03729","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-29T02:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ULjAtcSi0775o+xxr6YFdw9D6CE9lSZNcsGNMtdeQdB8ZxwP+3nzlLWMY7wVcb1zGoQae1XhfF3I/zrHQtupDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:09:11.737614Z"},"content_sha256":"117656fd0bc0c72d7e1c75d5843d148ad26516fe170f817ffc2772a5208ee9e1","schema_version":"1.0","event_id":"sha256:117656fd0bc0c72d7e1c75d5843d148ad26516fe170f817ffc2772a5208ee9e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QZYZCKE74THOK2GR5TWACQH2JI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MATANet: A Multi-context Attention and Taxonomy-Aware Network for Fine-Grained Underwater Recognition of Marine Species","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Byeongjin Kim, Donghwan Lee, Geunhee Kim, Hyukjin Kwon, Nahyeon Maeng, Wooju Kim","submitted_at":"2026-01-07T09:21:45Z","abstract_excerpt":"Fine-grained recognition of marine organisms is important for ecological research, biodiversity monitoring, habitat conservation, and evidence-based policy-making. However, many existing approaches primarily rely on object- or ROI-centered representations. These limitations can reduce discriminative performance in challenging underwater scenes, where visually similar organisms often appear under diverse environmental conditions. To address these challenges, we propose MATANet (Multi-context Attention and Taxonomy-Aware Network), a framework for fine-grained taxonomic recognition of marine orga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.03729","kind":"arxiv","version":2},"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/2601.03729/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":"2026-05-29T02:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AXSsb/dLrqqBPGcEZIBlYvYcz9PKkKktkiq8wIi+4rdPSC2aGKREED5aemJVrLUBGfDtw8wWhL+Fv+jX9HSyDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:09:11.737987Z"},"content_sha256":"5b23560ffadf3e5518de06904770f8a7540b3536b240d87ef026bcf3b9d41465","schema_version":"1.0","event_id":"sha256:5b23560ffadf3e5518de06904770f8a7540b3536b240d87ef026bcf3b9d41465"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QZYZCKE74THOK2GR5TWACQH2JI/bundle.json","state_url":"https://pith.science/pith/QZYZCKE74THOK2GR5TWACQH2JI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QZYZCKE74THOK2GR5TWACQH2JI/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":"2026-06-04T21:09:11Z","links":{"resolver":"https://pith.science/pith/QZYZCKE74THOK2GR5TWACQH2JI","bundle":"https://pith.science/pith/QZYZCKE74THOK2GR5TWACQH2JI/bundle.json","state":"https://pith.science/pith/QZYZCKE74THOK2GR5TWACQH2JI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QZYZCKE74THOK2GR5TWACQH2JI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QZYZCKE74THOK2GR5TWACQH2JI","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":"f96c93e0c5dbaa2d81421e9a68a151979bea4e5d08319688d8dc6f8e9e4976c9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-01-07T09:21:45Z","title_canon_sha256":"be85cbd64471c113b797ff452197bfcb7cb7423c32bf69f36f591d2750184fc6"},"schema_version":"1.0","source":{"id":"2601.03729","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.03729","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"2601.03729v2","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.03729","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"QZYZCKE74THO","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"pith_short_16","alias_value":"QZYZCKE74THOK2GR","created_at":"2026-05-29T02:05:39Z"},{"alias_kind":"pith_short_8","alias_value":"QZYZCKE7","created_at":"2026-05-29T02:05:39Z"}],"graph_snapshots":[{"event_id":"sha256:5b23560ffadf3e5518de06904770f8a7540b3536b240d87ef026bcf3b9d41465","target":"graph","created_at":"2026-05-29T02:05:39Z","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/2601.03729/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fine-grained recognition of marine organisms is important for ecological research, biodiversity monitoring, habitat conservation, and evidence-based policy-making. However, many existing approaches primarily rely on object- or ROI-centered representations. These limitations can reduce discriminative performance in challenging underwater scenes, where visually similar organisms often appear under diverse environmental conditions. To address these challenges, we propose MATANet (Multi-context Attention and Taxonomy-Aware Network), a framework for fine-grained taxonomic recognition of marine orga","authors_text":"Byeongjin Kim, Donghwan Lee, Geunhee Kim, Hyukjin Kwon, Nahyeon Maeng, Wooju Kim","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-01-07T09:21:45Z","title":"MATANet: A Multi-context Attention and Taxonomy-Aware Network for Fine-Grained Underwater Recognition of Marine Species"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.03729","kind":"arxiv","version":2},"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":"sha256:117656fd0bc0c72d7e1c75d5843d148ad26516fe170f817ffc2772a5208ee9e1","target":"record","created_at":"2026-05-29T02:05:39Z","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":"f96c93e0c5dbaa2d81421e9a68a151979bea4e5d08319688d8dc6f8e9e4976c9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-01-07T09:21:45Z","title_canon_sha256":"be85cbd64471c113b797ff452197bfcb7cb7423c32bf69f36f591d2750184fc6"},"schema_version":"1.0","source":{"id":"2601.03729","kind":"arxiv","version":2}},"canonical_sha256":"867191289fe4cee568d1ecec0140fa4a2ba866350f24a8b319ccc3cbf65841fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"867191289fe4cee568d1ecec0140fa4a2ba866350f24a8b319ccc3cbf65841fb","first_computed_at":"2026-05-29T02:05:39.010712Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T02:05:39.010712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6rngiYjl7PgqVugn3Gbnq4wkCzxAYZUmVdauVJ30tfe5FG360yhr2XFIMrw5O3NcLl/7GB6nVsq7CUU09RFpCg==","signature_status":"signed_v1","signed_at":"2026-05-29T02:05:39.011203Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.03729","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:117656fd0bc0c72d7e1c75d5843d148ad26516fe170f817ffc2772a5208ee9e1","sha256:5b23560ffadf3e5518de06904770f8a7540b3536b240d87ef026bcf3b9d41465"],"state_sha256":"f9ecd6d5d8bf7717a70ddcb77af733534d79fad35819b509cff3582ef4702cbf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VGUCAAo2pJcC+0ThDuPGISV6T5F95JZSYBjbBaj8dCcobz8xGf2b9WZyGiiP3Yx1DFA19dypZOsc2slLF9pXAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:09:11.740010Z","bundle_sha256":"cd99f0c9950b5ed13d9b5155b25a9ab4e957759a16be623ebe945e72b3cefd12"}}