{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GU7PVWLVH3AZK6QZMFGRKGW6I7","short_pith_number":"pith:GU7PVWLV","canonical_record":{"source":{"id":"1903.02208","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-03-06T07:18:13Z","cross_cats_sorted":[],"title_canon_sha256":"7965295c567971f3b0066abf2351740151a5205ce68246fe07b3d82aeb1372e4","abstract_canon_sha256":"545752387247d026458fc85b29ef88641d325d69ce8a272a395d6b069c7a0d74"},"schema_version":"1.0"},"canonical_sha256":"353efad9753ec1957a19614d151ade47e33cb0ec8d6a1f74155a641450b1a6b2","source":{"kind":"arxiv","id":"1903.02208","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02208","created_at":"2026-05-17T23:51:46Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02208v1","created_at":"2026-05-17T23:51:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02208","created_at":"2026-05-17T23:51:46Z"},{"alias_kind":"pith_short_12","alias_value":"GU7PVWLVH3AZ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GU7PVWLVH3AZK6QZ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GU7PVWLV","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GU7PVWLVH3AZK6QZMFGRKGW6I7","target":"record","payload":{"canonical_record":{"source":{"id":"1903.02208","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-03-06T07:18:13Z","cross_cats_sorted":[],"title_canon_sha256":"7965295c567971f3b0066abf2351740151a5205ce68246fe07b3d82aeb1372e4","abstract_canon_sha256":"545752387247d026458fc85b29ef88641d325d69ce8a272a395d6b069c7a0d74"},"schema_version":"1.0"},"canonical_sha256":"353efad9753ec1957a19614d151ade47e33cb0ec8d6a1f74155a641450b1a6b2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:46.439135Z","signature_b64":"+oMIZAqRBUQlFKF5IxrdRs3Hq/lpgrRF91ipHpCJw0NAjprZGZmMgHhSndQzZgvRYrab+VFOpoWoYyxxD6k/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"353efad9753ec1957a19614d151ade47e33cb0ec8d6a1f74155a641450b1a6b2","last_reissued_at":"2026-05-17T23:51:46.438588Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:46.438588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.02208","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":"2026-05-17T23:51:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b3vgFDfJFl8k74tI4iOsMEcDf8Tu/CnbMKm2iW+jPAom/XN5YLVpk2tEBLdHbM/CXBj+qp5WhHrbPkwJwXCSDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:17:38.392486Z"},"content_sha256":"21f176d92e20e2027cf7b7962c44ddaba9a3b520452b5f6f553217f0ab2319be","schema_version":"1.0","event_id":"sha256:21f176d92e20e2027cf7b7962c44ddaba9a3b520452b5f6f553217f0ab2319be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GU7PVWLVH3AZK6QZMFGRKGW6I7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Novel synthesis of topological insulator based nanostructures (Bi2Te3) demonstrating high performance photodetection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alka Sharma, Sudhir Husale, T D Senguttuvan, V N Ojha","submitted_at":"2019-03-06T07:18:13Z","abstract_excerpt":"The rapid progress in 2D material research has triggered the growth of various quantum nanostructures-nanosheets, nanowires, nanoribbons, nanocrystals and the exotic nature originating through 2D heterostructures has extended the synthesis of hybrid materials beyond the conventional approaches. Here we introduce simple, one step confined thin melting approach to form nanostructures of TI (topological insulator) materials, their hybrid heterostructures with other novel 2D materials and their scalable growth. The substrate and temperature dependent growth is investigated on insulating, supercond"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02208","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":"2026-05-17T23:51:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pi9dPiwfuRScAX9VQo4X5RJI9kGeMf6O6KFvbEVXbVLnkFdvyRuY18WEwhlQqam3NgA23uJBekKoLLaP2G0+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:17:38.392830Z"},"content_sha256":"6f1113fc0e56f83a6debd44ef3aedb9f050581b84e545e562f046caa3b8b509b","schema_version":"1.0","event_id":"sha256:6f1113fc0e56f83a6debd44ef3aedb9f050581b84e545e562f046caa3b8b509b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GU7PVWLVH3AZK6QZMFGRKGW6I7/bundle.json","state_url":"https://pith.science/pith/GU7PVWLVH3AZK6QZMFGRKGW6I7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GU7PVWLVH3AZK6QZMFGRKGW6I7/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":"2026-06-26T16:17:38Z","links":{"resolver":"https://pith.science/pith/GU7PVWLVH3AZK6QZMFGRKGW6I7","bundle":"https://pith.science/pith/GU7PVWLVH3AZK6QZMFGRKGW6I7/bundle.json","state":"https://pith.science/pith/GU7PVWLVH3AZK6QZMFGRKGW6I7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GU7PVWLVH3AZK6QZMFGRKGW6I7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GU7PVWLVH3AZK6QZMFGRKGW6I7","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":"545752387247d026458fc85b29ef88641d325d69ce8a272a395d6b069c7a0d74","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-03-06T07:18:13Z","title_canon_sha256":"7965295c567971f3b0066abf2351740151a5205ce68246fe07b3d82aeb1372e4"},"schema_version":"1.0","source":{"id":"1903.02208","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02208","created_at":"2026-05-17T23:51:46Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02208v1","created_at":"2026-05-17T23:51:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02208","created_at":"2026-05-17T23:51:46Z"},{"alias_kind":"pith_short_12","alias_value":"GU7PVWLVH3AZ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GU7PVWLVH3AZK6QZ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GU7PVWLV","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:6f1113fc0e56f83a6debd44ef3aedb9f050581b84e545e562f046caa3b8b509b","target":"graph","created_at":"2026-05-17T23:51:46Z","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":"The rapid progress in 2D material research has triggered the growth of various quantum nanostructures-nanosheets, nanowires, nanoribbons, nanocrystals and the exotic nature originating through 2D heterostructures has extended the synthesis of hybrid materials beyond the conventional approaches. Here we introduce simple, one step confined thin melting approach to form nanostructures of TI (topological insulator) materials, their hybrid heterostructures with other novel 2D materials and their scalable growth. The substrate and temperature dependent growth is investigated on insulating, supercond","authors_text":"Alka Sharma, Sudhir Husale, T D Senguttuvan, V N Ojha","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-03-06T07:18:13Z","title":"Novel synthesis of topological insulator based nanostructures (Bi2Te3) demonstrating high performance photodetection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02208","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":"sha256:21f176d92e20e2027cf7b7962c44ddaba9a3b520452b5f6f553217f0ab2319be","target":"record","created_at":"2026-05-17T23:51:46Z","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":"545752387247d026458fc85b29ef88641d325d69ce8a272a395d6b069c7a0d74","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-03-06T07:18:13Z","title_canon_sha256":"7965295c567971f3b0066abf2351740151a5205ce68246fe07b3d82aeb1372e4"},"schema_version":"1.0","source":{"id":"1903.02208","kind":"arxiv","version":1}},"canonical_sha256":"353efad9753ec1957a19614d151ade47e33cb0ec8d6a1f74155a641450b1a6b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"353efad9753ec1957a19614d151ade47e33cb0ec8d6a1f74155a641450b1a6b2","first_computed_at":"2026-05-17T23:51:46.438588Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:46.438588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+oMIZAqRBUQlFKF5IxrdRs3Hq/lpgrRF91ipHpCJw0NAjprZGZmMgHhSndQzZgvRYrab+VFOpoWoYyxxD6k/CA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:46.439135Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02208","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21f176d92e20e2027cf7b7962c44ddaba9a3b520452b5f6f553217f0ab2319be","sha256:6f1113fc0e56f83a6debd44ef3aedb9f050581b84e545e562f046caa3b8b509b"],"state_sha256":"8750c111847317e757c4f0bd0859f544cdc97106234f4d9952c3b2eba3bbd94e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QI1rEjZ+M400hnAjfpQVphFFxqpFAZtGSDAz0h8QnCpGnJo89yd81TAmp44QPn309ndiELLFRlBiIqpKfFWRAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T16:17:38.394736Z","bundle_sha256":"7eb43988b7ebd950d7cec24ef944fcab8b5c44c8468e1198e2188fd924192e0e"}}