{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OILWVLSXZRY7IK7SJSCFKUNINQ","short_pith_number":"pith:OILWVLSX","canonical_record":{"source":{"id":"1402.6003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-24T22:18:02Z","cross_cats_sorted":[],"title_canon_sha256":"fe8abafba4840b45d5ffc3e2c84bb298561fa235c41e819ac2ef6e5d5881fbea","abstract_canon_sha256":"0def83b9ef1f9e5558b4dc90902f365da89012b9d4ebd679dab2f010cc0f7f4a"},"schema_version":"1.0"},"canonical_sha256":"72176aae57cc71f42bf24c845551a86c20e64eed806e3cdafc6e1563f3562c89","source":{"kind":"arxiv","id":"1402.6003","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6003","created_at":"2026-05-18T02:57:51Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6003v1","created_at":"2026-05-18T02:57:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6003","created_at":"2026-05-18T02:57:51Z"},{"alias_kind":"pith_short_12","alias_value":"OILWVLSXZRY7","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OILWVLSXZRY7IK7S","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OILWVLSX","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OILWVLSXZRY7IK7SJSCFKUNINQ","target":"record","payload":{"canonical_record":{"source":{"id":"1402.6003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-24T22:18:02Z","cross_cats_sorted":[],"title_canon_sha256":"fe8abafba4840b45d5ffc3e2c84bb298561fa235c41e819ac2ef6e5d5881fbea","abstract_canon_sha256":"0def83b9ef1f9e5558b4dc90902f365da89012b9d4ebd679dab2f010cc0f7f4a"},"schema_version":"1.0"},"canonical_sha256":"72176aae57cc71f42bf24c845551a86c20e64eed806e3cdafc6e1563f3562c89","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:51.876561Z","signature_b64":"mkP765k8u2wE0GCXZ9e/P0+g2jawGdSj76IDVatyJbLTJp9sJDNPh2hVmNCfvrPWRsMMlaU6N2BICVFM8JweBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72176aae57cc71f42bf24c845551a86c20e64eed806e3cdafc6e1563f3562c89","last_reissued_at":"2026-05-18T02:57:51.876012Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:51.876012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.6003","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":"2026-05-18T02:57:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MmmD8cIC08oY7P/Sb93KaLgODxoI29cGZsvfFEbIUl9gTT6KPHhyXtzEAcV6281xMLNYaXnd2eourf26X+eFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:33:04.375089Z"},"content_sha256":"7261debc455aa89161b5cf88113a8edb9fbe9b9a6b78e8debee55c2f45f3017c","schema_version":"1.0","event_id":"sha256:7261debc455aa89161b5cf88113a8edb9fbe9b9a6b78e8debee55c2f45f3017c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OILWVLSXZRY7IK7SJSCFKUNINQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrafast and Nanoscale Plasmonic Phenomena in Exfoliated Graphene Revealed by Infrared Pump-Probe Nanoscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Aleksandr S. Rodin, Alexander S. McLeod, Antonio H. Castro Neto, Chun Ning Lau, D. N. Basov, Eric G. Iwinski, Fritz Keilmann, Gerardo Dominguez, Mark Thiemens, Martin Wagner, Mengkun Liu, Michael Goldflam, Michael M. Fogler, Sergiu Amarie, Wenzhong Bao, Zeng Zhao, Zhe Fei","submitted_at":"2014-02-24T22:18:02Z","abstract_excerpt":"Pump-probe spectroscopy is central for exploring ultrafast dynamics of fundamental excitations, collective modes and energy transfer processes. Typically carried out using conventional diffraction-limited optics, pump-probe experiments inherently average over local chemical, compositional, and electronic inhomogeneities. Here we circumvent this deficiency and introduce pump-probe infrared spectroscopy with ~20 nm spatial resolution, far below the diffraction limit, which is accomplished using a scattering scanning near-field optical microscope (s-SNOM). This technique allows us to investigate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6003","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":"2026-05-18T02:57:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZACCNavhVDrCqEKdI3jQyT9oYjkgDYvauetz3DHKPURllt9j+YrtLDmuggOqFX+XUY+u9OvsMKQZQVG4uCIzCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:33:04.375727Z"},"content_sha256":"09c0da500522dcf1105cfced98b2fb2c663314a5dd309d7388865a6518116864","schema_version":"1.0","event_id":"sha256:09c0da500522dcf1105cfced98b2fb2c663314a5dd309d7388865a6518116864"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OILWVLSXZRY7IK7SJSCFKUNINQ/bundle.json","state_url":"https://pith.science/pith/OILWVLSXZRY7IK7SJSCFKUNINQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OILWVLSXZRY7IK7SJSCFKUNINQ/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":"2026-05-29T15:33:04Z","links":{"resolver":"https://pith.science/pith/OILWVLSXZRY7IK7SJSCFKUNINQ","bundle":"https://pith.science/pith/OILWVLSXZRY7IK7SJSCFKUNINQ/bundle.json","state":"https://pith.science/pith/OILWVLSXZRY7IK7SJSCFKUNINQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OILWVLSXZRY7IK7SJSCFKUNINQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OILWVLSXZRY7IK7SJSCFKUNINQ","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":"0def83b9ef1f9e5558b4dc90902f365da89012b9d4ebd679dab2f010cc0f7f4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-24T22:18:02Z","title_canon_sha256":"fe8abafba4840b45d5ffc3e2c84bb298561fa235c41e819ac2ef6e5d5881fbea"},"schema_version":"1.0","source":{"id":"1402.6003","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6003","created_at":"2026-05-18T02:57:51Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6003v1","created_at":"2026-05-18T02:57:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6003","created_at":"2026-05-18T02:57:51Z"},{"alias_kind":"pith_short_12","alias_value":"OILWVLSXZRY7","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OILWVLSXZRY7IK7S","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OILWVLSX","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:09c0da500522dcf1105cfced98b2fb2c663314a5dd309d7388865a6518116864","target":"graph","created_at":"2026-05-18T02:57:51Z","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":"Pump-probe spectroscopy is central for exploring ultrafast dynamics of fundamental excitations, collective modes and energy transfer processes. Typically carried out using conventional diffraction-limited optics, pump-probe experiments inherently average over local chemical, compositional, and electronic inhomogeneities. Here we circumvent this deficiency and introduce pump-probe infrared spectroscopy with ~20 nm spatial resolution, far below the diffraction limit, which is accomplished using a scattering scanning near-field optical microscope (s-SNOM). This technique allows us to investigate ","authors_text":"Aleksandr S. Rodin, Alexander S. McLeod, Antonio H. Castro Neto, Chun Ning Lau, D. N. Basov, Eric G. Iwinski, Fritz Keilmann, Gerardo Dominguez, Mark Thiemens, Martin Wagner, Mengkun Liu, Michael Goldflam, Michael M. Fogler, Sergiu Amarie, Wenzhong Bao, Zeng Zhao, Zhe Fei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-24T22:18:02Z","title":"Ultrafast and Nanoscale Plasmonic Phenomena in Exfoliated Graphene Revealed by Infrared Pump-Probe Nanoscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6003","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":"sha256:7261debc455aa89161b5cf88113a8edb9fbe9b9a6b78e8debee55c2f45f3017c","target":"record","created_at":"2026-05-18T02:57:51Z","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":"0def83b9ef1f9e5558b4dc90902f365da89012b9d4ebd679dab2f010cc0f7f4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-24T22:18:02Z","title_canon_sha256":"fe8abafba4840b45d5ffc3e2c84bb298561fa235c41e819ac2ef6e5d5881fbea"},"schema_version":"1.0","source":{"id":"1402.6003","kind":"arxiv","version":1}},"canonical_sha256":"72176aae57cc71f42bf24c845551a86c20e64eed806e3cdafc6e1563f3562c89","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72176aae57cc71f42bf24c845551a86c20e64eed806e3cdafc6e1563f3562c89","first_computed_at":"2026-05-18T02:57:51.876012Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:51.876012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mkP765k8u2wE0GCXZ9e/P0+g2jawGdSj76IDVatyJbLTJp9sJDNPh2hVmNCfvrPWRsMMlaU6N2BICVFM8JweBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:51.876561Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.6003","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7261debc455aa89161b5cf88113a8edb9fbe9b9a6b78e8debee55c2f45f3017c","sha256:09c0da500522dcf1105cfced98b2fb2c663314a5dd309d7388865a6518116864"],"state_sha256":"19041f0a5b5f66fd4cb27ae37f91bc69a522c1268617f01e40a1d52ff8393e5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"66HPLjcZp1YIp6JcIOdIqDXDXYD8ZTKdHQsvhi/AqwPEOmdCLxHQSbPKfNNr/4jpWgbmUZPQctKpF1hr9nu/Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:33:04.378927Z","bundle_sha256":"1d5938615d539a3d4b34f6697bb2b0f3d451a49910ee044b6874b3e04706cafe"}}