{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:SYGTSQGIU3GECHSS2OYXGCRRAO","short_pith_number":"pith:SYGTSQGI","canonical_record":{"source":{"id":"2204.12279","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.AS","submitted_at":"2022-04-25T17:58:13Z","cross_cats_sorted":["cs.CL","cs.LG","cs.SD"],"title_canon_sha256":"950d723b61e7a6cfb9f7c6d9b5167ed56069b9cad42f6367f77233195751ef90","abstract_canon_sha256":"fcc64efb287e138e8c6ace3a7ea34bf08d4017f2ff3bf624bbfa0013bbc88624"},"schema_version":"1.0"},"canonical_sha256":"960d3940c8a6cc411e52d3b1730a3103b54082b7e4850560fd0260fb2892395e","source":{"kind":"arxiv","id":"2204.12279","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.12279","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"arxiv_version","alias_value":"2204.12279v1","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.12279","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"pith_short_12","alias_value":"SYGTSQGIU3GE","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"pith_short_16","alias_value":"SYGTSQGIU3GECHSS","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"pith_short_8","alias_value":"SYGTSQGI","created_at":"2026-07-05T04:17:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:SYGTSQGIU3GECHSS2OYXGCRRAO","target":"record","payload":{"canonical_record":{"source":{"id":"2204.12279","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.AS","submitted_at":"2022-04-25T17:58:13Z","cross_cats_sorted":["cs.CL","cs.LG","cs.SD"],"title_canon_sha256":"950d723b61e7a6cfb9f7c6d9b5167ed56069b9cad42f6367f77233195751ef90","abstract_canon_sha256":"fcc64efb287e138e8c6ace3a7ea34bf08d4017f2ff3bf624bbfa0013bbc88624"},"schema_version":"1.0"},"canonical_sha256":"960d3940c8a6cc411e52d3b1730a3103b54082b7e4850560fd0260fb2892395e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:17:46.338195Z","signature_b64":"oKFjJyS0sqsfNHnkJOFRj4l/JWsKUGk6QCTSAvXBX3FIJcWtITsqhZIi06T7KQ7apz+GpKltkb60GphGmq3xCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"960d3940c8a6cc411e52d3b1730a3103b54082b7e4850560fd0260fb2892395e","last_reissued_at":"2026-07-05T04:17:46.337642Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:17:46.337642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.12279","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":"2026-07-05T04:17:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IO+27IP4KC4vegAAyhyysxUKeCxq/sJHXdhbNWuuQO933QcUZJh5+Kt0fmmVqtCSPC+zu5+qJ/yD0bvhdlSzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:46:54.095677Z"},"content_sha256":"f395bc838f7b0e215397866143afc696ffad570319d9884093dabef22905f4d3","schema_version":"1.0","event_id":"sha256:f395bc838f7b0e215397866143afc696ffad570319d9884093dabef22905f4d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:SYGTSQGIU3GECHSS2OYXGCRRAO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-dimensional representation of infant and adult vocalization acoustics","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.CL","cs.LG","cs.SD"],"primary_cat":"eess.AS","authors_text":"Anne S. Warlaumont, Christopher T. Kello, Sara Schneider, Silvia Pagliarini","submitted_at":"2022-04-25T17:58:13Z","abstract_excerpt":"During the first years of life, infant vocalizations change considerably, as infants develop the vocalization skills that enable them to produce speech sounds. Characterizations based on specific acoustic features, protophone categories, or phonetic transcription are able to provide a representation of the sounds infants make at different ages and in different contexts but do not fully describe how sounds are perceived by listeners, can be inefficient to obtain at large scales, and are difficult to visualize in two dimensions without additional statistical processing. Machine-learning-based ap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.12279","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/2204.12279/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":"2026-07-05T04:17:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oN6U1/96qyou+ASA0FNl6xuiHSaD6PJmyVfmkW3EhXDtBR+Hw/1ci+n0WeZOOhdhshO+dGFQq3OD19SUL8YuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:46:54.096199Z"},"content_sha256":"13101696ba24a1131d2021e61a8d0d4f43235a79074e60d61f5c6b9001e929f1","schema_version":"1.0","event_id":"sha256:13101696ba24a1131d2021e61a8d0d4f43235a79074e60d61f5c6b9001e929f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SYGTSQGIU3GECHSS2OYXGCRRAO/bundle.json","state_url":"https://pith.science/pith/SYGTSQGIU3GECHSS2OYXGCRRAO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SYGTSQGIU3GECHSS2OYXGCRRAO/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":"2026-08-23T17:46:54Z","links":{"resolver":"https://pith.science/pith/SYGTSQGIU3GECHSS2OYXGCRRAO","bundle":"https://pith.science/pith/SYGTSQGIU3GECHSS2OYXGCRRAO/bundle.json","state":"https://pith.science/pith/SYGTSQGIU3GECHSS2OYXGCRRAO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SYGTSQGIU3GECHSS2OYXGCRRAO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:SYGTSQGIU3GECHSS2OYXGCRRAO","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":"fcc64efb287e138e8c6ace3a7ea34bf08d4017f2ff3bf624bbfa0013bbc88624","cross_cats_sorted":["cs.CL","cs.LG","cs.SD"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.AS","submitted_at":"2022-04-25T17:58:13Z","title_canon_sha256":"950d723b61e7a6cfb9f7c6d9b5167ed56069b9cad42f6367f77233195751ef90"},"schema_version":"1.0","source":{"id":"2204.12279","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.12279","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"arxiv_version","alias_value":"2204.12279v1","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.12279","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"pith_short_12","alias_value":"SYGTSQGIU3GE","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"pith_short_16","alias_value":"SYGTSQGIU3GECHSS","created_at":"2026-07-05T04:17:46Z"},{"alias_kind":"pith_short_8","alias_value":"SYGTSQGI","created_at":"2026-07-05T04:17:46Z"}],"graph_snapshots":[{"event_id":"sha256:13101696ba24a1131d2021e61a8d0d4f43235a79074e60d61f5c6b9001e929f1","target":"graph","created_at":"2026-07-05T04:17:46Z","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/2204.12279/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"During the first years of life, infant vocalizations change considerably, as infants develop the vocalization skills that enable them to produce speech sounds. Characterizations based on specific acoustic features, protophone categories, or phonetic transcription are able to provide a representation of the sounds infants make at different ages and in different contexts but do not fully describe how sounds are perceived by listeners, can be inefficient to obtain at large scales, and are difficult to visualize in two dimensions without additional statistical processing. Machine-learning-based ap","authors_text":"Anne S. Warlaumont, Christopher T. Kello, Sara Schneider, Silvia Pagliarini","cross_cats":["cs.CL","cs.LG","cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.AS","submitted_at":"2022-04-25T17:58:13Z","title":"Low-dimensional representation of infant and adult vocalization acoustics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.12279","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:f395bc838f7b0e215397866143afc696ffad570319d9884093dabef22905f4d3","target":"record","created_at":"2026-07-05T04:17:46Z","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":"fcc64efb287e138e8c6ace3a7ea34bf08d4017f2ff3bf624bbfa0013bbc88624","cross_cats_sorted":["cs.CL","cs.LG","cs.SD"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.AS","submitted_at":"2022-04-25T17:58:13Z","title_canon_sha256":"950d723b61e7a6cfb9f7c6d9b5167ed56069b9cad42f6367f77233195751ef90"},"schema_version":"1.0","source":{"id":"2204.12279","kind":"arxiv","version":1}},"canonical_sha256":"960d3940c8a6cc411e52d3b1730a3103b54082b7e4850560fd0260fb2892395e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"960d3940c8a6cc411e52d3b1730a3103b54082b7e4850560fd0260fb2892395e","first_computed_at":"2026-07-05T04:17:46.337642Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:17:46.337642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oKFjJyS0sqsfNHnkJOFRj4l/JWsKUGk6QCTSAvXBX3FIJcWtITsqhZIi06T7KQ7apz+GpKltkb60GphGmq3xCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:17:46.338195Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.12279","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f395bc838f7b0e215397866143afc696ffad570319d9884093dabef22905f4d3","sha256:13101696ba24a1131d2021e61a8d0d4f43235a79074e60d61f5c6b9001e929f1"],"state_sha256":"639579ccbadd42d81a1af6ca7c9b546866433ddeeb3b63da626fcddc42f12440"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JPdFqyUbiDnzTxRyWjl8e9B7sQGp3RZoiMx9jYUVok2dPGj4ihhkV+5C6jLNvu3y0DgEvQhq/hhVwTIePK5VAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T17:46:54.100168Z","bundle_sha256":"4c25d5cd47cdd072d98f2b338928c96f227a1e0f5fb1c27b53c9939ff40b0461"}}