{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:TNDKA3UZEYGHIUASNVDNTSNDIF","short_pith_number":"pith:TNDKA3UZ","canonical_record":{"source":{"id":"1312.3014","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-11T01:03:39Z","cross_cats_sorted":[],"title_canon_sha256":"10ced96046528a66a651eb950cf956b82848cee84e4a1f8d212fd76121ea9b60","abstract_canon_sha256":"429977d293af5d696b82e048b771433d99dc958e4c528ed0a8d0a8b21a1067cd"},"schema_version":"1.0"},"canonical_sha256":"9b46a06e99260c7450126d46d9c9a34153671ad7db9416ce37c0c9fc8960c326","source":{"kind":"arxiv","id":"1312.3014","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.3014","created_at":"2026-05-18T01:45:51Z"},{"alias_kind":"arxiv_version","alias_value":"1312.3014v2","created_at":"2026-05-18T01:45:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.3014","created_at":"2026-05-18T01:45:51Z"},{"alias_kind":"pith_short_12","alias_value":"TNDKA3UZEYGH","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TNDKA3UZEYGHIUAS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TNDKA3UZ","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:TNDKA3UZEYGHIUASNVDNTSNDIF","target":"record","payload":{"canonical_record":{"source":{"id":"1312.3014","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-11T01:03:39Z","cross_cats_sorted":[],"title_canon_sha256":"10ced96046528a66a651eb950cf956b82848cee84e4a1f8d212fd76121ea9b60","abstract_canon_sha256":"429977d293af5d696b82e048b771433d99dc958e4c528ed0a8d0a8b21a1067cd"},"schema_version":"1.0"},"canonical_sha256":"9b46a06e99260c7450126d46d9c9a34153671ad7db9416ce37c0c9fc8960c326","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:51.873582Z","signature_b64":"opRkNPDnTqbidlvVy1Sv2gngzX8q4AC7tHwQdDPJVMp8X0/h/M9WxmXuHdX4X98o7X0wmWOjpUdtsCSuRfegDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b46a06e99260c7450126d46d9c9a34153671ad7db9416ce37c0c9fc8960c326","last_reissued_at":"2026-05-18T01:45:51.872964Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:51.872964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.3014","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":"2026-05-18T01:45:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQEmTQrkoFVIYMSHXIjFIutxX3hFyPQH90w3ieUyp+gZiL7y/tOfPb9+uleUXPVxxCGQBNdb2RnEHuL0s9THAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:19:29.198522Z"},"content_sha256":"86b3f2a78a58ff74a825bc08fc9b45aa43204554d4ed2316faecb182e9d17f84","schema_version":"1.0","event_id":"sha256:86b3f2a78a58ff74a825bc08fc9b45aa43204554d4ed2316faecb182e9d17f84"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:TNDKA3UZEYGHIUASNVDNTSNDIF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cs2NaAl1-xCrxF6: A family of compounds presenting magnetocaloric effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. M. Gomes, A. M. Mansanares, F. Yokaichiya, H. N. Bordallo, J. C. G. Tedesco, L. P. Sosman, M. J. M. Pires, M. Reis, P. Brand\\~ao, S. Landgesell, S. S. Pedro","submitted_at":"2013-12-11T01:03:39Z","abstract_excerpt":"In this paper we explore the magnetocaloric effect (MCE) of chromium-doped elpasolite Cs$_2$NaAl$_{1-x}$Cr$_x$F$_6$ (x = 0.01 and 0.62) single crystals. Our magnetization and heat capacity data show the magnetocaloric potentials to be comparable to those of garnets, perovskites and other fluorides, producing magnetic entropy changes of 0.5 J/kg$\\cdot$K (x = 0.01) and 11 J/kg$\\cdot$K (x = 0.62), and corresponding adiabatic temperature changes of 4 K and 8 K, respectively. These values are for a magnetic field change of 5 T at a temperature around 3 K. A clear Schottky anomaly below 10 K, which "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.3014","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":"2026-05-18T01:45:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CmU1MevWd0r0ciKhho6LELn5I/tJCg7EMAjqCG0MVGx0Dsr6FIXX1h+CUgDPcYABj8ArS24ocYTGpS5E9zE1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:19:29.198878Z"},"content_sha256":"e0110af1136ca83517ce2e1af74c7d9e0ecdb30f0eb108b9eea2d5c9acb1bcf2","schema_version":"1.0","event_id":"sha256:e0110af1136ca83517ce2e1af74c7d9e0ecdb30f0eb108b9eea2d5c9acb1bcf2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TNDKA3UZEYGHIUASNVDNTSNDIF/bundle.json","state_url":"https://pith.science/pith/TNDKA3UZEYGHIUASNVDNTSNDIF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TNDKA3UZEYGHIUASNVDNTSNDIF/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":"2026-06-05T15:19:29Z","links":{"resolver":"https://pith.science/pith/TNDKA3UZEYGHIUASNVDNTSNDIF","bundle":"https://pith.science/pith/TNDKA3UZEYGHIUASNVDNTSNDIF/bundle.json","state":"https://pith.science/pith/TNDKA3UZEYGHIUASNVDNTSNDIF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TNDKA3UZEYGHIUASNVDNTSNDIF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:TNDKA3UZEYGHIUASNVDNTSNDIF","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":"429977d293af5d696b82e048b771433d99dc958e4c528ed0a8d0a8b21a1067cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-11T01:03:39Z","title_canon_sha256":"10ced96046528a66a651eb950cf956b82848cee84e4a1f8d212fd76121ea9b60"},"schema_version":"1.0","source":{"id":"1312.3014","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.3014","created_at":"2026-05-18T01:45:51Z"},{"alias_kind":"arxiv_version","alias_value":"1312.3014v2","created_at":"2026-05-18T01:45:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.3014","created_at":"2026-05-18T01:45:51Z"},{"alias_kind":"pith_short_12","alias_value":"TNDKA3UZEYGH","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TNDKA3UZEYGHIUAS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TNDKA3UZ","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:e0110af1136ca83517ce2e1af74c7d9e0ecdb30f0eb108b9eea2d5c9acb1bcf2","target":"graph","created_at":"2026-05-18T01:45:51Z","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":"In this paper we explore the magnetocaloric effect (MCE) of chromium-doped elpasolite Cs$_2$NaAl$_{1-x}$Cr$_x$F$_6$ (x = 0.01 and 0.62) single crystals. Our magnetization and heat capacity data show the magnetocaloric potentials to be comparable to those of garnets, perovskites and other fluorides, producing magnetic entropy changes of 0.5 J/kg$\\cdot$K (x = 0.01) and 11 J/kg$\\cdot$K (x = 0.62), and corresponding adiabatic temperature changes of 4 K and 8 K, respectively. These values are for a magnetic field change of 5 T at a temperature around 3 K. A clear Schottky anomaly below 10 K, which ","authors_text":"A. M. Gomes, A. M. Mansanares, F. Yokaichiya, H. N. Bordallo, J. C. G. Tedesco, L. P. Sosman, M. J. M. Pires, M. Reis, P. Brand\\~ao, S. Landgesell, S. S. Pedro","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-11T01:03:39Z","title":"Cs2NaAl1-xCrxF6: A family of compounds presenting magnetocaloric effect"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.3014","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":"sha256:86b3f2a78a58ff74a825bc08fc9b45aa43204554d4ed2316faecb182e9d17f84","target":"record","created_at":"2026-05-18T01:45:51Z","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":"429977d293af5d696b82e048b771433d99dc958e4c528ed0a8d0a8b21a1067cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-11T01:03:39Z","title_canon_sha256":"10ced96046528a66a651eb950cf956b82848cee84e4a1f8d212fd76121ea9b60"},"schema_version":"1.0","source":{"id":"1312.3014","kind":"arxiv","version":2}},"canonical_sha256":"9b46a06e99260c7450126d46d9c9a34153671ad7db9416ce37c0c9fc8960c326","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b46a06e99260c7450126d46d9c9a34153671ad7db9416ce37c0c9fc8960c326","first_computed_at":"2026-05-18T01:45:51.872964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:51.872964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"opRkNPDnTqbidlvVy1Sv2gngzX8q4AC7tHwQdDPJVMp8X0/h/M9WxmXuHdX4X98o7X0wmWOjpUdtsCSuRfegDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:51.873582Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.3014","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86b3f2a78a58ff74a825bc08fc9b45aa43204554d4ed2316faecb182e9d17f84","sha256:e0110af1136ca83517ce2e1af74c7d9e0ecdb30f0eb108b9eea2d5c9acb1bcf2"],"state_sha256":"4c8885918fefd9d1319c432053a60ca6b1e88d8c22091f1dcecb3dee7d6b7f12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ItwT9iGKQJIRfrV9MAPmQmyxhZmXAwr7oIyqLRiyRea/k+B7WPdDP0VGdHrqPWQhADnp2Stkg+JSpit+9yj0Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:19:29.200872Z","bundle_sha256":"685a68d1aa023eda4784309773d830de01fe1ca55bfdd455d8085525d51149d5"}}