{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:5N3QPP3CT44P2XSZCLUIIPK4JB","short_pith_number":"pith:5N3QPP3C","canonical_record":{"source":{"id":"1102.2205","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-10T19:09:56Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"6f903438f8f6f16599c495e4ee543b00cb8e886198a1e51a4a95cee3260ba931","abstract_canon_sha256":"6bd67cde4b2ab00b8fade58ee8d6a1ef86698cce6d916064cd89363262cf0788"},"schema_version":"1.0"},"canonical_sha256":"eb7707bf629f38fd5e5912e8843d5c48629334d3c2a0f306d176e790d255b104","source":{"kind":"arxiv","id":"1102.2205","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2205","created_at":"2026-05-18T04:26:34Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2205v1","created_at":"2026-05-18T04:26:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2205","created_at":"2026-05-18T04:26:34Z"},{"alias_kind":"pith_short_12","alias_value":"5N3QPP3CT44P","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"5N3QPP3CT44P2XSZ","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"5N3QPP3C","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:5N3QPP3CT44P2XSZCLUIIPK4JB","target":"record","payload":{"canonical_record":{"source":{"id":"1102.2205","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-10T19:09:56Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"6f903438f8f6f16599c495e4ee543b00cb8e886198a1e51a4a95cee3260ba931","abstract_canon_sha256":"6bd67cde4b2ab00b8fade58ee8d6a1ef86698cce6d916064cd89363262cf0788"},"schema_version":"1.0"},"canonical_sha256":"eb7707bf629f38fd5e5912e8843d5c48629334d3c2a0f306d176e790d255b104","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:34.119616Z","signature_b64":"XCvo4Wugf2ArFAnuX8KXSn8GlGSTiRGSs1EAmM0H+E39mooRX+BIClXRjiS8kDicwFKlkSrP0DL/bS8ibvHODA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb7707bf629f38fd5e5912e8843d5c48629334d3c2a0f306d176e790d255b104","last_reissued_at":"2026-05-18T04:26:34.118876Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:34.118876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.2205","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":"2026-05-18T04:26:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/bwIpdsC5nHyzkZu9h8pqqNE5JS56d/Um6fdfJ7HKvgbuw4LH4XI/9z7cXAVG8WrUbYq4p1CC2EI62Bi5XPUCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:11:01.690534Z"},"content_sha256":"011585e0a5ef05f94212f45af4f94d213c3c8d7c1642875357f4943448344b6a","schema_version":"1.0","event_id":"sha256:011585e0a5ef05f94212f45af4f94d213c3c8d7c1642875357f4943448344b6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:5N3QPP3CT44P2XSZCLUIIPK4JB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hour-glass magnetic spectrum in an insulating, hole-doped antiferromagnet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A. T. Boothroyd, D. Prabhakaran, P. Babkevich, P. G. Freeman","submitted_at":"2011-02-10T19:09:56Z","abstract_excerpt":"Superconductivity in layered copper-oxide compounds emerges when charge carriers are added to antiferromagnetically-ordered CuO2 layers. The carriers destroy the antiferromagnetic order, but strong spin fluctuations persist throughout the superconducting phase and are intimately linked to super-conductivity. Neutron scattering measurements of spin fluctuations in hole-doped copper oxides have revealed an unusual `hour-glass' feature in the momentum-resolved magnetic spectrum, present in a wide range of superconducting and non-superconducting materials. There is no widely-accepted explanation f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2205","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":"2026-05-18T04:26:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9wnQ35QGxLA7kXVHUyuQS+T+gqmuBmKd90GYPZEocGYwmwMzMetJAs0ZI3nRwX/u+vNkbhrQv1/2Sl7AOvQaAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:11:01.690877Z"},"content_sha256":"911e00f5aaf3880d25410b72d5572a098c1c719afa43e233b2a5066a5b3ec127","schema_version":"1.0","event_id":"sha256:911e00f5aaf3880d25410b72d5572a098c1c719afa43e233b2a5066a5b3ec127"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5N3QPP3CT44P2XSZCLUIIPK4JB/bundle.json","state_url":"https://pith.science/pith/5N3QPP3CT44P2XSZCLUIIPK4JB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5N3QPP3CT44P2XSZCLUIIPK4JB/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":"2026-05-30T13:11:01Z","links":{"resolver":"https://pith.science/pith/5N3QPP3CT44P2XSZCLUIIPK4JB","bundle":"https://pith.science/pith/5N3QPP3CT44P2XSZCLUIIPK4JB/bundle.json","state":"https://pith.science/pith/5N3QPP3CT44P2XSZCLUIIPK4JB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5N3QPP3CT44P2XSZCLUIIPK4JB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:5N3QPP3CT44P2XSZCLUIIPK4JB","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":"6bd67cde4b2ab00b8fade58ee8d6a1ef86698cce6d916064cd89363262cf0788","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-10T19:09:56Z","title_canon_sha256":"6f903438f8f6f16599c495e4ee543b00cb8e886198a1e51a4a95cee3260ba931"},"schema_version":"1.0","source":{"id":"1102.2205","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2205","created_at":"2026-05-18T04:26:34Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2205v1","created_at":"2026-05-18T04:26:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2205","created_at":"2026-05-18T04:26:34Z"},{"alias_kind":"pith_short_12","alias_value":"5N3QPP3CT44P","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"5N3QPP3CT44P2XSZ","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"5N3QPP3C","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:911e00f5aaf3880d25410b72d5572a098c1c719afa43e233b2a5066a5b3ec127","target":"graph","created_at":"2026-05-18T04:26:34Z","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":"Superconductivity in layered copper-oxide compounds emerges when charge carriers are added to antiferromagnetically-ordered CuO2 layers. The carriers destroy the antiferromagnetic order, but strong spin fluctuations persist throughout the superconducting phase and are intimately linked to super-conductivity. Neutron scattering measurements of spin fluctuations in hole-doped copper oxides have revealed an unusual `hour-glass' feature in the momentum-resolved magnetic spectrum, present in a wide range of superconducting and non-superconducting materials. There is no widely-accepted explanation f","authors_text":"A. T. Boothroyd, D. Prabhakaran, P. Babkevich, P. G. Freeman","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-10T19:09:56Z","title":"Hour-glass magnetic spectrum in an insulating, hole-doped antiferromagnet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2205","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":"sha256:011585e0a5ef05f94212f45af4f94d213c3c8d7c1642875357f4943448344b6a","target":"record","created_at":"2026-05-18T04:26:34Z","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":"6bd67cde4b2ab00b8fade58ee8d6a1ef86698cce6d916064cd89363262cf0788","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-10T19:09:56Z","title_canon_sha256":"6f903438f8f6f16599c495e4ee543b00cb8e886198a1e51a4a95cee3260ba931"},"schema_version":"1.0","source":{"id":"1102.2205","kind":"arxiv","version":1}},"canonical_sha256":"eb7707bf629f38fd5e5912e8843d5c48629334d3c2a0f306d176e790d255b104","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb7707bf629f38fd5e5912e8843d5c48629334d3c2a0f306d176e790d255b104","first_computed_at":"2026-05-18T04:26:34.118876Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:34.118876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XCvo4Wugf2ArFAnuX8KXSn8GlGSTiRGSs1EAmM0H+E39mooRX+BIClXRjiS8kDicwFKlkSrP0DL/bS8ibvHODA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:34.119616Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.2205","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:011585e0a5ef05f94212f45af4f94d213c3c8d7c1642875357f4943448344b6a","sha256:911e00f5aaf3880d25410b72d5572a098c1c719afa43e233b2a5066a5b3ec127"],"state_sha256":"a8291b15b214bcc91ed488d6204cdda9ecc660eed50af2d1e17dcfc018cec628"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"idkJia6o3F4o67gNvT6zApi9ZMDAt3p/GxcqK7crql5XxV1cG7KdDp87NTr4p0w0V9Hb11+w/gtwAo/L59MyBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:11:01.692946Z","bundle_sha256":"15073438b1a8602f2bccd4ae3549fd794109843d6aa45cf0bf1e8d2ecbf3fb89"}}