{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IMH4PINC6SJ3YI7KQFCZGHSYJH","short_pith_number":"pith:IMH4PINC","canonical_record":{"source":{"id":"1406.3817","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-15T13:53:59Z","cross_cats_sorted":[],"title_canon_sha256":"9c99528e296c4959d89502fd49788228fa669ccdbdcb046ba84733447816c531","abstract_canon_sha256":"61ffb0068d4a465bb7daa3013c2c6ac4edb13825305a5eeb90608da50089d89a"},"schema_version":"1.0"},"canonical_sha256":"430fc7a1a2f493bc23ea8145931e5849ed2d11be04b088cfb64f5a7fa9512db8","source":{"kind":"arxiv","id":"1406.3817","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3817","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3817v1","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3817","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"pith_short_12","alias_value":"IMH4PINC6SJ3","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IMH4PINC6SJ3YI7K","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IMH4PINC","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IMH4PINC6SJ3YI7KQFCZGHSYJH","target":"record","payload":{"canonical_record":{"source":{"id":"1406.3817","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-15T13:53:59Z","cross_cats_sorted":[],"title_canon_sha256":"9c99528e296c4959d89502fd49788228fa669ccdbdcb046ba84733447816c531","abstract_canon_sha256":"61ffb0068d4a465bb7daa3013c2c6ac4edb13825305a5eeb90608da50089d89a"},"schema_version":"1.0"},"canonical_sha256":"430fc7a1a2f493bc23ea8145931e5849ed2d11be04b088cfb64f5a7fa9512db8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:56.786515Z","signature_b64":"HoQodxp37/cYRyxLqWG8nRa0TBWJ8qc16x91ittUvA2rLYRi0TfRnM4oIaRbu2irZ70sfNa56mzoI04oOXUOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"430fc7a1a2f493bc23ea8145931e5849ed2d11be04b088cfb64f5a7fa9512db8","last_reissued_at":"2026-05-18T01:42:56.785895Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:56.785895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.3817","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":"2026-05-18T01:42:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zv0VT+apsITSUi6vcaOW8JCu7TelmEuEtwS+Y7bXKHUCDodshE+mH6fvaekK4cQT/2sYdQb9/6cR99IL50PDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T22:22:05.858479Z"},"content_sha256":"3cb4fbe07e0b8497267adad179a667fe2991e416f1227c5872ca157c156c16ff","schema_version":"1.0","event_id":"sha256:3cb4fbe07e0b8497267adad179a667fe2991e416f1227c5872ca157c156c16ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IMH4PINC6SJ3YI7KQFCZGHSYJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fermi-edge transmission resonance in graphene driven by a single Coulomb impurity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Arindam Ghosh, Atindra Nath Pal, Paritosh Karnatak, Srijit Goswami, Vidya Kochat","submitted_at":"2014-06-15T13:53:59Z","abstract_excerpt":"The interaction between the Fermi sea of conduction electrons and a non-adiabatic attractive impurity potential can lead to a power-law divergence in the tunneling probability of charge through the impurity. The resulting effect, known as the Fermi edge singularity (FES), constitutes one of the most fundamental many-body phenomena in quantum solid state physics. Here we report the first observation of FES for Dirac Fermions in graphene driven by isolated Coulomb impurities in the conduction channel. In high-mobility graphene devices on hexagonal boron nitride substrates, the FES manifests in a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3817","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":"2026-05-18T01:42:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DJDdgtBNh0R25ZksZ4RvcR6aUCpMJzdOioZqqJ4VOBcJeUF0wTlP9ypygKIhmQ7ZKWJT02Hyi9MPrhWJD7RYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T22:22:05.858817Z"},"content_sha256":"fbabb560f07257d244ef14b9e7dbc20c2eedc8cc7b436e2a09ee5e984477b3b2","schema_version":"1.0","event_id":"sha256:fbabb560f07257d244ef14b9e7dbc20c2eedc8cc7b436e2a09ee5e984477b3b2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IMH4PINC6SJ3YI7KQFCZGHSYJH/bundle.json","state_url":"https://pith.science/pith/IMH4PINC6SJ3YI7KQFCZGHSYJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IMH4PINC6SJ3YI7KQFCZGHSYJH/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":"2026-06-22T22:22:05Z","links":{"resolver":"https://pith.science/pith/IMH4PINC6SJ3YI7KQFCZGHSYJH","bundle":"https://pith.science/pith/IMH4PINC6SJ3YI7KQFCZGHSYJH/bundle.json","state":"https://pith.science/pith/IMH4PINC6SJ3YI7KQFCZGHSYJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IMH4PINC6SJ3YI7KQFCZGHSYJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IMH4PINC6SJ3YI7KQFCZGHSYJH","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":"61ffb0068d4a465bb7daa3013c2c6ac4edb13825305a5eeb90608da50089d89a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-15T13:53:59Z","title_canon_sha256":"9c99528e296c4959d89502fd49788228fa669ccdbdcb046ba84733447816c531"},"schema_version":"1.0","source":{"id":"1406.3817","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3817","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3817v1","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3817","created_at":"2026-05-18T01:42:56Z"},{"alias_kind":"pith_short_12","alias_value":"IMH4PINC6SJ3","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IMH4PINC6SJ3YI7K","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IMH4PINC","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:fbabb560f07257d244ef14b9e7dbc20c2eedc8cc7b436e2a09ee5e984477b3b2","target":"graph","created_at":"2026-05-18T01:42:56Z","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":"The interaction between the Fermi sea of conduction electrons and a non-adiabatic attractive impurity potential can lead to a power-law divergence in the tunneling probability of charge through the impurity. The resulting effect, known as the Fermi edge singularity (FES), constitutes one of the most fundamental many-body phenomena in quantum solid state physics. Here we report the first observation of FES for Dirac Fermions in graphene driven by isolated Coulomb impurities in the conduction channel. In high-mobility graphene devices on hexagonal boron nitride substrates, the FES manifests in a","authors_text":"Arindam Ghosh, Atindra Nath Pal, Paritosh Karnatak, Srijit Goswami, Vidya Kochat","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-15T13:53:59Z","title":"Fermi-edge transmission resonance in graphene driven by a single Coulomb impurity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3817","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":"sha256:3cb4fbe07e0b8497267adad179a667fe2991e416f1227c5872ca157c156c16ff","target":"record","created_at":"2026-05-18T01:42:56Z","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":"61ffb0068d4a465bb7daa3013c2c6ac4edb13825305a5eeb90608da50089d89a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-15T13:53:59Z","title_canon_sha256":"9c99528e296c4959d89502fd49788228fa669ccdbdcb046ba84733447816c531"},"schema_version":"1.0","source":{"id":"1406.3817","kind":"arxiv","version":1}},"canonical_sha256":"430fc7a1a2f493bc23ea8145931e5849ed2d11be04b088cfb64f5a7fa9512db8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"430fc7a1a2f493bc23ea8145931e5849ed2d11be04b088cfb64f5a7fa9512db8","first_computed_at":"2026-05-18T01:42:56.785895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:56.785895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HoQodxp37/cYRyxLqWG8nRa0TBWJ8qc16x91ittUvA2rLYRi0TfRnM4oIaRbu2irZ70sfNa56mzoI04oOXUOCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:56.786515Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.3817","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3cb4fbe07e0b8497267adad179a667fe2991e416f1227c5872ca157c156c16ff","sha256:fbabb560f07257d244ef14b9e7dbc20c2eedc8cc7b436e2a09ee5e984477b3b2"],"state_sha256":"1f2fd418ca6052e9800294a92642e868476ea293dbd24ba14b181db65b098df9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F8uByiJ2Q7jzxraoK9TNfwozGFecFXu5M/1HZtBcztP40q90FiER830einCNYzxhcOTLNbWqrUZQYIlLcHbDAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T22:22:05.860735Z","bundle_sha256":"227593fefd74ec03e87964e4090c5ad1bc17892c22d8d15aaab1b744d60b5971"}}