{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:U3GIWILFQN7JWJ2WLDU243E2X7","short_pith_number":"pith:U3GIWILF","canonical_record":{"source":{"id":"2505.22455","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-05-28T15:12:53Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"b5e30d1c88461c616e49d3cf44561c49e1884a6a4e8681089f56b72eb7e6dbc7","abstract_canon_sha256":"cb410ab4e8ccfd403ae0f9216cae56a5158d9c41bed3eef8c1fbd8c5038f81de"},"schema_version":"1.0"},"canonical_sha256":"a6cc8b2165837e9b275658e9ae6c9abfe970194858efd9c381b14fc8bb255625","source":{"kind":"arxiv","id":"2505.22455","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.22455","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"arxiv_version","alias_value":"2505.22455v1","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22455","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"pith_short_12","alias_value":"U3GIWILFQN7J","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"pith_short_16","alias_value":"U3GIWILFQN7JWJ2W","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"pith_short_8","alias_value":"U3GIWILF","created_at":"2026-07-05T11:11:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:U3GIWILFQN7JWJ2WLDU243E2X7","target":"record","payload":{"canonical_record":{"source":{"id":"2505.22455","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-05-28T15:12:53Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"b5e30d1c88461c616e49d3cf44561c49e1884a6a4e8681089f56b72eb7e6dbc7","abstract_canon_sha256":"cb410ab4e8ccfd403ae0f9216cae56a5158d9c41bed3eef8c1fbd8c5038f81de"},"schema_version":"1.0"},"canonical_sha256":"a6cc8b2165837e9b275658e9ae6c9abfe970194858efd9c381b14fc8bb255625","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:24.368704Z","signature_b64":"OXXCPxeyfEMW6eHN3JMiwsFVEJOUlAH44EA5puPwK4Rg98HsRe6iJghveGosdzS3zgveCBIJ+ftsgFU1Io85DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6cc8b2165837e9b275658e9ae6c9abfe970194858efd9c381b14fc8bb255625","last_reissued_at":"2026-07-05T11:11:24.368093Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:24.368093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.22455","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":"2026-07-05T11:11:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OIA+Y6mFmXi4xiP2Jy/2o25hg4/OxQsW/jGtf5rqBmNF6jONRq+Cm8i6wNWjXCi5D5Xe/BAIPOmwy79KJdvrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T16:22:17.331890Z"},"content_sha256":"28d02604a7d88279c69fd26cabfa206aec7e4eb9cf028981bbfbf20e7c5217dc","schema_version":"1.0","event_id":"sha256:28d02604a7d88279c69fd26cabfa206aec7e4eb9cf028981bbfbf20e7c5217dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:U3GIWILFQN7JWJ2WLDU243E2X7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Articulatory modeling of the S-shaped F2 trajectories observed in \\\"Ohman's spectrographic analysis of VCV syllables","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Fr\\'ed\\'eric Berthommier","submitted_at":"2025-05-28T15:12:53Z","abstract_excerpt":"The synthesis of Ohman's VCV sequences with intervocalic plosive consonants was first achieved 30 years ago using the DRM model. However, this approach remains primarily acoustic and lacks articulatory constraints. In this study, the same 75 VCVs are analyzed, but generated with the Maeda model, using trajectory planning that differentiates vowel-to-vowel transitions from consonantal influences. Synthetic data exhibit similar characteristics to Ohman's sequences, including the presence of S-shaped F2 trajectories. Furthermore, locus equations (LEs) for F2 and F3 are computed from synthetic CV "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22455","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/2505.22455/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":"2026-07-05T11:11:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CIp59nGfFUfzAOwZCxsvzm43OOeQ9zNXxQTB4vRXFdpmnbMl6EfB/pwNFFXu8yt5jz8h0Cbuuxx6b+ZFwgGDAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T16:22:17.332514Z"},"content_sha256":"be8f5616677c31c0c61c3175bfa3d247ee3b6d43b679445d0f1c924dbc725e28","schema_version":"1.0","event_id":"sha256:be8f5616677c31c0c61c3175bfa3d247ee3b6d43b679445d0f1c924dbc725e28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U3GIWILFQN7JWJ2WLDU243E2X7/bundle.json","state_url":"https://pith.science/pith/U3GIWILFQN7JWJ2WLDU243E2X7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U3GIWILFQN7JWJ2WLDU243E2X7/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":"2026-08-08T16:22:17Z","links":{"resolver":"https://pith.science/pith/U3GIWILFQN7JWJ2WLDU243E2X7","bundle":"https://pith.science/pith/U3GIWILFQN7JWJ2WLDU243E2X7/bundle.json","state":"https://pith.science/pith/U3GIWILFQN7JWJ2WLDU243E2X7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U3GIWILFQN7JWJ2WLDU243E2X7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:U3GIWILFQN7JWJ2WLDU243E2X7","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":"cb410ab4e8ccfd403ae0f9216cae56a5158d9c41bed3eef8c1fbd8c5038f81de","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-05-28T15:12:53Z","title_canon_sha256":"b5e30d1c88461c616e49d3cf44561c49e1884a6a4e8681089f56b72eb7e6dbc7"},"schema_version":"1.0","source":{"id":"2505.22455","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.22455","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"arxiv_version","alias_value":"2505.22455v1","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22455","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"pith_short_12","alias_value":"U3GIWILFQN7J","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"pith_short_16","alias_value":"U3GIWILFQN7JWJ2W","created_at":"2026-07-05T11:11:24Z"},{"alias_kind":"pith_short_8","alias_value":"U3GIWILF","created_at":"2026-07-05T11:11:24Z"}],"graph_snapshots":[{"event_id":"sha256:be8f5616677c31c0c61c3175bfa3d247ee3b6d43b679445d0f1c924dbc725e28","target":"graph","created_at":"2026-07-05T11:11:24Z","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/2505.22455/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The synthesis of Ohman's VCV sequences with intervocalic plosive consonants was first achieved 30 years ago using the DRM model. However, this approach remains primarily acoustic and lacks articulatory constraints. In this study, the same 75 VCVs are analyzed, but generated with the Maeda model, using trajectory planning that differentiates vowel-to-vowel transitions from consonantal influences. Synthetic data exhibit similar characteristics to Ohman's sequences, including the presence of S-shaped F2 trajectories. Furthermore, locus equations (LEs) for F2 and F3 are computed from synthetic CV ","authors_text":"Fr\\'ed\\'eric Berthommier","cross_cats":["cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-05-28T15:12:53Z","title":"Articulatory modeling of the S-shaped F2 trajectories observed in \\\"Ohman's spectrographic analysis of VCV syllables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22455","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":"sha256:28d02604a7d88279c69fd26cabfa206aec7e4eb9cf028981bbfbf20e7c5217dc","target":"record","created_at":"2026-07-05T11:11:24Z","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":"cb410ab4e8ccfd403ae0f9216cae56a5158d9c41bed3eef8c1fbd8c5038f81de","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2025-05-28T15:12:53Z","title_canon_sha256":"b5e30d1c88461c616e49d3cf44561c49e1884a6a4e8681089f56b72eb7e6dbc7"},"schema_version":"1.0","source":{"id":"2505.22455","kind":"arxiv","version":1}},"canonical_sha256":"a6cc8b2165837e9b275658e9ae6c9abfe970194858efd9c381b14fc8bb255625","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a6cc8b2165837e9b275658e9ae6c9abfe970194858efd9c381b14fc8bb255625","first_computed_at":"2026-07-05T11:11:24.368093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:24.368093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OXXCPxeyfEMW6eHN3JMiwsFVEJOUlAH44EA5puPwK4Rg98HsRe6iJghveGosdzS3zgveCBIJ+ftsgFU1Io85DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:24.368704Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.22455","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28d02604a7d88279c69fd26cabfa206aec7e4eb9cf028981bbfbf20e7c5217dc","sha256:be8f5616677c31c0c61c3175bfa3d247ee3b6d43b679445d0f1c924dbc725e28"],"state_sha256":"2cd8e63d7281000886fc73d3d16fc9571d2a7e54d7300b6655cfa551b8f9a335"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iUTVNpYOrCbO3E3R8ELpEgpkqRNqK6AhomxnQAqsyY0aJPM81QaHvgJLy5A9VOhkVnTiYnxnEMr2Hy9QTDgDDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T16:22:17.338985Z","bundle_sha256":"3c35e7eb264fda03bbfeb5f387edfbb39db61c90e26c2d542f4aebf7080ee767"}}