{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:6XKFPPB6L2SBNEFCLWDIXYHUZU","short_pith_number":"pith:6XKFPPB6","canonical_record":{"source":{"id":"0904.1570","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-04-09T18:50:16Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"c031cae3188027d4220779cce3e8695bd03c8efb09510ad19e9d37ba25050480","abstract_canon_sha256":"e208b0b719ee0437bb2be2ece9b736634634778dc22889cbd38d7e128dae18a4"},"schema_version":"1.0"},"canonical_sha256":"f5d457bc3e5ea41690a25d868be0f4cd3261e75ef8d8ed01798358e41a9dedd1","source":{"kind":"arxiv","id":"0904.1570","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.1570","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"arxiv_version","alias_value":"0904.1570v2","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.1570","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"pith_short_12","alias_value":"6XKFPPB6L2SB","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"pith_short_16","alias_value":"6XKFPPB6L2SBNEFC","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"pith_short_8","alias_value":"6XKFPPB6","created_at":"2026-07-04T15:47:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:6XKFPPB6L2SBNEFCLWDIXYHUZU","target":"record","payload":{"canonical_record":{"source":{"id":"0904.1570","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-04-09T18:50:16Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"c031cae3188027d4220779cce3e8695bd03c8efb09510ad19e9d37ba25050480","abstract_canon_sha256":"e208b0b719ee0437bb2be2ece9b736634634778dc22889cbd38d7e128dae18a4"},"schema_version":"1.0"},"canonical_sha256":"f5d457bc3e5ea41690a25d868be0f4cd3261e75ef8d8ed01798358e41a9dedd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:47:23.733846Z","signature_b64":"vLqzXo/fY2eS42Q6gBUhIbszf62x116y1xBPWy3LyNsiUr+S+p6yjWB6UHwKIOmJxe8+0wL3jLrVrv20fkRyDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5d457bc3e5ea41690a25d868be0f4cd3261e75ef8d8ed01798358e41a9dedd1","last_reissued_at":"2026-07-04T15:47:23.733450Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:47:23.733450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.1570","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":"2026-07-04T15:47:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5vZg6gaY6YionHD5GtBjSyZ24Tg1YR3xVqchWv62tqHnzXjB4zH7iKAkfw3Xmgd0cGs3KhynsjCrENchee8rDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T19:46:26.074120Z"},"content_sha256":"758cff4b531aa4104616a4baa691a0098c9b1e7b2cc94ede8902f59b4a2df2e9","schema_version":"1.0","event_id":"sha256:758cff4b531aa4104616a4baa691a0098c9b1e7b2cc94ede8902f59b4a2df2e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:6XKFPPB6L2SBNEFCLWDIXYHUZU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Suppression of spin density wave by isoelectronic substitution in PrFe(1-x)Ru(x)AsO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Athena S. Sefat, Brian C. Sales, David J. Singh, David Mandrus, Michael A. McGuire","submitted_at":"2009-04-09T18:50:16Z","abstract_excerpt":"We have studied the effects of the isoelectronic substitution of Ru for Fe in polycrystalline samples of the spin density wave (SDW) material PrFeAsO. Crystal structures from powder x-ray diffraction at room temperature and transport properties from 2-300 K are reported. The SDW is completely suppressed upon Ru substitution. The distortion of the tetrahedral coordination environment of the transition metal site increases as the Ru concentration increases, which may be related to the absence of superconductivity above 2 K. Band structure calculations show that the larger size of Ru 4$d$ orbital"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.1570","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/0904.1570/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":"2026-07-04T15:47:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ufrxdgc7lx9EsNLAUC8yfyxSxdGqUT2TKuzW6/CbagHdp0bp/D7zUr+LgqHAV/Lyeb95XkXYKZ0pdA+WPJnSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T19:46:26.074521Z"},"content_sha256":"c14af1f23d3e5388cd590f54a0b221776337292e0e5c62e0a95255d9a3cbd8e8","schema_version":"1.0","event_id":"sha256:c14af1f23d3e5388cd590f54a0b221776337292e0e5c62e0a95255d9a3cbd8e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6XKFPPB6L2SBNEFCLWDIXYHUZU/bundle.json","state_url":"https://pith.science/pith/6XKFPPB6L2SBNEFCLWDIXYHUZU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6XKFPPB6L2SBNEFCLWDIXYHUZU/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":"2026-07-17T19:46:26Z","links":{"resolver":"https://pith.science/pith/6XKFPPB6L2SBNEFCLWDIXYHUZU","bundle":"https://pith.science/pith/6XKFPPB6L2SBNEFCLWDIXYHUZU/bundle.json","state":"https://pith.science/pith/6XKFPPB6L2SBNEFCLWDIXYHUZU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6XKFPPB6L2SBNEFCLWDIXYHUZU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:6XKFPPB6L2SBNEFCLWDIXYHUZU","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":"e208b0b719ee0437bb2be2ece9b736634634778dc22889cbd38d7e128dae18a4","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-04-09T18:50:16Z","title_canon_sha256":"c031cae3188027d4220779cce3e8695bd03c8efb09510ad19e9d37ba25050480"},"schema_version":"1.0","source":{"id":"0904.1570","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.1570","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"arxiv_version","alias_value":"0904.1570v2","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.1570","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"pith_short_12","alias_value":"6XKFPPB6L2SB","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"pith_short_16","alias_value":"6XKFPPB6L2SBNEFC","created_at":"2026-07-04T15:47:23Z"},{"alias_kind":"pith_short_8","alias_value":"6XKFPPB6","created_at":"2026-07-04T15:47:23Z"}],"graph_snapshots":[{"event_id":"sha256:c14af1f23d3e5388cd590f54a0b221776337292e0e5c62e0a95255d9a3cbd8e8","target":"graph","created_at":"2026-07-04T15:47:23Z","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/0904.1570/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have studied the effects of the isoelectronic substitution of Ru for Fe in polycrystalline samples of the spin density wave (SDW) material PrFeAsO. Crystal structures from powder x-ray diffraction at room temperature and transport properties from 2-300 K are reported. The SDW is completely suppressed upon Ru substitution. The distortion of the tetrahedral coordination environment of the transition metal site increases as the Ru concentration increases, which may be related to the absence of superconductivity above 2 K. Band structure calculations show that the larger size of Ru 4$d$ orbital","authors_text":"Athena S. Sefat, Brian C. Sales, David J. Singh, David Mandrus, Michael A. McGuire","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-04-09T18:50:16Z","title":"Suppression of spin density wave by isoelectronic substitution in PrFe(1-x)Ru(x)AsO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.1570","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":"sha256:758cff4b531aa4104616a4baa691a0098c9b1e7b2cc94ede8902f59b4a2df2e9","target":"record","created_at":"2026-07-04T15:47:23Z","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":"e208b0b719ee0437bb2be2ece9b736634634778dc22889cbd38d7e128dae18a4","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-04-09T18:50:16Z","title_canon_sha256":"c031cae3188027d4220779cce3e8695bd03c8efb09510ad19e9d37ba25050480"},"schema_version":"1.0","source":{"id":"0904.1570","kind":"arxiv","version":2}},"canonical_sha256":"f5d457bc3e5ea41690a25d868be0f4cd3261e75ef8d8ed01798358e41a9dedd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5d457bc3e5ea41690a25d868be0f4cd3261e75ef8d8ed01798358e41a9dedd1","first_computed_at":"2026-07-04T15:47:23.733450Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:47:23.733450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vLqzXo/fY2eS42Q6gBUhIbszf62x116y1xBPWy3LyNsiUr+S+p6yjWB6UHwKIOmJxe8+0wL3jLrVrv20fkRyDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:47:23.733846Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.1570","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:758cff4b531aa4104616a4baa691a0098c9b1e7b2cc94ede8902f59b4a2df2e9","sha256:c14af1f23d3e5388cd590f54a0b221776337292e0e5c62e0a95255d9a3cbd8e8"],"state_sha256":"ad6697d56cbb79e997febb1acf2387c97f9d6e7dfe262b3b99f37ef3bc44446a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8SPDHgpr4/daM9F9puueCe2d7G4+TTmPX82vrsQ8TYTuJknaP7vPf9zLjx5oNIcziaJ6VnZe0ixK77xnb9kAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T19:46:26.076524Z","bundle_sha256":"2b64356ff033c6a3d6d37cb6360784810d67d6a6d576fd806d9df213196b2437"}}