{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MUIYM2KZRL63EITUU2G72WETNY","short_pith_number":"pith:MUIYM2KZ","canonical_record":{"source":{"id":"1708.08636","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-29T08:26:43Z","cross_cats_sorted":[],"title_canon_sha256":"1e13e2b100c8996859b1d703e976cfb9e837da7a2d8824e122559da2d4b1c351","abstract_canon_sha256":"31bc7a94056cd9639e3376824f00985805e57f62ee7b97e5669ce355dc299b4c"},"schema_version":"1.0"},"canonical_sha256":"65118669598afdb22274a68dfd58936e37a6ff94cbf62e4c13a5825b2a4b8f1e","source":{"kind":"arxiv","id":"1708.08636","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.08636","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"1708.08636v1","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08636","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"MUIYM2KZRL63","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MUIYM2KZRL63EITU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MUIYM2KZ","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MUIYM2KZRL63EITUU2G72WETNY","target":"record","payload":{"canonical_record":{"source":{"id":"1708.08636","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-29T08:26:43Z","cross_cats_sorted":[],"title_canon_sha256":"1e13e2b100c8996859b1d703e976cfb9e837da7a2d8824e122559da2d4b1c351","abstract_canon_sha256":"31bc7a94056cd9639e3376824f00985805e57f62ee7b97e5669ce355dc299b4c"},"schema_version":"1.0"},"canonical_sha256":"65118669598afdb22274a68dfd58936e37a6ff94cbf62e4c13a5825b2a4b8f1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:27.212014Z","signature_b64":"7GFpQwTqfmzUbEWOuCWKJMLQ3M/T40awo0ox82xr0UjdNzQEP+xvsVT7dMIaU/kPVOcq6b1C016xAQTS+YPyBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65118669598afdb22274a68dfd58936e37a6ff94cbf62e4c13a5825b2a4b8f1e","last_reissued_at":"2026-05-18T00:36:27.211450Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:27.211450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.08636","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":"2026-05-18T00:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gN86+J6Jh+w+yONliw1UfK3ipKGWguVnemZg6+HSx89Qa09SaPrSdpo5/oeumeaDWG7xPh5qMeASG9/L/gZkAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:10:39.891840Z"},"content_sha256":"930d61ab41ce88db75a40baec49269fc621e31ba45f938425b5efcee82145b1a","schema_version":"1.0","event_id":"sha256:930d61ab41ce88db75a40baec49269fc621e31ba45f938425b5efcee82145b1a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MUIYM2KZRL63EITUU2G72WETNY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quasi-two-dimensional Fermi surfaces with localized $f$ electrons in the layered heavy-fermion compound CePt$_2$In$_7$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. McCollam, H. Harima, I. Sheikin, J.A.N. Bruin, J. Klotz, K. G\\\"otze, R.D.H. Hinlopen, R. Settai, S. Ota, Y. Hirose, Y. Krupko","submitted_at":"2017-08-29T08:26:43Z","abstract_excerpt":"We report measurements of the de Haas-van Alphen effect in the layered heavy-fermion compound CePt$_2$In$_7$ in high magnetic fields up to 35 T. Above an angle-dependent threshold field, we observed several de Haas-van Alphen frequencies originating from almost ideally two-dimensional Fermi surfaces. The frequencies are similar to those previously observed to develop only above a much higher field of 45 T, where a clear anomaly was detected and proposed to originate from a change in the electronic structure [M. M. Altarawneh et al., Phys. Rev. B 83, 081103 (2011)]. Our experimental results are"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08636","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":"2026-05-18T00:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"20lbi9l01rKg6mDzaZ3tYt8bieA0gF4IvNUAaTSiicQPV3ba0LpXgYUD7K6LjUX3eh1oXYXW2H6wCKv2tOTfDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:10:39.892230Z"},"content_sha256":"1402f337739956b99fd893f71f8c2e105aedbb93ba2b4b9012e4165db6278f64","schema_version":"1.0","event_id":"sha256:1402f337739956b99fd893f71f8c2e105aedbb93ba2b4b9012e4165db6278f64"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MUIYM2KZRL63EITUU2G72WETNY/bundle.json","state_url":"https://pith.science/pith/MUIYM2KZRL63EITUU2G72WETNY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MUIYM2KZRL63EITUU2G72WETNY/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":"2026-05-26T11:10:39Z","links":{"resolver":"https://pith.science/pith/MUIYM2KZRL63EITUU2G72WETNY","bundle":"https://pith.science/pith/MUIYM2KZRL63EITUU2G72WETNY/bundle.json","state":"https://pith.science/pith/MUIYM2KZRL63EITUU2G72WETNY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MUIYM2KZRL63EITUU2G72WETNY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MUIYM2KZRL63EITUU2G72WETNY","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":"31bc7a94056cd9639e3376824f00985805e57f62ee7b97e5669ce355dc299b4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-29T08:26:43Z","title_canon_sha256":"1e13e2b100c8996859b1d703e976cfb9e837da7a2d8824e122559da2d4b1c351"},"schema_version":"1.0","source":{"id":"1708.08636","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.08636","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"1708.08636v1","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08636","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"MUIYM2KZRL63","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MUIYM2KZRL63EITU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MUIYM2KZ","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:1402f337739956b99fd893f71f8c2e105aedbb93ba2b4b9012e4165db6278f64","target":"graph","created_at":"2026-05-18T00:36:27Z","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 report measurements of the de Haas-van Alphen effect in the layered heavy-fermion compound CePt$_2$In$_7$ in high magnetic fields up to 35 T. Above an angle-dependent threshold field, we observed several de Haas-van Alphen frequencies originating from almost ideally two-dimensional Fermi surfaces. The frequencies are similar to those previously observed to develop only above a much higher field of 45 T, where a clear anomaly was detected and proposed to originate from a change in the electronic structure [M. M. Altarawneh et al., Phys. Rev. B 83, 081103 (2011)]. Our experimental results are","authors_text":"A. McCollam, H. Harima, I. Sheikin, J.A.N. Bruin, J. Klotz, K. G\\\"otze, R.D.H. Hinlopen, R. Settai, S. Ota, Y. Hirose, Y. Krupko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-29T08:26:43Z","title":"Quasi-two-dimensional Fermi surfaces with localized $f$ electrons in the layered heavy-fermion compound CePt$_2$In$_7$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08636","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":"sha256:930d61ab41ce88db75a40baec49269fc621e31ba45f938425b5efcee82145b1a","target":"record","created_at":"2026-05-18T00:36:27Z","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":"31bc7a94056cd9639e3376824f00985805e57f62ee7b97e5669ce355dc299b4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-29T08:26:43Z","title_canon_sha256":"1e13e2b100c8996859b1d703e976cfb9e837da7a2d8824e122559da2d4b1c351"},"schema_version":"1.0","source":{"id":"1708.08636","kind":"arxiv","version":1}},"canonical_sha256":"65118669598afdb22274a68dfd58936e37a6ff94cbf62e4c13a5825b2a4b8f1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65118669598afdb22274a68dfd58936e37a6ff94cbf62e4c13a5825b2a4b8f1e","first_computed_at":"2026-05-18T00:36:27.211450Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:27.211450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7GFpQwTqfmzUbEWOuCWKJMLQ3M/T40awo0ox82xr0UjdNzQEP+xvsVT7dMIaU/kPVOcq6b1C016xAQTS+YPyBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:27.212014Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.08636","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:930d61ab41ce88db75a40baec49269fc621e31ba45f938425b5efcee82145b1a","sha256:1402f337739956b99fd893f71f8c2e105aedbb93ba2b4b9012e4165db6278f64"],"state_sha256":"511ac104d6e9319bf49bebd471a18e755d08e3b42df8fd70ef177d9daf957ba3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dc70TmgdavyBzJJncOfdHJ074TU/wl5FfrjQvtw0fBgge5Ho2iB2Wpj/ZVzz9Hty244ttGsC/ZPIdHgYiG8kDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:10:39.894976Z","bundle_sha256":"cff1637e3848ae42ad248902f52976e5acb7be1eb870ee3d1c957a51d8c4c9ba"}}