{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DIBBI3PMKO4YD6DTOZCB7V4Y75","short_pith_number":"pith:DIBBI3PM","canonical_record":{"source":{"id":"2505.03369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-05-06T09:40:47Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"2d093051d8fb3b9138c8188ec2a1378b351339d22de3aefa36f4f6d1f04f5780","abstract_canon_sha256":"20ce0a63940820a606398545e3b8c676b9af9e0ac11a939b368a00a3112df030"},"schema_version":"1.0"},"canonical_sha256":"1a02146dec53b981f87376441fd798ff4efcaf76fc5df033153dd2da26c3e7bb","source":{"kind":"arxiv","id":"2505.03369","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.03369","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"arxiv_version","alias_value":"2505.03369v1","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.03369","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"pith_short_12","alias_value":"DIBBI3PMKO4Y","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"pith_short_16","alias_value":"DIBBI3PMKO4YD6DT","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"pith_short_8","alias_value":"DIBBI3PM","created_at":"2026-07-05T10:59:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DIBBI3PMKO4YD6DTOZCB7V4Y75","target":"record","payload":{"canonical_record":{"source":{"id":"2505.03369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-05-06T09:40:47Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"2d093051d8fb3b9138c8188ec2a1378b351339d22de3aefa36f4f6d1f04f5780","abstract_canon_sha256":"20ce0a63940820a606398545e3b8c676b9af9e0ac11a939b368a00a3112df030"},"schema_version":"1.0"},"canonical_sha256":"1a02146dec53b981f87376441fd798ff4efcaf76fc5df033153dd2da26c3e7bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:59:14.760908Z","signature_b64":"ltw3EnLzdAH9NZjQZiQXxeIiALOzZI9xLUxqQ0de4XnDPRE/m/6MliLpr5isE6c+c6A5KDvFBBjENMxu++VACA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a02146dec53b981f87376441fd798ff4efcaf76fc5df033153dd2da26c3e7bb","last_reissued_at":"2026-07-05T10:59:14.760485Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:59:14.760485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.03369","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":"2026-07-05T10:59:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WMGBBICjJZPxtRLEoidZv5whDBBcT/6ws3dFbLtsrgC6LP/ZhS4mgG5xSdz/XPuPpXsjOTrgU4ihbFVPvX7VDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:10:49.571463Z"},"content_sha256":"f3842db017d5cf5082861d8288e70e7ca58b9e8d8d9fc6743bef69fb4a07d16f","schema_version":"1.0","event_id":"sha256:f3842db017d5cf5082861d8288e70e7ca58b9e8d8d9fc6743bef69fb4a07d16f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DIBBI3PMKO4YD6DTOZCB7V4Y75","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Validating the Effectiveness of a Large Language Model-based Approach for Identifying Children's Development across Various Free Play Settings in Kindergarten","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.AI","authors_text":"Tianchen Sun, Yangbin Xie, Yuan Shen, Yuanyuan Yang","submitted_at":"2025-05-06T09:40:47Z","abstract_excerpt":"Free play is a fundamental aspect of early childhood education, supporting children's cognitive, social, emotional, and motor development. However, assessing children's development during free play poses significant challenges due to the unstructured and spontaneous nature of the activity. Traditional assessment methods often rely on direct observations by teachers, parents, or researchers, which may fail to capture comprehensive insights from free play and provide timely feedback to educators. This study proposes an innovative approach combining Large Language Models (LLMs) with learning anal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.03369","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/2505.03369/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":"2026-07-05T10:59:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bho5Yu4Ibe2a3jJDT/JW8FZDirqRTzOVCTXOlY6bWfBZ5TRbdbrl+RlaoGTsBXwsYfOs1u75z4egJk+9+3fBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:10:49.571947Z"},"content_sha256":"20fb8a634b5fbbdb905d2d1b7035feb05df13206eb3a283258081bf28b8ebd75","schema_version":"1.0","event_id":"sha256:20fb8a634b5fbbdb905d2d1b7035feb05df13206eb3a283258081bf28b8ebd75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DIBBI3PMKO4YD6DTOZCB7V4Y75/bundle.json","state_url":"https://pith.science/pith/DIBBI3PMKO4YD6DTOZCB7V4Y75/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DIBBI3PMKO4YD6DTOZCB7V4Y75/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":"2026-07-07T10:10:49Z","links":{"resolver":"https://pith.science/pith/DIBBI3PMKO4YD6DTOZCB7V4Y75","bundle":"https://pith.science/pith/DIBBI3PMKO4YD6DTOZCB7V4Y75/bundle.json","state":"https://pith.science/pith/DIBBI3PMKO4YD6DTOZCB7V4Y75/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DIBBI3PMKO4YD6DTOZCB7V4Y75/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DIBBI3PMKO4YD6DTOZCB7V4Y75","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":"20ce0a63940820a606398545e3b8c676b9af9e0ac11a939b368a00a3112df030","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-05-06T09:40:47Z","title_canon_sha256":"2d093051d8fb3b9138c8188ec2a1378b351339d22de3aefa36f4f6d1f04f5780"},"schema_version":"1.0","source":{"id":"2505.03369","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.03369","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"arxiv_version","alias_value":"2505.03369v1","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.03369","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"pith_short_12","alias_value":"DIBBI3PMKO4Y","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"pith_short_16","alias_value":"DIBBI3PMKO4YD6DT","created_at":"2026-07-05T10:59:14Z"},{"alias_kind":"pith_short_8","alias_value":"DIBBI3PM","created_at":"2026-07-05T10:59:14Z"}],"graph_snapshots":[{"event_id":"sha256:20fb8a634b5fbbdb905d2d1b7035feb05df13206eb3a283258081bf28b8ebd75","target":"graph","created_at":"2026-07-05T10:59:14Z","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/2505.03369/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Free play is a fundamental aspect of early childhood education, supporting children's cognitive, social, emotional, and motor development. However, assessing children's development during free play poses significant challenges due to the unstructured and spontaneous nature of the activity. Traditional assessment methods often rely on direct observations by teachers, parents, or researchers, which may fail to capture comprehensive insights from free play and provide timely feedback to educators. This study proposes an innovative approach combining Large Language Models (LLMs) with learning anal","authors_text":"Tianchen Sun, Yangbin Xie, Yuan Shen, Yuanyuan Yang","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-05-06T09:40:47Z","title":"Validating the Effectiveness of a Large Language Model-based Approach for Identifying Children's Development across Various Free Play Settings in Kindergarten"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.03369","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:f3842db017d5cf5082861d8288e70e7ca58b9e8d8d9fc6743bef69fb4a07d16f","target":"record","created_at":"2026-07-05T10:59:14Z","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":"20ce0a63940820a606398545e3b8c676b9af9e0ac11a939b368a00a3112df030","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-05-06T09:40:47Z","title_canon_sha256":"2d093051d8fb3b9138c8188ec2a1378b351339d22de3aefa36f4f6d1f04f5780"},"schema_version":"1.0","source":{"id":"2505.03369","kind":"arxiv","version":1}},"canonical_sha256":"1a02146dec53b981f87376441fd798ff4efcaf76fc5df033153dd2da26c3e7bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a02146dec53b981f87376441fd798ff4efcaf76fc5df033153dd2da26c3e7bb","first_computed_at":"2026-07-05T10:59:14.760485Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:59:14.760485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ltw3EnLzdAH9NZjQZiQXxeIiALOzZI9xLUxqQ0de4XnDPRE/m/6MliLpr5isE6c+c6A5KDvFBBjENMxu++VACA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:59:14.760908Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.03369","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3842db017d5cf5082861d8288e70e7ca58b9e8d8d9fc6743bef69fb4a07d16f","sha256:20fb8a634b5fbbdb905d2d1b7035feb05df13206eb3a283258081bf28b8ebd75"],"state_sha256":"35c92b66b8c4dbd9f9dcbfecfb0e063442403b11c1a5c1698ca4f461bbe66c29"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zhJbmrNa0fgSrJmcINKtApeZTM0+Jav1v4yyRe8MLy0yUk4b/AXWoADHsXZ+1lcI5Imj2395GO2iMDU9NJ3yBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T10:10:49.574282Z","bundle_sha256":"548cf72f69c66d7bf8c7c31a9ff84931e01ba5dfe66f75e3e054a95d9fca4b97"}}