{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5EJ3HLR62FXEXO7QR7ELNMIZ22","short_pith_number":"pith:5EJ3HLR6","canonical_record":{"source":{"id":"1810.10490","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-24T16:52:03Z","cross_cats_sorted":[],"title_canon_sha256":"23edb03402c544adfd437eae5fe847b9962d2bab1cb1416454dd48a6d3817d61","abstract_canon_sha256":"4ac2f9b6ce79ec268b3b39efe2997c66b2081252b4a225645cce79dbdb818d02"},"schema_version":"1.0"},"canonical_sha256":"e913b3ae3ed16e4bbbf08fc8b6b119d6adac381db016e522a452cddc20f5e4ab","source":{"kind":"arxiv","id":"1810.10490","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10490","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10490v1","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10490","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"pith_short_12","alias_value":"5EJ3HLR62FXE","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5EJ3HLR62FXEXO7Q","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5EJ3HLR6","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5EJ3HLR62FXEXO7QR7ELNMIZ22","target":"record","payload":{"canonical_record":{"source":{"id":"1810.10490","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-24T16:52:03Z","cross_cats_sorted":[],"title_canon_sha256":"23edb03402c544adfd437eae5fe847b9962d2bab1cb1416454dd48a6d3817d61","abstract_canon_sha256":"4ac2f9b6ce79ec268b3b39efe2997c66b2081252b4a225645cce79dbdb818d02"},"schema_version":"1.0"},"canonical_sha256":"e913b3ae3ed16e4bbbf08fc8b6b119d6adac381db016e522a452cddc20f5e4ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:54.426863Z","signature_b64":"I+45wYHowxW48/2IFTdaA/CYkxBYyHa3TVlO5xF76dD/XPiY47cxPLksUwHNi71QZXRlNAxYD2RpkbRk+QneBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e913b3ae3ed16e4bbbf08fc8b6b119d6adac381db016e522a452cddc20f5e4ab","last_reissued_at":"2026-05-17T23:55:54.426192Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:54.426192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.10490","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":"2026-05-17T23:55:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EffDuZV+gLgEjh+c+0hkTeiHKGyGJQYCWpDB4n2JnjccbQy5SwvecYfkLXY6Cgn4HpjDe/Fz1y3tDh62+RCzAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:30:18.856080Z"},"content_sha256":"827c688b8d98b25a656444a412ced55b310b3d884837b5e2bf52b94c5dee5d29","schema_version":"1.0","event_id":"sha256:827c688b8d98b25a656444a412ced55b310b3d884837b5e2bf52b94c5dee5d29"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5EJ3HLR62FXEXO7QR7ELNMIZ22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dirac parameters and topological phase diagram of Pb1-xSnxSe from magneto-spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. A. Assaf, G. Bauer, G. Krizman, G. Springholz, L. A. de Vaulchier, T. Phuphachong, Y. Guldner","submitted_at":"2018-10-24T16:52:03Z","abstract_excerpt":"Pb1-xSnxSe hosts 3D massive Dirac fermions across the entire composition range for which the crystal structure is cubic. In this work, we present a comprehensive experimental mapping of the 3D band structure parameters of Pb1-xSnxSe as a function of composition and temperature. We cover a parameter space spanning the band inversion that yields its topological crystalline insulator phase. A non-closure of the energy gap is evidenced in the vicinity of this phase transition. Using magnetooptical Landau level spectroscopy, we determine the energy gap, Dirac velocity, anisotropy factor and topolog"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10490","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":"2026-05-17T23:55:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UWNhV+2aDTARv9jgm3iox8496kFmWWqig103+xOiQXqo0e0MnXH5LOuYdvbd+wRtijYjGEt/eYwnh5d+M5HsCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:30:18.856439Z"},"content_sha256":"27c4e52295cc73c7f9936a472a5c95fd7f49f2a02d4a4e6f6fb45cd45b36d90f","schema_version":"1.0","event_id":"sha256:27c4e52295cc73c7f9936a472a5c95fd7f49f2a02d4a4e6f6fb45cd45b36d90f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5EJ3HLR62FXEXO7QR7ELNMIZ22/bundle.json","state_url":"https://pith.science/pith/5EJ3HLR62FXEXO7QR7ELNMIZ22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5EJ3HLR62FXEXO7QR7ELNMIZ22/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":"2026-06-01T21:30:18Z","links":{"resolver":"https://pith.science/pith/5EJ3HLR62FXEXO7QR7ELNMIZ22","bundle":"https://pith.science/pith/5EJ3HLR62FXEXO7QR7ELNMIZ22/bundle.json","state":"https://pith.science/pith/5EJ3HLR62FXEXO7QR7ELNMIZ22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5EJ3HLR62FXEXO7QR7ELNMIZ22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5EJ3HLR62FXEXO7QR7ELNMIZ22","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":"4ac2f9b6ce79ec268b3b39efe2997c66b2081252b4a225645cce79dbdb818d02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-24T16:52:03Z","title_canon_sha256":"23edb03402c544adfd437eae5fe847b9962d2bab1cb1416454dd48a6d3817d61"},"schema_version":"1.0","source":{"id":"1810.10490","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10490","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10490v1","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10490","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"pith_short_12","alias_value":"5EJ3HLR62FXE","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5EJ3HLR62FXEXO7Q","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5EJ3HLR6","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:27c4e52295cc73c7f9936a472a5c95fd7f49f2a02d4a4e6f6fb45cd45b36d90f","target":"graph","created_at":"2026-05-17T23:55:54Z","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":"Pb1-xSnxSe hosts 3D massive Dirac fermions across the entire composition range for which the crystal structure is cubic. In this work, we present a comprehensive experimental mapping of the 3D band structure parameters of Pb1-xSnxSe as a function of composition and temperature. We cover a parameter space spanning the band inversion that yields its topological crystalline insulator phase. A non-closure of the energy gap is evidenced in the vicinity of this phase transition. Using magnetooptical Landau level spectroscopy, we determine the energy gap, Dirac velocity, anisotropy factor and topolog","authors_text":"B. A. Assaf, G. Bauer, G. Krizman, G. Springholz, L. A. de Vaulchier, T. Phuphachong, Y. Guldner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-24T16:52:03Z","title":"Dirac parameters and topological phase diagram of Pb1-xSnxSe from magneto-spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10490","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":"sha256:827c688b8d98b25a656444a412ced55b310b3d884837b5e2bf52b94c5dee5d29","target":"record","created_at":"2026-05-17T23:55:54Z","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":"4ac2f9b6ce79ec268b3b39efe2997c66b2081252b4a225645cce79dbdb818d02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-24T16:52:03Z","title_canon_sha256":"23edb03402c544adfd437eae5fe847b9962d2bab1cb1416454dd48a6d3817d61"},"schema_version":"1.0","source":{"id":"1810.10490","kind":"arxiv","version":1}},"canonical_sha256":"e913b3ae3ed16e4bbbf08fc8b6b119d6adac381db016e522a452cddc20f5e4ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e913b3ae3ed16e4bbbf08fc8b6b119d6adac381db016e522a452cddc20f5e4ab","first_computed_at":"2026-05-17T23:55:54.426192Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:54.426192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I+45wYHowxW48/2IFTdaA/CYkxBYyHa3TVlO5xF76dD/XPiY47cxPLksUwHNi71QZXRlNAxYD2RpkbRk+QneBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:54.426863Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.10490","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:827c688b8d98b25a656444a412ced55b310b3d884837b5e2bf52b94c5dee5d29","sha256:27c4e52295cc73c7f9936a472a5c95fd7f49f2a02d4a4e6f6fb45cd45b36d90f"],"state_sha256":"4b2db993b190ab585a2bb1adc4b3d63a4f52470194555afab5cff17d8c600858"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SbMnYDeDjXvq2YonGEa4CHB4/xA4G7xSw4pSff+D6a5fFOIqeyuBlWL0kJzd+oCpltJgu3CJVHCctFc2OVbSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:30:18.858408Z","bundle_sha256":"5d4631f2648a77eb9e339b5f922ff7b8d3eea6d97b77d9698262c5fb6c2d2f2b"}}