{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:FDKXT2EILNRTZKXGVM3VCTQWC4","short_pith_number":"pith:FDKXT2EI","canonical_record":{"source":{"id":"1106.2641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-06-14T09:05:09Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e7afa0a5ded0c2366f2e29097e02f8f2eac15d364aa3e99d9615e08c72abad50","abstract_canon_sha256":"90acf3623bd55a5bb73bc6d418884d10568fb14ce441abbc1675871cb84d6d8e"},"schema_version":"1.0"},"canonical_sha256":"28d579e8885b633caae6ab37514e16172a1ff945d1918407d77a1bd228628128","source":{"kind":"arxiv","id":"1106.2641","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2641","created_at":"2026-05-18T04:11:39Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2641v1","created_at":"2026-05-18T04:11:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2641","created_at":"2026-05-18T04:11:39Z"},{"alias_kind":"pith_short_12","alias_value":"FDKXT2EILNRT","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FDKXT2EILNRTZKXG","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FDKXT2EI","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:FDKXT2EILNRTZKXGVM3VCTQWC4","target":"record","payload":{"canonical_record":{"source":{"id":"1106.2641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-06-14T09:05:09Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e7afa0a5ded0c2366f2e29097e02f8f2eac15d364aa3e99d9615e08c72abad50","abstract_canon_sha256":"90acf3623bd55a5bb73bc6d418884d10568fb14ce441abbc1675871cb84d6d8e"},"schema_version":"1.0"},"canonical_sha256":"28d579e8885b633caae6ab37514e16172a1ff945d1918407d77a1bd228628128","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:39.486294Z","signature_b64":"nHerpQHTP+VBfufWmNVvzL/P6EZCn3XgJLXvhI1vFAd7myIqsOoUjBxrN6kUoe1DIXHIc4E8sd1JJF6085KrBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28d579e8885b633caae6ab37514e16172a1ff945d1918407d77a1bd228628128","last_reissued_at":"2026-05-18T04:11:39.485903Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:39.485903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.2641","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":"2026-05-18T04:11:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YNia+jSWAWdu9gZn8tcCGpDwuQkAblaG2bgkrhxo2XUpl9AFh1y3zMkh5FoVKj13TTlIZlcaevVLzAd7YpAaBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:25:47.528236Z"},"content_sha256":"15b6622e8f2c2f9fa3397c1f4d0ad537599c6d0c5035d7b5c31b85e78fb6dde0","schema_version":"1.0","event_id":"sha256:15b6622e8f2c2f9fa3397c1f4d0ad537599c6d0c5035d7b5c31b85e78fb6dde0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:FDKXT2EILNRTZKXGVM3VCTQWC4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intense paramagnon excitations in a large family of high-temperature superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"B. Keimer, C. Monney, C. T. Lin, G. Ghiringhelli, G. Khaliullin, G. L. Sun, G. M. De Luca, J. Chaloupka, K. J. Zhou, L. Braicovich, M. Bakr, M. Le Tacon, M. Minola, M. Moretti Sala, M. Salluzzo, M. W. Haverkort, S. Blanco-Canosa, T. Schmitt, V. Hinkov, Y. T. Song","submitted_at":"2011-06-14T09:05:09Z","abstract_excerpt":"In the search for the mechanism of high-temperature superconductivity, intense research has been focused on the evolution of the spin excitation spectrum upon doping from the antiferromagnetic insulating to the superconducting states of the cuprates. Because of technical limitations, the experimental investigation of doped cuprates has been largely focused on low-energy excitations in a small range of momentum space. Here we use resonant inelastic x-ray scattering to show that a large family of superconductors, encompassing underdoped YBa$_2$Cu$_4$O$_8$ and overdoped YBa$_2$Cu$_3$O$_{7}$, exhi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2641","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":"2026-05-18T04:11:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BVem/4lk49tzP2HHQI6tlVEFlZ9r4SnhoBghSHkWHp5cAr695/Vw+CGb9EvWrk6LA/UaQZLdSGLiscoWoHV+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:25:47.528594Z"},"content_sha256":"2dfa7ebf196264e96c51fc76dca3f35075649e35155bd63f6800728382930c58","schema_version":"1.0","event_id":"sha256:2dfa7ebf196264e96c51fc76dca3f35075649e35155bd63f6800728382930c58"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FDKXT2EILNRTZKXGVM3VCTQWC4/bundle.json","state_url":"https://pith.science/pith/FDKXT2EILNRTZKXGVM3VCTQWC4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FDKXT2EILNRTZKXGVM3VCTQWC4/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":"2026-06-03T06:25:47Z","links":{"resolver":"https://pith.science/pith/FDKXT2EILNRTZKXGVM3VCTQWC4","bundle":"https://pith.science/pith/FDKXT2EILNRTZKXGVM3VCTQWC4/bundle.json","state":"https://pith.science/pith/FDKXT2EILNRTZKXGVM3VCTQWC4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FDKXT2EILNRTZKXGVM3VCTQWC4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FDKXT2EILNRTZKXGVM3VCTQWC4","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":"90acf3623bd55a5bb73bc6d418884d10568fb14ce441abbc1675871cb84d6d8e","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-06-14T09:05:09Z","title_canon_sha256":"e7afa0a5ded0c2366f2e29097e02f8f2eac15d364aa3e99d9615e08c72abad50"},"schema_version":"1.0","source":{"id":"1106.2641","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2641","created_at":"2026-05-18T04:11:39Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2641v1","created_at":"2026-05-18T04:11:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2641","created_at":"2026-05-18T04:11:39Z"},{"alias_kind":"pith_short_12","alias_value":"FDKXT2EILNRT","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FDKXT2EILNRTZKXG","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FDKXT2EI","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:2dfa7ebf196264e96c51fc76dca3f35075649e35155bd63f6800728382930c58","target":"graph","created_at":"2026-05-18T04:11:39Z","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":"In the search for the mechanism of high-temperature superconductivity, intense research has been focused on the evolution of the spin excitation spectrum upon doping from the antiferromagnetic insulating to the superconducting states of the cuprates. Because of technical limitations, the experimental investigation of doped cuprates has been largely focused on low-energy excitations in a small range of momentum space. Here we use resonant inelastic x-ray scattering to show that a large family of superconductors, encompassing underdoped YBa$_2$Cu$_4$O$_8$ and overdoped YBa$_2$Cu$_3$O$_{7}$, exhi","authors_text":"B. Keimer, C. Monney, C. T. Lin, G. Ghiringhelli, G. Khaliullin, G. L. Sun, G. M. De Luca, J. Chaloupka, K. J. Zhou, L. Braicovich, M. Bakr, M. Le Tacon, M. Minola, M. Moretti Sala, M. Salluzzo, M. W. Haverkort, S. Blanco-Canosa, T. Schmitt, V. Hinkov, Y. T. Song","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-06-14T09:05:09Z","title":"Intense paramagnon excitations in a large family of high-temperature superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2641","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":"sha256:15b6622e8f2c2f9fa3397c1f4d0ad537599c6d0c5035d7b5c31b85e78fb6dde0","target":"record","created_at":"2026-05-18T04:11:39Z","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":"90acf3623bd55a5bb73bc6d418884d10568fb14ce441abbc1675871cb84d6d8e","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-06-14T09:05:09Z","title_canon_sha256":"e7afa0a5ded0c2366f2e29097e02f8f2eac15d364aa3e99d9615e08c72abad50"},"schema_version":"1.0","source":{"id":"1106.2641","kind":"arxiv","version":1}},"canonical_sha256":"28d579e8885b633caae6ab37514e16172a1ff945d1918407d77a1bd228628128","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28d579e8885b633caae6ab37514e16172a1ff945d1918407d77a1bd228628128","first_computed_at":"2026-05-18T04:11:39.485903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:39.485903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nHerpQHTP+VBfufWmNVvzL/P6EZCn3XgJLXvhI1vFAd7myIqsOoUjBxrN6kUoe1DIXHIc4E8sd1JJF6085KrBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:39.486294Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.2641","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15b6622e8f2c2f9fa3397c1f4d0ad537599c6d0c5035d7b5c31b85e78fb6dde0","sha256:2dfa7ebf196264e96c51fc76dca3f35075649e35155bd63f6800728382930c58"],"state_sha256":"564e1e478d3d633a19f202bb6289bc0e67724482e8cb978048b27bbf37289771"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IdjkZ3oYjWfnm7iWaKJHOE+dpofqOBk2SLBT2mLyBRYH9+7qrdHdZqM78yuh6ggnSNFvHwrJszrTGd/x0NvpDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:25:47.530532Z","bundle_sha256":"43f3e91584800c5eb4468305e9d846b192f320f14c0947b534d79fce7c7b1bca"}}