{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:R4TVCTSZUDFRQ47S36WX4AHN44","short_pith_number":"pith:R4TVCTSZ","canonical_record":{"source":{"id":"1612.01058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2016-12-04T03:36:51Z","cross_cats_sorted":["cs.LG","cs.MM","cs.SD"],"title_canon_sha256":"9a59e117a0eb7e6db59eb3e47a8e198cf69525227ad85043f124e743fb612bef","abstract_canon_sha256":"31f598f621f36d5036949ee16d1a053eab3837d6e46d1c2c732219fbfe8ecfe5"},"schema_version":"1.0"},"canonical_sha256":"8f27514e59a0cb1873f2dfad7e00ede72ba651b004febe5a630d5777b6e1df3d","source":{"kind":"arxiv","id":"1612.01058","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01058","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01058v1","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01058","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"pith_short_12","alias_value":"R4TVCTSZUDFR","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"R4TVCTSZUDFRQ47S","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"R4TVCTSZ","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:R4TVCTSZUDFRQ47S36WX4AHN44","target":"record","payload":{"canonical_record":{"source":{"id":"1612.01058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2016-12-04T03:36:51Z","cross_cats_sorted":["cs.LG","cs.MM","cs.SD"],"title_canon_sha256":"9a59e117a0eb7e6db59eb3e47a8e198cf69525227ad85043f124e743fb612bef","abstract_canon_sha256":"31f598f621f36d5036949ee16d1a053eab3837d6e46d1c2c732219fbfe8ecfe5"},"schema_version":"1.0"},"canonical_sha256":"8f27514e59a0cb1873f2dfad7e00ede72ba651b004febe5a630d5777b6e1df3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:53.482455Z","signature_b64":"5lHLz6cQKnjMtP7+HOP2j3xKIbwM50b6fBm5XNzUYWyP2HQtizNbYvSs8bzMKq2/qhKYjDz4nvr1LvaUQoboDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f27514e59a0cb1873f2dfad7e00ede72ba651b004febe5a630d5777b6e1df3d","last_reissued_at":"2026-05-18T00:55:53.482069Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:53.482069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.01058","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":"2026-05-18T00:55:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dqpg3HLd/yZq9kpSLbSEsp3usmWYRTINW3rw1YgnaiCaWjWS/G0g+HJQnJQjJK9VlbfYxR0FA90WNOQIBQJHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:44:26.071873Z"},"content_sha256":"4c613adc889c2014f34cd939c296b229d4f40c8c36494a1de7884b240479535b","schema_version":"1.0","event_id":"sha256:4c613adc889c2014f34cd939c296b229d4f40c8c36494a1de7884b240479535b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:R4TVCTSZUDFRQ47S36WX4AHN44","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Algorithmic Songwriting with ALYSIA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","cs.MM","cs.SD"],"primary_cat":"cs.AI","authors_text":"David Loker, Margareta Ackerman","submitted_at":"2016-12-04T03:36:51Z","abstract_excerpt":"This paper introduces ALYSIA: Automated LYrical SongwrIting Application. ALYSIA is based on a machine learning model using Random Forests, and we discuss its success at pitch and rhythm prediction. Next, we show how ALYSIA was used to create original pop songs that were subsequently recorded and produced. Finally, we discuss our vision for the future of Automated Songwriting for both co-creative and autonomous systems."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01058","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":"2026-05-18T00:55:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tk++pmYfO60yUAc8+4cm5RAKTxVrOpmJumlC2d7GIhS3BmIrG1V2Ga/2wja8MPOXOl+mq5rf0TAlqMb0xPlMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:44:26.072493Z"},"content_sha256":"45bceefcba1d9a10814747b4877635efdb915a3e5de9c6191edbbacf6807835a","schema_version":"1.0","event_id":"sha256:45bceefcba1d9a10814747b4877635efdb915a3e5de9c6191edbbacf6807835a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R4TVCTSZUDFRQ47S36WX4AHN44/bundle.json","state_url":"https://pith.science/pith/R4TVCTSZUDFRQ47S36WX4AHN44/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R4TVCTSZUDFRQ47S36WX4AHN44/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":"2026-05-26T23:44:26Z","links":{"resolver":"https://pith.science/pith/R4TVCTSZUDFRQ47S36WX4AHN44","bundle":"https://pith.science/pith/R4TVCTSZUDFRQ47S36WX4AHN44/bundle.json","state":"https://pith.science/pith/R4TVCTSZUDFRQ47S36WX4AHN44/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R4TVCTSZUDFRQ47S36WX4AHN44/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:R4TVCTSZUDFRQ47S36WX4AHN44","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":"31f598f621f36d5036949ee16d1a053eab3837d6e46d1c2c732219fbfe8ecfe5","cross_cats_sorted":["cs.LG","cs.MM","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2016-12-04T03:36:51Z","title_canon_sha256":"9a59e117a0eb7e6db59eb3e47a8e198cf69525227ad85043f124e743fb612bef"},"schema_version":"1.0","source":{"id":"1612.01058","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01058","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01058v1","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01058","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"pith_short_12","alias_value":"R4TVCTSZUDFR","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"R4TVCTSZUDFRQ47S","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"R4TVCTSZ","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:45bceefcba1d9a10814747b4877635efdb915a3e5de9c6191edbbacf6807835a","target":"graph","created_at":"2026-05-18T00:55:53Z","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":"This paper introduces ALYSIA: Automated LYrical SongwrIting Application. ALYSIA is based on a machine learning model using Random Forests, and we discuss its success at pitch and rhythm prediction. Next, we show how ALYSIA was used to create original pop songs that were subsequently recorded and produced. Finally, we discuss our vision for the future of Automated Songwriting for both co-creative and autonomous systems.","authors_text":"David Loker, Margareta Ackerman","cross_cats":["cs.LG","cs.MM","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2016-12-04T03:36:51Z","title":"Algorithmic Songwriting with ALYSIA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01058","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":"sha256:4c613adc889c2014f34cd939c296b229d4f40c8c36494a1de7884b240479535b","target":"record","created_at":"2026-05-18T00:55:53Z","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":"31f598f621f36d5036949ee16d1a053eab3837d6e46d1c2c732219fbfe8ecfe5","cross_cats_sorted":["cs.LG","cs.MM","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2016-12-04T03:36:51Z","title_canon_sha256":"9a59e117a0eb7e6db59eb3e47a8e198cf69525227ad85043f124e743fb612bef"},"schema_version":"1.0","source":{"id":"1612.01058","kind":"arxiv","version":1}},"canonical_sha256":"8f27514e59a0cb1873f2dfad7e00ede72ba651b004febe5a630d5777b6e1df3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f27514e59a0cb1873f2dfad7e00ede72ba651b004febe5a630d5777b6e1df3d","first_computed_at":"2026-05-18T00:55:53.482069Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:53.482069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5lHLz6cQKnjMtP7+HOP2j3xKIbwM50b6fBm5XNzUYWyP2HQtizNbYvSs8bzMKq2/qhKYjDz4nvr1LvaUQoboDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:53.482455Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.01058","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c613adc889c2014f34cd939c296b229d4f40c8c36494a1de7884b240479535b","sha256:45bceefcba1d9a10814747b4877635efdb915a3e5de9c6191edbbacf6807835a"],"state_sha256":"2acbb34c3db427b212f54fa7766be1b242d38d2d7320f3a296436c8e5ccc0a4e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qHhwoAvb9pc4l8BNDr/N8asJlP3DpEOKxhX5PqHIR4kKJLcID+VDIx66JEheI8c66VkgCohhwglnotWTtI+sBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:44:26.075863Z","bundle_sha256":"9bc8a279c6a6a1a94b9ecae969184e72753299a4cb23454d1061d255c5057cb0"}}