{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KK5G5VQIF5L7XDJZJ2U5LLLICX","short_pith_number":"pith:KK5G5VQI","canonical_record":{"source":{"id":"1409.1356","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-04T08:29:08Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"835601fa717ef4536bd65d173dc5b99c0fe991751ee587ece217f4fff0850e25","abstract_canon_sha256":"1188402b0c8ecc887598ff96490669b6828af86f186abcc98e83d25b293eecfe"},"schema_version":"1.0"},"canonical_sha256":"52ba6ed6082f57fb8d394ea9d5ad6815f4b1526d3961b3148a16bf9c838b3b21","source":{"kind":"arxiv","id":"1409.1356","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1356","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1356v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1356","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"KK5G5VQIF5L7","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KK5G5VQIF5L7XDJZ","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KK5G5VQI","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KK5G5VQIF5L7XDJZJ2U5LLLICX","target":"record","payload":{"canonical_record":{"source":{"id":"1409.1356","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-04T08:29:08Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"835601fa717ef4536bd65d173dc5b99c0fe991751ee587ece217f4fff0850e25","abstract_canon_sha256":"1188402b0c8ecc887598ff96490669b6828af86f186abcc98e83d25b293eecfe"},"schema_version":"1.0"},"canonical_sha256":"52ba6ed6082f57fb8d394ea9d5ad6815f4b1526d3961b3148a16bf9c838b3b21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:08.159096Z","signature_b64":"whQppEepHqA/sPNqlAXfmHPBxVjSGzrF1L1q8LfCgcCHP3s9AoFzxOIZrDQdcmLzvrNZpaNJIhy5aUHLESEDDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52ba6ed6082f57fb8d394ea9d5ad6815f4b1526d3961b3148a16bf9c838b3b21","last_reissued_at":"2026-05-18T01:42:08.158396Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:08.158396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.1356","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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xqlk6Hx37mRfyRrDmP9YeAz5MlTXf+ANdVn4yEeMMKuwye0lISbuwH/HZUxy1K6e9Pkh77xIkr01lC7IySRGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T17:20:44.219699Z"},"content_sha256":"c40d5328b44a42e93649a973b9e4d766ab4067ad478151941ce1f1c7324fabea","schema_version":"1.0","event_id":"sha256:c40d5328b44a42e93649a973b9e4d766ab4067ad478151941ce1f1c7324fabea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KK5G5VQIF5L7XDJZJ2U5LLLICX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for topological surface states in metallic single crystals of Bi2Te3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Anjan K. Gupta, K. P. Rajeev, Sourabh Barua","submitted_at":"2014-09-04T08:29:08Z","abstract_excerpt":"Bi2Te3 is a member of a new class of materials known as topological insulators which are supposed to be insulating in the bulk and conducting on the surface. However experimental verification of the surface states has been difficult in electrical transport measurements due to a conducting bulk. We report low temperature magnetotransport measurements on single crystal samples of Bi2Te3. We observe metallic character in our samples and large and linear magnetoresistance from 1.5 K to 290 K with prominent Shubnikov-de Haas (SdH) oscillations whose traces persist upto 20 K. Even though our samples"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1356","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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zYXyhzGnqISzayR+LofDIALmKkRUxs+DYHfnMonkkupQFtbK3AtW13YjRn3l7OxKwjCemjlewTVCgJs+2NEYCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T17:20:44.220036Z"},"content_sha256":"0ce3dcd59ea6db4e7e3852e2cafe136821eb4ac80d85d48c79d9dc784ce743f3","schema_version":"1.0","event_id":"sha256:0ce3dcd59ea6db4e7e3852e2cafe136821eb4ac80d85d48c79d9dc784ce743f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KK5G5VQIF5L7XDJZJ2U5LLLICX/bundle.json","state_url":"https://pith.science/pith/KK5G5VQIF5L7XDJZJ2U5LLLICX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KK5G5VQIF5L7XDJZJ2U5LLLICX/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":"2026-06-27T17:20:44Z","links":{"resolver":"https://pith.science/pith/KK5G5VQIF5L7XDJZJ2U5LLLICX","bundle":"https://pith.science/pith/KK5G5VQIF5L7XDJZJ2U5LLLICX/bundle.json","state":"https://pith.science/pith/KK5G5VQIF5L7XDJZJ2U5LLLICX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KK5G5VQIF5L7XDJZJ2U5LLLICX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KK5G5VQIF5L7XDJZJ2U5LLLICX","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":"1188402b0c8ecc887598ff96490669b6828af86f186abcc98e83d25b293eecfe","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-04T08:29:08Z","title_canon_sha256":"835601fa717ef4536bd65d173dc5b99c0fe991751ee587ece217f4fff0850e25"},"schema_version":"1.0","source":{"id":"1409.1356","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1356","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1356v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1356","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"KK5G5VQIF5L7","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KK5G5VQIF5L7XDJZ","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KK5G5VQI","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:0ce3dcd59ea6db4e7e3852e2cafe136821eb4ac80d85d48c79d9dc784ce743f3","target":"graph","created_at":"2026-05-18T01:42:08Z","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":"Bi2Te3 is a member of a new class of materials known as topological insulators which are supposed to be insulating in the bulk and conducting on the surface. However experimental verification of the surface states has been difficult in electrical transport measurements due to a conducting bulk. We report low temperature magnetotransport measurements on single crystal samples of Bi2Te3. We observe metallic character in our samples and large and linear magnetoresistance from 1.5 K to 290 K with prominent Shubnikov-de Haas (SdH) oscillations whose traces persist upto 20 K. Even though our samples","authors_text":"Anjan K. Gupta, K. P. Rajeev, Sourabh Barua","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-04T08:29:08Z","title":"Evidence for topological surface states in metallic single crystals of Bi2Te3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1356","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:c40d5328b44a42e93649a973b9e4d766ab4067ad478151941ce1f1c7324fabea","target":"record","created_at":"2026-05-18T01:42:08Z","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":"1188402b0c8ecc887598ff96490669b6828af86f186abcc98e83d25b293eecfe","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-04T08:29:08Z","title_canon_sha256":"835601fa717ef4536bd65d173dc5b99c0fe991751ee587ece217f4fff0850e25"},"schema_version":"1.0","source":{"id":"1409.1356","kind":"arxiv","version":1}},"canonical_sha256":"52ba6ed6082f57fb8d394ea9d5ad6815f4b1526d3961b3148a16bf9c838b3b21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52ba6ed6082f57fb8d394ea9d5ad6815f4b1526d3961b3148a16bf9c838b3b21","first_computed_at":"2026-05-18T01:42:08.158396Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:08.158396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"whQppEepHqA/sPNqlAXfmHPBxVjSGzrF1L1q8LfCgcCHP3s9AoFzxOIZrDQdcmLzvrNZpaNJIhy5aUHLESEDDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:08.159096Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1356","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c40d5328b44a42e93649a973b9e4d766ab4067ad478151941ce1f1c7324fabea","sha256:0ce3dcd59ea6db4e7e3852e2cafe136821eb4ac80d85d48c79d9dc784ce743f3"],"state_sha256":"aaaea27b58fd7583b606a78ab826beb5efe25b3b3a8aae2389ef7df73658b63f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vea2euiEUY5OfJhk/ZR0mJSVI2EFbirzveVrRHYsGKtg+oV890QNz1/0lpo3D1aPMMuLE5OxBhbFlJ+TFicoCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T17:20:44.221866Z","bundle_sha256":"cdbdfa78d972e67e29755059a741f13c06f21709e4a716ebae16369722e0bdf1"}}