{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:L3L4V6XGMSSNY3AP2HALKF2VLG","short_pith_number":"pith:L3L4V6XG","canonical_record":{"source":{"id":"1512.00092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-30T23:27:34Z","cross_cats_sorted":[],"title_canon_sha256":"4cc19cd897d679929d77aee18afd35200a8b2d5d58b4292ef2a3e3785a7bd6c4","abstract_canon_sha256":"7f1c9f9f58c07e55bb6f349ff36bfcdf8b698eab3be7aeb76716c849429732cd"},"schema_version":"1.0"},"canonical_sha256":"5ed7cafae664a4dc6c0fd1c0b5175559975d5cf878b57feb35531ec36a8964b0","source":{"kind":"arxiv","id":"1512.00092","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00092","created_at":"2026-05-18T01:20:51Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00092v1","created_at":"2026-05-18T01:20:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00092","created_at":"2026-05-18T01:20:51Z"},{"alias_kind":"pith_short_12","alias_value":"L3L4V6XGMSSN","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"L3L4V6XGMSSNY3AP","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"L3L4V6XG","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:L3L4V6XGMSSNY3AP2HALKF2VLG","target":"record","payload":{"canonical_record":{"source":{"id":"1512.00092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-30T23:27:34Z","cross_cats_sorted":[],"title_canon_sha256":"4cc19cd897d679929d77aee18afd35200a8b2d5d58b4292ef2a3e3785a7bd6c4","abstract_canon_sha256":"7f1c9f9f58c07e55bb6f349ff36bfcdf8b698eab3be7aeb76716c849429732cd"},"schema_version":"1.0"},"canonical_sha256":"5ed7cafae664a4dc6c0fd1c0b5175559975d5cf878b57feb35531ec36a8964b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:51.786929Z","signature_b64":"Z9VUaI+gT9nOHED52R7cpCDxebv69JDRBQKLc47VXeKvir1FbRRdDFf4wuqXbAPul8TM/GuRB0cq6D+VOJegCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ed7cafae664a4dc6c0fd1c0b5175559975d5cf878b57feb35531ec36a8964b0","last_reissued_at":"2026-05-18T01:20:51.786312Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:51.786312Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.00092","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":"2026-05-18T01:20:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vvYc5xUa1J5l2xOFuu9k5Lz1mCtUUfo6/mabD6LBs1JN7T4/n4H8PZPMWSeJBDFQCj31BLBb1pQZ1EWb52amBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:46:42.936221Z"},"content_sha256":"073f8d9133354cf56801bee01d0898781451ccaac07ecd742f435bf1446b7c01","schema_version":"1.0","event_id":"sha256:073f8d9133354cf56801bee01d0898781451ccaac07ecd742f435bf1446b7c01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:L3L4V6XGMSSNY3AP2HALKF2VLG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coupling and stacking order of ReS2 atomic layers revealed by ultralow-frequency Raman spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. H. Lui, Gaihua Ye, Jason Cheng, Jia-an Yan, Ju Li, Rui He, Zhipeng Ye, Zongyon Yin","submitted_at":"2015-11-30T23:27:34Z","abstract_excerpt":"We investigate the ultralow-frequency Raman response of atomically thin ReS2, a special type of two-dimensional (2D) semiconductors with unique distorted 1T structure. Bilayer and few-layer ReS2 exhibit rich Raman spectra at frequencies below 50 cm-1, where a panoply of interlayer shear and breathing modes are observed. The emergence of these interlayer phonon modes indicate that the ReS2 layers are coupled and stacked orderly, in contrast to the general belief that the ReS2 layers are decoupled from one another. While the interlayer breathing modes can be described by a linear chain model as "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00092","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":"2026-05-18T01:20:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5IPQPKPW7XSiN217LI2Nav3dqF5zuFeYHgprTMQbdkStTsCK0mAvfxe6mTrjLlY4YfJRLb1L7wuaxztZRInWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:46:42.936884Z"},"content_sha256":"51b8829d475d9ec1ef9bb4eebe38dc4922459320bfefb8590c95150df6bb8e75","schema_version":"1.0","event_id":"sha256:51b8829d475d9ec1ef9bb4eebe38dc4922459320bfefb8590c95150df6bb8e75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L3L4V6XGMSSNY3AP2HALKF2VLG/bundle.json","state_url":"https://pith.science/pith/L3L4V6XGMSSNY3AP2HALKF2VLG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L3L4V6XGMSSNY3AP2HALKF2VLG/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":"2026-05-25T18:46:42Z","links":{"resolver":"https://pith.science/pith/L3L4V6XGMSSNY3AP2HALKF2VLG","bundle":"https://pith.science/pith/L3L4V6XGMSSNY3AP2HALKF2VLG/bundle.json","state":"https://pith.science/pith/L3L4V6XGMSSNY3AP2HALKF2VLG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L3L4V6XGMSSNY3AP2HALKF2VLG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:L3L4V6XGMSSNY3AP2HALKF2VLG","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":"7f1c9f9f58c07e55bb6f349ff36bfcdf8b698eab3be7aeb76716c849429732cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-30T23:27:34Z","title_canon_sha256":"4cc19cd897d679929d77aee18afd35200a8b2d5d58b4292ef2a3e3785a7bd6c4"},"schema_version":"1.0","source":{"id":"1512.00092","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00092","created_at":"2026-05-18T01:20:51Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00092v1","created_at":"2026-05-18T01:20:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00092","created_at":"2026-05-18T01:20:51Z"},{"alias_kind":"pith_short_12","alias_value":"L3L4V6XGMSSN","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"L3L4V6XGMSSNY3AP","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"L3L4V6XG","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:51b8829d475d9ec1ef9bb4eebe38dc4922459320bfefb8590c95150df6bb8e75","target":"graph","created_at":"2026-05-18T01:20:51Z","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":"We investigate the ultralow-frequency Raman response of atomically thin ReS2, a special type of two-dimensional (2D) semiconductors with unique distorted 1T structure. Bilayer and few-layer ReS2 exhibit rich Raman spectra at frequencies below 50 cm-1, where a panoply of interlayer shear and breathing modes are observed. The emergence of these interlayer phonon modes indicate that the ReS2 layers are coupled and stacked orderly, in contrast to the general belief that the ReS2 layers are decoupled from one another. While the interlayer breathing modes can be described by a linear chain model as ","authors_text":"C. H. Lui, Gaihua Ye, Jason Cheng, Jia-an Yan, Ju Li, Rui He, Zhipeng Ye, Zongyon Yin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-30T23:27:34Z","title":"Coupling and stacking order of ReS2 atomic layers revealed by ultralow-frequency Raman spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00092","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":"sha256:073f8d9133354cf56801bee01d0898781451ccaac07ecd742f435bf1446b7c01","target":"record","created_at":"2026-05-18T01:20:51Z","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":"7f1c9f9f58c07e55bb6f349ff36bfcdf8b698eab3be7aeb76716c849429732cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-30T23:27:34Z","title_canon_sha256":"4cc19cd897d679929d77aee18afd35200a8b2d5d58b4292ef2a3e3785a7bd6c4"},"schema_version":"1.0","source":{"id":"1512.00092","kind":"arxiv","version":1}},"canonical_sha256":"5ed7cafae664a4dc6c0fd1c0b5175559975d5cf878b57feb35531ec36a8964b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ed7cafae664a4dc6c0fd1c0b5175559975d5cf878b57feb35531ec36a8964b0","first_computed_at":"2026-05-18T01:20:51.786312Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:51.786312Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z9VUaI+gT9nOHED52R7cpCDxebv69JDRBQKLc47VXeKvir1FbRRdDFf4wuqXbAPul8TM/GuRB0cq6D+VOJegCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:51.786929Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.00092","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:073f8d9133354cf56801bee01d0898781451ccaac07ecd742f435bf1446b7c01","sha256:51b8829d475d9ec1ef9bb4eebe38dc4922459320bfefb8590c95150df6bb8e75"],"state_sha256":"5574cc4c5f2c284a87106e0783c9f511a28bee1209810e8a778f4845934c61a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pr5cf3AJDQHLUiPqznFKH1BBUznAaEf9JXwfxOmH68wDfLuevT/iABDaIaT0mh+QY41ltXyTw4/4O8OQaxHAAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:46:42.940408Z","bundle_sha256":"4f5ea9bd1d440431dd035d0252cace9659c41ffdde55f7babf74dedddc28b900"}}