{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CMXGIVKMYPFWAHY7LFHU7FGIF7","short_pith_number":"pith:CMXGIVKM","canonical_record":{"source":{"id":"1610.09468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-29T07:14:57Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"96460e99298336121108a02274b9053e015f15f099ab70e33a92acbe1661f8e8","abstract_canon_sha256":"94170c95479eeaed2e2ff2f877a9c31cd966c19dde695fb16cebba1be46a7db2"},"schema_version":"1.0"},"canonical_sha256":"132e64554cc3cb601f1f594f4f94c82fe158b43a96b6b219cb2961044d94a137","source":{"kind":"arxiv","id":"1610.09468","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.09468","created_at":"2026-05-18T00:48:42Z"},{"alias_kind":"arxiv_version","alias_value":"1610.09468v1","created_at":"2026-05-18T00:48:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.09468","created_at":"2026-05-18T00:48:42Z"},{"alias_kind":"pith_short_12","alias_value":"CMXGIVKMYPFW","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CMXGIVKMYPFWAHY7","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CMXGIVKM","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CMXGIVKMYPFWAHY7LFHU7FGIF7","target":"record","payload":{"canonical_record":{"source":{"id":"1610.09468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-29T07:14:57Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"96460e99298336121108a02274b9053e015f15f099ab70e33a92acbe1661f8e8","abstract_canon_sha256":"94170c95479eeaed2e2ff2f877a9c31cd966c19dde695fb16cebba1be46a7db2"},"schema_version":"1.0"},"canonical_sha256":"132e64554cc3cb601f1f594f4f94c82fe158b43a96b6b219cb2961044d94a137","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:42.205135Z","signature_b64":"td2d3emdnsJC5LMM6qAB80vZJYp3RG2L1bk13BNkM/jOUvCeGbz6U9HplFGzrupLANOWXCVYBGGBEwoO9QS/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"132e64554cc3cb601f1f594f4f94c82fe158b43a96b6b219cb2961044d94a137","last_reissued_at":"2026-05-18T00:48:42.204634Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:42.204634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.09468","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":"2026-05-18T00:48:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GDGolDed1JQDU13y0esizNa39c2nFwSfjRIOEl19gdwcuZqVo0tREXpdRP6PotU5iOuiwfi75iMwTb7EqGNRCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:58:46.134107Z"},"content_sha256":"640b0bc58e5d4c94358b00455d71257daaf896df26a492f4cbae6bf7a4b07275","schema_version":"1.0","event_id":"sha256:640b0bc58e5d4c94358b00455d71257daaf896df26a492f4cbae6bf7a4b07275"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CMXGIVKMYPFWAHY7LFHU7FGIF7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revealing extremely low energy amplitude modes in the charge-density-wave compound LaAgSb$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"M. Y. Zhang, N. L. Wang, R. Y. Chen, S. J. Zhang, T. Dong","submitted_at":"2016-10-29T07:14:57Z","abstract_excerpt":"The layered lanthanum silver antimonide LaAgSb$_2$ was known to experience two charge density (CDW) phase transitions, which were proposed recently to be closely related to the newly identified Dirac cone. We present optical spectroscopy and ultrafast pump-probe measurement on the compound. The development of energy gaps were clearly observed below the phase transition temperatures in optical conductivity, which removes most part of the free carrier spectral weight. Time resolved measurement demonstrated the emergence of strong oscillations upon entering the CDW states, which were illuminated "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.09468","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":"2026-05-18T00:48:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"//HV68VRgXBdO0ZY4ZadUVznwbX3smqa/Ulir6lDs+CxKj/qkg4/GccHXRqeBTKzOwgsWm23DjkZ33RjpIr+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:58:46.134506Z"},"content_sha256":"9161f973dcc9dd2ad2ea076fa02ce2a1cbc6c2dd6e93cf99d0b8e69d7a4182fe","schema_version":"1.0","event_id":"sha256:9161f973dcc9dd2ad2ea076fa02ce2a1cbc6c2dd6e93cf99d0b8e69d7a4182fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CMXGIVKMYPFWAHY7LFHU7FGIF7/bundle.json","state_url":"https://pith.science/pith/CMXGIVKMYPFWAHY7LFHU7FGIF7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CMXGIVKMYPFWAHY7LFHU7FGIF7/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":"2026-05-25T16:58:46Z","links":{"resolver":"https://pith.science/pith/CMXGIVKMYPFWAHY7LFHU7FGIF7","bundle":"https://pith.science/pith/CMXGIVKMYPFWAHY7LFHU7FGIF7/bundle.json","state":"https://pith.science/pith/CMXGIVKMYPFWAHY7LFHU7FGIF7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CMXGIVKMYPFWAHY7LFHU7FGIF7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CMXGIVKMYPFWAHY7LFHU7FGIF7","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":"94170c95479eeaed2e2ff2f877a9c31cd966c19dde695fb16cebba1be46a7db2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-29T07:14:57Z","title_canon_sha256":"96460e99298336121108a02274b9053e015f15f099ab70e33a92acbe1661f8e8"},"schema_version":"1.0","source":{"id":"1610.09468","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.09468","created_at":"2026-05-18T00:48:42Z"},{"alias_kind":"arxiv_version","alias_value":"1610.09468v1","created_at":"2026-05-18T00:48:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.09468","created_at":"2026-05-18T00:48:42Z"},{"alias_kind":"pith_short_12","alias_value":"CMXGIVKMYPFW","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CMXGIVKMYPFWAHY7","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CMXGIVKM","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:9161f973dcc9dd2ad2ea076fa02ce2a1cbc6c2dd6e93cf99d0b8e69d7a4182fe","target":"graph","created_at":"2026-05-18T00:48:42Z","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":"The layered lanthanum silver antimonide LaAgSb$_2$ was known to experience two charge density (CDW) phase transitions, which were proposed recently to be closely related to the newly identified Dirac cone. We present optical spectroscopy and ultrafast pump-probe measurement on the compound. The development of energy gaps were clearly observed below the phase transition temperatures in optical conductivity, which removes most part of the free carrier spectral weight. Time resolved measurement demonstrated the emergence of strong oscillations upon entering the CDW states, which were illuminated ","authors_text":"M. Y. Zhang, N. L. Wang, R. Y. Chen, S. J. Zhang, T. Dong","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-29T07:14:57Z","title":"Revealing extremely low energy amplitude modes in the charge-density-wave compound LaAgSb$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.09468","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":"sha256:640b0bc58e5d4c94358b00455d71257daaf896df26a492f4cbae6bf7a4b07275","target":"record","created_at":"2026-05-18T00:48:42Z","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":"94170c95479eeaed2e2ff2f877a9c31cd966c19dde695fb16cebba1be46a7db2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-29T07:14:57Z","title_canon_sha256":"96460e99298336121108a02274b9053e015f15f099ab70e33a92acbe1661f8e8"},"schema_version":"1.0","source":{"id":"1610.09468","kind":"arxiv","version":1}},"canonical_sha256":"132e64554cc3cb601f1f594f4f94c82fe158b43a96b6b219cb2961044d94a137","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"132e64554cc3cb601f1f594f4f94c82fe158b43a96b6b219cb2961044d94a137","first_computed_at":"2026-05-18T00:48:42.204634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:42.204634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"td2d3emdnsJC5LMM6qAB80vZJYp3RG2L1bk13BNkM/jOUvCeGbz6U9HplFGzrupLANOWXCVYBGGBEwoO9QS/AA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:42.205135Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.09468","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:640b0bc58e5d4c94358b00455d71257daaf896df26a492f4cbae6bf7a4b07275","sha256:9161f973dcc9dd2ad2ea076fa02ce2a1cbc6c2dd6e93cf99d0b8e69d7a4182fe"],"state_sha256":"812ede31f82100dfe21a5531a718c2b41d7e5ea9891a92f1b0bf212c085b5448"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y8+ALLEYz5GqGsRB8RjM8MY4Kc6lunOR8fyDW9GeDr1207TEw6TtP3jl1tjiWvxq8fxTN1Ek79lZP9giJv6KDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:58:46.136723Z","bundle_sha256":"417aacf005727b8a9c053966daab0347a72a853cb6adc2a948b9346d355b8724"}}