{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:S3JXDDK5KKRFDHERCPB55ZGDRY","short_pith_number":"pith:S3JXDDK5","canonical_record":{"source":{"id":"2402.14641","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.NC","submitted_at":"2024-02-22T15:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"e3fbbb243402f0fb8b57acb49fb01522a3e1fcf49f08a2d6570fcd303b25f1f0","abstract_canon_sha256":"9ce4d376dfc3227d280d5b386dcf042a9c9d5d631fd89242786823fff63dde0d"},"schema_version":"1.0"},"canonical_sha256":"96d3718d5d52a2519c9113c3dee4c38e241b34fb941846552029287db0b5aa2f","source":{"kind":"arxiv","id":"2402.14641","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.14641","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"2402.14641v1","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.14641","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"S3JXDDK5KKRF","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"pith_short_16","alias_value":"S3JXDDK5KKRFDHER","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"pith_short_8","alias_value":"S3JXDDK5","created_at":"2026-07-05T07:48:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:S3JXDDK5KKRFDHERCPB55ZGDRY","target":"record","payload":{"canonical_record":{"source":{"id":"2402.14641","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.NC","submitted_at":"2024-02-22T15:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"e3fbbb243402f0fb8b57acb49fb01522a3e1fcf49f08a2d6570fcd303b25f1f0","abstract_canon_sha256":"9ce4d376dfc3227d280d5b386dcf042a9c9d5d631fd89242786823fff63dde0d"},"schema_version":"1.0"},"canonical_sha256":"96d3718d5d52a2519c9113c3dee4c38e241b34fb941846552029287db0b5aa2f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:48:13.288349Z","signature_b64":"L2fvE3rxmNKrcDnA34P7t9BQbjblpEjB82kMqhw9emTPcUuXSlYpQkYVEklJy603hDOzaCEH8bDMag1EgU64BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96d3718d5d52a2519c9113c3dee4c38e241b34fb941846552029287db0b5aa2f","last_reissued_at":"2026-07-05T07:48:13.287852Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:48:13.287852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.14641","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":"2026-07-05T07:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Xcpo4OqHYAvHln/4GsOxE01mD17nohEMDBSOx6HwOqE4IOVyj8qMpMtgoyjXML3rCSbCLzc80w2czjr0tlQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T22:01:16.547618Z"},"content_sha256":"c600a437f39b46dda24814d41ba2e1a5ce0951496e0a329f8d545abac017ca8e","schema_version":"1.0","event_id":"sha256:c600a437f39b46dda24814d41ba2e1a5ce0951496e0a329f8d545abac017ca8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:S3JXDDK5KKRFDHERCPB55ZGDRY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Object permanence in newborn chicks is robust against opposing evidence","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Brian W. Wood, Elizabeth S. Spelke, Justin N. Wood, Samantha M. W. Wood, Tomer D. Ullman","submitted_at":"2024-02-22T15:39:29Z","abstract_excerpt":"Newborn animals have advanced perceptual skills at birth, but the nature of this initial knowledge is unknown. Is initial knowledge flexible, continuously adapting to the statistics of experience? Or can initial knowledge be rigid and robust to change, even in the face of opposing evidence? We address this question through controlled-rearing experiments on newborn chicks. First, we reared chicks in an impoverished virtual world, where objects never occluded one another, and found that chicks still succeed on object permanence tasks. Second, we reared chicks in a virtual world in which objects "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.14641","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/2402.14641/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":"2026-07-05T07:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tdXnYpmltPIXwnxThpCUaOLJBk1TV2V1lESX+ojvUwCP2eJ1TAIHSdAcdg5FV0mN0quaFB/3ew3N10wgSI2pCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T22:01:16.548158Z"},"content_sha256":"ca184f1dceba6a2e802003b5cc88194416d179abf9461663b19bea838b23a256","schema_version":"1.0","event_id":"sha256:ca184f1dceba6a2e802003b5cc88194416d179abf9461663b19bea838b23a256"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S3JXDDK5KKRFDHERCPB55ZGDRY/bundle.json","state_url":"https://pith.science/pith/S3JXDDK5KKRFDHERCPB55ZGDRY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S3JXDDK5KKRFDHERCPB55ZGDRY/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":"2026-08-13T22:01:16Z","links":{"resolver":"https://pith.science/pith/S3JXDDK5KKRFDHERCPB55ZGDRY","bundle":"https://pith.science/pith/S3JXDDK5KKRFDHERCPB55ZGDRY/bundle.json","state":"https://pith.science/pith/S3JXDDK5KKRFDHERCPB55ZGDRY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S3JXDDK5KKRFDHERCPB55ZGDRY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:S3JXDDK5KKRFDHERCPB55ZGDRY","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":"9ce4d376dfc3227d280d5b386dcf042a9c9d5d631fd89242786823fff63dde0d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.NC","submitted_at":"2024-02-22T15:39:29Z","title_canon_sha256":"e3fbbb243402f0fb8b57acb49fb01522a3e1fcf49f08a2d6570fcd303b25f1f0"},"schema_version":"1.0","source":{"id":"2402.14641","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.14641","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"2402.14641v1","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.14641","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"S3JXDDK5KKRF","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"pith_short_16","alias_value":"S3JXDDK5KKRFDHER","created_at":"2026-07-05T07:48:13Z"},{"alias_kind":"pith_short_8","alias_value":"S3JXDDK5","created_at":"2026-07-05T07:48:13Z"}],"graph_snapshots":[{"event_id":"sha256:ca184f1dceba6a2e802003b5cc88194416d179abf9461663b19bea838b23a256","target":"graph","created_at":"2026-07-05T07:48:13Z","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/2402.14641/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Newborn animals have advanced perceptual skills at birth, but the nature of this initial knowledge is unknown. Is initial knowledge flexible, continuously adapting to the statistics of experience? Or can initial knowledge be rigid and robust to change, even in the face of opposing evidence? We address this question through controlled-rearing experiments on newborn chicks. First, we reared chicks in an impoverished virtual world, where objects never occluded one another, and found that chicks still succeed on object permanence tasks. Second, we reared chicks in a virtual world in which objects ","authors_text":"Brian W. Wood, Elizabeth S. Spelke, Justin N. Wood, Samantha M. W. Wood, Tomer D. Ullman","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.NC","submitted_at":"2024-02-22T15:39:29Z","title":"Object permanence in newborn chicks is robust against opposing evidence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.14641","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:c600a437f39b46dda24814d41ba2e1a5ce0951496e0a329f8d545abac017ca8e","target":"record","created_at":"2026-07-05T07:48:13Z","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":"9ce4d376dfc3227d280d5b386dcf042a9c9d5d631fd89242786823fff63dde0d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.NC","submitted_at":"2024-02-22T15:39:29Z","title_canon_sha256":"e3fbbb243402f0fb8b57acb49fb01522a3e1fcf49f08a2d6570fcd303b25f1f0"},"schema_version":"1.0","source":{"id":"2402.14641","kind":"arxiv","version":1}},"canonical_sha256":"96d3718d5d52a2519c9113c3dee4c38e241b34fb941846552029287db0b5aa2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96d3718d5d52a2519c9113c3dee4c38e241b34fb941846552029287db0b5aa2f","first_computed_at":"2026-07-05T07:48:13.287852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:48:13.287852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L2fvE3rxmNKrcDnA34P7t9BQbjblpEjB82kMqhw9emTPcUuXSlYpQkYVEklJy603hDOzaCEH8bDMag1EgU64BA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:48:13.288349Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.14641","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c600a437f39b46dda24814d41ba2e1a5ce0951496e0a329f8d545abac017ca8e","sha256:ca184f1dceba6a2e802003b5cc88194416d179abf9461663b19bea838b23a256"],"state_sha256":"07b6755782c72ad33618d23acee59ec01465fd0ab871a3b927c6f8a32eb9d6a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XMOyV5AEnINIPQz+ysFiDlS0ciKydh9oMgNtqNLOHG9VXOHJYCHKU6ZE+3pUGXcEL0dWMrCmeDbVEv4n77ZDDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T22:01:16.553083Z","bundle_sha256":"10aed41a3f79d4a9670c980051f7adc2c0e4c397e34b566b72a423840d2f14ce"}}