{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:S23YDREOZR2OTBTOG3R52CJJ3Z","short_pith_number":"pith:S23YDREO","canonical_record":{"source":{"id":"1212.3494","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-14T14:55:03Z","cross_cats_sorted":[],"title_canon_sha256":"bea6a8d2926591d9e1e97adf00b2ff521cab98ff56a35704ec401af11305651d","abstract_canon_sha256":"5f2945ffeb906ef5db025dad803730dd8a03b542e690fa79006ba509befb0287"},"schema_version":"1.0"},"canonical_sha256":"96b781c48ecc74e9866e36e3dd0929de49aa87a3cde998e987e376d953ecbfda","source":{"kind":"arxiv","id":"1212.3494","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3494","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3494v1","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3494","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"pith_short_12","alias_value":"S23YDREOZR2O","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"S23YDREOZR2OTBTO","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"S23YDREO","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:S23YDREOZR2OTBTOG3R52CJJ3Z","target":"record","payload":{"canonical_record":{"source":{"id":"1212.3494","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-14T14:55:03Z","cross_cats_sorted":[],"title_canon_sha256":"bea6a8d2926591d9e1e97adf00b2ff521cab98ff56a35704ec401af11305651d","abstract_canon_sha256":"5f2945ffeb906ef5db025dad803730dd8a03b542e690fa79006ba509befb0287"},"schema_version":"1.0"},"canonical_sha256":"96b781c48ecc74e9866e36e3dd0929de49aa87a3cde998e987e376d953ecbfda","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:24.477039Z","signature_b64":"0UEdWOZjGIpJl7mnGkfZJ0uYn7EXd3X3RpKIA7tHEeAvxJ45U1grKRgKW31EfxDjIbS/GWVj2l5ckDtByjfZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96b781c48ecc74e9866e36e3dd0929de49aa87a3cde998e987e376d953ecbfda","last_reissued_at":"2026-05-18T03:38:24.476421Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:24.476421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.3494","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":"2026-05-18T03:38:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIngj71s8AgxJngeZLC6hItxfQiYWhZacpEMdFRfOwsudwSfKGkPgUqPyBs4rUfONsE4ZfIAzGD6C1/eppNhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:29:09.309644Z"},"content_sha256":"765257daf267e560489f2c808ef39700e4bf0b6c2ce15f3e1aa6e975568311da","schema_version":"1.0","event_id":"sha256:765257daf267e560489f2c808ef39700e4bf0b6c2ce15f3e1aa6e975568311da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:S23YDREOZR2OTBTOG3R52CJJ3Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrafast photodoping and effective Fermi-Dirac distribution of the Dirac particles in Bi2Se3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Crepaldi, B. Ressel, C. Grazioli, F. Cilento, F. Parmigiani, H. Berger, K. Kern, M. Grioni, M. Zacchigna, Ph. Bugnon","submitted_at":"2012-12-14T14:55:03Z","abstract_excerpt":"We exploit time- and angle- resolved photoemission spectroscopy to determine the evolution of the out-of-equilibrium electronic structure of the topological insulator Bi2Se. The response of the Fermi-Dirac distribution to ultrashort IR laser pulses has been studied by modelling the dynamics of the hot electrons after optical excitation. We disentangle a large increase of the effective temperature T* from a shift of the chemical potential mu*, which is consequence of the ultrafast photodoping of the conduction band. The relaxation dynamics of T* and mu* are k-independent and these two quantitie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3494","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":"2026-05-18T03:38:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ifZdrg/gnnsdGSEl080M4ynqwcEqJZ0Rbi+ZjU3vN/NoP3ZkeDX9vhMDA+k0w1cxeB/HzI2AcFR8BJZs7G1kBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:29:09.309990Z"},"content_sha256":"a4880a88664db76d61fd57423fc78fc93900a6ce8730a6f64a1c89d1014d2255","schema_version":"1.0","event_id":"sha256:a4880a88664db76d61fd57423fc78fc93900a6ce8730a6f64a1c89d1014d2255"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S23YDREOZR2OTBTOG3R52CJJ3Z/bundle.json","state_url":"https://pith.science/pith/S23YDREOZR2OTBTOG3R52CJJ3Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S23YDREOZR2OTBTOG3R52CJJ3Z/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":"2026-05-28T04:29:09Z","links":{"resolver":"https://pith.science/pith/S23YDREOZR2OTBTOG3R52CJJ3Z","bundle":"https://pith.science/pith/S23YDREOZR2OTBTOG3R52CJJ3Z/bundle.json","state":"https://pith.science/pith/S23YDREOZR2OTBTOG3R52CJJ3Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S23YDREOZR2OTBTOG3R52CJJ3Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:S23YDREOZR2OTBTOG3R52CJJ3Z","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":"5f2945ffeb906ef5db025dad803730dd8a03b542e690fa79006ba509befb0287","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-14T14:55:03Z","title_canon_sha256":"bea6a8d2926591d9e1e97adf00b2ff521cab98ff56a35704ec401af11305651d"},"schema_version":"1.0","source":{"id":"1212.3494","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3494","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3494v1","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3494","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"pith_short_12","alias_value":"S23YDREOZR2O","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"S23YDREOZR2OTBTO","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"S23YDREO","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:a4880a88664db76d61fd57423fc78fc93900a6ce8730a6f64a1c89d1014d2255","target":"graph","created_at":"2026-05-18T03:38:24Z","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":"We exploit time- and angle- resolved photoemission spectroscopy to determine the evolution of the out-of-equilibrium electronic structure of the topological insulator Bi2Se. The response of the Fermi-Dirac distribution to ultrashort IR laser pulses has been studied by modelling the dynamics of the hot electrons after optical excitation. We disentangle a large increase of the effective temperature T* from a shift of the chemical potential mu*, which is consequence of the ultrafast photodoping of the conduction band. The relaxation dynamics of T* and mu* are k-independent and these two quantitie","authors_text":"A. Crepaldi, B. Ressel, C. Grazioli, F. Cilento, F. Parmigiani, H. Berger, K. Kern, M. Grioni, M. Zacchigna, Ph. Bugnon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-14T14:55:03Z","title":"Ultrafast photodoping and effective Fermi-Dirac distribution of the Dirac particles in Bi2Se3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3494","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":"sha256:765257daf267e560489f2c808ef39700e4bf0b6c2ce15f3e1aa6e975568311da","target":"record","created_at":"2026-05-18T03:38:24Z","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":"5f2945ffeb906ef5db025dad803730dd8a03b542e690fa79006ba509befb0287","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-14T14:55:03Z","title_canon_sha256":"bea6a8d2926591d9e1e97adf00b2ff521cab98ff56a35704ec401af11305651d"},"schema_version":"1.0","source":{"id":"1212.3494","kind":"arxiv","version":1}},"canonical_sha256":"96b781c48ecc74e9866e36e3dd0929de49aa87a3cde998e987e376d953ecbfda","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96b781c48ecc74e9866e36e3dd0929de49aa87a3cde998e987e376d953ecbfda","first_computed_at":"2026-05-18T03:38:24.476421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:24.476421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0UEdWOZjGIpJl7mnGkfZJ0uYn7EXd3X3RpKIA7tHEeAvxJ45U1grKRgKW31EfxDjIbS/GWVj2l5ckDtByjfZBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:24.477039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.3494","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:765257daf267e560489f2c808ef39700e4bf0b6c2ce15f3e1aa6e975568311da","sha256:a4880a88664db76d61fd57423fc78fc93900a6ce8730a6f64a1c89d1014d2255"],"state_sha256":"4908802394114fd94d3d5d05c382f29ab875df8ebd191a250964903f6a08f2c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+OGZoDpjCFgDWW61+p7dMHsN4ugjStTLMrUvmWcKAOt+xFiQk1J/9fi9o0yrnrk90jAmH8E5hBH6WiXUCQczAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T04:29:09.311925Z","bundle_sha256":"139e4aa4dbef63704e0ac870b4b0c0b6e15d41a1e651e09a382ee914b735298d"}}