{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VVT7S7NUN7TKKOWCWWOFSUNJQ2","short_pith_number":"pith:VVT7S7NU","canonical_record":{"source":{"id":"2103.15959","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-29T21:17:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"bac06e5cbb62a6e0b950cdd3f79c3bf615675be443847abc4dff11a503c074cb","abstract_canon_sha256":"d2a7edf0c701783ece7c96a7c49da8dacbbc38be40a7665cd59d51699dc89996"},"schema_version":"1.0"},"canonical_sha256":"ad67f97db46fe6a53ac2b59c5951a986a554a76db74d545b4166421864abeb25","source":{"kind":"arxiv","id":"2103.15959","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.15959","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"arxiv_version","alias_value":"2103.15959v1","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.15959","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"pith_short_12","alias_value":"VVT7S7NUN7TK","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"pith_short_16","alias_value":"VVT7S7NUN7TKKOWC","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"pith_short_8","alias_value":"VVT7S7NU","created_at":"2026-07-05T02:31:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VVT7S7NUN7TKKOWCWWOFSUNJQ2","target":"record","payload":{"canonical_record":{"source":{"id":"2103.15959","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-29T21:17:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"bac06e5cbb62a6e0b950cdd3f79c3bf615675be443847abc4dff11a503c074cb","abstract_canon_sha256":"d2a7edf0c701783ece7c96a7c49da8dacbbc38be40a7665cd59d51699dc89996"},"schema_version":"1.0"},"canonical_sha256":"ad67f97db46fe6a53ac2b59c5951a986a554a76db74d545b4166421864abeb25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:31:23.416296Z","signature_b64":"NDaHhpD+mWsCMHnuDvLa0ZkJ43CqXDcG17kByk2SYlOWHH6wLKM6Le51ILRszUR+Gqld8IGmwKyWy5MrJEFHBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad67f97db46fe6a53ac2b59c5951a986a554a76db74d545b4166421864abeb25","last_reissued_at":"2026-07-05T02:31:23.415815Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:31:23.415815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.15959","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":"2026-07-05T02:31:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TYhgemUzotA7UJ6ZZN+SAXDSOLvGWW/Dwf1d4askiQsCylBT6DhM2oms3wQyWePqceLgGzbM5jcZOO/VdMRRCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:49:01.708485Z"},"content_sha256":"f205b133067d7dac93553369d82f81fe4402abce37534e1cc99b44029d0f6feb","schema_version":"1.0","event_id":"sha256:f205b133067d7dac93553369d82f81fe4402abce37534e1cc99b44029d0f6feb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VVT7S7NUN7TKKOWCWWOFSUNJQ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Landau level spectroscopy of PbSnSe topological crystalline insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Akihiro Ishida, Cl\\'ement Faugeras, Jan Wyzula, Karel V\\'yborn\\'y, Kl\\'ara Uhl\\'i\\v{r}ov\\'a, Kristupas Kazimieras Tikui\\v{s}is, Luk\\'a\\v{s} Ohnoutek, Martin Veis, Michael Hakl, Milan Orlita, Petr Cejpek","submitted_at":"2021-03-29T21:17:52Z","abstract_excerpt":"We report on an infrared magneto-spectroscopy study of Pb$_{1-x}$Sn$_x$Se, a topological crystalline insulator. We have examined a set of samples, all in the inverted regime of electronic bands, with the tin composition varying from $x=0.2$ to $0.33$. Our analysis shows that the observed response, composed of a series of interband inter-Landau level excitations, can be interpreted and modelled using the relativistic-like Hamiltonian for three-dimensional massive Dirac electrons, expanded to include diagonal quadratic terms that impose band inversion. In our data, we have not found any clear si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.15959","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.15959/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":"2026-07-05T02:31:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mjHrkoitZ7zR7JnQBHBaq7/kE6rsv1NUVQe24QUgAE1Q7ALVpgtcpWZgcHC2Tit5ShBj6M3hHgGDI92TCenqDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:49:01.709005Z"},"content_sha256":"813d46fc41f6a9e8c9411d54dd38ba6416b7bb3f9087945e0de9a762a22b5f5b","schema_version":"1.0","event_id":"sha256:813d46fc41f6a9e8c9411d54dd38ba6416b7bb3f9087945e0de9a762a22b5f5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VVT7S7NUN7TKKOWCWWOFSUNJQ2/bundle.json","state_url":"https://pith.science/pith/VVT7S7NUN7TKKOWCWWOFSUNJQ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VVT7S7NUN7TKKOWCWWOFSUNJQ2/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":"2026-08-05T19:49:01Z","links":{"resolver":"https://pith.science/pith/VVT7S7NUN7TKKOWCWWOFSUNJQ2","bundle":"https://pith.science/pith/VVT7S7NUN7TKKOWCWWOFSUNJQ2/bundle.json","state":"https://pith.science/pith/VVT7S7NUN7TKKOWCWWOFSUNJQ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VVT7S7NUN7TKKOWCWWOFSUNJQ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VVT7S7NUN7TKKOWCWWOFSUNJQ2","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":"d2a7edf0c701783ece7c96a7c49da8dacbbc38be40a7665cd59d51699dc89996","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-29T21:17:52Z","title_canon_sha256":"bac06e5cbb62a6e0b950cdd3f79c3bf615675be443847abc4dff11a503c074cb"},"schema_version":"1.0","source":{"id":"2103.15959","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.15959","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"arxiv_version","alias_value":"2103.15959v1","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.15959","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"pith_short_12","alias_value":"VVT7S7NUN7TK","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"pith_short_16","alias_value":"VVT7S7NUN7TKKOWC","created_at":"2026-07-05T02:31:23Z"},{"alias_kind":"pith_short_8","alias_value":"VVT7S7NU","created_at":"2026-07-05T02:31:23Z"}],"graph_snapshots":[{"event_id":"sha256:813d46fc41f6a9e8c9411d54dd38ba6416b7bb3f9087945e0de9a762a22b5f5b","target":"graph","created_at":"2026-07-05T02:31:23Z","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/2103.15959/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on an infrared magneto-spectroscopy study of Pb$_{1-x}$Sn$_x$Se, a topological crystalline insulator. We have examined a set of samples, all in the inverted regime of electronic bands, with the tin composition varying from $x=0.2$ to $0.33$. Our analysis shows that the observed response, composed of a series of interband inter-Landau level excitations, can be interpreted and modelled using the relativistic-like Hamiltonian for three-dimensional massive Dirac electrons, expanded to include diagonal quadratic terms that impose band inversion. In our data, we have not found any clear si","authors_text":"Akihiro Ishida, Cl\\'ement Faugeras, Jan Wyzula, Karel V\\'yborn\\'y, Kl\\'ara Uhl\\'i\\v{r}ov\\'a, Kristupas Kazimieras Tikui\\v{s}is, Luk\\'a\\v{s} Ohnoutek, Martin Veis, Michael Hakl, Milan Orlita, Petr Cejpek","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-29T21:17:52Z","title":"Landau level spectroscopy of PbSnSe topological crystalline insulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.15959","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:f205b133067d7dac93553369d82f81fe4402abce37534e1cc99b44029d0f6feb","target":"record","created_at":"2026-07-05T02:31:23Z","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":"d2a7edf0c701783ece7c96a7c49da8dacbbc38be40a7665cd59d51699dc89996","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-29T21:17:52Z","title_canon_sha256":"bac06e5cbb62a6e0b950cdd3f79c3bf615675be443847abc4dff11a503c074cb"},"schema_version":"1.0","source":{"id":"2103.15959","kind":"arxiv","version":1}},"canonical_sha256":"ad67f97db46fe6a53ac2b59c5951a986a554a76db74d545b4166421864abeb25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad67f97db46fe6a53ac2b59c5951a986a554a76db74d545b4166421864abeb25","first_computed_at":"2026-07-05T02:31:23.415815Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:31:23.415815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NDaHhpD+mWsCMHnuDvLa0ZkJ43CqXDcG17kByk2SYlOWHH6wLKM6Le51ILRszUR+Gqld8IGmwKyWy5MrJEFHBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:31:23.416296Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.15959","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f205b133067d7dac93553369d82f81fe4402abce37534e1cc99b44029d0f6feb","sha256:813d46fc41f6a9e8c9411d54dd38ba6416b7bb3f9087945e0de9a762a22b5f5b"],"state_sha256":"8031a16ea2d570d4f93e967cf15ab2fe18584ea0bcaebf398498cf57721d9567"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lrxHZfJ9GFLispS4LxOeOfCSh+8dtGQhMMCejYHKKwl6jQDJGyJT1DiXbYUx9TgwnEvp5ZK75LtO2LlIsh8zDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T19:49:01.721743Z","bundle_sha256":"7e7fbe5fe6fde2ccb823f41db30c6fc194968f6e5452a85172f5308dfb45cf0b"}}