{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DAN2B5ELBGH62PPPG37SP6DURZ","short_pith_number":"pith:DAN2B5EL","canonical_record":{"source":{"id":"1608.02231","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-08-07T16:02:39Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"933943570c4bf120c6613c69f464e98d693a4ac10267b7b068b08d8f66df299c","abstract_canon_sha256":"562d0b78ba07cbaed84842031d4d70004453ceb398e059ebeea653ef29ab8f05"},"schema_version":"1.0"},"canonical_sha256":"181ba0f48b098fed3def36ff27f8748e4ed7a28daddfff1021914778d8c1ae8f","source":{"kind":"arxiv","id":"1608.02231","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.02231","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"1608.02231v3","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02231","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"DAN2B5ELBGH6","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"DAN2B5ELBGH62PPP","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"DAN2B5EL","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DAN2B5ELBGH62PPPG37SP6DURZ","target":"record","payload":{"canonical_record":{"source":{"id":"1608.02231","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-08-07T16:02:39Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"933943570c4bf120c6613c69f464e98d693a4ac10267b7b068b08d8f66df299c","abstract_canon_sha256":"562d0b78ba07cbaed84842031d4d70004453ceb398e059ebeea653ef29ab8f05"},"schema_version":"1.0"},"canonical_sha256":"181ba0f48b098fed3def36ff27f8748e4ed7a28daddfff1021914778d8c1ae8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:13.510962Z","signature_b64":"gFcmw+F/5rYly1Ls78JQ5VWuzMX3in1HwhyojlIOIKVoul2w0xzVkqGyLoGz0m9xth18BnjOHqEbkjxOd5BSBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"181ba0f48b098fed3def36ff27f8748e4ed7a28daddfff1021914778d8c1ae8f","last_reissued_at":"2026-05-18T00:47:13.510235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:13.510235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.02231","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GV2FoNqgOsSHBU9eM0yn3/D5XpoxeUzRsUdUb1zs5p04XQYYld//UdhOOQYmw6emfIkJgLqzPfGRVRW+NFx5BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:54:36.757843Z"},"content_sha256":"f927a5bea79b12d115afebec69b7e83ffcd9414bb8ea75e98b88cfb0927ba418","schema_version":"1.0","event_id":"sha256:f927a5bea79b12d115afebec69b7e83ffcd9414bb8ea75e98b88cfb0927ba418"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DAN2B5ELBGH62PPPG37SP6DURZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Directed Flow of Charm Quarks as a Witness of the Initial Strong Magnetic Field in Ultra-Relativistic Heavy Ion Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Francesco Scardina, Jane Alam, Salvatore Plumari, Sandeep Chatterjee, Santosh K. Das, Vincenzo Greco","submitted_at":"2016-08-07T16:02:39Z","abstract_excerpt":"Ultra-relativistic Heavy-Ion Collision (HIC) generates very strong initial magnetic field ($\\vec B$) inducing a vorticity in the reaction plane. The high $\\vec{B}$ influences the evolution dynamics that is opposed by the large Faraday current due to electric field generated by the time varying $\\vec{B}$. We show that the resultant effects entail a significantly large directed flow ($v_1$) of charm quarks (CQs) compared to light quarks due to a combination of several favorable conditions for CQs, mainly: (i) unlike light quarks formation time scale of CQs, $\\tau_f \\simeq \\, 0.1 \\rm fm/c$ is com"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02231","kind":"arxiv","version":3},"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":"2026-05-18T00:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dpQOUsJMoyaRoWnYCb8T1yfKRftYnF6ymdUE0tV8Bs3o87omOCpsTwGOx5/rRWqfPJwlmRyJfRXlL+zADs6OCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:54:36.758191Z"},"content_sha256":"14907a6485f6a424b1ce74be5b05f54e62b3cef4bd9d99dfd0cd8962eef3a661","schema_version":"1.0","event_id":"sha256:14907a6485f6a424b1ce74be5b05f54e62b3cef4bd9d99dfd0cd8962eef3a661"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DAN2B5ELBGH62PPPG37SP6DURZ/bundle.json","state_url":"https://pith.science/pith/DAN2B5ELBGH62PPPG37SP6DURZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DAN2B5ELBGH62PPPG37SP6DURZ/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":"2026-05-29T19:54:36Z","links":{"resolver":"https://pith.science/pith/DAN2B5ELBGH62PPPG37SP6DURZ","bundle":"https://pith.science/pith/DAN2B5ELBGH62PPPG37SP6DURZ/bundle.json","state":"https://pith.science/pith/DAN2B5ELBGH62PPPG37SP6DURZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DAN2B5ELBGH62PPPG37SP6DURZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DAN2B5ELBGH62PPPG37SP6DURZ","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":"562d0b78ba07cbaed84842031d4d70004453ceb398e059ebeea653ef29ab8f05","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-08-07T16:02:39Z","title_canon_sha256":"933943570c4bf120c6613c69f464e98d693a4ac10267b7b068b08d8f66df299c"},"schema_version":"1.0","source":{"id":"1608.02231","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.02231","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"1608.02231v3","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02231","created_at":"2026-05-18T00:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"DAN2B5ELBGH6","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"DAN2B5ELBGH62PPP","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"DAN2B5EL","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:14907a6485f6a424b1ce74be5b05f54e62b3cef4bd9d99dfd0cd8962eef3a661","target":"graph","created_at":"2026-05-18T00:47:13Z","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":"Ultra-relativistic Heavy-Ion Collision (HIC) generates very strong initial magnetic field ($\\vec B$) inducing a vorticity in the reaction plane. The high $\\vec{B}$ influences the evolution dynamics that is opposed by the large Faraday current due to electric field generated by the time varying $\\vec{B}$. We show that the resultant effects entail a significantly large directed flow ($v_1$) of charm quarks (CQs) compared to light quarks due to a combination of several favorable conditions for CQs, mainly: (i) unlike light quarks formation time scale of CQs, $\\tau_f \\simeq \\, 0.1 \\rm fm/c$ is com","authors_text":"Francesco Scardina, Jane Alam, Salvatore Plumari, Sandeep Chatterjee, Santosh K. Das, Vincenzo Greco","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-08-07T16:02:39Z","title":"Directed Flow of Charm Quarks as a Witness of the Initial Strong Magnetic Field in Ultra-Relativistic Heavy Ion Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02231","kind":"arxiv","version":3},"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:f927a5bea79b12d115afebec69b7e83ffcd9414bb8ea75e98b88cfb0927ba418","target":"record","created_at":"2026-05-18T00:47:13Z","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":"562d0b78ba07cbaed84842031d4d70004453ceb398e059ebeea653ef29ab8f05","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-08-07T16:02:39Z","title_canon_sha256":"933943570c4bf120c6613c69f464e98d693a4ac10267b7b068b08d8f66df299c"},"schema_version":"1.0","source":{"id":"1608.02231","kind":"arxiv","version":3}},"canonical_sha256":"181ba0f48b098fed3def36ff27f8748e4ed7a28daddfff1021914778d8c1ae8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"181ba0f48b098fed3def36ff27f8748e4ed7a28daddfff1021914778d8c1ae8f","first_computed_at":"2026-05-18T00:47:13.510235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:13.510235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gFcmw+F/5rYly1Ls78JQ5VWuzMX3in1HwhyojlIOIKVoul2w0xzVkqGyLoGz0m9xth18BnjOHqEbkjxOd5BSBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:13.510962Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.02231","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f927a5bea79b12d115afebec69b7e83ffcd9414bb8ea75e98b88cfb0927ba418","sha256:14907a6485f6a424b1ce74be5b05f54e62b3cef4bd9d99dfd0cd8962eef3a661"],"state_sha256":"49595109a351b72946a08cfcc3543f0e9998dd1772bbfa0d4a621ebb51907e73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/M2EGDBJVUSjr4ts/F/iPcBYpLEqzxTQ+0NKJaZO87KeUeAW8ssK1/EtXcaMKorTRupTXM41WF7mEGFCCx6eCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:54:36.760145Z","bundle_sha256":"603c58fa319d8e6455168e0f4a156b757011443dc12962c74071dc05fc553a44"}}