{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:6RBMGVHFJI4NA2DEJ3DWAKM2H3","short_pith_number":"pith:6RBMGVHF","canonical_record":{"source":{"id":"cond-mat/9903007","kind":"arxiv","version":5},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1999-02-27T17:23:43Z","cross_cats_sorted":[],"title_canon_sha256":"faea5a9955a86d070904cab80af430cc12b991e6fee365ff6b0b4f22bc2c9182","abstract_canon_sha256":"744cb46d32d50bb3408e5032893500ff60c09740c2d3095d981d2e674e2740b8"},"schema_version":"1.0"},"canonical_sha256":"f442c354e54a38d068644ec760299a3ee67445f60d983afb0d84063f0332d261","source":{"kind":"arxiv","id":"cond-mat/9903007","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9903007","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9903007v5","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9903007","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"pith_short_12","alias_value":"6RBMGVHFJI4N","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"pith_short_16","alias_value":"6RBMGVHFJI4NA2DE","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"pith_short_8","alias_value":"6RBMGVHF","created_at":"2026-07-04T16:12:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:6RBMGVHFJI4NA2DEJ3DWAKM2H3","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9903007","kind":"arxiv","version":5},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1999-02-27T17:23:43Z","cross_cats_sorted":[],"title_canon_sha256":"faea5a9955a86d070904cab80af430cc12b991e6fee365ff6b0b4f22bc2c9182","abstract_canon_sha256":"744cb46d32d50bb3408e5032893500ff60c09740c2d3095d981d2e674e2740b8"},"schema_version":"1.0"},"canonical_sha256":"f442c354e54a38d068644ec760299a3ee67445f60d983afb0d84063f0332d261","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:12:20.069357Z","signature_b64":"A7kFOytDojnO15OJTqb5fT0Wa0NbWTalkF4Fu1xnq6r7titAPPmKJeGaIsXaPN7gH4EFfr9BGkf/a5kACgQXBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f442c354e54a38d068644ec760299a3ee67445f60d983afb0d84063f0332d261","last_reissued_at":"2026-07-04T16:12:20.068970Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:12:20.068970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9903007","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:12:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k72t7grf15+W/7PGLyxYkX28uJwJq2Lhiio9+eEha1ul31s7axC0VExw6K/4erd3c7N9+tbOxI0RKp8dhCcqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T21:15:27.243886Z"},"content_sha256":"57ed37492c19fb03095a2a078f84f854d8ee7d68cd704174d2b6e03106cbdbab","schema_version":"1.0","event_id":"sha256:57ed37492c19fb03095a2a078f84f854d8ee7d68cd704174d2b6e03106cbdbab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:6RBMGVHFJI4NA2DEJ3DWAKM2H3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A monoclinic ferroelectric phase in the Pb(Zr1-xTix)O3 solid solution","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Noheda (1), D. E. Cox (1), G. Shirane (1), J. A. Gonzalo (2), L. E. Cross (3), NY. (2) U.A.M., PA.), S-E. Park (3). ((1) Brookhaven National Laboratory, Spain. (3) The Pennsylvania State University","submitted_at":"1999-02-27T17:23:43Z","abstract_excerpt":"A previously unreported ferroelectric phase has been revealed on a highly homogeneous sample of Pb(Zr0.52Ti0.48)O3 by high-resolution synchrotron x-ray powder diffraction measurements. At ambient temperature the sample has tetragonal symmetry (at= 4.037 A, ct= 4.138 A), and transforms below ~250 K into a phase which, unexpectedly, has monoclinic symmetry (am= 5.717 A, bm= 5.703 A, cm= 4.143 A, beta= 90.53 deg., at 20K). The intensity data strongly indicate that the polar axis lies in the monoclinic ac plane close to the pseudo-cubic [111] direction, which would be an example of the species m3m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9903007","kind":"arxiv","version":5},"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/9903007/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":"2026-07-04T16:12:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8WLl1NzznHLhPvVJ8hUA2i4laPreiYrAtScvWndTdMSK3kFVGksa2qajgHB6EgfGwTH0uX9CgI4veyEcwftEDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T21:15:27.244768Z"},"content_sha256":"2b33129e50908f1c00a0ed417012c927b23c1982e1960db4f27269e3aae51a55","schema_version":"1.0","event_id":"sha256:2b33129e50908f1c00a0ed417012c927b23c1982e1960db4f27269e3aae51a55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6RBMGVHFJI4NA2DEJ3DWAKM2H3/bundle.json","state_url":"https://pith.science/pith/6RBMGVHFJI4NA2DEJ3DWAKM2H3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6RBMGVHFJI4NA2DEJ3DWAKM2H3/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":"2026-08-16T21:15:27Z","links":{"resolver":"https://pith.science/pith/6RBMGVHFJI4NA2DEJ3DWAKM2H3","bundle":"https://pith.science/pith/6RBMGVHFJI4NA2DEJ3DWAKM2H3/bundle.json","state":"https://pith.science/pith/6RBMGVHFJI4NA2DEJ3DWAKM2H3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6RBMGVHFJI4NA2DEJ3DWAKM2H3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:6RBMGVHFJI4NA2DEJ3DWAKM2H3","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":"744cb46d32d50bb3408e5032893500ff60c09740c2d3095d981d2e674e2740b8","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1999-02-27T17:23:43Z","title_canon_sha256":"faea5a9955a86d070904cab80af430cc12b991e6fee365ff6b0b4f22bc2c9182"},"schema_version":"1.0","source":{"id":"cond-mat/9903007","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9903007","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9903007v5","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9903007","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"pith_short_12","alias_value":"6RBMGVHFJI4N","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"pith_short_16","alias_value":"6RBMGVHFJI4NA2DE","created_at":"2026-07-04T16:12:20Z"},{"alias_kind":"pith_short_8","alias_value":"6RBMGVHF","created_at":"2026-07-04T16:12:20Z"}],"graph_snapshots":[{"event_id":"sha256:2b33129e50908f1c00a0ed417012c927b23c1982e1960db4f27269e3aae51a55","target":"graph","created_at":"2026-07-04T16:12:20Z","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/9903007/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A previously unreported ferroelectric phase has been revealed on a highly homogeneous sample of Pb(Zr0.52Ti0.48)O3 by high-resolution synchrotron x-ray powder diffraction measurements. At ambient temperature the sample has tetragonal symmetry (at= 4.037 A, ct= 4.138 A), and transforms below ~250 K into a phase which, unexpectedly, has monoclinic symmetry (am= 5.717 A, bm= 5.703 A, cm= 4.143 A, beta= 90.53 deg., at 20K). The intensity data strongly indicate that the polar axis lies in the monoclinic ac plane close to the pseudo-cubic [111] direction, which would be an example of the species m3m","authors_text":"B. Noheda (1), D. E. Cox (1), G. Shirane (1), J. A. Gonzalo (2), L. E. Cross (3), NY. (2) U.A.M., PA.), S-E. Park (3). ((1) Brookhaven National Laboratory, Spain. (3) The Pennsylvania State University","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1999-02-27T17:23:43Z","title":"A monoclinic ferroelectric phase in the Pb(Zr1-xTix)O3 solid solution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9903007","kind":"arxiv","version":5},"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":"sha256:57ed37492c19fb03095a2a078f84f854d8ee7d68cd704174d2b6e03106cbdbab","target":"record","created_at":"2026-07-04T16:12:20Z","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":"744cb46d32d50bb3408e5032893500ff60c09740c2d3095d981d2e674e2740b8","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"1999-02-27T17:23:43Z","title_canon_sha256":"faea5a9955a86d070904cab80af430cc12b991e6fee365ff6b0b4f22bc2c9182"},"schema_version":"1.0","source":{"id":"cond-mat/9903007","kind":"arxiv","version":5}},"canonical_sha256":"f442c354e54a38d068644ec760299a3ee67445f60d983afb0d84063f0332d261","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f442c354e54a38d068644ec760299a3ee67445f60d983afb0d84063f0332d261","first_computed_at":"2026-07-04T16:12:20.068970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:12:20.068970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A7kFOytDojnO15OJTqb5fT0Wa0NbWTalkF4Fu1xnq6r7titAPPmKJeGaIsXaPN7gH4EFfr9BGkf/a5kACgQXBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:12:20.069357Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9903007","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57ed37492c19fb03095a2a078f84f854d8ee7d68cd704174d2b6e03106cbdbab","sha256:2b33129e50908f1c00a0ed417012c927b23c1982e1960db4f27269e3aae51a55"],"state_sha256":"1c4b5c1664fcb03ffb1da44aaded0981d6ac11bca5cf766f6390e99f2ec519a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D2iKGVGxU8pqaSpsLl7Q0CjzsZ7wqvcftb4tCjRqPBkTMzuPRxBGEpZpgVw7Nq1pbKqo9ute/shuROxPHQrjBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T21:15:27.249645Z","bundle_sha256":"109d92aa6b3bb3b9985d4a771844f8591808986cc1f1e109757834d683ce8cb1"}}