{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:IAF4PXEZ7AB2UL3SG7HI4K5QRP","short_pith_number":"pith:IAF4PXEZ","canonical_record":{"source":{"id":"1010.2073","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-11T11:48:11Z","cross_cats_sorted":[],"title_canon_sha256":"ca378f8ee434755644f9842752d3a83be876b4e9fe44f3d38b2d6cc786df81e3","abstract_canon_sha256":"b98b2142a7f59feb060c1701f7ce80db09d1809ba9b620570f3002326dd96360"},"schema_version":"1.0"},"canonical_sha256":"400bc7dc99f803aa2f7237ce8e2bb08be7f1df68a8600ddc051aa268383f3989","source":{"kind":"arxiv","id":"1010.2073","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.2073","created_at":"2026-05-18T04:39:29Z"},{"alias_kind":"arxiv_version","alias_value":"1010.2073v1","created_at":"2026-05-18T04:39:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.2073","created_at":"2026-05-18T04:39:29Z"},{"alias_kind":"pith_short_12","alias_value":"IAF4PXEZ7AB2","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IAF4PXEZ7AB2UL3S","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IAF4PXEZ","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:IAF4PXEZ7AB2UL3SG7HI4K5QRP","target":"record","payload":{"canonical_record":{"source":{"id":"1010.2073","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-11T11:48:11Z","cross_cats_sorted":[],"title_canon_sha256":"ca378f8ee434755644f9842752d3a83be876b4e9fe44f3d38b2d6cc786df81e3","abstract_canon_sha256":"b98b2142a7f59feb060c1701f7ce80db09d1809ba9b620570f3002326dd96360"},"schema_version":"1.0"},"canonical_sha256":"400bc7dc99f803aa2f7237ce8e2bb08be7f1df68a8600ddc051aa268383f3989","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:39:29.742916Z","signature_b64":"KR5/rYjbEQtUdVlaNHGpE3Sj+Y70Jp6eV59q5ycZkTZLCxx4cNFgVuHU7jM+LE0NkNync1ubMnZHuckO8sXhAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"400bc7dc99f803aa2f7237ce8e2bb08be7f1df68a8600ddc051aa268383f3989","last_reissued_at":"2026-05-18T04:39:29.742192Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:39:29.742192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.2073","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":"2026-05-18T04:39:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wMMv7aJ6ozWHlEq2teKBJ8uYH8Xo84jkBqOs7F/BH4hRXMXm/MC1vgaU6H/PmpIQ0xNSU2ssbk3O8+57U72CDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:19:03.600252Z"},"content_sha256":"0da09df13642c1c43e544ed27004c6dc7a97744d4000ea0d89245267c7732ca3","schema_version":"1.0","event_id":"sha256:0da09df13642c1c43e544ed27004c6dc7a97744d4000ea0d89245267c7732ca3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:IAF4PXEZ7AB2UL3SG7HI4K5QRP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrafast carrier dynamics in pristine and FeCl3-intercalated bilayer graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Da Zhan, Dongwook Lee, Elbert E. M. Chia, Lei Liu, Li Sun, Saritha K. Nair, Ting Yu, Xiaofeng Fan, Xingquan Zou, Zexiang Shen, Zhenhua Ni, Zhiqiang Luo","submitted_at":"2010-10-11T11:48:11Z","abstract_excerpt":"Ultrafast carrier dynamics of pristine bilayer graphene (BLG) and bilayer graphene intercalated with FeCl3 (FeCl3-G), were studied using time-resolved transient differential reflection (delta R/R). Compared to BLG, the FeCl3-G data showed an opposite sign of delta R/R, a slower rise time, and a single (instead of double) exponential relaxation. We attribute these differences in dynamics to the down-shifting of the Fermi level in FeCl3-G, as well as the formation of numerous horizontal bands arising from the d-orbitals of Fe. Our work shows that intercalation can dramatically change the electro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.2073","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":"2026-05-18T04:39:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uYA4zM2sNTzJhMzb0bX9IwTEWCWjBa+kZskyBC7ETPN97JPFDFs4noLlkW9H2Nc1sAU1wUR12BkzVudWmIkLDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:19:03.600672Z"},"content_sha256":"01e6771323f0d57ad15fdde88755737891fc75a6b0e81d22e16aede94e6ae72a","schema_version":"1.0","event_id":"sha256:01e6771323f0d57ad15fdde88755737891fc75a6b0e81d22e16aede94e6ae72a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IAF4PXEZ7AB2UL3SG7HI4K5QRP/bundle.json","state_url":"https://pith.science/pith/IAF4PXEZ7AB2UL3SG7HI4K5QRP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IAF4PXEZ7AB2UL3SG7HI4K5QRP/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":"2026-05-30T16:19:03Z","links":{"resolver":"https://pith.science/pith/IAF4PXEZ7AB2UL3SG7HI4K5QRP","bundle":"https://pith.science/pith/IAF4PXEZ7AB2UL3SG7HI4K5QRP/bundle.json","state":"https://pith.science/pith/IAF4PXEZ7AB2UL3SG7HI4K5QRP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IAF4PXEZ7AB2UL3SG7HI4K5QRP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IAF4PXEZ7AB2UL3SG7HI4K5QRP","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":"b98b2142a7f59feb060c1701f7ce80db09d1809ba9b620570f3002326dd96360","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-11T11:48:11Z","title_canon_sha256":"ca378f8ee434755644f9842752d3a83be876b4e9fe44f3d38b2d6cc786df81e3"},"schema_version":"1.0","source":{"id":"1010.2073","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.2073","created_at":"2026-05-18T04:39:29Z"},{"alias_kind":"arxiv_version","alias_value":"1010.2073v1","created_at":"2026-05-18T04:39:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.2073","created_at":"2026-05-18T04:39:29Z"},{"alias_kind":"pith_short_12","alias_value":"IAF4PXEZ7AB2","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IAF4PXEZ7AB2UL3S","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IAF4PXEZ","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:01e6771323f0d57ad15fdde88755737891fc75a6b0e81d22e16aede94e6ae72a","target":"graph","created_at":"2026-05-18T04:39:29Z","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":"Ultrafast carrier dynamics of pristine bilayer graphene (BLG) and bilayer graphene intercalated with FeCl3 (FeCl3-G), were studied using time-resolved transient differential reflection (delta R/R). Compared to BLG, the FeCl3-G data showed an opposite sign of delta R/R, a slower rise time, and a single (instead of double) exponential relaxation. We attribute these differences in dynamics to the down-shifting of the Fermi level in FeCl3-G, as well as the formation of numerous horizontal bands arising from the d-orbitals of Fe. Our work shows that intercalation can dramatically change the electro","authors_text":"Da Zhan, Dongwook Lee, Elbert E. M. Chia, Lei Liu, Li Sun, Saritha K. Nair, Ting Yu, Xiaofeng Fan, Xingquan Zou, Zexiang Shen, Zhenhua Ni, Zhiqiang Luo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-11T11:48:11Z","title":"Ultrafast carrier dynamics in pristine and FeCl3-intercalated bilayer graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.2073","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":"sha256:0da09df13642c1c43e544ed27004c6dc7a97744d4000ea0d89245267c7732ca3","target":"record","created_at":"2026-05-18T04:39:29Z","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":"b98b2142a7f59feb060c1701f7ce80db09d1809ba9b620570f3002326dd96360","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-10-11T11:48:11Z","title_canon_sha256":"ca378f8ee434755644f9842752d3a83be876b4e9fe44f3d38b2d6cc786df81e3"},"schema_version":"1.0","source":{"id":"1010.2073","kind":"arxiv","version":1}},"canonical_sha256":"400bc7dc99f803aa2f7237ce8e2bb08be7f1df68a8600ddc051aa268383f3989","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"400bc7dc99f803aa2f7237ce8e2bb08be7f1df68a8600ddc051aa268383f3989","first_computed_at":"2026-05-18T04:39:29.742192Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:39:29.742192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KR5/rYjbEQtUdVlaNHGpE3Sj+Y70Jp6eV59q5ycZkTZLCxx4cNFgVuHU7jM+LE0NkNync1ubMnZHuckO8sXhAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:39:29.742916Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.2073","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0da09df13642c1c43e544ed27004c6dc7a97744d4000ea0d89245267c7732ca3","sha256:01e6771323f0d57ad15fdde88755737891fc75a6b0e81d22e16aede94e6ae72a"],"state_sha256":"f19cd2003f949a9e0ab6babb989d304a4a5e89171c80c41a98e5ce2e307ee71d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aYyHZqNsV+vxjkeS77n6a8F3pE6I/4Jx7rrYg7OgXASDWK/mcmkgVfW24HPVV7sEtk6CPYIBZ3JJugg2aAG3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:19:03.603981Z","bundle_sha256":"e6b1a9e4ebe5bc4370a2982237d498a0811e3a6d3da33841e1631697612fe3a9"}}