{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ELRK5WZUIAWTNE4ZNBVM5XU6EM","short_pith_number":"pith:ELRK5WZU","canonical_record":{"source":{"id":"1603.02603","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-08T17:28:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3078c50554205849226072c5ac1310d9910ffab6d75f5883e43cccdc12b55cb1","abstract_canon_sha256":"68aab5054e4b39dd717d8dd9f0bc6abd7067706f05cc4883b51b8810a7000863"},"schema_version":"1.0"},"canonical_sha256":"22e2aedb34402d369399686acede9e2327876b5fef017c70797b407891346fed","source":{"kind":"arxiv","id":"1603.02603","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02603","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02603v1","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02603","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"pith_short_12","alias_value":"ELRK5WZUIAWT","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"ELRK5WZUIAWTNE4Z","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"ELRK5WZU","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ELRK5WZUIAWTNE4ZNBVM5XU6EM","target":"record","payload":{"canonical_record":{"source":{"id":"1603.02603","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-08T17:28:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3078c50554205849226072c5ac1310d9910ffab6d75f5883e43cccdc12b55cb1","abstract_canon_sha256":"68aab5054e4b39dd717d8dd9f0bc6abd7067706f05cc4883b51b8810a7000863"},"schema_version":"1.0"},"canonical_sha256":"22e2aedb34402d369399686acede9e2327876b5fef017c70797b407891346fed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:54.583109Z","signature_b64":"JqyncvdFphBQ67LKFf0ZGE26B+FkAxS7QfrSL9EdsIF+vV7R4Mn4IqbM2vQmuLReK+H7ckJP9Ym6PgxeS5iSAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22e2aedb34402d369399686acede9e2327876b5fef017c70797b407891346fed","last_reissued_at":"2026-05-18T01:13:54.582525Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:54.582525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.02603","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":"2026-05-18T01:13:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g3H4pANdgRbpLfnJ9X0MCxYbQojSGcuuv1tJ/1Aa9vCMO0dPjJ52rT0Xsw4GRe6o6rT/URzK4lD1iPlCiW6VCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:16:04.342951Z"},"content_sha256":"1f0117e9f42d09443dff99172f63ed790a92f92997d27ade0ed46df3db611440","schema_version":"1.0","event_id":"sha256:1f0117e9f42d09443dff99172f63ed790a92f92997d27ade0ed46df3db611440"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ELRK5WZUIAWTNE4ZNBVM5XU6EM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The hole Fermi surface in Bi$_{2}$Se$_{3}$ probed by quantum oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"B. A. Piot, D.K. Maude, G. Martinez, M. Orlita, M. Potemski, W. Desrat, Y.S. Hor","submitted_at":"2016-03-08T17:28:49Z","abstract_excerpt":"Transport and torque magnetometry measurements are performed at high magnetic fields and low temperatures in a series of p-type (Ca-doped) Bi$_{2}$Se$_{3}$ crystals. The angular dependence of the Shubnikov-de Haas and de Haas-van Alphen quantum oscillations enables us to determine the Fermi surface of the bulk valence band states as a function of the carrier density. At low density, the angular dependence exhibits a downturn in the oscillations frequency between $0^\\circ$ and $90^\\circ$, reflecting a bag-shaped hole Fermi surface. The detection of a single frequency for all tilt angles rules o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02603","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":"2026-05-18T01:13:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EbX/5i1/1XGBWHqsth0WKgTrl7b2MrmZtWb574hhO/xDfRi/wqZ5yugLqXWZ0QJf4mO9lCUCFzJvkDWhYS4GCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:16:04.343295Z"},"content_sha256":"e4e48cb725de787071c758cfb172fdf7ca2c9b56cdcf6d2465d205317c89e0f3","schema_version":"1.0","event_id":"sha256:e4e48cb725de787071c758cfb172fdf7ca2c9b56cdcf6d2465d205317c89e0f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ELRK5WZUIAWTNE4ZNBVM5XU6EM/bundle.json","state_url":"https://pith.science/pith/ELRK5WZUIAWTNE4ZNBVM5XU6EM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ELRK5WZUIAWTNE4ZNBVM5XU6EM/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":"2026-06-03T22:16:04Z","links":{"resolver":"https://pith.science/pith/ELRK5WZUIAWTNE4ZNBVM5XU6EM","bundle":"https://pith.science/pith/ELRK5WZUIAWTNE4ZNBVM5XU6EM/bundle.json","state":"https://pith.science/pith/ELRK5WZUIAWTNE4ZNBVM5XU6EM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ELRK5WZUIAWTNE4ZNBVM5XU6EM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ELRK5WZUIAWTNE4ZNBVM5XU6EM","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":"68aab5054e4b39dd717d8dd9f0bc6abd7067706f05cc4883b51b8810a7000863","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-08T17:28:49Z","title_canon_sha256":"3078c50554205849226072c5ac1310d9910ffab6d75f5883e43cccdc12b55cb1"},"schema_version":"1.0","source":{"id":"1603.02603","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02603","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02603v1","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02603","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"pith_short_12","alias_value":"ELRK5WZUIAWT","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"ELRK5WZUIAWTNE4Z","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"ELRK5WZU","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:e4e48cb725de787071c758cfb172fdf7ca2c9b56cdcf6d2465d205317c89e0f3","target":"graph","created_at":"2026-05-18T01:13:54Z","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":"Transport and torque magnetometry measurements are performed at high magnetic fields and low temperatures in a series of p-type (Ca-doped) Bi$_{2}$Se$_{3}$ crystals. The angular dependence of the Shubnikov-de Haas and de Haas-van Alphen quantum oscillations enables us to determine the Fermi surface of the bulk valence band states as a function of the carrier density. At low density, the angular dependence exhibits a downturn in the oscillations frequency between $0^\\circ$ and $90^\\circ$, reflecting a bag-shaped hole Fermi surface. The detection of a single frequency for all tilt angles rules o","authors_text":"B. A. Piot, D.K. Maude, G. Martinez, M. Orlita, M. Potemski, W. Desrat, Y.S. Hor","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-08T17:28:49Z","title":"The hole Fermi surface in Bi$_{2}$Se$_{3}$ probed by quantum oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02603","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":"sha256:1f0117e9f42d09443dff99172f63ed790a92f92997d27ade0ed46df3db611440","target":"record","created_at":"2026-05-18T01:13:54Z","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":"68aab5054e4b39dd717d8dd9f0bc6abd7067706f05cc4883b51b8810a7000863","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-08T17:28:49Z","title_canon_sha256":"3078c50554205849226072c5ac1310d9910ffab6d75f5883e43cccdc12b55cb1"},"schema_version":"1.0","source":{"id":"1603.02603","kind":"arxiv","version":1}},"canonical_sha256":"22e2aedb34402d369399686acede9e2327876b5fef017c70797b407891346fed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22e2aedb34402d369399686acede9e2327876b5fef017c70797b407891346fed","first_computed_at":"2026-05-18T01:13:54.582525Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:54.582525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JqyncvdFphBQ67LKFf0ZGE26B+FkAxS7QfrSL9EdsIF+vV7R4Mn4IqbM2vQmuLReK+H7ckJP9Ym6PgxeS5iSAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:54.583109Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.02603","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f0117e9f42d09443dff99172f63ed790a92f92997d27ade0ed46df3db611440","sha256:e4e48cb725de787071c758cfb172fdf7ca2c9b56cdcf6d2465d205317c89e0f3"],"state_sha256":"506d81b4db19ab6dc7791b7e88dc7f03c99fcc6f9a5c5f3ec7c293fe818a560b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XAonU9KIra5K+Qi2vW57kR/tIkhtcIpaIVkXbBzor5c4GqeKSfi2mbomIpW62hT+QDMaIgHX7YATRR/iNm7+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T22:16:04.345189Z","bundle_sha256":"8c0d8771dc9364527b82bb7a1391653db2f11accaf7b5f90031814155d263206"}}