{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:2CTB4IGYUJIN2YTEASCT4RAIYE","short_pith_number":"pith:2CTB4IGY","canonical_record":{"source":{"id":"2606.18780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T07:43:33Z","cross_cats_sorted":["cs.CL","cs.MM"],"title_canon_sha256":"7697af9f3aab8a514c3086cc195fb397bc09040ac4a00091c96b68e19327bd2f","abstract_canon_sha256":"38237c27bbe9813e5aabfe2e9dae217a44b4f187e539b4e24d0ec17016a65866"},"schema_version":"1.0"},"canonical_sha256":"d0a61e20d8a250dd626404853e4408c11edd7c746e9496220a3fbcebe2e22e7d","source":{"kind":"arxiv","id":"2606.18780","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18780","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18780v1","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18780","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"pith_short_12","alias_value":"2CTB4IGYUJIN","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"pith_short_16","alias_value":"2CTB4IGYUJIN2YTE","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"pith_short_8","alias_value":"2CTB4IGY","created_at":"2026-06-19T16:11:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:2CTB4IGYUJIN2YTEASCT4RAIYE","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T07:43:33Z","cross_cats_sorted":["cs.CL","cs.MM"],"title_canon_sha256":"7697af9f3aab8a514c3086cc195fb397bc09040ac4a00091c96b68e19327bd2f","abstract_canon_sha256":"38237c27bbe9813e5aabfe2e9dae217a44b4f187e539b4e24d0ec17016a65866"},"schema_version":"1.0"},"canonical_sha256":"d0a61e20d8a250dd626404853e4408c11edd7c746e9496220a3fbcebe2e22e7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:47.079076Z","signature_b64":"YHSZT3JUUwiISZ5KUO9JKLGl3+K2i4oD7MVVryHyjcmdzc0DXhHPj43+Sf2o/5MDMXHWefH8oLm4BAlMADY3CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0a61e20d8a250dd626404853e4408c11edd7c746e9496220a3fbcebe2e22e7d","last_reissued_at":"2026-06-19T16:11:47.078723Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:47.078723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18780","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":"2026-06-19T16:11:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QnZDkAYXXCyFndsthy6w6BwZWNxV9ZG35cjh3SCndr1ARMnVAJK/oCoKEM1idQFDwMl5mjawasdMJ/pgbco+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:47:43.848781Z"},"content_sha256":"a6ee47dc7114a716abbabd1d3bc57f1b610f01c70f9244583be2ddc8c3a030ef","schema_version":"1.0","event_id":"sha256:a6ee47dc7114a716abbabd1d3bc57f1b610f01c70f9244583be2ddc8c3a030ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:2CTB4IGYUJIN2YTEASCT4RAIYE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SAMA: Semantic Anchor-aligned Augmentation for Unified Low-Resource Multimodal Information Extraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL","cs.MM"],"primary_cat":"cs.CV","authors_text":"Chong Mu, Hui Gao, Jiazhou Pan, Ling Tian, Ming Jia, Quanjiang Guo, Zhao Kang","submitted_at":"2026-06-17T07:43:33Z","abstract_excerpt":"Multimodal Information Extraction (MIE)-covering tasks such as Multimodal Named Entity Recognition (MNER), Relation Extraction (MRE), and Event Extraction (MEE)-is essential for understanding multimedia content but remains constrained by severe data scarcity. Although data augmentation is a promising remedy, existing approaches are impeded by coarse cross-modal alignment and fragmented, task-specific designs that fail to exploit shared semantic knowledge. To overcome these limitations, we introduce Semantic Anchor-aligned Multimodal Augmentation (SAMA), a unified framework for generating high-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18780","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/2606.18780/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":"2026-06-19T16:11:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aAYa40lW9o+HbhKTA8XStrUuXWkJUxDTQm20hiy0XbVfSimRCPC7p9ONyp2w83DIUdZ5iR2fWWmsZpZlaG3gDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:47:43.849159Z"},"content_sha256":"ad1a4b595b35992f4b7d800840bcbedd67dad204d2df8b09b4f2fd8a612c414e","schema_version":"1.0","event_id":"sha256:ad1a4b595b35992f4b7d800840bcbedd67dad204d2df8b09b4f2fd8a612c414e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2CTB4IGYUJIN2YTEASCT4RAIYE/bundle.json","state_url":"https://pith.science/pith/2CTB4IGYUJIN2YTEASCT4RAIYE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2CTB4IGYUJIN2YTEASCT4RAIYE/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":"2026-07-02T21:47:43Z","links":{"resolver":"https://pith.science/pith/2CTB4IGYUJIN2YTEASCT4RAIYE","bundle":"https://pith.science/pith/2CTB4IGYUJIN2YTEASCT4RAIYE/bundle.json","state":"https://pith.science/pith/2CTB4IGYUJIN2YTEASCT4RAIYE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2CTB4IGYUJIN2YTEASCT4RAIYE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2CTB4IGYUJIN2YTEASCT4RAIYE","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":"38237c27bbe9813e5aabfe2e9dae217a44b4f187e539b4e24d0ec17016a65866","cross_cats_sorted":["cs.CL","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T07:43:33Z","title_canon_sha256":"7697af9f3aab8a514c3086cc195fb397bc09040ac4a00091c96b68e19327bd2f"},"schema_version":"1.0","source":{"id":"2606.18780","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18780","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18780v1","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18780","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"pith_short_12","alias_value":"2CTB4IGYUJIN","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"pith_short_16","alias_value":"2CTB4IGYUJIN2YTE","created_at":"2026-06-19T16:11:47Z"},{"alias_kind":"pith_short_8","alias_value":"2CTB4IGY","created_at":"2026-06-19T16:11:47Z"}],"graph_snapshots":[{"event_id":"sha256:ad1a4b595b35992f4b7d800840bcbedd67dad204d2df8b09b4f2fd8a612c414e","target":"graph","created_at":"2026-06-19T16:11:47Z","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/2606.18780/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multimodal Information Extraction (MIE)-covering tasks such as Multimodal Named Entity Recognition (MNER), Relation Extraction (MRE), and Event Extraction (MEE)-is essential for understanding multimedia content but remains constrained by severe data scarcity. Although data augmentation is a promising remedy, existing approaches are impeded by coarse cross-modal alignment and fragmented, task-specific designs that fail to exploit shared semantic knowledge. To overcome these limitations, we introduce Semantic Anchor-aligned Multimodal Augmentation (SAMA), a unified framework for generating high-","authors_text":"Chong Mu, Hui Gao, Jiazhou Pan, Ling Tian, Ming Jia, Quanjiang Guo, Zhao Kang","cross_cats":["cs.CL","cs.MM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T07:43:33Z","title":"SAMA: Semantic Anchor-aligned Augmentation for Unified Low-Resource Multimodal Information Extraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18780","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:a6ee47dc7114a716abbabd1d3bc57f1b610f01c70f9244583be2ddc8c3a030ef","target":"record","created_at":"2026-06-19T16:11:47Z","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":"38237c27bbe9813e5aabfe2e9dae217a44b4f187e539b4e24d0ec17016a65866","cross_cats_sorted":["cs.CL","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T07:43:33Z","title_canon_sha256":"7697af9f3aab8a514c3086cc195fb397bc09040ac4a00091c96b68e19327bd2f"},"schema_version":"1.0","source":{"id":"2606.18780","kind":"arxiv","version":1}},"canonical_sha256":"d0a61e20d8a250dd626404853e4408c11edd7c746e9496220a3fbcebe2e22e7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0a61e20d8a250dd626404853e4408c11edd7c746e9496220a3fbcebe2e22e7d","first_computed_at":"2026-06-19T16:11:47.078723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:47.078723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YHSZT3JUUwiISZ5KUO9JKLGl3+K2i4oD7MVVryHyjcmdzc0DXhHPj43+Sf2o/5MDMXHWefH8oLm4BAlMADY3CQ==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:47.079076Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18780","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6ee47dc7114a716abbabd1d3bc57f1b610f01c70f9244583be2ddc8c3a030ef","sha256:ad1a4b595b35992f4b7d800840bcbedd67dad204d2df8b09b4f2fd8a612c414e"],"state_sha256":"802e54c094096c5a4dd52a5b84952d9ba9e9c19628f7af3f642eae8db17007f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aFmEPgudQcoCSI7nVIuSQ653WJy6nh0Nia+JBrMUApEkl02XiCmZM7kkUKZwO1D7XCycZqVAvQWy4n1ee2wVBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T21:47:43.851197Z","bundle_sha256":"28cc4f39b0792259220b7cc3d1677d7f124af52be2ab4c1abf248efa2b3b92f6"}}