{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2LW6C5VFM6VJ2XVXO2YNJ6PP5B","short_pith_number":"pith:2LW6C5VF","canonical_record":{"source":{"id":"2504.15609","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-22T06:02:32Z","cross_cats_sorted":[],"title_canon_sha256":"2a64ddf623a2eabf3427eb286251bf47732c318323b369ecea4dbd0a9394b0d0","abstract_canon_sha256":"bf2deb28ce0f2cf0f84c602f3f587d42ea7b6021bc67d43a8f475d962481e64c"},"schema_version":"1.0"},"canonical_sha256":"d2ede176a567aa9d5eb776b0d4f9efe85a59533fbf6ab50da21a9618ee1dd41d","source":{"kind":"arxiv","id":"2504.15609","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.15609","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"arxiv_version","alias_value":"2504.15609v1","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.15609","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"pith_short_12","alias_value":"2LW6C5VFM6VJ","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"pith_short_16","alias_value":"2LW6C5VFM6VJ2XVX","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"pith_short_8","alias_value":"2LW6C5VF","created_at":"2026-07-05T10:52:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2LW6C5VFM6VJ2XVXO2YNJ6PP5B","target":"record","payload":{"canonical_record":{"source":{"id":"2504.15609","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-22T06:02:32Z","cross_cats_sorted":[],"title_canon_sha256":"2a64ddf623a2eabf3427eb286251bf47732c318323b369ecea4dbd0a9394b0d0","abstract_canon_sha256":"bf2deb28ce0f2cf0f84c602f3f587d42ea7b6021bc67d43a8f475d962481e64c"},"schema_version":"1.0"},"canonical_sha256":"d2ede176a567aa9d5eb776b0d4f9efe85a59533fbf6ab50da21a9618ee1dd41d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:52:27.318309Z","signature_b64":"zrVjIQtL2uheiAzI/FQ7D0j0xBnUFbHqp5wstJj/tqiF4LoXBeVjpkRtaNGd87joCkSVh+flBXMsrBGi5SW6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2ede176a567aa9d5eb776b0d4f9efe85a59533fbf6ab50da21a9618ee1dd41d","last_reissued_at":"2026-07-05T10:52:27.317748Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:52:27.317748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.15609","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":"2026-07-05T10:52:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vBH7c1Ar16UDnWgOtL1EdoEb5kOnjsj371TztOfC68Orb7OzicEdqKRmp+gxmdQtvKYRdZzxoI8hjvAsj/rXBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T01:26:36.600713Z"},"content_sha256":"917455fccd2eb9405af761c2af9b06b232aee0d63523f50436e08b667cd62c80","schema_version":"1.0","event_id":"sha256:917455fccd2eb9405af761c2af9b06b232aee0d63523f50436e08b667cd62c80"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2LW6C5VFM6VJ2XVXO2YNJ6PP5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SonarT165: A Large-scale Benchmark and STFTrack Framework for Acoustic Object Tracking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bo Wang, Jiahao Wan, Xueyi Wu, Ye Li, Yunfeng Li","submitted_at":"2025-04-22T06:02:32Z","abstract_excerpt":"Underwater observation systems typically integrate optical cameras and imaging sonar systems. When underwater visibility is insufficient, only sonar systems can provide stable data, which necessitates exploration of the underwater acoustic object tracking (UAOT) task. Previous studies have explored traditional methods and Siamese networks for UAOT. However, the absence of a unified evaluation benchmark has significantly constrained the value of these methods. To alleviate this limitation, we propose the first large-scale UAOT benchmark, SonarT165, comprising 165 square sequences, 165 fan seque"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.15609","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/2504.15609/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":"2026-07-05T10:52:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6/igOrcxS6M5/fBo20DB8wtfkvODUpFY+nx2Br3j8+b4srGvB98l6PKh+R/BthDAkECTLNk4hwrlrvmsC9JzDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T01:26:36.601497Z"},"content_sha256":"d935b062c97d03771b9bb1e4afac878fe46d61f7e034bb848785c900d7347210","schema_version":"1.0","event_id":"sha256:d935b062c97d03771b9bb1e4afac878fe46d61f7e034bb848785c900d7347210"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2LW6C5VFM6VJ2XVXO2YNJ6PP5B/bundle.json","state_url":"https://pith.science/pith/2LW6C5VFM6VJ2XVXO2YNJ6PP5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2LW6C5VFM6VJ2XVXO2YNJ6PP5B/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":"2026-08-18T01:26:36Z","links":{"resolver":"https://pith.science/pith/2LW6C5VFM6VJ2XVXO2YNJ6PP5B","bundle":"https://pith.science/pith/2LW6C5VFM6VJ2XVXO2YNJ6PP5B/bundle.json","state":"https://pith.science/pith/2LW6C5VFM6VJ2XVXO2YNJ6PP5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2LW6C5VFM6VJ2XVXO2YNJ6PP5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2LW6C5VFM6VJ2XVXO2YNJ6PP5B","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":"bf2deb28ce0f2cf0f84c602f3f587d42ea7b6021bc67d43a8f475d962481e64c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-22T06:02:32Z","title_canon_sha256":"2a64ddf623a2eabf3427eb286251bf47732c318323b369ecea4dbd0a9394b0d0"},"schema_version":"1.0","source":{"id":"2504.15609","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.15609","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"arxiv_version","alias_value":"2504.15609v1","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.15609","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"pith_short_12","alias_value":"2LW6C5VFM6VJ","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"pith_short_16","alias_value":"2LW6C5VFM6VJ2XVX","created_at":"2026-07-05T10:52:27Z"},{"alias_kind":"pith_short_8","alias_value":"2LW6C5VF","created_at":"2026-07-05T10:52:27Z"}],"graph_snapshots":[{"event_id":"sha256:d935b062c97d03771b9bb1e4afac878fe46d61f7e034bb848785c900d7347210","target":"graph","created_at":"2026-07-05T10:52:27Z","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/2504.15609/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Underwater observation systems typically integrate optical cameras and imaging sonar systems. When underwater visibility is insufficient, only sonar systems can provide stable data, which necessitates exploration of the underwater acoustic object tracking (UAOT) task. Previous studies have explored traditional methods and Siamese networks for UAOT. However, the absence of a unified evaluation benchmark has significantly constrained the value of these methods. To alleviate this limitation, we propose the first large-scale UAOT benchmark, SonarT165, comprising 165 square sequences, 165 fan seque","authors_text":"Bo Wang, Jiahao Wan, Xueyi Wu, Ye Li, Yunfeng Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-22T06:02:32Z","title":"SonarT165: A Large-scale Benchmark and STFTrack Framework for Acoustic Object Tracking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.15609","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":"sha256:917455fccd2eb9405af761c2af9b06b232aee0d63523f50436e08b667cd62c80","target":"record","created_at":"2026-07-05T10:52:27Z","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":"bf2deb28ce0f2cf0f84c602f3f587d42ea7b6021bc67d43a8f475d962481e64c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-22T06:02:32Z","title_canon_sha256":"2a64ddf623a2eabf3427eb286251bf47732c318323b369ecea4dbd0a9394b0d0"},"schema_version":"1.0","source":{"id":"2504.15609","kind":"arxiv","version":1}},"canonical_sha256":"d2ede176a567aa9d5eb776b0d4f9efe85a59533fbf6ab50da21a9618ee1dd41d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2ede176a567aa9d5eb776b0d4f9efe85a59533fbf6ab50da21a9618ee1dd41d","first_computed_at":"2026-07-05T10:52:27.317748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:52:27.317748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zrVjIQtL2uheiAzI/FQ7D0j0xBnUFbHqp5wstJj/tqiF4LoXBeVjpkRtaNGd87joCkSVh+flBXMsrBGi5SW6Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:52:27.318309Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.15609","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:917455fccd2eb9405af761c2af9b06b232aee0d63523f50436e08b667cd62c80","sha256:d935b062c97d03771b9bb1e4afac878fe46d61f7e034bb848785c900d7347210"],"state_sha256":"776d7fc78ad1e36254887f2cccfe76bf3c3cde204002a71329403366be5dc21b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7bFqmnkwpcxEG3OLvOmtRXXWlyOJY94eIIYetZmmvpBEiZXGER7dBYPe71wODvOoT0F8C4j+uR+F1F40LILzAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T01:26:36.613917Z","bundle_sha256":"9c4d390c0bf7dfd5a16b3ababc65e525ccaaf2858151a5670aaa09413a1c8562"}}