{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LOK4A6QIKNKE5EWWGIP7GD2YFC","short_pith_number":"pith:LOK4A6QI","canonical_record":{"source":{"id":"1704.06389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-21T04:03:05Z","cross_cats_sorted":[],"title_canon_sha256":"aeada66967a9d6803e780dcaf1421ad5445768dabed3aed9788554a8d11f7b2d","abstract_canon_sha256":"11abb90a71aa9ac5f9951fc29e1520c3db4c02f3b66cf21fbb46e9b3aa336823"},"schema_version":"1.0"},"canonical_sha256":"5b95c07a0853544e92d6321ff30f5828affe78160d5cb221dd3b6d10a4c335c8","source":{"kind":"arxiv","id":"1704.06389","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06389","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06389v1","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06389","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"LOK4A6QIKNKE","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LOK4A6QIKNKE5EWW","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LOK4A6QI","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LOK4A6QIKNKE5EWWGIP7GD2YFC","target":"record","payload":{"canonical_record":{"source":{"id":"1704.06389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-21T04:03:05Z","cross_cats_sorted":[],"title_canon_sha256":"aeada66967a9d6803e780dcaf1421ad5445768dabed3aed9788554a8d11f7b2d","abstract_canon_sha256":"11abb90a71aa9ac5f9951fc29e1520c3db4c02f3b66cf21fbb46e9b3aa336823"},"schema_version":"1.0"},"canonical_sha256":"5b95c07a0853544e92d6321ff30f5828affe78160d5cb221dd3b6d10a4c335c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:59.774183Z","signature_b64":"mGFpTWnmhbFI7kKwgn6NjlLDG6ce8EHxs2H/InIdrYcO/1sp/BFkli1CEUuIhBWfiPzqTrq3jm8AtYe67NQOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b95c07a0853544e92d6321ff30f5828affe78160d5cb221dd3b6d10a4c335c8","last_reissued_at":"2026-05-18T00:45:59.773610Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:59.773610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.06389","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":"2026-05-18T00:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V6s+16TpAovZgf5yqrgm40Bo+GMSQB54Ps7OBm0n2LiXcSeBYkYmnVvEXh4r54RPE7GVXem2TpLdPOBJSxTqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:16:00.551260Z"},"content_sha256":"f4a6d76b12c759566c421ee539a3f3c86d3cbec9efc11c773d32b13f8f539abe","schema_version":"1.0","event_id":"sha256:f4a6d76b12c759566c421ee539a3f3c86d3cbec9efc11c773d32b13f8f539abe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LOK4A6QIKNKE5EWWGIP7GD2YFC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Janus Monolayer Transition Metal Dichalcogenides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Dequan Er, Hua Guo, Jing Zhang, Jun Lou, Kholmanov Iskandar, Liang Dong, Li Shi, Shuai Jia, Vivek B. Shenoy, Weibing Chen, Zehua Jin","submitted_at":"2017-04-21T04:03:05Z","abstract_excerpt":"A novel crystal configuration of sandwiched S-Mo-Se structure (Janus SMoSe) at the monolayer limit has been synthesized and carefully characterized in this work. By controlled sulfurization of monolayer MoSe2 the top layer of selenium atoms are substituted by sulfur atoms while the bottom selenium layer remains intact. The peculiar structure of this new material is systematically investigated by Raman, photoluminescence and X-ray photoelectron spectroscopy and confirmed by transmission-electron microscopy and time-of-flight secondary ion mass spectrometry. Density-functional theory calculation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06389","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":"2026-05-18T00:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mCR5w7xXl2BXKCJQC3zJrZD1CJYI5BeNbjqvrpYU/mf77tOlj+Jvctt4D8TEetzY5C7tgfB8+FaP46TOMIF6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:16:00.552064Z"},"content_sha256":"b58440eb8e687679ba2e8baa543ed542e7e2551da8d6fdfece8450a9a7b5e59d","schema_version":"1.0","event_id":"sha256:b58440eb8e687679ba2e8baa543ed542e7e2551da8d6fdfece8450a9a7b5e59d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOK4A6QIKNKE5EWWGIP7GD2YFC/bundle.json","state_url":"https://pith.science/pith/LOK4A6QIKNKE5EWWGIP7GD2YFC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOK4A6QIKNKE5EWWGIP7GD2YFC/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":"2026-05-19T08:16:00Z","links":{"resolver":"https://pith.science/pith/LOK4A6QIKNKE5EWWGIP7GD2YFC","bundle":"https://pith.science/pith/LOK4A6QIKNKE5EWWGIP7GD2YFC/bundle.json","state":"https://pith.science/pith/LOK4A6QIKNKE5EWWGIP7GD2YFC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOK4A6QIKNKE5EWWGIP7GD2YFC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LOK4A6QIKNKE5EWWGIP7GD2YFC","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":"11abb90a71aa9ac5f9951fc29e1520c3db4c02f3b66cf21fbb46e9b3aa336823","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-21T04:03:05Z","title_canon_sha256":"aeada66967a9d6803e780dcaf1421ad5445768dabed3aed9788554a8d11f7b2d"},"schema_version":"1.0","source":{"id":"1704.06389","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06389","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06389v1","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06389","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"LOK4A6QIKNKE","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LOK4A6QIKNKE5EWW","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LOK4A6QI","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:b58440eb8e687679ba2e8baa543ed542e7e2551da8d6fdfece8450a9a7b5e59d","target":"graph","created_at":"2026-05-18T00:45:59Z","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":"A novel crystal configuration of sandwiched S-Mo-Se structure (Janus SMoSe) at the monolayer limit has been synthesized and carefully characterized in this work. By controlled sulfurization of monolayer MoSe2 the top layer of selenium atoms are substituted by sulfur atoms while the bottom selenium layer remains intact. The peculiar structure of this new material is systematically investigated by Raman, photoluminescence and X-ray photoelectron spectroscopy and confirmed by transmission-electron microscopy and time-of-flight secondary ion mass spectrometry. Density-functional theory calculation","authors_text":"Dequan Er, Hua Guo, Jing Zhang, Jun Lou, Kholmanov Iskandar, Liang Dong, Li Shi, Shuai Jia, Vivek B. Shenoy, Weibing Chen, Zehua Jin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-21T04:03:05Z","title":"Janus Monolayer Transition Metal Dichalcogenides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06389","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:f4a6d76b12c759566c421ee539a3f3c86d3cbec9efc11c773d32b13f8f539abe","target":"record","created_at":"2026-05-18T00:45:59Z","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":"11abb90a71aa9ac5f9951fc29e1520c3db4c02f3b66cf21fbb46e9b3aa336823","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-21T04:03:05Z","title_canon_sha256":"aeada66967a9d6803e780dcaf1421ad5445768dabed3aed9788554a8d11f7b2d"},"schema_version":"1.0","source":{"id":"1704.06389","kind":"arxiv","version":1}},"canonical_sha256":"5b95c07a0853544e92d6321ff30f5828affe78160d5cb221dd3b6d10a4c335c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b95c07a0853544e92d6321ff30f5828affe78160d5cb221dd3b6d10a4c335c8","first_computed_at":"2026-05-18T00:45:59.773610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:59.773610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mGFpTWnmhbFI7kKwgn6NjlLDG6ce8EHxs2H/InIdrYcO/1sp/BFkli1CEUuIhBWfiPzqTrq3jm8AtYe67NQOBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:59.774183Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.06389","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4a6d76b12c759566c421ee539a3f3c86d3cbec9efc11c773d32b13f8f539abe","sha256:b58440eb8e687679ba2e8baa543ed542e7e2551da8d6fdfece8450a9a7b5e59d"],"state_sha256":"d11ca4ef98f1c3bab03575c668b80e40a530a0ab4fc00aabca078b4f3be7b2e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g16y8ainB801AKVyx0lB40HBZCvqGQISSNG8gVFQiH7rMH9DDTaNPSSjjLLS7Kq2kKu91Ml1q62VRBuS2wfODA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T08:16:00.555562Z","bundle_sha256":"57b6bf4d3f6d3cff0cf57f1057be00221ab71039ebca4a02f7a11afaf0721f44"}}