{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:DPFBJXTZHSBBDQJUOWFRYMMFCT","short_pith_number":"pith:DPFBJXTZ","canonical_record":{"source":{"id":"1312.7705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-30T13:14:28Z","cross_cats_sorted":[],"title_canon_sha256":"cb7b0199e6fe8b859b18ddb07dbde7ead93f0890dac3fe5f2192b5f5b6b260ae","abstract_canon_sha256":"509b6d02ff3c3217bf1edba735aa20675c3b505c21502d6eea6c9803928a10b0"},"schema_version":"1.0"},"canonical_sha256":"1bca14de793c8211c134758b1c318514d3cb1117d8e279802852bf05d3c50573","source":{"kind":"arxiv","id":"1312.7705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.7705","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"arxiv_version","alias_value":"1312.7705v1","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.7705","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"pith_short_12","alias_value":"DPFBJXTZHSBB","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DPFBJXTZHSBBDQJU","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DPFBJXTZ","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:DPFBJXTZHSBBDQJUOWFRYMMFCT","target":"record","payload":{"canonical_record":{"source":{"id":"1312.7705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-30T13:14:28Z","cross_cats_sorted":[],"title_canon_sha256":"cb7b0199e6fe8b859b18ddb07dbde7ead93f0890dac3fe5f2192b5f5b6b260ae","abstract_canon_sha256":"509b6d02ff3c3217bf1edba735aa20675c3b505c21502d6eea6c9803928a10b0"},"schema_version":"1.0"},"canonical_sha256":"1bca14de793c8211c134758b1c318514d3cb1117d8e279802852bf05d3c50573","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:35.187173Z","signature_b64":"IANMIYufPOm3jD+5J3+oyVUF2nf5j1T6tkIkXCZC9mVBRvdqaACsHcvQcydPrBha3psCPkWBjVvWvqFimuvJAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bca14de793c8211c134758b1c318514d3cb1117d8e279802852bf05d3c50573","last_reissued_at":"2026-05-18T01:45:35.186550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:35.186550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.7705","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":"2026-05-18T01:45:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3vxcySX81V8V/5N18pxMZKuNOG02dQRUlRHwjnbl323ynyVKnDmMuwryrK72lEeH5SvMs8dD1rGIA0O4vW0tAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T10:21:09.644406Z"},"content_sha256":"bc2ee725b3e70b8b8160f1880b1e9c0254dd501b6075453f38ba144b9d7ebc4b","schema_version":"1.0","event_id":"sha256:bc2ee725b3e70b8b8160f1880b1e9c0254dd501b6075453f38ba144b9d7ebc4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:DPFBJXTZHSBBDQJUOWFRYMMFCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A novel high resolution contactless technique for thermal field mapping and thermal conductivity determination: Two-Laser Raman Thermometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Graczykowski, C. M. Sotomayor Torres, E. Chavez-Angel, F. Alzina, J. Gomis-Bresco, J. S. Reparaz, M. R. Wagner","submitted_at":"2013-12-30T13:14:28Z","abstract_excerpt":"We present a novel high resolution contactless technique for thermal conductivity determination and thermal field mapping based on creating a thermal distribution of phonons using a heating laser, while a second laser probes the local temperature through the spectral position of a Raman active mode. The spatial resolution can be as small as $300$ nm, whereas its temperature accuracy is $\\pm 2$ K. We validate this technique investigating the thermal properties of three free-standing single crystalline Si membranes with thickness of 250, 1000, and 2000 nm. We show that for 2-dimensional material"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.7705","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":"2026-05-18T01:45:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9nFflsf8nrcjmxbbO+ShaX6KmaVO8TiH1nqsl26KNiBug5bGRNbt/lSbZiUwTlmfysM0+Zb66ZQVnZ/dsNUjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T10:21:09.644752Z"},"content_sha256":"b20992843078b136dfa4189aae3e3b96484f6ac50fac6cc54eee632e235f91ff","schema_version":"1.0","event_id":"sha256:b20992843078b136dfa4189aae3e3b96484f6ac50fac6cc54eee632e235f91ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPFBJXTZHSBBDQJUOWFRYMMFCT/bundle.json","state_url":"https://pith.science/pith/DPFBJXTZHSBBDQJUOWFRYMMFCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPFBJXTZHSBBDQJUOWFRYMMFCT/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":"2026-07-03T10:21:09Z","links":{"resolver":"https://pith.science/pith/DPFBJXTZHSBBDQJUOWFRYMMFCT","bundle":"https://pith.science/pith/DPFBJXTZHSBBDQJUOWFRYMMFCT/bundle.json","state":"https://pith.science/pith/DPFBJXTZHSBBDQJUOWFRYMMFCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPFBJXTZHSBBDQJUOWFRYMMFCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:DPFBJXTZHSBBDQJUOWFRYMMFCT","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":"509b6d02ff3c3217bf1edba735aa20675c3b505c21502d6eea6c9803928a10b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-30T13:14:28Z","title_canon_sha256":"cb7b0199e6fe8b859b18ddb07dbde7ead93f0890dac3fe5f2192b5f5b6b260ae"},"schema_version":"1.0","source":{"id":"1312.7705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.7705","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"arxiv_version","alias_value":"1312.7705v1","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.7705","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"pith_short_12","alias_value":"DPFBJXTZHSBB","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DPFBJXTZHSBBDQJU","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DPFBJXTZ","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:b20992843078b136dfa4189aae3e3b96484f6ac50fac6cc54eee632e235f91ff","target":"graph","created_at":"2026-05-18T01:45:35Z","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"},"paper":{"abstract_excerpt":"We present a novel high resolution contactless technique for thermal conductivity determination and thermal field mapping based on creating a thermal distribution of phonons using a heating laser, while a second laser probes the local temperature through the spectral position of a Raman active mode. The spatial resolution can be as small as $300$ nm, whereas its temperature accuracy is $\\pm 2$ K. We validate this technique investigating the thermal properties of three free-standing single crystalline Si membranes with thickness of 250, 1000, and 2000 nm. We show that for 2-dimensional material","authors_text":"B. Graczykowski, C. M. Sotomayor Torres, E. Chavez-Angel, F. Alzina, J. Gomis-Bresco, J. S. Reparaz, M. R. Wagner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-30T13:14:28Z","title":"A novel high resolution contactless technique for thermal field mapping and thermal conductivity determination: Two-Laser Raman Thermometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.7705","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:bc2ee725b3e70b8b8160f1880b1e9c0254dd501b6075453f38ba144b9d7ebc4b","target":"record","created_at":"2026-05-18T01:45:35Z","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":"509b6d02ff3c3217bf1edba735aa20675c3b505c21502d6eea6c9803928a10b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-30T13:14:28Z","title_canon_sha256":"cb7b0199e6fe8b859b18ddb07dbde7ead93f0890dac3fe5f2192b5f5b6b260ae"},"schema_version":"1.0","source":{"id":"1312.7705","kind":"arxiv","version":1}},"canonical_sha256":"1bca14de793c8211c134758b1c318514d3cb1117d8e279802852bf05d3c50573","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bca14de793c8211c134758b1c318514d3cb1117d8e279802852bf05d3c50573","first_computed_at":"2026-05-18T01:45:35.186550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:35.186550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IANMIYufPOm3jD+5J3+oyVUF2nf5j1T6tkIkXCZC9mVBRvdqaACsHcvQcydPrBha3psCPkWBjVvWvqFimuvJAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:35.187173Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.7705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc2ee725b3e70b8b8160f1880b1e9c0254dd501b6075453f38ba144b9d7ebc4b","sha256:b20992843078b136dfa4189aae3e3b96484f6ac50fac6cc54eee632e235f91ff"],"state_sha256":"15a09f497e7fc606c85491d49e8eca44ac5739d9fb895c05cca301a3108681d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xilt45vMG5uzSwcHxWCgftd2lVA+M8fwUG/zyDgcKL1o7Pc95tJ06a68eI0YGlc6YPrFzFhpNVVbWDXgK7NCBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T10:21:09.647129Z","bundle_sha256":"916bf188785a8804e1175026b6a2bd9b52ae0441d24bc151e863f02dde56046c"}}