{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:Q4CKQRYCVGXTEHDN4AWBS6MSPA","short_pith_number":"pith:Q4CKQRYC","canonical_record":{"source":{"id":"2206.15473","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-06-30T17:59:09Z","cross_cats_sorted":[],"title_canon_sha256":"dc7377b4c6b06feb07d281782ade8eb6fc8fc5b0cc867c594fbd4fa9fbe8125c","abstract_canon_sha256":"a10c814804fbf0a75b7bd54ec75aa906a0fbed824309b4c817bcbd192f1a94a5"},"schema_version":"1.0"},"canonical_sha256":"8704a84702a9af321c6de02c1979927804b3c9836b477e4e73e37b73568a49b7","source":{"kind":"arxiv","id":"2206.15473","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.15473","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"arxiv_version","alias_value":"2206.15473v3","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.15473","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"pith_short_12","alias_value":"Q4CKQRYCVGXT","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"pith_short_16","alias_value":"Q4CKQRYCVGXTEHDN","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"pith_short_8","alias_value":"Q4CKQRYC","created_at":"2026-07-05T05:14:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:Q4CKQRYCVGXTEHDN4AWBS6MSPA","target":"record","payload":{"canonical_record":{"source":{"id":"2206.15473","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-06-30T17:59:09Z","cross_cats_sorted":[],"title_canon_sha256":"dc7377b4c6b06feb07d281782ade8eb6fc8fc5b0cc867c594fbd4fa9fbe8125c","abstract_canon_sha256":"a10c814804fbf0a75b7bd54ec75aa906a0fbed824309b4c817bcbd192f1a94a5"},"schema_version":"1.0"},"canonical_sha256":"8704a84702a9af321c6de02c1979927804b3c9836b477e4e73e37b73568a49b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:14:35.461213Z","signature_b64":"XBjIvToS6Y0cJtelW1JCnFMbtES2xCmtnTSl+EQOCh00Wgjsue5s1DiZffFyIAqrqJrUjCwzT0WaExjECeooAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8704a84702a9af321c6de02c1979927804b3c9836b477e4e73e37b73568a49b7","last_reissued_at":"2026-07-05T05:14:35.460778Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:14:35.460778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.15473","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":"2026-07-05T05:14:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kfNy+77qrg8eHY9tkgajnnF0y10gdYNdYwebjWVdVk4pDbzTgtlJHqFmjFfZsNBRitI0Z+RssDwka7ROfKEnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:13:38.209712Z"},"content_sha256":"d79e4436aaae8b4731c578cd12cde3b9ce14c455c4c185cdc527a0f62aa51114","schema_version":"1.0","event_id":"sha256:d79e4436aaae8b4731c578cd12cde3b9ce14c455c4c185cdc527a0f62aa51114"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:Q4CKQRYCVGXTEHDN4AWBS6MSPA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of hot phonons and thermal stress in micro-Raman spectra of molybdenum disulphide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Brandon Smith, Gabriella Coloyan Fleming, Li Shi, Peter Sokalski, Rui Huang, Sean E. Sullivan, Xiulin Ruan, Zherui Han","submitted_at":"2022-06-30T17:59:09Z","abstract_excerpt":"Micro-Raman spectroscopy has become an important tool in probing thermophysical behavior in emerging functional materials such as two-dimensional (2D) layered structures. Localized heating by the focused Raman excitation laser beam is expected to produce both stress and nonequilibrium temperature distributions in the material. Here we investigate the effects of hot optical phonons in the Raman spectra of molybdenum disulphide (MoS2) and distinguish them from those caused by thermally-induced compressive stress, which causes a Raman frequency blue shift in the focused Raman laser spot. With the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.15473","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2206.15473/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:14:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pbtoLXMeGYh0/n0k119BsWJWmpclIqUBns0+GBhAEqjof8e2JDZNwSgYk3GVM0AKfcrTXmD4KwZmnwCF/lMsDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:13:38.210372Z"},"content_sha256":"645c509e65b34e372eae170f2e34f272529cd9b9d056c634fc68c31bf2ebdaf4","schema_version":"1.0","event_id":"sha256:645c509e65b34e372eae170f2e34f272529cd9b9d056c634fc68c31bf2ebdaf4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q4CKQRYCVGXTEHDN4AWBS6MSPA/bundle.json","state_url":"https://pith.science/pith/Q4CKQRYCVGXTEHDN4AWBS6MSPA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q4CKQRYCVGXTEHDN4AWBS6MSPA/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":"2026-07-07T05:13:38Z","links":{"resolver":"https://pith.science/pith/Q4CKQRYCVGXTEHDN4AWBS6MSPA","bundle":"https://pith.science/pith/Q4CKQRYCVGXTEHDN4AWBS6MSPA/bundle.json","state":"https://pith.science/pith/Q4CKQRYCVGXTEHDN4AWBS6MSPA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q4CKQRYCVGXTEHDN4AWBS6MSPA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:Q4CKQRYCVGXTEHDN4AWBS6MSPA","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":"a10c814804fbf0a75b7bd54ec75aa906a0fbed824309b4c817bcbd192f1a94a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-06-30T17:59:09Z","title_canon_sha256":"dc7377b4c6b06feb07d281782ade8eb6fc8fc5b0cc867c594fbd4fa9fbe8125c"},"schema_version":"1.0","source":{"id":"2206.15473","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.15473","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"arxiv_version","alias_value":"2206.15473v3","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.15473","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"pith_short_12","alias_value":"Q4CKQRYCVGXT","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"pith_short_16","alias_value":"Q4CKQRYCVGXTEHDN","created_at":"2026-07-05T05:14:35Z"},{"alias_kind":"pith_short_8","alias_value":"Q4CKQRYC","created_at":"2026-07-05T05:14:35Z"}],"graph_snapshots":[{"event_id":"sha256:645c509e65b34e372eae170f2e34f272529cd9b9d056c634fc68c31bf2ebdaf4","target":"graph","created_at":"2026-07-05T05:14:35Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2206.15473/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Micro-Raman spectroscopy has become an important tool in probing thermophysical behavior in emerging functional materials such as two-dimensional (2D) layered structures. Localized heating by the focused Raman excitation laser beam is expected to produce both stress and nonequilibrium temperature distributions in the material. Here we investigate the effects of hot optical phonons in the Raman spectra of molybdenum disulphide (MoS2) and distinguish them from those caused by thermally-induced compressive stress, which causes a Raman frequency blue shift in the focused Raman laser spot. With the","authors_text":"Brandon Smith, Gabriella Coloyan Fleming, Li Shi, Peter Sokalski, Rui Huang, Sean E. Sullivan, Xiulin Ruan, Zherui Han","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-06-30T17:59:09Z","title":"Effects of hot phonons and thermal stress in micro-Raman spectra of molybdenum disulphide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.15473","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:d79e4436aaae8b4731c578cd12cde3b9ce14c455c4c185cdc527a0f62aa51114","target":"record","created_at":"2026-07-05T05:14:35Z","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":"a10c814804fbf0a75b7bd54ec75aa906a0fbed824309b4c817bcbd192f1a94a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-06-30T17:59:09Z","title_canon_sha256":"dc7377b4c6b06feb07d281782ade8eb6fc8fc5b0cc867c594fbd4fa9fbe8125c"},"schema_version":"1.0","source":{"id":"2206.15473","kind":"arxiv","version":3}},"canonical_sha256":"8704a84702a9af321c6de02c1979927804b3c9836b477e4e73e37b73568a49b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8704a84702a9af321c6de02c1979927804b3c9836b477e4e73e37b73568a49b7","first_computed_at":"2026-07-05T05:14:35.460778Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:14:35.460778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XBjIvToS6Y0cJtelW1JCnFMbtES2xCmtnTSl+EQOCh00Wgjsue5s1DiZffFyIAqrqJrUjCwzT0WaExjECeooAA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:14:35.461213Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.15473","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d79e4436aaae8b4731c578cd12cde3b9ce14c455c4c185cdc527a0f62aa51114","sha256:645c509e65b34e372eae170f2e34f272529cd9b9d056c634fc68c31bf2ebdaf4"],"state_sha256":"23f3f43d446306b3ff6c080ffaac85c20dd73f05256a6b6c0dd2dad8475f0481"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Jjh/FGzCGAfmdXe6ktmIyqPEXiW6wpuzcNV6UqPkbtozrXPLyMyklEyH4x1jHp1E5V0+LMB8xD6NNJ73942CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:13:38.213353Z","bundle_sha256":"654003cba79bea6f1117e265cec5b4720bf6bbbb1632af9ab1e782e05f897b5d"}}