{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:5RMQM5K3JV2QOKYIPMG3DVP5HW","short_pith_number":"pith:5RMQM5K3","canonical_record":{"source":{"id":"0904.2256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-04-15T08:56:36Z","cross_cats_sorted":[],"title_canon_sha256":"16c56db7eccedc911f921e44a4a3f7c7cafa007a290de934bcb0d870617767ee","abstract_canon_sha256":"1f7d15970a352371cf72d5120eaab7135a3bf4eaa3f5182e82ddfe48f7ed9abd"},"schema_version":"1.0"},"canonical_sha256":"ec5906755b4d75072b087b0db1d5fd3d8f75b33737d33f911e49632aa6c448bd","source":{"kind":"arxiv","id":"0904.2256","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2256","created_at":"2026-05-18T04:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2256v1","created_at":"2026-05-18T04:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2256","created_at":"2026-05-18T04:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"5RMQM5K3JV2Q","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"5RMQM5K3JV2QOKYI","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"5RMQM5K3","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:5RMQM5K3JV2QOKYIPMG3DVP5HW","target":"record","payload":{"canonical_record":{"source":{"id":"0904.2256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-04-15T08:56:36Z","cross_cats_sorted":[],"title_canon_sha256":"16c56db7eccedc911f921e44a4a3f7c7cafa007a290de934bcb0d870617767ee","abstract_canon_sha256":"1f7d15970a352371cf72d5120eaab7135a3bf4eaa3f5182e82ddfe48f7ed9abd"},"schema_version":"1.0"},"canonical_sha256":"ec5906755b4d75072b087b0db1d5fd3d8f75b33737d33f911e49632aa6c448bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:13.444965Z","signature_b64":"0fSCUEGxLPMg5WSlYQIRqW8KVlCWrH39fBXyYnB8WaNNcQ8PXru3Vuej8W9q/14tkbaA7cnror4yYGKzMrHPBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec5906755b4d75072b087b0db1d5fd3d8f75b33737d33f911e49632aa6c448bd","last_reissued_at":"2026-05-18T04:23:13.444186Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:13.444186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.2256","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eoOjXTUmRxLw8XCM2f5XkxRKozDw3U02KhU+TgOfPh3fyfTe1xQocmrPDsFN90uubZ6gCFfERcjPFRvrCyv+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T09:23:15.277012Z"},"content_sha256":"a4d402c99955321b6a2a0a88254f923da08a871a1ed776f9ef3bb55055861712","schema_version":"1.0","event_id":"sha256:a4d402c99955321b6a2a0a88254f923da08a871a1ed776f9ef3bb55055861712"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:5RMQM5K3JV2QOKYIPMG3DVP5HW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Order--disorder induced magnetic structures of FeMnP$_{0.75}$Si$_{0.25}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Lennart H\\\"aggstr\\\"om, Levente Vitos, Martin Sahlberg, Matthias Hudl, Olle Eriksson, Per Nordblad, Torbj\\\"orn Bj\\\"orkman, Yvonne Andersson","submitted_at":"2009-04-15T08:56:36Z","abstract_excerpt":"We report on the synthesis and structural characterization of the magnetocaloric FeMnP$_{0.75}$Si$_{0.25}$ compound. Two types of samples (as quenched and annealed) were synthesized and characterized structurally and magnetically. We have found that minute changes in the degree of crystallographic order causes a large change in the magnetic properties. The annealed sample, with higher degree of order is antiferromagnetic with a zero net moment. The as-quenched sample has a net moment of 1.26 $\\mu_B$/f.u. and ferrimagnetic-like behavior. Theoretical calculations give rather large values for the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2256","kind":"arxiv","version":1},"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":"2026-05-18T04:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uodfI/OSx1QCxlcIeK7LnUDRUwtdcBI5EYh+2+ZaSxMNPX+XM7votZUlFzCHYxGE6auAsgfKGOjPt5wVHXhyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T09:23:15.277357Z"},"content_sha256":"d35aaeb4105d84fb6cf774fb5a27f738ea98cd049c05bbd8e65bd3c94e4503ac","schema_version":"1.0","event_id":"sha256:d35aaeb4105d84fb6cf774fb5a27f738ea98cd049c05bbd8e65bd3c94e4503ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5RMQM5K3JV2QOKYIPMG3DVP5HW/bundle.json","state_url":"https://pith.science/pith/5RMQM5K3JV2QOKYIPMG3DVP5HW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5RMQM5K3JV2QOKYIPMG3DVP5HW/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":"2026-06-27T09:23:15Z","links":{"resolver":"https://pith.science/pith/5RMQM5K3JV2QOKYIPMG3DVP5HW","bundle":"https://pith.science/pith/5RMQM5K3JV2QOKYIPMG3DVP5HW/bundle.json","state":"https://pith.science/pith/5RMQM5K3JV2QOKYIPMG3DVP5HW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5RMQM5K3JV2QOKYIPMG3DVP5HW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:5RMQM5K3JV2QOKYIPMG3DVP5HW","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":"1f7d15970a352371cf72d5120eaab7135a3bf4eaa3f5182e82ddfe48f7ed9abd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-04-15T08:56:36Z","title_canon_sha256":"16c56db7eccedc911f921e44a4a3f7c7cafa007a290de934bcb0d870617767ee"},"schema_version":"1.0","source":{"id":"0904.2256","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2256","created_at":"2026-05-18T04:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2256v1","created_at":"2026-05-18T04:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2256","created_at":"2026-05-18T04:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"5RMQM5K3JV2Q","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"5RMQM5K3JV2QOKYI","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"5RMQM5K3","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:d35aaeb4105d84fb6cf774fb5a27f738ea98cd049c05bbd8e65bd3c94e4503ac","target":"graph","created_at":"2026-05-18T04:23:13Z","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":"We report on the synthesis and structural characterization of the magnetocaloric FeMnP$_{0.75}$Si$_{0.25}$ compound. Two types of samples (as quenched and annealed) were synthesized and characterized structurally and magnetically. We have found that minute changes in the degree of crystallographic order causes a large change in the magnetic properties. The annealed sample, with higher degree of order is antiferromagnetic with a zero net moment. The as-quenched sample has a net moment of 1.26 $\\mu_B$/f.u. and ferrimagnetic-like behavior. Theoretical calculations give rather large values for the","authors_text":"Lennart H\\\"aggstr\\\"om, Levente Vitos, Martin Sahlberg, Matthias Hudl, Olle Eriksson, Per Nordblad, Torbj\\\"orn Bj\\\"orkman, Yvonne Andersson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-04-15T08:56:36Z","title":"Order--disorder induced magnetic structures of FeMnP$_{0.75}$Si$_{0.25}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2256","kind":"arxiv","version":1},"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:a4d402c99955321b6a2a0a88254f923da08a871a1ed776f9ef3bb55055861712","target":"record","created_at":"2026-05-18T04:23:13Z","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":"1f7d15970a352371cf72d5120eaab7135a3bf4eaa3f5182e82ddfe48f7ed9abd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-04-15T08:56:36Z","title_canon_sha256":"16c56db7eccedc911f921e44a4a3f7c7cafa007a290de934bcb0d870617767ee"},"schema_version":"1.0","source":{"id":"0904.2256","kind":"arxiv","version":1}},"canonical_sha256":"ec5906755b4d75072b087b0db1d5fd3d8f75b33737d33f911e49632aa6c448bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec5906755b4d75072b087b0db1d5fd3d8f75b33737d33f911e49632aa6c448bd","first_computed_at":"2026-05-18T04:23:13.444186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:23:13.444186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0fSCUEGxLPMg5WSlYQIRqW8KVlCWrH39fBXyYnB8WaNNcQ8PXru3Vuej8W9q/14tkbaA7cnror4yYGKzMrHPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:23:13.444965Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.2256","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4d402c99955321b6a2a0a88254f923da08a871a1ed776f9ef3bb55055861712","sha256:d35aaeb4105d84fb6cf774fb5a27f738ea98cd049c05bbd8e65bd3c94e4503ac"],"state_sha256":"76306d4fccd64bd12142f5e6365bdedb8178484c358e3c2097e0dd09aa847d1d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TVDLZBzznarlAzQF/nd2wRkj47GofbS6ROjgznxS5EAUNDjLzJSdqF63SEyEItEYxN7OQyTR+ys6sRYK5rrWCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T09:23:15.279204Z","bundle_sha256":"2246872397ae96f0240109c0f4c34af0910938c71914a20bf50093fe828ad3aa"}}