{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:2CDUAPTVE43Q6BGBFZONTJTEJK","short_pith_number":"pith:2CDUAPTV","canonical_record":{"source":{"id":"1206.4994","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-21T19:45:02Z","cross_cats_sorted":[],"title_canon_sha256":"b111de32f7cbd3731cea6d5c6cb1aa2ac0b12ec5fc00bc5e9cf30a28887e0a61","abstract_canon_sha256":"33e169e212f2d0eab581c6f2ad4b5c4c4a63e7e1039a2774e1064a53b958843e"},"schema_version":"1.0"},"canonical_sha256":"d087403e7527370f04c12e5cd9a6644a94d24540c7b1ccba49c41c6ac02ebb44","source":{"kind":"arxiv","id":"1206.4994","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.4994","created_at":"2026-05-18T00:59:35Z"},{"alias_kind":"arxiv_version","alias_value":"1206.4994v2","created_at":"2026-05-18T00:59:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.4994","created_at":"2026-05-18T00:59:35Z"},{"alias_kind":"pith_short_12","alias_value":"2CDUAPTVE43Q","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2CDUAPTVE43Q6BGB","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2CDUAPTV","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:2CDUAPTVE43Q6BGBFZONTJTEJK","target":"record","payload":{"canonical_record":{"source":{"id":"1206.4994","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-21T19:45:02Z","cross_cats_sorted":[],"title_canon_sha256":"b111de32f7cbd3731cea6d5c6cb1aa2ac0b12ec5fc00bc5e9cf30a28887e0a61","abstract_canon_sha256":"33e169e212f2d0eab581c6f2ad4b5c4c4a63e7e1039a2774e1064a53b958843e"},"schema_version":"1.0"},"canonical_sha256":"d087403e7527370f04c12e5cd9a6644a94d24540c7b1ccba49c41c6ac02ebb44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:35.771818Z","signature_b64":"h5M3h6rqZh2w8RENJLkSIFXhiX2ZZEELaIoKOITQOGgtM5sfnYcZ8JNa7NWdpamIOKxnEl4tCuZpwV15QmAXDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d087403e7527370f04c12e5cd9a6644a94d24540c7b1ccba49c41c6ac02ebb44","last_reissued_at":"2026-05-18T00:59:35.771198Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:35.771198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.4994","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":"2026-05-18T00:59:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yIgbs5pBgdG2MjND3emutRJQt0/gexB44eh8vBlvJJOgFl9qkpUkEjfdTUTjWP9M4Kee0Iq2qy1882XSco89Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:54:18.029708Z"},"content_sha256":"2edafb692e7799758d15a19d555daf48ecf5db1be2513c87f7ddbae3f5c48790","schema_version":"1.0","event_id":"sha256:2edafb692e7799758d15a19d555daf48ecf5db1be2513c87f7ddbae3f5c48790"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:2CDUAPTVE43Q6BGBFZONTJTEJK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutron Diffraction Study of anomalous negative thermal expansion in non-superconducting PrFe1-xRuxAsO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Ashfia Huq, David Mandrus, Michael A. McGuire, Stephen E. Nagler, V. Ovidiu Garlea, Yuen Yiu","submitted_at":"2012-06-21T19:45:02Z","abstract_excerpt":"Neutron powder diffraction has been used to investigate the structural and magnetic behavior of the isoelectronically doped Fe pnictide material PrFe1-xRuxAsO. Substitution of Ru for Fe suppresses the structural and magnetic phase transitions that occur in the undoped compound PrFeAsO. Contrary to the behavior usually observed in 1111 pnictide materials, the suppression of both the structural and magnetic transitions does not result in the emergence of superconductivity or any other new ground state. Interestingly, PrFeAsO itself shows an unusual negative thermal expansion (NTE) along the c-ax"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.4994","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":"2026-05-18T00:59:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gB+KMLmIVHvAj8w0n4R9A0jX0QUF/zWhzQyXP5nVUYJP5lfSmM+AsuqvZIxBaA7nkD8Krhxx9bWTPrv89wWZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:54:18.030054Z"},"content_sha256":"a05938bceacec933b0549e2fe92b2ead96cb04376a98e4ad64654347998b6be1","schema_version":"1.0","event_id":"sha256:a05938bceacec933b0549e2fe92b2ead96cb04376a98e4ad64654347998b6be1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2CDUAPTVE43Q6BGBFZONTJTEJK/bundle.json","state_url":"https://pith.science/pith/2CDUAPTVE43Q6BGBFZONTJTEJK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2CDUAPTVE43Q6BGBFZONTJTEJK/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":"2026-05-28T10:54:18Z","links":{"resolver":"https://pith.science/pith/2CDUAPTVE43Q6BGBFZONTJTEJK","bundle":"https://pith.science/pith/2CDUAPTVE43Q6BGBFZONTJTEJK/bundle.json","state":"https://pith.science/pith/2CDUAPTVE43Q6BGBFZONTJTEJK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2CDUAPTVE43Q6BGBFZONTJTEJK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2CDUAPTVE43Q6BGBFZONTJTEJK","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":"33e169e212f2d0eab581c6f2ad4b5c4c4a63e7e1039a2774e1064a53b958843e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-21T19:45:02Z","title_canon_sha256":"b111de32f7cbd3731cea6d5c6cb1aa2ac0b12ec5fc00bc5e9cf30a28887e0a61"},"schema_version":"1.0","source":{"id":"1206.4994","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.4994","created_at":"2026-05-18T00:59:35Z"},{"alias_kind":"arxiv_version","alias_value":"1206.4994v2","created_at":"2026-05-18T00:59:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.4994","created_at":"2026-05-18T00:59:35Z"},{"alias_kind":"pith_short_12","alias_value":"2CDUAPTVE43Q","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2CDUAPTVE43Q6BGB","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2CDUAPTV","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:a05938bceacec933b0549e2fe92b2ead96cb04376a98e4ad64654347998b6be1","target":"graph","created_at":"2026-05-18T00:59:35Z","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":"Neutron powder diffraction has been used to investigate the structural and magnetic behavior of the isoelectronically doped Fe pnictide material PrFe1-xRuxAsO. Substitution of Ru for Fe suppresses the structural and magnetic phase transitions that occur in the undoped compound PrFeAsO. Contrary to the behavior usually observed in 1111 pnictide materials, the suppression of both the structural and magnetic transitions does not result in the emergence of superconductivity or any other new ground state. Interestingly, PrFeAsO itself shows an unusual negative thermal expansion (NTE) along the c-ax","authors_text":"Ashfia Huq, David Mandrus, Michael A. McGuire, Stephen E. Nagler, V. Ovidiu Garlea, Yuen Yiu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-21T19:45:02Z","title":"Neutron Diffraction Study of anomalous negative thermal expansion in non-superconducting PrFe1-xRuxAsO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.4994","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":"sha256:2edafb692e7799758d15a19d555daf48ecf5db1be2513c87f7ddbae3f5c48790","target":"record","created_at":"2026-05-18T00:59:35Z","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":"33e169e212f2d0eab581c6f2ad4b5c4c4a63e7e1039a2774e1064a53b958843e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-21T19:45:02Z","title_canon_sha256":"b111de32f7cbd3731cea6d5c6cb1aa2ac0b12ec5fc00bc5e9cf30a28887e0a61"},"schema_version":"1.0","source":{"id":"1206.4994","kind":"arxiv","version":2}},"canonical_sha256":"d087403e7527370f04c12e5cd9a6644a94d24540c7b1ccba49c41c6ac02ebb44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d087403e7527370f04c12e5cd9a6644a94d24540c7b1ccba49c41c6ac02ebb44","first_computed_at":"2026-05-18T00:59:35.771198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:35.771198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h5M3h6rqZh2w8RENJLkSIFXhiX2ZZEELaIoKOITQOGgtM5sfnYcZ8JNa7NWdpamIOKxnEl4tCuZpwV15QmAXDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:35.771818Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.4994","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2edafb692e7799758d15a19d555daf48ecf5db1be2513c87f7ddbae3f5c48790","sha256:a05938bceacec933b0549e2fe92b2ead96cb04376a98e4ad64654347998b6be1"],"state_sha256":"958f8c96cf912d7d2978ce96ccec9f72c811b309421d119fae19698226841960"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sDxwUEhbGEFjXJrr03efYOqi9tE5mZSFyN9sDYZuW361BqpxvChP6cmTnop8Vl6vqPA3nkm3on/N8cmQ/jmiDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:54:18.031993Z","bundle_sha256":"07c5953621de6f0c87d4cda70a19b7e7ddd5d6cf9f0c54e6c2596790c199e5df"}}