{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:AXUWS4ME4QSJ7XM2ZHIL6TBRJ4","short_pith_number":"pith:AXUWS4ME","canonical_record":{"source":{"id":"2504.18910","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-26T12:50:12Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"0466a275ea5e8cf0fee3cc12ee7457ce20cdedd7892c8f69fd2366979dd29949","abstract_canon_sha256":"9ce99d61da6802597dbeba2cd8f4be7bf654e8602ff28cb4fcac71971d63744b"},"schema_version":"1.0"},"canonical_sha256":"05e9697184e4249fdd9ac9d0bf4c314f0b7cbe2e1f25bca8bcc53366eb147e6e","source":{"kind":"arxiv","id":"2504.18910","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.18910","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"arxiv_version","alias_value":"2504.18910v1","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18910","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"pith_short_12","alias_value":"AXUWS4ME4QSJ","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"pith_short_16","alias_value":"AXUWS4ME4QSJ7XM2","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"pith_short_8","alias_value":"AXUWS4ME","created_at":"2026-07-05T10:54:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:AXUWS4ME4QSJ7XM2ZHIL6TBRJ4","target":"record","payload":{"canonical_record":{"source":{"id":"2504.18910","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-26T12:50:12Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"0466a275ea5e8cf0fee3cc12ee7457ce20cdedd7892c8f69fd2366979dd29949","abstract_canon_sha256":"9ce99d61da6802597dbeba2cd8f4be7bf654e8602ff28cb4fcac71971d63744b"},"schema_version":"1.0"},"canonical_sha256":"05e9697184e4249fdd9ac9d0bf4c314f0b7cbe2e1f25bca8bcc53366eb147e6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:54:23.579992Z","signature_b64":"ucDmB4RqBxoz5UahmwnR97ylQ0y3ls7VmTi4NFCgJwbi8mreQ4BukS201RbN932COONCnWfMlQqWhcjnyldBCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05e9697184e4249fdd9ac9d0bf4c314f0b7cbe2e1f25bca8bcc53366eb147e6e","last_reissued_at":"2026-07-05T10:54:23.579502Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:54:23.579502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.18910","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":"2026-07-05T10:54:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XArfd9M23goF+LZL+q/1/OG3hPLzzoFQcsyGCCU7Xo1/cEIK4Wnx+VWX2ObP4uJFqKG7BZmXEmk6VY8FrSU8Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:41:36.590764Z"},"content_sha256":"5da2b8ec7cb0f071cd54e812ebfa04082ab7c8089f724493e696d59bbd34273c","schema_version":"1.0","event_id":"sha256:5da2b8ec7cb0f071cd54e812ebfa04082ab7c8089f724493e696d59bbd34273c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:AXUWS4ME4QSJ7XM2ZHIL6TBRJ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinship Verification through a Forest Neural Network","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Ali Nazari, Mohsen Ebrahimi Moghaddam, Omidreza Borzoei","submitted_at":"2025-04-26T12:50:12Z","abstract_excerpt":"Early methods used face representations in kinship verification, which are less accurate than joint representations of parents' and children's facial images learned from scratch. We propose an approach featuring graph neural network concepts to utilize face representations and have comparable results to joint representation algorithms. Moreover, we designed the structure of the classification module and introduced a new combination of losses to engage the center loss gradually in training our network. Additionally, we conducted experiments on KinFaceW-I and II, demonstrating the effectiveness "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18910","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/2504.18910/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":"2026-07-05T10:54:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jxttMov92EAlZuqbAvpZjjv9vejDZt9wM1w9n4t22D5qczFTEkOvqvBcd+IGDi0TzR6rO1WTjQsVKIH3NUlFAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:41:36.591135Z"},"content_sha256":"7863f1c180445532cbfb384e3a2e0ff3ad408a2b97a71c8dd2a2855bac727027","schema_version":"1.0","event_id":"sha256:7863f1c180445532cbfb384e3a2e0ff3ad408a2b97a71c8dd2a2855bac727027"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AXUWS4ME4QSJ7XM2ZHIL6TBRJ4/bundle.json","state_url":"https://pith.science/pith/AXUWS4ME4QSJ7XM2ZHIL6TBRJ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AXUWS4ME4QSJ7XM2ZHIL6TBRJ4/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":"2026-07-06T18:41:36Z","links":{"resolver":"https://pith.science/pith/AXUWS4ME4QSJ7XM2ZHIL6TBRJ4","bundle":"https://pith.science/pith/AXUWS4ME4QSJ7XM2ZHIL6TBRJ4/bundle.json","state":"https://pith.science/pith/AXUWS4ME4QSJ7XM2ZHIL6TBRJ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AXUWS4ME4QSJ7XM2ZHIL6TBRJ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:AXUWS4ME4QSJ7XM2ZHIL6TBRJ4","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":"9ce99d61da6802597dbeba2cd8f4be7bf654e8602ff28cb4fcac71971d63744b","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-26T12:50:12Z","title_canon_sha256":"0466a275ea5e8cf0fee3cc12ee7457ce20cdedd7892c8f69fd2366979dd29949"},"schema_version":"1.0","source":{"id":"2504.18910","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.18910","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"arxiv_version","alias_value":"2504.18910v1","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18910","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"pith_short_12","alias_value":"AXUWS4ME4QSJ","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"pith_short_16","alias_value":"AXUWS4ME4QSJ7XM2","created_at":"2026-07-05T10:54:23Z"},{"alias_kind":"pith_short_8","alias_value":"AXUWS4ME","created_at":"2026-07-05T10:54:23Z"}],"graph_snapshots":[{"event_id":"sha256:7863f1c180445532cbfb384e3a2e0ff3ad408a2b97a71c8dd2a2855bac727027","target":"graph","created_at":"2026-07-05T10:54:23Z","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/2504.18910/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Early methods used face representations in kinship verification, which are less accurate than joint representations of parents' and children's facial images learned from scratch. We propose an approach featuring graph neural network concepts to utilize face representations and have comparable results to joint representation algorithms. Moreover, we designed the structure of the classification module and introduced a new combination of losses to engage the center loss gradually in training our network. Additionally, we conducted experiments on KinFaceW-I and II, demonstrating the effectiveness ","authors_text":"Ali Nazari, Mohsen Ebrahimi Moghaddam, Omidreza Borzoei","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-26T12:50:12Z","title":"Kinship Verification through a Forest Neural Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18910","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":"sha256:5da2b8ec7cb0f071cd54e812ebfa04082ab7c8089f724493e696d59bbd34273c","target":"record","created_at":"2026-07-05T10:54:23Z","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":"9ce99d61da6802597dbeba2cd8f4be7bf654e8602ff28cb4fcac71971d63744b","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-26T12:50:12Z","title_canon_sha256":"0466a275ea5e8cf0fee3cc12ee7457ce20cdedd7892c8f69fd2366979dd29949"},"schema_version":"1.0","source":{"id":"2504.18910","kind":"arxiv","version":1}},"canonical_sha256":"05e9697184e4249fdd9ac9d0bf4c314f0b7cbe2e1f25bca8bcc53366eb147e6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05e9697184e4249fdd9ac9d0bf4c314f0b7cbe2e1f25bca8bcc53366eb147e6e","first_computed_at":"2026-07-05T10:54:23.579502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:54:23.579502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ucDmB4RqBxoz5UahmwnR97ylQ0y3ls7VmTi4NFCgJwbi8mreQ4BukS201RbN932COONCnWfMlQqWhcjnyldBCw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:54:23.579992Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.18910","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5da2b8ec7cb0f071cd54e812ebfa04082ab7c8089f724493e696d59bbd34273c","sha256:7863f1c180445532cbfb384e3a2e0ff3ad408a2b97a71c8dd2a2855bac727027"],"state_sha256":"3038fdc1e46ffc87635f228de5982a94951eaf5d92f4b3cf70270bae68a4d9de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F7qBzSTCgzz6H2wj22esEppvyOUzbHrxl7AeQlEGLKjyyaaLM8gtm2vXwbIO3jktDVmL/+vmA3135z9nFTQPAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T18:41:36.593090Z","bundle_sha256":"c99ae9a63ad4f20f95edde0e202e7c61fb60f51d16b35560b71b8fa9947373a7"}}