{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:BZXQKAQIWAWHANZUUEMIUNJHPJ","short_pith_number":"pith:BZXQKAQI","canonical_record":{"source":{"id":"1601.01418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-07T07:16:36Z","cross_cats_sorted":[],"title_canon_sha256":"43c7661b0dc03ca3ec3422d5c90b3eace692205281da6f6cd6eb0650c3d7e6f8","abstract_canon_sha256":"8da1df7d4e3f6d742b5d6bc31f0a987cf84ce0e313c1481f356867a0e1421b4d"},"schema_version":"1.0"},"canonical_sha256":"0e6f050208b02c703734a1188a35277a7bb9ab17ddabc1647f63c7eca8908bbd","source":{"kind":"arxiv","id":"1601.01418","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01418","created_at":"2026-05-18T01:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01418v1","created_at":"2026-05-18T01:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01418","created_at":"2026-05-18T01:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"BZXQKAQIWAWH","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"BZXQKAQIWAWHANZU","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"BZXQKAQI","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:BZXQKAQIWAWHANZUUEMIUNJHPJ","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-07T07:16:36Z","cross_cats_sorted":[],"title_canon_sha256":"43c7661b0dc03ca3ec3422d5c90b3eace692205281da6f6cd6eb0650c3d7e6f8","abstract_canon_sha256":"8da1df7d4e3f6d742b5d6bc31f0a987cf84ce0e313c1481f356867a0e1421b4d"},"schema_version":"1.0"},"canonical_sha256":"0e6f050208b02c703734a1188a35277a7bb9ab17ddabc1647f63c7eca8908bbd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:13.905671Z","signature_b64":"bLpf7S+XI2NGQcibaClzcaFYINZRoObqeq2vbzGOhTeuVyCYKFO4hSuyQuFXoV9OOl7jImtJqtC6bmUq8M88DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e6f050208b02c703734a1188a35277a7bb9ab17ddabc1647f63c7eca8908bbd","last_reissued_at":"2026-05-18T01:23:13.905072Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:13.905072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01418","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":"2026-05-18T01:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h7FBp9D7e1eaDcKZmKEA8P6XQZPcFeBwEjleD5m9LgMVZBAXTCo4+L2tUaN+gDEmnac2Nv2T56S1hNOLVe2+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:37:37.606954Z"},"content_sha256":"0f0f23f30184e67ceb25c1ac36c90aa292af1592ee66ba8af7d95d1853b81bb2","schema_version":"1.0","event_id":"sha256:0f0f23f30184e67ceb25c1ac36c90aa292af1592ee66ba8af7d95d1853b81bb2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:BZXQKAQIWAWHANZUUEMIUNJHPJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental determination of the massive Dirac fermion model parameters for MoS$_2$, MoSe$_2$, WS$_2$, and WSe$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Beom Seo Kim, Beomyoung Kim, Changyoung Kim, Jun-Won Rhim, Seung Ryong Park","submitted_at":"2016-01-07T07:16:36Z","abstract_excerpt":"Monolayer MX$_2$ (M = Mo, W; X = S, Se) has drawn much attention recently for its possible application possibilities for optoelectronics, spintronics, and valleytronics. Its exotic optical and electronic properties include a direct band gap, circular polarization dependent optical transitions, and valence band (VB) spin band splitting at the $K$ and $-K$ points. These properties can be described within a minimal model, called the massive Dirac fermion model for which the parameters need to be experimentally determined. We propose that the parameters can be obtained from angle resolved photoemi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01418","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":"2026-05-18T01:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q+l593tPZhwcczL7jodL0w0yHmANcOMW60uRD/3rmLTp6vBJ5ZRSnW9/jQQYaemCN/AMPFf8S0IEfWqPWB2ACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:37:37.607701Z"},"content_sha256":"9ebed8eeba365fe8c1b39a9ac206df9fe4174747d4e4a9a52d46275a9fbe3faf","schema_version":"1.0","event_id":"sha256:9ebed8eeba365fe8c1b39a9ac206df9fe4174747d4e4a9a52d46275a9fbe3faf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BZXQKAQIWAWHANZUUEMIUNJHPJ/bundle.json","state_url":"https://pith.science/pith/BZXQKAQIWAWHANZUUEMIUNJHPJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BZXQKAQIWAWHANZUUEMIUNJHPJ/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":"2026-06-04T23:37:37Z","links":{"resolver":"https://pith.science/pith/BZXQKAQIWAWHANZUUEMIUNJHPJ","bundle":"https://pith.science/pith/BZXQKAQIWAWHANZUUEMIUNJHPJ/bundle.json","state":"https://pith.science/pith/BZXQKAQIWAWHANZUUEMIUNJHPJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BZXQKAQIWAWHANZUUEMIUNJHPJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:BZXQKAQIWAWHANZUUEMIUNJHPJ","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":"8da1df7d4e3f6d742b5d6bc31f0a987cf84ce0e313c1481f356867a0e1421b4d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-07T07:16:36Z","title_canon_sha256":"43c7661b0dc03ca3ec3422d5c90b3eace692205281da6f6cd6eb0650c3d7e6f8"},"schema_version":"1.0","source":{"id":"1601.01418","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01418","created_at":"2026-05-18T01:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01418v1","created_at":"2026-05-18T01:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01418","created_at":"2026-05-18T01:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"BZXQKAQIWAWH","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"BZXQKAQIWAWHANZU","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"BZXQKAQI","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:9ebed8eeba365fe8c1b39a9ac206df9fe4174747d4e4a9a52d46275a9fbe3faf","target":"graph","created_at":"2026-05-18T01:23:13Z","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":"Monolayer MX$_2$ (M = Mo, W; X = S, Se) has drawn much attention recently for its possible application possibilities for optoelectronics, spintronics, and valleytronics. Its exotic optical and electronic properties include a direct band gap, circular polarization dependent optical transitions, and valence band (VB) spin band splitting at the $K$ and $-K$ points. These properties can be described within a minimal model, called the massive Dirac fermion model for which the parameters need to be experimentally determined. We propose that the parameters can be obtained from angle resolved photoemi","authors_text":"Beom Seo Kim, Beomyoung Kim, Changyoung Kim, Jun-Won Rhim, Seung Ryong Park","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-07T07:16:36Z","title":"Experimental determination of the massive Dirac fermion model parameters for MoS$_2$, MoSe$_2$, WS$_2$, and WSe$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01418","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":"sha256:0f0f23f30184e67ceb25c1ac36c90aa292af1592ee66ba8af7d95d1853b81bb2","target":"record","created_at":"2026-05-18T01:23:13Z","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":"8da1df7d4e3f6d742b5d6bc31f0a987cf84ce0e313c1481f356867a0e1421b4d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-07T07:16:36Z","title_canon_sha256":"43c7661b0dc03ca3ec3422d5c90b3eace692205281da6f6cd6eb0650c3d7e6f8"},"schema_version":"1.0","source":{"id":"1601.01418","kind":"arxiv","version":1}},"canonical_sha256":"0e6f050208b02c703734a1188a35277a7bb9ab17ddabc1647f63c7eca8908bbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e6f050208b02c703734a1188a35277a7bb9ab17ddabc1647f63c7eca8908bbd","first_computed_at":"2026-05-18T01:23:13.905072Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:13.905072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bLpf7S+XI2NGQcibaClzcaFYINZRoObqeq2vbzGOhTeuVyCYKFO4hSuyQuFXoV9OOl7jImtJqtC6bmUq8M88DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:13.905671Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01418","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f0f23f30184e67ceb25c1ac36c90aa292af1592ee66ba8af7d95d1853b81bb2","sha256:9ebed8eeba365fe8c1b39a9ac206df9fe4174747d4e4a9a52d46275a9fbe3faf"],"state_sha256":"2cc4cc66ddc38315900102a4be6ace7e18789ef172058e916279bfc0284a75a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iycjC/fOGn3uLEXuxclo+IPqUaap8QR24sSTFcFc1Be9xZau+tEpCVgx9v8t6DDxYspl/riwj7NVjLxZTwJgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T23:37:37.611420Z","bundle_sha256":"6db8662db73078ecabec86d755037895128497b7871fc7becdb5b194d9adfc98"}}