{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:3F5X2T7DNPBXSOJGY46THRXSYU","short_pith_number":"pith:3F5X2T7D","canonical_record":{"source":{"id":"1008.2015","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-11T21:18:25Z","cross_cats_sorted":[],"title_canon_sha256":"400556c9bfbd286bdbdd56415d230b0fee02f6b394b1a7f7b89c53f3b55fc72d","abstract_canon_sha256":"3193e8d24c900fd56ac10b4fc0ae8145759c31409a8088a88f537bd1000dc613"},"schema_version":"1.0"},"canonical_sha256":"d97b7d4fe36bc3793926c73d33c6f2c505eb4e7d963512706610aa2def55fa36","source":{"kind":"arxiv","id":"1008.2015","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2015","created_at":"2026-05-18T04:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2015v2","created_at":"2026-05-18T04:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2015","created_at":"2026-05-18T04:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"3F5X2T7DNPBX","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3F5X2T7DNPBXSOJG","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3F5X2T7D","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:3F5X2T7DNPBXSOJGY46THRXSYU","target":"record","payload":{"canonical_record":{"source":{"id":"1008.2015","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-11T21:18:25Z","cross_cats_sorted":[],"title_canon_sha256":"400556c9bfbd286bdbdd56415d230b0fee02f6b394b1a7f7b89c53f3b55fc72d","abstract_canon_sha256":"3193e8d24c900fd56ac10b4fc0ae8145759c31409a8088a88f537bd1000dc613"},"schema_version":"1.0"},"canonical_sha256":"d97b7d4fe36bc3793926c73d33c6f2c505eb4e7d963512706610aa2def55fa36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:14.418464Z","signature_b64":"BLi2LKJauRTx0QpZNBvl65SNyiYgTZV8BHEn8msUf9jvGyz7Fey0QCFgx5/OJRNQdIZwqKTyNU/gLsQWfH9cBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d97b7d4fe36bc3793926c73d33c6f2c505eb4e7d963512706610aa2def55fa36","last_reissued_at":"2026-05-18T04:42:14.417978Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:14.417978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.2015","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":"2026-05-18T04:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8jqLPN+vdakyU/0w50TNvZuEbz1q44gfWYzbq/Ywrpf7b+WU+w6CnpjpVDCx0BwkE9WDrqROYinATzQhYU6FCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:21:37.249479Z"},"content_sha256":"7908ade090a81f0a4e62bdefb92d67359d66da7a5b084de52f84fa026afe9421","schema_version":"1.0","event_id":"sha256:7908ade090a81f0a4e62bdefb92d67359d66da7a5b084de52f84fa026afe9421"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:3F5X2T7DNPBXSOJGY46THRXSYU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scale-free structural organization of oxygen interstitials in La2CuO4+y","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alessandro Ricci, Antonio Bianconi, Gabriel Aeppli, Gaetano Campi, Manfred Burghammer, Michela Fratini, Nicola Poccia","submitted_at":"2010-08-11T21:18:25Z","abstract_excerpt":"It is well known that the microstructures of the transition-metal oxides (refs 1-3), including the high-transition-temperature (high-Tc) copper oxide superconductors (refs 4-7), are complex. This is particularly so when there are oxygen interstitials or vacancies (ref.8), which influence the bulk properties. For example, the oxygen interstitials in the spacer layers separating the superconducting CuO2 planes undergo ordering phenomena in Sr(2)O(1+y)CuO(2) (ref. 9), YBa(2)Cu(3)O(6+y) (ref. 10) and La(2)CuO(4+y) (refs 11-15) that induce enhancements in the transition temperatures with no changes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2015","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":""},"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":"2026-05-18T04:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8JWFJwenHMX4jKQ8hsEtZWx96Yzj+u/MnpSjoaq9Ehic0V3/q7Anu9MhSA3IhF1UnKc/aqO72uP3QgZArHR7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:21:37.249856Z"},"content_sha256":"bbacd227d4f8815fd99084774863c2b9c2a6a4c68c6e0b7da9bd58c972822536","schema_version":"1.0","event_id":"sha256:bbacd227d4f8815fd99084774863c2b9c2a6a4c68c6e0b7da9bd58c972822536"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3F5X2T7DNPBXSOJGY46THRXSYU/bundle.json","state_url":"https://pith.science/pith/3F5X2T7DNPBXSOJGY46THRXSYU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3F5X2T7DNPBXSOJGY46THRXSYU/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":"2026-05-28T06:21:37Z","links":{"resolver":"https://pith.science/pith/3F5X2T7DNPBXSOJGY46THRXSYU","bundle":"https://pith.science/pith/3F5X2T7DNPBXSOJGY46THRXSYU/bundle.json","state":"https://pith.science/pith/3F5X2T7DNPBXSOJGY46THRXSYU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3F5X2T7DNPBXSOJGY46THRXSYU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:3F5X2T7DNPBXSOJGY46THRXSYU","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":"3193e8d24c900fd56ac10b4fc0ae8145759c31409a8088a88f537bd1000dc613","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-11T21:18:25Z","title_canon_sha256":"400556c9bfbd286bdbdd56415d230b0fee02f6b394b1a7f7b89c53f3b55fc72d"},"schema_version":"1.0","source":{"id":"1008.2015","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2015","created_at":"2026-05-18T04:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2015v2","created_at":"2026-05-18T04:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2015","created_at":"2026-05-18T04:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"3F5X2T7DNPBX","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3F5X2T7DNPBXSOJG","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3F5X2T7D","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:bbacd227d4f8815fd99084774863c2b9c2a6a4c68c6e0b7da9bd58c972822536","target":"graph","created_at":"2026-05-18T04:42:14Z","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":"It is well known that the microstructures of the transition-metal oxides (refs 1-3), including the high-transition-temperature (high-Tc) copper oxide superconductors (refs 4-7), are complex. This is particularly so when there are oxygen interstitials or vacancies (ref.8), which influence the bulk properties. For example, the oxygen interstitials in the spacer layers separating the superconducting CuO2 planes undergo ordering phenomena in Sr(2)O(1+y)CuO(2) (ref. 9), YBa(2)Cu(3)O(6+y) (ref. 10) and La(2)CuO(4+y) (refs 11-15) that induce enhancements in the transition temperatures with no changes","authors_text":"Alessandro Ricci, Antonio Bianconi, Gabriel Aeppli, Gaetano Campi, Manfred Burghammer, Michela Fratini, Nicola Poccia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-11T21:18:25Z","title":"Scale-free structural organization of oxygen interstitials in La2CuO4+y"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2015","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":"sha256:7908ade090a81f0a4e62bdefb92d67359d66da7a5b084de52f84fa026afe9421","target":"record","created_at":"2026-05-18T04:42:14Z","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":"3193e8d24c900fd56ac10b4fc0ae8145759c31409a8088a88f537bd1000dc613","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-11T21:18:25Z","title_canon_sha256":"400556c9bfbd286bdbdd56415d230b0fee02f6b394b1a7f7b89c53f3b55fc72d"},"schema_version":"1.0","source":{"id":"1008.2015","kind":"arxiv","version":2}},"canonical_sha256":"d97b7d4fe36bc3793926c73d33c6f2c505eb4e7d963512706610aa2def55fa36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d97b7d4fe36bc3793926c73d33c6f2c505eb4e7d963512706610aa2def55fa36","first_computed_at":"2026-05-18T04:42:14.417978Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:14.417978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BLi2LKJauRTx0QpZNBvl65SNyiYgTZV8BHEn8msUf9jvGyz7Fey0QCFgx5/OJRNQdIZwqKTyNU/gLsQWfH9cBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:14.418464Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2015","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7908ade090a81f0a4e62bdefb92d67359d66da7a5b084de52f84fa026afe9421","sha256:bbacd227d4f8815fd99084774863c2b9c2a6a4c68c6e0b7da9bd58c972822536"],"state_sha256":"634a67394ae3fa5c05f031a1af72dabebdd694806248a93a177c8ed1eef13f42"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+kaFn2A1NLAKVb/B6pmToZ4EoMwiMnsqQVcOe+hAiaGQJD7M6zZ1PAu+bCzbtArDzGVsERwqta6mi1dBEQqVDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:21:37.252125Z","bundle_sha256":"6da40fe80204cf127047e6973ab73de0a546fa0ac3567416780f20df2bfaf6ac"}}