{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5PMCKWLAVE76NF5HJX2PL6N6WG","short_pith_number":"pith:5PMCKWLA","canonical_record":{"source":{"id":"1708.07218","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2017-08-23T23:43:09Z","cross_cats_sorted":[],"title_canon_sha256":"1bdd53cccfda7d25b3a1bcf97a2c572a1acff07caee05f7e26c6c9ed77680e64","abstract_canon_sha256":"8ab07e7c070371b55a97df9abf72500a3b24615561e98ae29db370398304f1e8"},"schema_version":"1.0"},"canonical_sha256":"ebd8255960a93fe697a74df4f5f9beb185039db626fa35bd87c1314c33ba98d2","source":{"kind":"arxiv","id":"1708.07218","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07218","created_at":"2026-05-18T00:36:46Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07218v1","created_at":"2026-05-18T00:36:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07218","created_at":"2026-05-18T00:36:46Z"},{"alias_kind":"pith_short_12","alias_value":"5PMCKWLAVE76","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5PMCKWLAVE76NF5H","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5PMCKWLA","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5PMCKWLAVE76NF5HJX2PL6N6WG","target":"record","payload":{"canonical_record":{"source":{"id":"1708.07218","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2017-08-23T23:43:09Z","cross_cats_sorted":[],"title_canon_sha256":"1bdd53cccfda7d25b3a1bcf97a2c572a1acff07caee05f7e26c6c9ed77680e64","abstract_canon_sha256":"8ab07e7c070371b55a97df9abf72500a3b24615561e98ae29db370398304f1e8"},"schema_version":"1.0"},"canonical_sha256":"ebd8255960a93fe697a74df4f5f9beb185039db626fa35bd87c1314c33ba98d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:46.901505Z","signature_b64":"r6DK7pSDxAt+PgbQICtO3mbcp0ZoDFFyaO8t1Xo2sHVRhi4jSMQWdv7d4xmK3d6O7iZ1FydVoQERnQ4MLxfqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebd8255960a93fe697a74df4f5f9beb185039db626fa35bd87c1314c33ba98d2","last_reissued_at":"2026-05-18T00:36:46.900862Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:46.900862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.07218","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":"2026-05-18T00:36:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CJNDY1aCEcDbcYTdyCPbVX4DvUBkLTeU9G4cmLXxECMUbgNYQyrQEj8NI1WAFJPItvGVeyXaEee7Os3S/hPYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:49:48.536921Z"},"content_sha256":"6f3c91f820e0c6940e2aa3866b2c5f4e2efa1fb28dfec09705d83109c123302f","schema_version":"1.0","event_id":"sha256:6f3c91f820e0c6940e2aa3866b2c5f4e2efa1fb28dfec09705d83109c123302f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5PMCKWLAVE76NF5HJX2PL6N6WG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Object-Based Audio Rendering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SD","authors_text":"Adrian Hilton, Andreas Franck, Chris Pike, Dylan Menzies-Gow, Filippo Fazi, Frank Melchior, Hanne Stenzel, Hansung Kim, James Woodcock, Jon Francombe, Marcos Simon Galvez, Philip Coleman, Philip Jackson, Qingju Liu, Rick Hughes, Teo de Campos, Trevor Cox, Yan Tang","submitted_at":"2017-08-23T23:43:09Z","abstract_excerpt":"Apparatus and methods are disclosed for performing object-based audio rendering on a plurality of audio objects which define a sound scene, each audio object comprising at least one audio signal and associated metadata. The apparatus comprises: a plurality of renderers each capable of rendering one or more of the audio objects to output rendered audio data; and object adapting means for adapting one or more of the plurality of audio objects for a current reproduction scenario, the object adapting means being configured to send the adapted one or more audio objects to one or more of the plurali"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07218","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":"2026-05-18T00:36:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uL11V/rDr6z6OcFJ1/thbY5j+dB5WzvNX+e29Mzz1Q70+Rqb/j/Rg4Ori7Qr8dMLYtO/k4a4zwZ3ywj3xji1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:49:48.537616Z"},"content_sha256":"77020bbcf05fcfaa1c2205abd12bca5b10d797ede1f6fd59fbbd7405e482ca27","schema_version":"1.0","event_id":"sha256:77020bbcf05fcfaa1c2205abd12bca5b10d797ede1f6fd59fbbd7405e482ca27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5PMCKWLAVE76NF5HJX2PL6N6WG/bundle.json","state_url":"https://pith.science/pith/5PMCKWLAVE76NF5HJX2PL6N6WG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5PMCKWLAVE76NF5HJX2PL6N6WG/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":"2026-05-28T16:49:48Z","links":{"resolver":"https://pith.science/pith/5PMCKWLAVE76NF5HJX2PL6N6WG","bundle":"https://pith.science/pith/5PMCKWLAVE76NF5HJX2PL6N6WG/bundle.json","state":"https://pith.science/pith/5PMCKWLAVE76NF5HJX2PL6N6WG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5PMCKWLAVE76NF5HJX2PL6N6WG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5PMCKWLAVE76NF5HJX2PL6N6WG","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":"8ab07e7c070371b55a97df9abf72500a3b24615561e98ae29db370398304f1e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2017-08-23T23:43:09Z","title_canon_sha256":"1bdd53cccfda7d25b3a1bcf97a2c572a1acff07caee05f7e26c6c9ed77680e64"},"schema_version":"1.0","source":{"id":"1708.07218","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07218","created_at":"2026-05-18T00:36:46Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07218v1","created_at":"2026-05-18T00:36:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07218","created_at":"2026-05-18T00:36:46Z"},{"alias_kind":"pith_short_12","alias_value":"5PMCKWLAVE76","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5PMCKWLAVE76NF5H","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5PMCKWLA","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:77020bbcf05fcfaa1c2205abd12bca5b10d797ede1f6fd59fbbd7405e482ca27","target":"graph","created_at":"2026-05-18T00:36:46Z","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"},"paper":{"abstract_excerpt":"Apparatus and methods are disclosed for performing object-based audio rendering on a plurality of audio objects which define a sound scene, each audio object comprising at least one audio signal and associated metadata. The apparatus comprises: a plurality of renderers each capable of rendering one or more of the audio objects to output rendered audio data; and object adapting means for adapting one or more of the plurality of audio objects for a current reproduction scenario, the object adapting means being configured to send the adapted one or more audio objects to one or more of the plurali","authors_text":"Adrian Hilton, Andreas Franck, Chris Pike, Dylan Menzies-Gow, Filippo Fazi, Frank Melchior, Hanne Stenzel, Hansung Kim, James Woodcock, Jon Francombe, Marcos Simon Galvez, Philip Coleman, Philip Jackson, Qingju Liu, Rick Hughes, Teo de Campos, Trevor Cox, Yan Tang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2017-08-23T23:43:09Z","title":"Object-Based Audio Rendering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07218","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":"sha256:6f3c91f820e0c6940e2aa3866b2c5f4e2efa1fb28dfec09705d83109c123302f","target":"record","created_at":"2026-05-18T00:36:46Z","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":"8ab07e7c070371b55a97df9abf72500a3b24615561e98ae29db370398304f1e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2017-08-23T23:43:09Z","title_canon_sha256":"1bdd53cccfda7d25b3a1bcf97a2c572a1acff07caee05f7e26c6c9ed77680e64"},"schema_version":"1.0","source":{"id":"1708.07218","kind":"arxiv","version":1}},"canonical_sha256":"ebd8255960a93fe697a74df4f5f9beb185039db626fa35bd87c1314c33ba98d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ebd8255960a93fe697a74df4f5f9beb185039db626fa35bd87c1314c33ba98d2","first_computed_at":"2026-05-18T00:36:46.900862Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:46.900862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r6DK7pSDxAt+PgbQICtO3mbcp0ZoDFFyaO8t1Xo2sHVRhi4jSMQWdv7d4xmK3d6O7iZ1FydVoQERnQ4MLxfqDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:46.901505Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.07218","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f3c91f820e0c6940e2aa3866b2c5f4e2efa1fb28dfec09705d83109c123302f","sha256:77020bbcf05fcfaa1c2205abd12bca5b10d797ede1f6fd59fbbd7405e482ca27"],"state_sha256":"d903e063a33a1022891e234425cb341e4a099b61078fba2301a409781d7e58dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"14emuORbfPIbFYuuRpJakWYvCaNFRLNqgkIYtCYAO8pcqz7/FKoY9wdYrUofWUOEz7djggXrhDCCGK1cJWfkAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:49:48.541335Z","bundle_sha256":"233b80a5887ea51e2de3d7930b28e030c4cfcb992c8773baaef8e484bf425ba0"}}