{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:D72M5DBSZUOYJBOVYTN65GHVNQ","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":"582daee4714f05c706d0621986c0a89388742f6bd1bdc3651acc5ea02601035f","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-01-05T06:45:17Z","title_canon_sha256":"2fad49b3e6de8582787c459eec97b6fafc0c7674a2c37a294fcf9ce95e380a26"},"schema_version":"1.0","source":{"id":"1601.00745","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00745","created_at":"2026-05-18T01:23:21Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00745v1","created_at":"2026-05-18T01:23:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00745","created_at":"2026-05-18T01:23:21Z"},{"alias_kind":"pith_short_12","alias_value":"D72M5DBSZUOY","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"D72M5DBSZUOYJBOV","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"D72M5DBS","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:9570d9a60aed69c7b680c15be50a9fa2adc95742e7b270644bc6eb402ed9a092","target":"graph","created_at":"2026-05-18T01:23:21Z","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":"In order to exploit the intriguing optical properties of graphene it is essential to gain a better understanding of the light-matter interaction in the material on ultrashort timescales. Exciting the Dirac fermions with intense ultrafast laser pulses triggers a series of processes involving interactions between electrons, phonons and impurities. Here we study these interactions in epitaxial graphene supported on silicon carbide (semiconducting) and iridium (metallic) substrates using ultrafast time- and angle-resolved photoemission spectroscopy (TR-ARPES) based on high harmonic generation. For","authors_text":"Alberto Crepaldi, Cephise Cacho, Christian Raidel, Emma Springate, Federico Cilento, Felix Fromm, Fulvio Parmigiani, Jens Christian Johannsen, Marco Grioni, Michele Zacchigna, Philip Hofmann, Richard T. Chapman, S{\\o}ren Ulstrup, Thomas Seyller","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-01-05T06:45:17Z","title":"Ultrafast Electron Dynamics in Epitaxial Graphene Investigated with Time- and Angle-Resolved Photoemission Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00745","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:c4a75432c44452b157d932d467c429a91ea296562a3ef16de36b8bc239317ac0","target":"record","created_at":"2026-05-18T01:23:21Z","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":"582daee4714f05c706d0621986c0a89388742f6bd1bdc3651acc5ea02601035f","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-01-05T06:45:17Z","title_canon_sha256":"2fad49b3e6de8582787c459eec97b6fafc0c7674a2c37a294fcf9ce95e380a26"},"schema_version":"1.0","source":{"id":"1601.00745","kind":"arxiv","version":1}},"canonical_sha256":"1ff4ce8c32cd1d8485d5c4dbee98f56c297d654083759d83356e5264938d7219","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ff4ce8c32cd1d8485d5c4dbee98f56c297d654083759d83356e5264938d7219","first_computed_at":"2026-05-18T01:23:21.968338Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:21.968338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XM0LShLfyd3HJWd/SPBCInQoPWlP5EPbkqmEEndlIanJvs7zq7unI5XfO59yR6mUsZQmckUVZbpdbiXRIcnoBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:21.968852Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.00745","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4a75432c44452b157d932d467c429a91ea296562a3ef16de36b8bc239317ac0","sha256:9570d9a60aed69c7b680c15be50a9fa2adc95742e7b270644bc6eb402ed9a092"],"state_sha256":"8a6ed705617676a9971e0a38356a0ffb5ed02f73be51204ae770cfd2ab62de3a"}