{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BPOOKPOLRRIQ4KYZFRMKUBQO5U","short_pith_number":"pith:BPOOKPOL","canonical_record":{"source":{"id":"2001.08879","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-01-24T04:42:19Z","cross_cats_sorted":[],"title_canon_sha256":"a8b8e770149a76b21c34dffb2ee381118a25c0927c067360028ec95ab66e9c97","abstract_canon_sha256":"cc94f16e1a22ab4ac2fee3d4b1094ce3646c2eb3071d82b71d0cd79d1757d5e9"},"schema_version":"1.0"},"canonical_sha256":"0bdce53dcb8c510e2b192c58aa060eed16c7538a813c76227d7f1aa1fadd00d2","source":{"kind":"arxiv","id":"2001.08879","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.08879","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"2001.08879v2","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.08879","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"BPOOKPOLRRIQ","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"pith_short_16","alias_value":"BPOOKPOLRRIQ4KYZ","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"pith_short_8","alias_value":"BPOOKPOL","created_at":"2026-07-05T01:42:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BPOOKPOLRRIQ4KYZFRMKUBQO5U","target":"record","payload":{"canonical_record":{"source":{"id":"2001.08879","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-01-24T04:42:19Z","cross_cats_sorted":[],"title_canon_sha256":"a8b8e770149a76b21c34dffb2ee381118a25c0927c067360028ec95ab66e9c97","abstract_canon_sha256":"cc94f16e1a22ab4ac2fee3d4b1094ce3646c2eb3071d82b71d0cd79d1757d5e9"},"schema_version":"1.0"},"canonical_sha256":"0bdce53dcb8c510e2b192c58aa060eed16c7538a813c76227d7f1aa1fadd00d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:42:33.161640Z","signature_b64":"oi23fTclAKt8YKcnWTQrQn9WslNSYQ+hPl0KxHghWxndqd8omWtNgghjczmmFEmS+71211rA2DN1vff+vP7PCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bdce53dcb8c510e2b192c58aa060eed16c7538a813c76227d7f1aa1fadd00d2","last_reissued_at":"2026-07-05T01:42:33.161179Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:42:33.161179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.08879","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XNBfeAl93jhsUbSx7jGHwwsOktV/1GZg7XLeAcoBSB0UfOsz69rdtskrCS+d+UXd2b02B6oZrNe5a1hO1Rx5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T04:59:43.706579Z"},"content_sha256":"76c6e877d41566ae62bffbe54a2cbf52e07185f2751e4e650b02e52c58a482f9","schema_version":"1.0","event_id":"sha256:76c6e877d41566ae62bffbe54a2cbf52e07185f2751e4e650b02e52c58a482f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BPOOKPOLRRIQ4KYZFRMKUBQO5U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broken symmetries and Kohn's theorem in graphene cyclotron resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. Jordan Russell, Erik A. Henriksen, Jeff Ahlers, Jesse Balgley, Jordan Pack, Kenji Watanabe, Takashi Taniguchi, Yashika Kapoor","submitted_at":"2020-01-24T04:42:19Z","abstract_excerpt":"The magnetoplasmon spectrum of Landau level transitions in hexagonal boron nitride-encapsulated graphene is explored via infrared transmission magnetospectroscopy, as a function of the filling factor at fixed magnetic field. As the lowest Landau level occupancy is increased from half-filling, a non-monotonic progression of multiple cyclotron resonance peaks is observed, with a single peak evolving into four peaks and back to two, all with linewidths of order 0.5 meV. This provides a novel window on the interplay of electron interactions with broken spin and valley symmetries in the quantum Hal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.08879","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.08879/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PQ1GAfbYIBlhFS70w3a+EgGdTKCNsynsshzTE+pYlzQs35S0i7CfZ3bxxbfORsTni2or+48VYXwcqePq9gShAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T04:59:43.707069Z"},"content_sha256":"ffbca7e09c79715cda029054c37f1be9a4d27e52aa3bfbc938dc4093e2e5170a","schema_version":"1.0","event_id":"sha256:ffbca7e09c79715cda029054c37f1be9a4d27e52aa3bfbc938dc4093e2e5170a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BPOOKPOLRRIQ4KYZFRMKUBQO5U/bundle.json","state_url":"https://pith.science/pith/BPOOKPOLRRIQ4KYZFRMKUBQO5U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BPOOKPOLRRIQ4KYZFRMKUBQO5U/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":"2026-08-01T04:59:43Z","links":{"resolver":"https://pith.science/pith/BPOOKPOLRRIQ4KYZFRMKUBQO5U","bundle":"https://pith.science/pith/BPOOKPOLRRIQ4KYZFRMKUBQO5U/bundle.json","state":"https://pith.science/pith/BPOOKPOLRRIQ4KYZFRMKUBQO5U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BPOOKPOLRRIQ4KYZFRMKUBQO5U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BPOOKPOLRRIQ4KYZFRMKUBQO5U","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":"cc94f16e1a22ab4ac2fee3d4b1094ce3646c2eb3071d82b71d0cd79d1757d5e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-01-24T04:42:19Z","title_canon_sha256":"a8b8e770149a76b21c34dffb2ee381118a25c0927c067360028ec95ab66e9c97"},"schema_version":"1.0","source":{"id":"2001.08879","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.08879","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"2001.08879v2","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.08879","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"BPOOKPOLRRIQ","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"pith_short_16","alias_value":"BPOOKPOLRRIQ4KYZ","created_at":"2026-07-05T01:42:33Z"},{"alias_kind":"pith_short_8","alias_value":"BPOOKPOL","created_at":"2026-07-05T01:42:33Z"}],"graph_snapshots":[{"event_id":"sha256:ffbca7e09c79715cda029054c37f1be9a4d27e52aa3bfbc938dc4093e2e5170a","target":"graph","created_at":"2026-07-05T01:42:33Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2001.08879/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The magnetoplasmon spectrum of Landau level transitions in hexagonal boron nitride-encapsulated graphene is explored via infrared transmission magnetospectroscopy, as a function of the filling factor at fixed magnetic field. As the lowest Landau level occupancy is increased from half-filling, a non-monotonic progression of multiple cyclotron resonance peaks is observed, with a single peak evolving into four peaks and back to two, all with linewidths of order 0.5 meV. This provides a novel window on the interplay of electron interactions with broken spin and valley symmetries in the quantum Hal","authors_text":"B. Jordan Russell, Erik A. Henriksen, Jeff Ahlers, Jesse Balgley, Jordan Pack, Kenji Watanabe, Takashi Taniguchi, Yashika Kapoor","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-01-24T04:42:19Z","title":"Broken symmetries and Kohn's theorem in graphene cyclotron resonance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.08879","kind":"arxiv","version":2},"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":"sha256:76c6e877d41566ae62bffbe54a2cbf52e07185f2751e4e650b02e52c58a482f9","target":"record","created_at":"2026-07-05T01:42:33Z","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":"cc94f16e1a22ab4ac2fee3d4b1094ce3646c2eb3071d82b71d0cd79d1757d5e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-01-24T04:42:19Z","title_canon_sha256":"a8b8e770149a76b21c34dffb2ee381118a25c0927c067360028ec95ab66e9c97"},"schema_version":"1.0","source":{"id":"2001.08879","kind":"arxiv","version":2}},"canonical_sha256":"0bdce53dcb8c510e2b192c58aa060eed16c7538a813c76227d7f1aa1fadd00d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bdce53dcb8c510e2b192c58aa060eed16c7538a813c76227d7f1aa1fadd00d2","first_computed_at":"2026-07-05T01:42:33.161179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:42:33.161179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oi23fTclAKt8YKcnWTQrQn9WslNSYQ+hPl0KxHghWxndqd8omWtNgghjczmmFEmS+71211rA2DN1vff+vP7PCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:42:33.161640Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.08879","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76c6e877d41566ae62bffbe54a2cbf52e07185f2751e4e650b02e52c58a482f9","sha256:ffbca7e09c79715cda029054c37f1be9a4d27e52aa3bfbc938dc4093e2e5170a"],"state_sha256":"aabcf7c7a052e743439a488b6d9522cb66a2d4b474ca0a07383854f0a014b986"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ct9YG9Etf++rYUB632+4b8CpccMr90bk/2v8Hj96DD1NVdwMBxPX/kt6hM3zufY9+cq3CTEoUqJFZsup72MNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T04:59:43.711454Z","bundle_sha256":"2c44aa3196b544b8511c1073b2252d13ce536d3a4246fac2110cceb58617e777"}}