{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QDHLBVU636JH7CBCMCAXYUCHZE","short_pith_number":"pith:QDHLBVU6","canonical_record":{"source":{"id":"1804.01531","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-04T18:00:00Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"75e6deaf70f3aebac07b27b39b482c17d3f13a6a2f92766a1c52ee15264b2789","abstract_canon_sha256":"458333c0c7a88ae5b0fd413bff0422ba82cd9302d73e4bb7f210d1acfd815b3a"},"schema_version":"1.0"},"canonical_sha256":"80ceb0d69edf927f882260817c5047c92591d1dd83bf5c533b06fe5be6101edd","source":{"kind":"arxiv","id":"1804.01531","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01531","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01531v3","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01531","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"pith_short_12","alias_value":"QDHLBVU636JH","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QDHLBVU636JH7CBC","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QDHLBVU6","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QDHLBVU636JH7CBCMCAXYUCHZE","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01531","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-04T18:00:00Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"75e6deaf70f3aebac07b27b39b482c17d3f13a6a2f92766a1c52ee15264b2789","abstract_canon_sha256":"458333c0c7a88ae5b0fd413bff0422ba82cd9302d73e4bb7f210d1acfd815b3a"},"schema_version":"1.0"},"canonical_sha256":"80ceb0d69edf927f882260817c5047c92591d1dd83bf5c533b06fe5be6101edd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:16.520093Z","signature_b64":"JigiYUHdeejW5BLLAzrdxejJ/SR/PUqqXqbC4fpkP9OL57G94JOAQ8L8p2FN1Ga3ET/kcN7emUuSOnN6pOb3CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80ceb0d69edf927f882260817c5047c92591d1dd83bf5c533b06fe5be6101edd","last_reissued_at":"2026-05-18T00:01:16.519563Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:16.519563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01531","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:01:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"THaay9h9AmmuekjGggcjcoubMFlqHac/8U8wJdTIDve0qLMX5VezzjWh0LDJai296Qo8m+Pym43ays5MrKUZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:58:57.983864Z"},"content_sha256":"04243778c5efb2a457cc46d60d1ed1820c80c5ca73f2f40290327564ccbfdbfc","schema_version":"1.0","event_id":"sha256:04243778c5efb2a457cc46d60d1ed1820c80c5ca73f2f40290327564ccbfdbfc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QDHLBVU636JH7CBCMCAXYUCHZE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weak-Pairing Higher Order Topological Superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Mao Lin, Taylor L. Hughes, Yuxuan Wang","submitted_at":"2018-04-04T18:00:00Z","abstract_excerpt":"Conventional topological superconductors are fully gapped in the bulk but host gapless Majorana modes on their boundaries. We instead focus on a new class of superconductors, second-order topological superconductors, that have gapped, topological surfaces and gapless Majorana modes instead on lower-dimensional boundaries, i.e., corners of a two-dimensional system or hinges for a three-dimensional system. Here we propose two general scenarios in which second-order topological superconductivity can be realized spontaneously with weak-pairing instabilities. First, we show that $p_x+ip_y$-wave pai"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01531","kind":"arxiv","version":3},"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":"2026-05-18T00:01:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bzC+d1aL4MbZFADmJ1DRqc6zInswzfn2KEUarcPzbf2BCr6NT73cwKggqrOtEeg4N4lS1MAtmI1Eaj0w1eApCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:58:57.984231Z"},"content_sha256":"97f5b3095846d3b62a124fa218a06f58135523dd7c6a1854573e6f5606f92005","schema_version":"1.0","event_id":"sha256:97f5b3095846d3b62a124fa218a06f58135523dd7c6a1854573e6f5606f92005"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QDHLBVU636JH7CBCMCAXYUCHZE/bundle.json","state_url":"https://pith.science/pith/QDHLBVU636JH7CBCMCAXYUCHZE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QDHLBVU636JH7CBCMCAXYUCHZE/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":"2026-05-27T10:58:57Z","links":{"resolver":"https://pith.science/pith/QDHLBVU636JH7CBCMCAXYUCHZE","bundle":"https://pith.science/pith/QDHLBVU636JH7CBCMCAXYUCHZE/bundle.json","state":"https://pith.science/pith/QDHLBVU636JH7CBCMCAXYUCHZE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QDHLBVU636JH7CBCMCAXYUCHZE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QDHLBVU636JH7CBCMCAXYUCHZE","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":"458333c0c7a88ae5b0fd413bff0422ba82cd9302d73e4bb7f210d1acfd815b3a","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-04T18:00:00Z","title_canon_sha256":"75e6deaf70f3aebac07b27b39b482c17d3f13a6a2f92766a1c52ee15264b2789"},"schema_version":"1.0","source":{"id":"1804.01531","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01531","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01531v3","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01531","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"pith_short_12","alias_value":"QDHLBVU636JH","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QDHLBVU636JH7CBC","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QDHLBVU6","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:97f5b3095846d3b62a124fa218a06f58135523dd7c6a1854573e6f5606f92005","target":"graph","created_at":"2026-05-18T00:01:16Z","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":"Conventional topological superconductors are fully gapped in the bulk but host gapless Majorana modes on their boundaries. We instead focus on a new class of superconductors, second-order topological superconductors, that have gapped, topological surfaces and gapless Majorana modes instead on lower-dimensional boundaries, i.e., corners of a two-dimensional system or hinges for a three-dimensional system. Here we propose two general scenarios in which second-order topological superconductivity can be realized spontaneously with weak-pairing instabilities. First, we show that $p_x+ip_y$-wave pai","authors_text":"Mao Lin, Taylor L. Hughes, Yuxuan Wang","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-04T18:00:00Z","title":"Weak-Pairing Higher Order Topological Superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01531","kind":"arxiv","version":3},"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":"sha256:04243778c5efb2a457cc46d60d1ed1820c80c5ca73f2f40290327564ccbfdbfc","target":"record","created_at":"2026-05-18T00:01:16Z","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":"458333c0c7a88ae5b0fd413bff0422ba82cd9302d73e4bb7f210d1acfd815b3a","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-04T18:00:00Z","title_canon_sha256":"75e6deaf70f3aebac07b27b39b482c17d3f13a6a2f92766a1c52ee15264b2789"},"schema_version":"1.0","source":{"id":"1804.01531","kind":"arxiv","version":3}},"canonical_sha256":"80ceb0d69edf927f882260817c5047c92591d1dd83bf5c533b06fe5be6101edd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80ceb0d69edf927f882260817c5047c92591d1dd83bf5c533b06fe5be6101edd","first_computed_at":"2026-05-18T00:01:16.519563Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:16.519563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JigiYUHdeejW5BLLAzrdxejJ/SR/PUqqXqbC4fpkP9OL57G94JOAQ8L8p2FN1Ga3ET/kcN7emUuSOnN6pOb3CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:16.520093Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01531","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04243778c5efb2a457cc46d60d1ed1820c80c5ca73f2f40290327564ccbfdbfc","sha256:97f5b3095846d3b62a124fa218a06f58135523dd7c6a1854573e6f5606f92005"],"state_sha256":"162908d10984b5323097b5b98ec724ca76d3599476da1557fd3527d4933d9c49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ffhAxm2tW9tCPJNJCr2WnUifwfAXcbJGxAQhQ9IaHfVsj6bLgm7kp4Er8ASU2LeVIoROYcAksM5ZC+O7jJvMBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:58:57.987726Z","bundle_sha256":"102f127120b536e9c140c05a15971c45d31311f01a7865e8502665636c605b11"}}