{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:QB6OJFN75LWUX5YPDFEUCLXKDU","short_pith_number":"pith:QB6OJFN7","canonical_record":{"source":{"id":"cond-mat/0102489","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-02-27T09:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"738707d8122392b6785b93342901047f4a842794b9525243a83a147ca39b5d6b","abstract_canon_sha256":"a993d3973c8e62fecd93bb282798ba418e35cb001953a80ded14277277fbf73c"},"schema_version":"1.0"},"canonical_sha256":"807ce495bfeaed4bf70f1949412eea1d23dce069c8e130bafb84245894e1f183","source":{"kind":"arxiv","id":"cond-mat/0102489","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0102489","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0102489v2","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0102489","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"pith_short_12","alias_value":"QB6OJFN75LWU","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"pith_short_16","alias_value":"QB6OJFN75LWUX5YP","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"pith_short_8","alias_value":"QB6OJFN7","created_at":"2026-07-04T16:25:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:QB6OJFN75LWUX5YPDFEUCLXKDU","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0102489","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-02-27T09:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"738707d8122392b6785b93342901047f4a842794b9525243a83a147ca39b5d6b","abstract_canon_sha256":"a993d3973c8e62fecd93bb282798ba418e35cb001953a80ded14277277fbf73c"},"schema_version":"1.0"},"canonical_sha256":"807ce495bfeaed4bf70f1949412eea1d23dce069c8e130bafb84245894e1f183","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:25:03.567377Z","signature_b64":"HVv57LZvjAEhWgoTkgMZtjfjsJAvbtvYOlGgjaHdHB2m5Ua8jCWhNMrNBBIlvsHHoBA3Y5ppzXkmQFjhwHXZDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"807ce495bfeaed4bf70f1949412eea1d23dce069c8e130bafb84245894e1f183","last_reissued_at":"2026-07-04T16:25:03.566966Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:25:03.566966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0102489","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:25:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QqTuLOV7F9IkDKtXTRr43Fo/0lmk1/Fjr/5a+1CSjcGHVcuHz0rYgJvUT5kd+I8AdKVGbaY2MD12mxF32ZqiAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T20:59:07.168580Z"},"content_sha256":"7dd16a6906d52d25c3672d6c981e8b00b59912e897f5a9fc9e38e678958aab45","schema_version":"1.0","event_id":"sha256:7dd16a6906d52d25c3672d6c981e8b00b59912e897f5a9fc9e38e678958aab45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:QB6OJFN75LWUX5YPDFEUCLXKDU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic Structure of Mott Insulators Studied by Inelastic X-ray Scattering","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"E. D. Isaacs, K. Tsutsui, L. L. Miller, M. Z. Hasan, S. Maekawa, T. Tohyama, Z-X. Shen","submitted_at":"2001-02-27T09:34:14Z","abstract_excerpt":"The electronic structure of Mott insulators continues to be a major unsolved problem in physics despite more than half-century of intense research efforts. Well-developed momentum-resolved spectroscopies such as photoemission or neutron scattering cannot probe the full Mott gap. We report observation of dispersive charge excitations across the Mott gap in a high Tc parent cuprate Ca2CuO2Cl2 using high resolution resonant inelastic x-ray scattering shedding light on the anisotropy of Mott-gap. The results provide direct support for the Hubbard model to describe charge excitations across the Mot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0102489","kind":"arxiv","version":2},"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/cond-mat/0102489/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":"2026-07-04T16:25:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kCS96xzKYNNLWcd1ajCoqxEcXqBUwwIwM61AL9uW4ACWcHhqgkwJEGIZNZvnMALDSascNontBgtnldUwX4ekDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T20:59:07.169135Z"},"content_sha256":"79382c742dee62b5ddb52ac8875de3c85a6412c874a6e6647ccd815608d3ab8a","schema_version":"1.0","event_id":"sha256:79382c742dee62b5ddb52ac8875de3c85a6412c874a6e6647ccd815608d3ab8a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QB6OJFN75LWUX5YPDFEUCLXKDU/bundle.json","state_url":"https://pith.science/pith/QB6OJFN75LWUX5YPDFEUCLXKDU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QB6OJFN75LWUX5YPDFEUCLXKDU/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":"2026-08-07T20:59:07Z","links":{"resolver":"https://pith.science/pith/QB6OJFN75LWUX5YPDFEUCLXKDU","bundle":"https://pith.science/pith/QB6OJFN75LWUX5YPDFEUCLXKDU/bundle.json","state":"https://pith.science/pith/QB6OJFN75LWUX5YPDFEUCLXKDU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QB6OJFN75LWUX5YPDFEUCLXKDU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:QB6OJFN75LWUX5YPDFEUCLXKDU","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":"a993d3973c8e62fecd93bb282798ba418e35cb001953a80ded14277277fbf73c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-02-27T09:34:14Z","title_canon_sha256":"738707d8122392b6785b93342901047f4a842794b9525243a83a147ca39b5d6b"},"schema_version":"1.0","source":{"id":"cond-mat/0102489","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0102489","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0102489v2","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0102489","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"pith_short_12","alias_value":"QB6OJFN75LWU","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"pith_short_16","alias_value":"QB6OJFN75LWUX5YP","created_at":"2026-07-04T16:25:03Z"},{"alias_kind":"pith_short_8","alias_value":"QB6OJFN7","created_at":"2026-07-04T16:25:03Z"}],"graph_snapshots":[{"event_id":"sha256:79382c742dee62b5ddb52ac8875de3c85a6412c874a6e6647ccd815608d3ab8a","target":"graph","created_at":"2026-07-04T16:25:03Z","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/cond-mat/0102489/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The electronic structure of Mott insulators continues to be a major unsolved problem in physics despite more than half-century of intense research efforts. Well-developed momentum-resolved spectroscopies such as photoemission or neutron scattering cannot probe the full Mott gap. We report observation of dispersive charge excitations across the Mott gap in a high Tc parent cuprate Ca2CuO2Cl2 using high resolution resonant inelastic x-ray scattering shedding light on the anisotropy of Mott-gap. The results provide direct support for the Hubbard model to describe charge excitations across the Mot","authors_text":"E. D. Isaacs, K. Tsutsui, L. L. Miller, M. Z. Hasan, S. Maekawa, T. Tohyama, Z-X. Shen","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-02-27T09:34:14Z","title":"Electronic Structure of Mott Insulators Studied by Inelastic X-ray Scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0102489","kind":"arxiv","version":2},"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":"sha256:7dd16a6906d52d25c3672d6c981e8b00b59912e897f5a9fc9e38e678958aab45","target":"record","created_at":"2026-07-04T16:25:03Z","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":"a993d3973c8e62fecd93bb282798ba418e35cb001953a80ded14277277fbf73c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-02-27T09:34:14Z","title_canon_sha256":"738707d8122392b6785b93342901047f4a842794b9525243a83a147ca39b5d6b"},"schema_version":"1.0","source":{"id":"cond-mat/0102489","kind":"arxiv","version":2}},"canonical_sha256":"807ce495bfeaed4bf70f1949412eea1d23dce069c8e130bafb84245894e1f183","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"807ce495bfeaed4bf70f1949412eea1d23dce069c8e130bafb84245894e1f183","first_computed_at":"2026-07-04T16:25:03.566966Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:25:03.566966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HVv57LZvjAEhWgoTkgMZtjfjsJAvbtvYOlGgjaHdHB2m5Ua8jCWhNMrNBBIlvsHHoBA3Y5ppzXkmQFjhwHXZDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:25:03.567377Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0102489","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7dd16a6906d52d25c3672d6c981e8b00b59912e897f5a9fc9e38e678958aab45","sha256:79382c742dee62b5ddb52ac8875de3c85a6412c874a6e6647ccd815608d3ab8a"],"state_sha256":"4994e2688852ba9e4616bf0ba84e1fd2ae7b232ac01e547888f0dfb4d12643f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"deWFnDPC7wGl8FErDY+KGGnxF9Cirg1UNqcrodBLyD6u2moXH2NMlCPFpjSAVv+dqiM4gX4egRr/d3sMU/jKAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T20:59:07.172879Z","bundle_sha256":"ec95526d93aa054704c1344111db9e98975f24d4bb1e4976708c900a477162b0"}}