{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DTT2CTTGZSVN4DX32XAALBCQWN","short_pith_number":"pith:DTT2CTTG","canonical_record":{"source":{"id":"1512.08512","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-12-28T20:56:50Z","cross_cats_sorted":["cs.LG","cs.SD"],"title_canon_sha256":"20080c07fa82592c777427cde12363f7f5db1b19064e096d95510b9c768fefee","abstract_canon_sha256":"bc3b3f76ec7df9e549232ce8b86ed296dc3ea5593bb17401153970a5fbc22f65"},"schema_version":"1.0"},"canonical_sha256":"1ce7a14e66ccaade0efbd5c0058450b3447b11c6df501d246d72f1df5f854171","source":{"kind":"arxiv","id":"1512.08512","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.08512","created_at":"2026-05-18T01:15:57Z"},{"alias_kind":"arxiv_version","alias_value":"1512.08512v2","created_at":"2026-05-18T01:15:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.08512","created_at":"2026-05-18T01:15:57Z"},{"alias_kind":"pith_short_12","alias_value":"DTT2CTTGZSVN","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DTT2CTTGZSVN4DX3","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DTT2CTTG","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DTT2CTTGZSVN4DX32XAALBCQWN","target":"record","payload":{"canonical_record":{"source":{"id":"1512.08512","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-12-28T20:56:50Z","cross_cats_sorted":["cs.LG","cs.SD"],"title_canon_sha256":"20080c07fa82592c777427cde12363f7f5db1b19064e096d95510b9c768fefee","abstract_canon_sha256":"bc3b3f76ec7df9e549232ce8b86ed296dc3ea5593bb17401153970a5fbc22f65"},"schema_version":"1.0"},"canonical_sha256":"1ce7a14e66ccaade0efbd5c0058450b3447b11c6df501d246d72f1df5f854171","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:57.776066Z","signature_b64":"icQ/FYheGIQGazzr0f8Otegv3/oTkKCTuA3W6xCGp/CuyOIx1CB9SRfuzOQmYgqHiDPS0gr1c2Pb901oet28CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ce7a14e66ccaade0efbd5c0058450b3447b11c6df501d246d72f1df5f854171","last_reissued_at":"2026-05-18T01:15:57.775505Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:57.775505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.08512","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:15:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"38vyXabnuWpJJwgEKE3x1FVACARz4pTBdNKNo2jKX084v/8Prqh4OomcNH4T/qjoFWCOb6xcvSR/3bGl67+pCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:40:37.656869Z"},"content_sha256":"77b9825ef05afdf040170d818c01816b8490e00bfd2efb7c89e6df3993425eab","schema_version":"1.0","event_id":"sha256:77b9825ef05afdf040170d818c01816b8490e00bfd2efb7c89e6df3993425eab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DTT2CTTGZSVN4DX32XAALBCQWN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visually Indicated Sounds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","cs.SD"],"primary_cat":"cs.CV","authors_text":"Andrew Owens, Antonio Torralba, Edward H. Adelson, Josh McDermott, Phillip Isola, William T. Freeman","submitted_at":"2015-12-28T20:56:50Z","abstract_excerpt":"Objects make distinctive sounds when they are hit or scratched. These sounds reveal aspects of an object's material properties, as well as the actions that produced them. In this paper, we propose the task of predicting what sound an object makes when struck as a way of studying physical interactions within a visual scene. We present an algorithm that synthesizes sound from silent videos of people hitting and scratching objects with a drumstick. This algorithm uses a recurrent neural network to predict sound features from videos and then produces a waveform from these features with an example-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.08512","kind":"arxiv","version":2},"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":"2026-05-18T01:15:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5s1aLOWRBi96PkV29zYYkeTNlV8n65NY3kIq/21zog5A2PIHCf+moTxQ+7tHjx57ijjNSF2TmLu8/EiwDSAHAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:40:37.657215Z"},"content_sha256":"3a49234fd956840b795f69f33c55e06fe55bb619344449353dfd812188cb8881","schema_version":"1.0","event_id":"sha256:3a49234fd956840b795f69f33c55e06fe55bb619344449353dfd812188cb8881"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DTT2CTTGZSVN4DX32XAALBCQWN/bundle.json","state_url":"https://pith.science/pith/DTT2CTTGZSVN4DX32XAALBCQWN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DTT2CTTGZSVN4DX32XAALBCQWN/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":"2026-05-28T09:40:37Z","links":{"resolver":"https://pith.science/pith/DTT2CTTGZSVN4DX32XAALBCQWN","bundle":"https://pith.science/pith/DTT2CTTGZSVN4DX32XAALBCQWN/bundle.json","state":"https://pith.science/pith/DTT2CTTGZSVN4DX32XAALBCQWN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DTT2CTTGZSVN4DX32XAALBCQWN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DTT2CTTGZSVN4DX32XAALBCQWN","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":"bc3b3f76ec7df9e549232ce8b86ed296dc3ea5593bb17401153970a5fbc22f65","cross_cats_sorted":["cs.LG","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-12-28T20:56:50Z","title_canon_sha256":"20080c07fa82592c777427cde12363f7f5db1b19064e096d95510b9c768fefee"},"schema_version":"1.0","source":{"id":"1512.08512","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.08512","created_at":"2026-05-18T01:15:57Z"},{"alias_kind":"arxiv_version","alias_value":"1512.08512v2","created_at":"2026-05-18T01:15:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.08512","created_at":"2026-05-18T01:15:57Z"},{"alias_kind":"pith_short_12","alias_value":"DTT2CTTGZSVN","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DTT2CTTGZSVN4DX3","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DTT2CTTG","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:3a49234fd956840b795f69f33c55e06fe55bb619344449353dfd812188cb8881","target":"graph","created_at":"2026-05-18T01:15:57Z","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":"Objects make distinctive sounds when they are hit or scratched. These sounds reveal aspects of an object's material properties, as well as the actions that produced them. In this paper, we propose the task of predicting what sound an object makes when struck as a way of studying physical interactions within a visual scene. We present an algorithm that synthesizes sound from silent videos of people hitting and scratching objects with a drumstick. This algorithm uses a recurrent neural network to predict sound features from videos and then produces a waveform from these features with an example-","authors_text":"Andrew Owens, Antonio Torralba, Edward H. Adelson, Josh McDermott, Phillip Isola, William T. Freeman","cross_cats":["cs.LG","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-12-28T20:56:50Z","title":"Visually Indicated Sounds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.08512","kind":"arxiv","version":2},"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":"sha256:77b9825ef05afdf040170d818c01816b8490e00bfd2efb7c89e6df3993425eab","target":"record","created_at":"2026-05-18T01:15:57Z","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":"bc3b3f76ec7df9e549232ce8b86ed296dc3ea5593bb17401153970a5fbc22f65","cross_cats_sorted":["cs.LG","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-12-28T20:56:50Z","title_canon_sha256":"20080c07fa82592c777427cde12363f7f5db1b19064e096d95510b9c768fefee"},"schema_version":"1.0","source":{"id":"1512.08512","kind":"arxiv","version":2}},"canonical_sha256":"1ce7a14e66ccaade0efbd5c0058450b3447b11c6df501d246d72f1df5f854171","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ce7a14e66ccaade0efbd5c0058450b3447b11c6df501d246d72f1df5f854171","first_computed_at":"2026-05-18T01:15:57.775505Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:57.775505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"icQ/FYheGIQGazzr0f8Otegv3/oTkKCTuA3W6xCGp/CuyOIx1CB9SRfuzOQmYgqHiDPS0gr1c2Pb901oet28CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:57.776066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.08512","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77b9825ef05afdf040170d818c01816b8490e00bfd2efb7c89e6df3993425eab","sha256:3a49234fd956840b795f69f33c55e06fe55bb619344449353dfd812188cb8881"],"state_sha256":"f477af0fe21e7b4a37bec6aaffd2a0e1c262c0369e5798fe1882996e06d5063d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y1ng3Qcb0vbTUSlhUzMx7Gi8zAG0SwzcqzbXahdlCX4NS2TS45pKIy5f8QcuVh571jF7ie8LvtqCEgb2VlgEDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:40:37.659288Z","bundle_sha256":"e59661f5740816895a9e19f4dbe5fc1d0112156c8cee79c10546590545900d5f"}}