{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:YDSXUVYVCUTFQ2YJLMBJ4COW64","short_pith_number":"pith:YDSXUVYV","canonical_record":{"source":{"id":"cond-mat/9912453","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-27T06:01:57Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e32ea5bc591517b4d745abd3f6face084e025f1b4fbaa368adee613d41dd0ab9","abstract_canon_sha256":"712b7d3097638d604c54c6449f4693a9b062378456b4f27ad81ae472b0dc54ff"},"schema_version":"1.0"},"canonical_sha256":"c0e57a57151526586b095b029e09d6f7163932ade0911975b4638c2cbfdf364e","source":{"kind":"arxiv","id":"cond-mat/9912453","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:YDSXUVYVCUTFQ2YJLMBJ4COW64","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9912453","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-27T06:01:57Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e32ea5bc591517b4d745abd3f6face084e025f1b4fbaa368adee613d41dd0ab9","abstract_canon_sha256":"712b7d3097638d604c54c6449f4693a9b062378456b4f27ad81ae472b0dc54ff"},"schema_version":"1.0"},"canonical_sha256":"c0e57a57151526586b095b029e09d6f7163932ade0911975b4638c2cbfdf364e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:13:47.654762Z","signature_b64":"D/U7dPFytIk8fnaftgAi/50+8pAA3z5Y2FmHFQC0ijIcEVSAMEN1AHH7UH3h/871yu5TEMIPyxcf5ZDGI1i4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0e57a57151526586b095b029e09d6f7163932ade0911975b4638c2cbfdf364e","last_reissued_at":"2026-07-04T16:13:47.654343Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:13:47.654343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9912453","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":"2026-07-04T16:13:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z8cTuRliCXztLO1a1o0pXmENPsKQNjijlAsBqH4GB4bkkk5w0wRZdLYBm/NDswTkDuGdraKauC+nn4NDqaHyAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T06:52:38.708197Z"},"content_sha256":"7fdc955fcf8a51edcce1ccfa290c20f0f997239514399b24a0166e3cfd14f3d3","schema_version":"1.0","event_id":"sha256:7fdc955fcf8a51edcce1ccfa290c20f0f997239514399b24a0166e3cfd14f3d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:YDSXUVYVCUTFQ2YJLMBJ4COW64","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Spectrum of Spin Fluctuations in Superconducting La2-xSrxCuO4 (0.10 < x < 0.25)","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Chul-Ho Lee, Gen Shirane, Kazuyoshi Yamada, M. A. Kastner, M. Greven, R. J. Birgeneau, Yasuo Endoh, Y-J. Kim","submitted_at":"1999-12-27T06:01:57Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9912453","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/9912453/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":"2026-07-04T16:13:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7X5Wir6ks4Zh1mlCexzL8OORPTQarvceoJ2vEYDeFUeSBqyQ5EYA3SzZGUSIw6MMz9UgpB1lr8oJlenBWC67Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T06:52:38.708777Z"},"content_sha256":"c71932058a50d097e168114da38c4d980d2be7c48505029d007f6444296b9f8f","schema_version":"1.0","event_id":"sha256:c71932058a50d097e168114da38c4d980d2be7c48505029d007f6444296b9f8f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YDSXUVYVCUTFQ2YJLMBJ4COW64/bundle.json","state_url":"https://pith.science/pith/YDSXUVYVCUTFQ2YJLMBJ4COW64/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YDSXUVYVCUTFQ2YJLMBJ4COW64/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":"2026-08-12T06:52:38Z","links":{"resolver":"https://pith.science/pith/YDSXUVYVCUTFQ2YJLMBJ4COW64","bundle":"https://pith.science/pith/YDSXUVYVCUTFQ2YJLMBJ4COW64/bundle.json","state":"https://pith.science/pith/YDSXUVYVCUTFQ2YJLMBJ4COW64/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YDSXUVYVCUTFQ2YJLMBJ4COW64/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wd39wS9OTLSbFUUeVz/3JsfjxG5x7qAc+JQb72c8I8VIBjH7JZ/ZYA5FpS4BE3wLTrCH31KMudX05ms7WVLrAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T06:52:38.713446Z","bundle_sha256":"debf1e23fd91a261df212316611854ae8dbd60beb63d077341e735bd92cc3547"}}