{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NA5BZXMPERNRXMTSPQSRUB6DME","short_pith_number":"pith:NA5BZXMP","canonical_record":{"source":{"id":"1902.06880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-02-19T03:53:30Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"202b2600fe7379475f75e7a02eb9f632dd1ed9fdb56bd276fdb39f4d5ba82863","abstract_canon_sha256":"6870389aeebcc867d679d1af880c855acb6fe6bd3bbc4bd96b9cbe95137da2bc"},"schema_version":"1.0"},"canonical_sha256":"683a1cdd8f245b1bb2727c251a07c3612add7d2a138906d0bff571c89a78f60f","source":{"kind":"arxiv","id":"1902.06880","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06880","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06880v1","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06880","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"NA5BZXMPERNR","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NA5BZXMPERNRXMTS","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NA5BZXMP","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NA5BZXMPERNRXMTSPQSRUB6DME","target":"record","payload":{"canonical_record":{"source":{"id":"1902.06880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-02-19T03:53:30Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"202b2600fe7379475f75e7a02eb9f632dd1ed9fdb56bd276fdb39f4d5ba82863","abstract_canon_sha256":"6870389aeebcc867d679d1af880c855acb6fe6bd3bbc4bd96b9cbe95137da2bc"},"schema_version":"1.0"},"canonical_sha256":"683a1cdd8f245b1bb2727c251a07c3612add7d2a138906d0bff571c89a78f60f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:40.529573Z","signature_b64":"VTECMKxg9WL4Cr7s5FaP5f1JE6RiJPLm3calPIu70fsqdhqeLfaBjiw9xBFYubswvBspe7EBhzIjigbDiTNYAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"683a1cdd8f245b1bb2727c251a07c3612add7d2a138906d0bff571c89a78f60f","last_reissued_at":"2026-05-17T23:53:40.529102Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:40.529102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.06880","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":"2026-05-17T23:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7VXZOWq697YdHtxI1Nu1/So2h0rR5aBWD1cBf+LT9TK17LM++Uqtiasrh0ykatkw2x5mXIOr49UjXpMPvbdkAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:34:27.050230Z"},"content_sha256":"877cbd3124152c39e2fe6bafac85dd3bf05c10e93e4f56b04ff35b4749bf3ebd","schema_version":"1.0","event_id":"sha256:877cbd3124152c39e2fe6bafac85dd3bf05c10e93e4f56b04ff35b4749bf3ebd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NA5BZXMPERNRXMTSPQSRUB6DME","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"P-Reverb: Perceptual Characterization of Early and Late Reflections for Auditory Displays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"Atul Rungta, Dinesh Manocha, Nicholas Rewkowski, Roberta Klatzky","submitted_at":"2019-02-19T03:53:30Z","abstract_excerpt":"We introduce a novel, perceptually derived metric (P-Reverb) that relates the just-noticeable difference (JND) of the early sound field(also called early reflections) to the late sound field (known as late reflections or reverberation). Early and late reflections are crucial components of the sound field and provide multiple perceptual cues for auditory displays. We conduct two extensive user evaluations that relate the JNDs of early reflections and late reverberation in terms of the mean-free path of the environment and present a novel P-Reverb metric. Our metric is used to estimate dynamic r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06880","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":""},"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":"2026-05-17T23:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZD2ZimlchcbAGnbljgZeO4GoF6mFzBQ1thaOXOPimA5TsQwN8w34OoFCryJJ9twTticvRDzje6GVV7hrDgKbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:34:27.050903Z"},"content_sha256":"d7f60d425705a99e698e8951403a652b8693746a47dbf7447d633c6496402b63","schema_version":"1.0","event_id":"sha256:d7f60d425705a99e698e8951403a652b8693746a47dbf7447d633c6496402b63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NA5BZXMPERNRXMTSPQSRUB6DME/bundle.json","state_url":"https://pith.science/pith/NA5BZXMPERNRXMTSPQSRUB6DME/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NA5BZXMPERNRXMTSPQSRUB6DME/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":"2026-06-10T23:34:27Z","links":{"resolver":"https://pith.science/pith/NA5BZXMPERNRXMTSPQSRUB6DME","bundle":"https://pith.science/pith/NA5BZXMPERNRXMTSPQSRUB6DME/bundle.json","state":"https://pith.science/pith/NA5BZXMPERNRXMTSPQSRUB6DME/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NA5BZXMPERNRXMTSPQSRUB6DME/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NA5BZXMPERNRXMTSPQSRUB6DME","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":"6870389aeebcc867d679d1af880c855acb6fe6bd3bbc4bd96b9cbe95137da2bc","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-02-19T03:53:30Z","title_canon_sha256":"202b2600fe7379475f75e7a02eb9f632dd1ed9fdb56bd276fdb39f4d5ba82863"},"schema_version":"1.0","source":{"id":"1902.06880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06880","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06880v1","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06880","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"NA5BZXMPERNR","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NA5BZXMPERNRXMTS","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NA5BZXMP","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:d7f60d425705a99e698e8951403a652b8693746a47dbf7447d633c6496402b63","target":"graph","created_at":"2026-05-17T23:53:40Z","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"},"paper":{"abstract_excerpt":"We introduce a novel, perceptually derived metric (P-Reverb) that relates the just-noticeable difference (JND) of the early sound field(also called early reflections) to the late sound field (known as late reflections or reverberation). Early and late reflections are crucial components of the sound field and provide multiple perceptual cues for auditory displays. We conduct two extensive user evaluations that relate the JNDs of early reflections and late reverberation in terms of the mean-free path of the environment and present a novel P-Reverb metric. Our metric is used to estimate dynamic r","authors_text":"Atul Rungta, Dinesh Manocha, Nicholas Rewkowski, Roberta Klatzky","cross_cats":["eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-02-19T03:53:30Z","title":"P-Reverb: Perceptual Characterization of Early and Late Reflections for Auditory Displays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06880","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":"sha256:877cbd3124152c39e2fe6bafac85dd3bf05c10e93e4f56b04ff35b4749bf3ebd","target":"record","created_at":"2026-05-17T23:53:40Z","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":"6870389aeebcc867d679d1af880c855acb6fe6bd3bbc4bd96b9cbe95137da2bc","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-02-19T03:53:30Z","title_canon_sha256":"202b2600fe7379475f75e7a02eb9f632dd1ed9fdb56bd276fdb39f4d5ba82863"},"schema_version":"1.0","source":{"id":"1902.06880","kind":"arxiv","version":1}},"canonical_sha256":"683a1cdd8f245b1bb2727c251a07c3612add7d2a138906d0bff571c89a78f60f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"683a1cdd8f245b1bb2727c251a07c3612add7d2a138906d0bff571c89a78f60f","first_computed_at":"2026-05-17T23:53:40.529102Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:40.529102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VTECMKxg9WL4Cr7s5FaP5f1JE6RiJPLm3calPIu70fsqdhqeLfaBjiw9xBFYubswvBspe7EBhzIjigbDiTNYAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:40.529573Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.06880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:877cbd3124152c39e2fe6bafac85dd3bf05c10e93e4f56b04ff35b4749bf3ebd","sha256:d7f60d425705a99e698e8951403a652b8693746a47dbf7447d633c6496402b63"],"state_sha256":"5947d3f67eeffd31cd428604cb6010ff07b167db124da91139a9c026f242f02d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"woVFSp7I9FdckQi0KPMi6jYMMs/pEbWiBEfd6s4x4dht8PlZIC20uz+Q3SHVlrd0sOF2SFlWSjFiSEeOI4FqCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T23:34:27.054761Z","bundle_sha256":"30c6e2c5a723fb018878fd5e63e037d1265b0baaf213fe6c64df875e0d41c903"}}