{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AL3IHG4UZJHC6UITFWERSZZO3R","short_pith_number":"pith:AL3IHG4U","canonical_record":{"source":{"id":"1711.10746","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2017-11-29T09:48:06Z","cross_cats_sorted":["cs.NE","cs.SD","eess.AS"],"title_canon_sha256":"f6de27184405060adc501dc2e09e786fc3498d78fbca8e9213e4eed9a10d1e9e","abstract_canon_sha256":"9d426ee68233ab248260b26298cfa183ea1ed6c2852fd644fd1cc68e62326f9b"},"schema_version":"1.0"},"canonical_sha256":"02f6839b94ca4e2f51132d8919672edc5629ec524a3a740432439008d4d08574","source":{"kind":"arxiv","id":"1711.10746","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10746","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10746v1","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10746","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"pith_short_12","alias_value":"AL3IHG4UZJHC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AL3IHG4UZJHC6UIT","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AL3IHG4U","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AL3IHG4UZJHC6UITFWERSZZO3R","target":"record","payload":{"canonical_record":{"source":{"id":"1711.10746","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2017-11-29T09:48:06Z","cross_cats_sorted":["cs.NE","cs.SD","eess.AS"],"title_canon_sha256":"f6de27184405060adc501dc2e09e786fc3498d78fbca8e9213e4eed9a10d1e9e","abstract_canon_sha256":"9d426ee68233ab248260b26298cfa183ea1ed6c2852fd644fd1cc68e62326f9b"},"schema_version":"1.0"},"canonical_sha256":"02f6839b94ca4e2f51132d8919672edc5629ec524a3a740432439008d4d08574","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:53.066966Z","signature_b64":"Scb1LIN+fPgqPULMHeF/Xt5zHlUCFGM5ZCGOUAOy1JutsEVswt6uIeoWw/P6y7UGN3kBY+XooVfCHko0p6SfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02f6839b94ca4e2f51132d8919672edc5629ec524a3a740432439008d4d08574","last_reissued_at":"2026-05-17T23:48:53.066528Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:53.066528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.10746","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":"2026-05-17T23:48:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5TJ3o7vaNvFarZjPHxbs1SalbJUDxQcRzj/xlVq9dGviYJ4i3Yd+5QxTm8eUPjm7vZHnGhn7jKsIWiA3Z+5rBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:34:14.755813Z"},"content_sha256":"f653e03fb656120b0b03f15273516df96719f7a4c4159cb224130d24e1997013","schema_version":"1.0","event_id":"sha256:f653e03fb656120b0b03f15273516df96719f7a4c4159cb224130d24e1997013"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AL3IHG4UZJHC6UITFWERSZZO3R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"RoboJam: A Musical Mixture Density Network for Collaborative Touchscreen Interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NE","cs.SD","eess.AS"],"primary_cat":"cs.HC","authors_text":"Charles P. Martin, Jim Torresen","submitted_at":"2017-11-29T09:48:06Z","abstract_excerpt":"RoboJam is a machine-learning system for generating music that assists users of a touchscreen music app by performing responses to their short improvisations. This system uses a recurrent artificial neural network to generate sequences of touchscreen interactions and absolute timings, rather than high-level musical notes. To accomplish this, RoboJam's network uses a mixture density layer to predict appropriate touch interaction locations in space and time. In this paper, we describe the design and implementation of RoboJam's network and how it has been integrated into a touchscreen music app. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10746","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":"2026-05-17T23:48:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tdZ/MB274J/G5i67JjlsuBa7gDAsrgvDfj69fWzslT3eBGsM3wwmSYxua539hN9QvXxGnA/Pnt/nT+mvD/trAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:34:14.756264Z"},"content_sha256":"3ccfe69ff3fe2795618e32014cdd62840b2b3cb4d41a3b724cc8cdcbf35ef60c","schema_version":"1.0","event_id":"sha256:3ccfe69ff3fe2795618e32014cdd62840b2b3cb4d41a3b724cc8cdcbf35ef60c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AL3IHG4UZJHC6UITFWERSZZO3R/bundle.json","state_url":"https://pith.science/pith/AL3IHG4UZJHC6UITFWERSZZO3R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AL3IHG4UZJHC6UITFWERSZZO3R/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":"2026-05-30T19:34:14Z","links":{"resolver":"https://pith.science/pith/AL3IHG4UZJHC6UITFWERSZZO3R","bundle":"https://pith.science/pith/AL3IHG4UZJHC6UITFWERSZZO3R/bundle.json","state":"https://pith.science/pith/AL3IHG4UZJHC6UITFWERSZZO3R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AL3IHG4UZJHC6UITFWERSZZO3R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AL3IHG4UZJHC6UITFWERSZZO3R","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":"9d426ee68233ab248260b26298cfa183ea1ed6c2852fd644fd1cc68e62326f9b","cross_cats_sorted":["cs.NE","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2017-11-29T09:48:06Z","title_canon_sha256":"f6de27184405060adc501dc2e09e786fc3498d78fbca8e9213e4eed9a10d1e9e"},"schema_version":"1.0","source":{"id":"1711.10746","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10746","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10746v1","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10746","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"pith_short_12","alias_value":"AL3IHG4UZJHC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AL3IHG4UZJHC6UIT","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AL3IHG4U","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:3ccfe69ff3fe2795618e32014cdd62840b2b3cb4d41a3b724cc8cdcbf35ef60c","target":"graph","created_at":"2026-05-17T23:48:53Z","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":"RoboJam is a machine-learning system for generating music that assists users of a touchscreen music app by performing responses to their short improvisations. This system uses a recurrent artificial neural network to generate sequences of touchscreen interactions and absolute timings, rather than high-level musical notes. To accomplish this, RoboJam's network uses a mixture density layer to predict appropriate touch interaction locations in space and time. In this paper, we describe the design and implementation of RoboJam's network and how it has been integrated into a touchscreen music app. ","authors_text":"Charles P. Martin, Jim Torresen","cross_cats":["cs.NE","cs.SD","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2017-11-29T09:48:06Z","title":"RoboJam: A Musical Mixture Density Network for Collaborative Touchscreen Interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10746","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:f653e03fb656120b0b03f15273516df96719f7a4c4159cb224130d24e1997013","target":"record","created_at":"2026-05-17T23:48:53Z","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":"9d426ee68233ab248260b26298cfa183ea1ed6c2852fd644fd1cc68e62326f9b","cross_cats_sorted":["cs.NE","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2017-11-29T09:48:06Z","title_canon_sha256":"f6de27184405060adc501dc2e09e786fc3498d78fbca8e9213e4eed9a10d1e9e"},"schema_version":"1.0","source":{"id":"1711.10746","kind":"arxiv","version":1}},"canonical_sha256":"02f6839b94ca4e2f51132d8919672edc5629ec524a3a740432439008d4d08574","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02f6839b94ca4e2f51132d8919672edc5629ec524a3a740432439008d4d08574","first_computed_at":"2026-05-17T23:48:53.066528Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:53.066528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Scb1LIN+fPgqPULMHeF/Xt5zHlUCFGM5ZCGOUAOy1JutsEVswt6uIeoWw/P6y7UGN3kBY+XooVfCHko0p6SfCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:53.066966Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.10746","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f653e03fb656120b0b03f15273516df96719f7a4c4159cb224130d24e1997013","sha256:3ccfe69ff3fe2795618e32014cdd62840b2b3cb4d41a3b724cc8cdcbf35ef60c"],"state_sha256":"442fd556d0825dbf1b20979274f66e0e0fdbaaf1309ad6839699a8c5e1e113e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uZl1EvQnvSchupXodxVmU27Vl8TNjfwLxnlzpe5wwCLyC798gwMuao1uxBQwjiNYhBGG8hhBFNnyZSruiKOwDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:34:14.758605Z","bundle_sha256":"6af038309826a2ac6c797dd9a178528c7917ade252cd7e0f2ae9cae216206068"}}