{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:O2MLZJ5GYLOC2UMSF7ZY5NBGGE","short_pith_number":"pith:O2MLZJ5G","canonical_record":{"source":{"id":"1512.05619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2015-12-17T15:02:36Z","cross_cats_sorted":["math.DS","q-bio.NC"],"title_canon_sha256":"94e8c69c9d2989ab1be78fc2d0becadf70c2de472e065128b8ed8260383c1582","abstract_canon_sha256":"9b817774aeebda010c61ccdf799fae7acd239b0e952ed54d8a2a4435c6e44386"},"schema_version":"1.0"},"canonical_sha256":"7698bca7a6c2dc2d51922ff38eb426311b34442f08445ea7b797687ca77aa0d1","source":{"kind":"arxiv","id":"1512.05619","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05619","created_at":"2026-05-18T01:24:09Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05619v1","created_at":"2026-05-18T01:24:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05619","created_at":"2026-05-18T01:24:09Z"},{"alias_kind":"pith_short_12","alias_value":"O2MLZJ5GYLOC","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"O2MLZJ5GYLOC2UMS","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"O2MLZJ5G","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:O2MLZJ5GYLOC2UMSF7ZY5NBGGE","target":"record","payload":{"canonical_record":{"source":{"id":"1512.05619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2015-12-17T15:02:36Z","cross_cats_sorted":["math.DS","q-bio.NC"],"title_canon_sha256":"94e8c69c9d2989ab1be78fc2d0becadf70c2de472e065128b8ed8260383c1582","abstract_canon_sha256":"9b817774aeebda010c61ccdf799fae7acd239b0e952ed54d8a2a4435c6e44386"},"schema_version":"1.0"},"canonical_sha256":"7698bca7a6c2dc2d51922ff38eb426311b34442f08445ea7b797687ca77aa0d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:09.615167Z","signature_b64":"edkCuWkIIoEX8V9Nge3Vixgrm2deKKDmer7J+wzt6aO9xqLnZplgSTBKaEHjLM/Jj0iNQnaYGEUQsnz1dpMhDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7698bca7a6c2dc2d51922ff38eb426311b34442f08445ea7b797687ca77aa0d1","last_reissued_at":"2026-05-18T01:24:09.614740Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:09.614740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.05619","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":"2026-05-18T01:24:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+qj0cqsZLsJPKmYp6yIyOiKa9UrjfenieMZKh1sdk3hPZTnGCCzpqZyEXIDywNRiaMZ5ZHtFhZz/EjfI267yDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:38:30.144260Z"},"content_sha256":"1bfae66278efc5a15e68d871a5e85fa6f4cd4249c5db6624056a836b27a60b48","schema_version":"1.0","event_id":"sha256:1bfae66278efc5a15e68d871a5e85fa6f4cd4249c5db6624056a836b27a60b48"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:O2MLZJ5GYLOC2UMSF7ZY5NBGGE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling Joint Improvisation between Human and Virtual Players in the Mirror Game","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.DS","q-bio.NC"],"primary_cat":"math.OC","authors_text":"Chao Zhai, Francesco Alderisio, Krasimira Tsaneva-Atanasova, Mario di Bernardo, Piotr Slowinski","submitted_at":"2015-12-17T15:02:36Z","abstract_excerpt":"Joint improvisation is observed to emerge spontaneously among humans performing joint action tasks, and has been associated with high levels of movement synchrony and enhanced sense of social bonding. Exploring the underlying cognitive and neural mechanisms behind the emergence of joint improvisation is an open research challenge. This paper investigates the emergence of jointly improvised movements between two participants in the mirror game, a paradigmatic joint task example. A theoretical model based on observations and analysis of experimental data is proposed to capture the main features "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05619","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":"2026-05-18T01:24:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gxx9wqkIqbjUOwlBB5IDNKqYyclCODZAqBT3cGEzSDvXD4mHN/CagI2BF0bvt5FQ65pmg3gdwlIcuHaQ/vkqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:38:30.145021Z"},"content_sha256":"8959feb9289c5555cacdf423749f6b8acd049d9e18141a2a7d048bb07dbbaab6","schema_version":"1.0","event_id":"sha256:8959feb9289c5555cacdf423749f6b8acd049d9e18141a2a7d048bb07dbbaab6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O2MLZJ5GYLOC2UMSF7ZY5NBGGE/bundle.json","state_url":"https://pith.science/pith/O2MLZJ5GYLOC2UMSF7ZY5NBGGE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O2MLZJ5GYLOC2UMSF7ZY5NBGGE/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":"2026-05-31T00:38:30Z","links":{"resolver":"https://pith.science/pith/O2MLZJ5GYLOC2UMSF7ZY5NBGGE","bundle":"https://pith.science/pith/O2MLZJ5GYLOC2UMSF7ZY5NBGGE/bundle.json","state":"https://pith.science/pith/O2MLZJ5GYLOC2UMSF7ZY5NBGGE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O2MLZJ5GYLOC2UMSF7ZY5NBGGE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:O2MLZJ5GYLOC2UMSF7ZY5NBGGE","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":"9b817774aeebda010c61ccdf799fae7acd239b0e952ed54d8a2a4435c6e44386","cross_cats_sorted":["math.DS","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2015-12-17T15:02:36Z","title_canon_sha256":"94e8c69c9d2989ab1be78fc2d0becadf70c2de472e065128b8ed8260383c1582"},"schema_version":"1.0","source":{"id":"1512.05619","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05619","created_at":"2026-05-18T01:24:09Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05619v1","created_at":"2026-05-18T01:24:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05619","created_at":"2026-05-18T01:24:09Z"},{"alias_kind":"pith_short_12","alias_value":"O2MLZJ5GYLOC","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"O2MLZJ5GYLOC2UMS","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"O2MLZJ5G","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:8959feb9289c5555cacdf423749f6b8acd049d9e18141a2a7d048bb07dbbaab6","target":"graph","created_at":"2026-05-18T01:24:09Z","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":"Joint improvisation is observed to emerge spontaneously among humans performing joint action tasks, and has been associated with high levels of movement synchrony and enhanced sense of social bonding. Exploring the underlying cognitive and neural mechanisms behind the emergence of joint improvisation is an open research challenge. This paper investigates the emergence of jointly improvised movements between two participants in the mirror game, a paradigmatic joint task example. A theoretical model based on observations and analysis of experimental data is proposed to capture the main features ","authors_text":"Chao Zhai, Francesco Alderisio, Krasimira Tsaneva-Atanasova, Mario di Bernardo, Piotr Slowinski","cross_cats":["math.DS","q-bio.NC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2015-12-17T15:02:36Z","title":"Modeling Joint Improvisation between Human and Virtual Players in the Mirror Game"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05619","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":"sha256:1bfae66278efc5a15e68d871a5e85fa6f4cd4249c5db6624056a836b27a60b48","target":"record","created_at":"2026-05-18T01:24:09Z","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":"9b817774aeebda010c61ccdf799fae7acd239b0e952ed54d8a2a4435c6e44386","cross_cats_sorted":["math.DS","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2015-12-17T15:02:36Z","title_canon_sha256":"94e8c69c9d2989ab1be78fc2d0becadf70c2de472e065128b8ed8260383c1582"},"schema_version":"1.0","source":{"id":"1512.05619","kind":"arxiv","version":1}},"canonical_sha256":"7698bca7a6c2dc2d51922ff38eb426311b34442f08445ea7b797687ca77aa0d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7698bca7a6c2dc2d51922ff38eb426311b34442f08445ea7b797687ca77aa0d1","first_computed_at":"2026-05-18T01:24:09.614740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:09.614740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"edkCuWkIIoEX8V9Nge3Vixgrm2deKKDmer7J+wzt6aO9xqLnZplgSTBKaEHjLM/Jj0iNQnaYGEUQsnz1dpMhDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:09.615167Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.05619","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bfae66278efc5a15e68d871a5e85fa6f4cd4249c5db6624056a836b27a60b48","sha256:8959feb9289c5555cacdf423749f6b8acd049d9e18141a2a7d048bb07dbbaab6"],"state_sha256":"776c8888993f231fe4e4bad6270940176579ee1b8e80b4ef58da279e50107d41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uWNO/Sc8+uIIMFIGwufcT0mKpbJDWtAcOAc009gETvBa3AWgWeJoKInIhO+yMgpV+oBI0o6OwbmX2SVZ3AyMAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:38:30.149128Z","bundle_sha256":"59f6a813d695db3b94afd081db95aeb9773e7e00a61517b744a24e4bcdb7f8ab"}}