{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TYQKVGW74RBRRKCHXIWWDXTSQ4","short_pith_number":"pith:TYQKVGW7","canonical_record":{"source":{"id":"1809.04949","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-09-13T13:40:41Z","cross_cats_sorted":[],"title_canon_sha256":"acc71ff68c6dbc2ef04bc91f980a4a630b132887ea385434837a6bbc7a2d78ab","abstract_canon_sha256":"3489f36e6cdf5c75e40a6eb58af22acf5e48ae5a6fa0bad2c945ca57f7834664"},"schema_version":"1.0"},"canonical_sha256":"9e20aa9adfe44318a847ba2d61de72871509c1bacbe25c4c1888ff8c471308c3","source":{"kind":"arxiv","id":"1809.04949","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04949","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04949v1","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04949","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_12","alias_value":"TYQKVGW74RBR","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_16","alias_value":"TYQKVGW74RBRRKCH","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_8","alias_value":"TYQKVGW7","created_at":"2026-07-05T00:00:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TYQKVGW74RBRRKCHXIWWDXTSQ4","target":"record","payload":{"canonical_record":{"source":{"id":"1809.04949","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-09-13T13:40:41Z","cross_cats_sorted":[],"title_canon_sha256":"acc71ff68c6dbc2ef04bc91f980a4a630b132887ea385434837a6bbc7a2d78ab","abstract_canon_sha256":"3489f36e6cdf5c75e40a6eb58af22acf5e48ae5a6fa0bad2c945ca57f7834664"},"schema_version":"1.0"},"canonical_sha256":"9e20aa9adfe44318a847ba2d61de72871509c1bacbe25c4c1888ff8c471308c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:00:43.431511Z","signature_b64":"6fjw54MDLnm9OaXImvYxSb+3mg7hRiZdVLhUvt+IWv/0cqUJvgTiEwBG2UgN0IIW1oELFgUJ4MobZ7mArwTFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e20aa9adfe44318a847ba2d61de72871509c1bacbe25c4c1888ff8c471308c3","last_reissued_at":"2026-07-05T00:00:43.431084Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:00:43.431084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.04949","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":"2026-07-05T00:00:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mxwKl93atyZC7A38MD0aGSbfs1pF20BdIP2/3nRn4/2LN0GB3Qd5wrMzmc4JPHmMF5WU2KPRWFLTVBvWvlZtAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:45:20.456374Z"},"content_sha256":"6ad66199b5fbd1f34c9b6f84188d8477a4294447e6418b96374745f30c17a8a9","schema_version":"1.0","event_id":"sha256:6ad66199b5fbd1f34c9b6f84188d8477a4294447e6418b96374745f30c17a8a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TYQKVGW74RBRRKCHXIWWDXTSQ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. Di Castro, D. Betto, E. Andersson, F. Lombardi, G. De Vecchi, G. Ghiringhelli, G. M. De Luca, L. Braicovich, M. Grilli, M. Salluzzo, N. B. Brookes, R. Arpaia, R. Fumagalli, S. Caprara, Y.Y. Peng","submitted_at":"2018-09-13T13:40:41Z","abstract_excerpt":"Charge density waves are a common occurrence in all families of high critical temperature superconducting cuprates. Although consistently observed in the underdoped region of the phase diagram and at relatively low temperatures, it is still unclear to what extent they influence the unusual properties of these systems. Using resonant x-ray scattering we carefully determined the temperature dependence of charge density modulations in (Y,Nd)Ba$_2$Cu$_3$O$_{7-{\\delta}}$ for three doping levels. We discovered short-range dynamical charge density fluctuations besides the previously known quasi-criti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04949","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1809.04949/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":"2026-07-05T00:00:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WBAatyG0NmhiR3zKeTIphS45BI/OL2uGNo6zpkUC3SpWmXzjKXAlsVuO9FvaS68jIFv7flRBRdKjZ4Mknrj7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:45:20.456773Z"},"content_sha256":"6897fe0eff115485181f71266cb933ce2407f404623f927c913fa96763918c8a","schema_version":"1.0","event_id":"sha256:6897fe0eff115485181f71266cb933ce2407f404623f927c913fa96763918c8a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TYQKVGW74RBRRKCHXIWWDXTSQ4/bundle.json","state_url":"https://pith.science/pith/TYQKVGW74RBRRKCHXIWWDXTSQ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TYQKVGW74RBRRKCHXIWWDXTSQ4/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":"2026-07-05T07:45:20Z","links":{"resolver":"https://pith.science/pith/TYQKVGW74RBRRKCHXIWWDXTSQ4","bundle":"https://pith.science/pith/TYQKVGW74RBRRKCHXIWWDXTSQ4/bundle.json","state":"https://pith.science/pith/TYQKVGW74RBRRKCHXIWWDXTSQ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TYQKVGW74RBRRKCHXIWWDXTSQ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TYQKVGW74RBRRKCHXIWWDXTSQ4","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":"3489f36e6cdf5c75e40a6eb58af22acf5e48ae5a6fa0bad2c945ca57f7834664","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-09-13T13:40:41Z","title_canon_sha256":"acc71ff68c6dbc2ef04bc91f980a4a630b132887ea385434837a6bbc7a2d78ab"},"schema_version":"1.0","source":{"id":"1809.04949","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04949","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04949v1","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04949","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_12","alias_value":"TYQKVGW74RBR","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_16","alias_value":"TYQKVGW74RBRRKCH","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_8","alias_value":"TYQKVGW7","created_at":"2026-07-05T00:00:43Z"}],"graph_snapshots":[{"event_id":"sha256:6897fe0eff115485181f71266cb933ce2407f404623f927c913fa96763918c8a","target":"graph","created_at":"2026-07-05T00:00:43Z","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/1809.04949/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Charge density waves are a common occurrence in all families of high critical temperature superconducting cuprates. Although consistently observed in the underdoped region of the phase diagram and at relatively low temperatures, it is still unclear to what extent they influence the unusual properties of these systems. Using resonant x-ray scattering we carefully determined the temperature dependence of charge density modulations in (Y,Nd)Ba$_2$Cu$_3$O$_{7-{\\delta}}$ for three doping levels. We discovered short-range dynamical charge density fluctuations besides the previously known quasi-criti","authors_text":"C. Di Castro, D. Betto, E. Andersson, F. Lombardi, G. De Vecchi, G. Ghiringhelli, G. M. De Luca, L. Braicovich, M. Grilli, M. Salluzzo, N. B. Brookes, R. Arpaia, R. Fumagalli, S. Caprara, Y.Y. Peng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-09-13T13:40:41Z","title":"Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04949","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":"sha256:6ad66199b5fbd1f34c9b6f84188d8477a4294447e6418b96374745f30c17a8a9","target":"record","created_at":"2026-07-05T00:00:43Z","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":"3489f36e6cdf5c75e40a6eb58af22acf5e48ae5a6fa0bad2c945ca57f7834664","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-09-13T13:40:41Z","title_canon_sha256":"acc71ff68c6dbc2ef04bc91f980a4a630b132887ea385434837a6bbc7a2d78ab"},"schema_version":"1.0","source":{"id":"1809.04949","kind":"arxiv","version":1}},"canonical_sha256":"9e20aa9adfe44318a847ba2d61de72871509c1bacbe25c4c1888ff8c471308c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e20aa9adfe44318a847ba2d61de72871509c1bacbe25c4c1888ff8c471308c3","first_computed_at":"2026-07-05T00:00:43.431084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:00:43.431084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6fjw54MDLnm9OaXImvYxSb+3mg7hRiZdVLhUvt+IWv/0cqUJvgTiEwBG2UgN0IIW1oELFgUJ4MobZ7mArwTFBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:00:43.431511Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04949","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ad66199b5fbd1f34c9b6f84188d8477a4294447e6418b96374745f30c17a8a9","sha256:6897fe0eff115485181f71266cb933ce2407f404623f927c913fa96763918c8a"],"state_sha256":"0b211ff58d686379e4282e972b2db41a8eee916d2bd681790fb09e6a7c0b83cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+waYEu8gwNUGz8rljwcRldmXTtHjNT6E4KbFzfI1eVpubpF8QxDm/xmJoiDKicx5iBhLHks5PabSaETCqzYeBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T07:45:20.458895Z","bundle_sha256":"ca257a7b8fdfe25b7c0d3116e27023ac8e4386007ef862afc55fd79e73029c40"}}