{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:YDSXUVYVCUTFQ2YJLMBJ4COW64","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":"712b7d3097638d604c54c6449f4693a9b062378456b4f27ad81ae472b0dc54ff","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-27T06:01:57Z","title_canon_sha256":"e32ea5bc591517b4d745abd3f6face084e025f1b4fbaa368adee613d41dd0ab9"},"schema_version":"1.0","source":{"id":"cond-mat/9912453","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9912453","created_at":"2026-07-04T16:13:47Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9912453v2","created_at":"2026-07-04T16:13:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9912453","created_at":"2026-07-04T16:13:47Z"},{"alias_kind":"pith_short_12","alias_value":"YDSXUVYVCUTF","created_at":"2026-07-04T16:13:47Z"},{"alias_kind":"pith_short_16","alias_value":"YDSXUVYVCUTFQ2YJ","created_at":"2026-07-04T16:13:47Z"},{"alias_kind":"pith_short_8","alias_value":"YDSXUVYV","created_at":"2026-07-04T16:13:47Z"}],"graph_snapshots":[{"event_id":"sha256:c71932058a50d097e168114da38c4d980d2be7c48505029d007f6444296b9f8f","target":"graph","created_at":"2026-07-04T16:13:47Z","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/9912453/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The energy spectrum of incommensurate spin fluctuations in superconducting Sr-doped La2CuO4 has been studied by inelastic neutron scattering experiments. An energy gap in the spin excitation spectrum is observed in the superconducting state of optimally doped (x=0.15) and slightly overdoped (x=0.18) samples. At temperatures well below Tc, the incommensurate peaks diminish rapidly in intensity with decreasing energy below ~8meV and merge into the background below ~3.5meV for x=0.15 and ~4.5meV for x=0.18. For both samples, the energy spectrum of the q-integrated spin susceptibility, x\"(w), exhi","authors_text":"Chul-Ho Lee, Gen Shirane, Kazuyoshi Yamada, M. A. Kastner, M. Greven, R. J. Birgeneau, Yasuo Endoh, Y-J. Kim","cross_cats":["cond-mat.str-el"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-27T06:01:57Z","title":"Energy Spectrum of Spin Fluctuations in Superconducting La2-xSrxCuO4 (0.10 < x < 0.25)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9912453","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":"sha256:7fdc955fcf8a51edcce1ccfa290c20f0f997239514399b24a0166e3cfd14f3d3","target":"record","created_at":"2026-07-04T16:13:47Z","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":"712b7d3097638d604c54c6449f4693a9b062378456b4f27ad81ae472b0dc54ff","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-27T06:01:57Z","title_canon_sha256":"e32ea5bc591517b4d745abd3f6face084e025f1b4fbaa368adee613d41dd0ab9"},"schema_version":"1.0","source":{"id":"cond-mat/9912453","kind":"arxiv","version":2}},"canonical_sha256":"c0e57a57151526586b095b029e09d6f7163932ade0911975b4638c2cbfdf364e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0e57a57151526586b095b029e09d6f7163932ade0911975b4638c2cbfdf364e","first_computed_at":"2026-07-04T16:13:47.654343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:13:47.654343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D/U7dPFytIk8fnaftgAi/50+8pAA3z5Y2FmHFQC0ijIcEVSAMEN1AHH7UH3h/871yu5TEMIPyxcf5ZDGI1i4CA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:13:47.654762Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9912453","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fdc955fcf8a51edcce1ccfa290c20f0f997239514399b24a0166e3cfd14f3d3","sha256:c71932058a50d097e168114da38c4d980d2be7c48505029d007f6444296b9f8f"],"state_sha256":"9ae4740d88114732f4f8084a231114fca024fa29ad18f2bd54774408d7d46f07"}