{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UXTIMKN27NDHODTLRKLESB3DA7","short_pith_number":"pith:UXTIMKN2","canonical_record":{"source":{"id":"1507.08886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-07-31T14:16:43Z","cross_cats_sorted":[],"title_canon_sha256":"0ce65977acf2990c388c4fd2135271ce43d38526368f737fda7fe64989474bfa","abstract_canon_sha256":"3d50c5a81ad6378a4381eb5294935040642ec92fd8bb021e54a9537c019f7d54"},"schema_version":"1.0"},"canonical_sha256":"a5e68629bafb46770e6b8a9649076307d84672ec7dd386027fe9c4b337d5593a","source":{"kind":"arxiv","id":"1507.08886","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.08886","created_at":"2026-05-18T01:36:02Z"},{"alias_kind":"arxiv_version","alias_value":"1507.08886v1","created_at":"2026-05-18T01:36:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.08886","created_at":"2026-05-18T01:36:02Z"},{"alias_kind":"pith_short_12","alias_value":"UXTIMKN27NDH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UXTIMKN27NDHODTL","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UXTIMKN2","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UXTIMKN27NDHODTLRKLESB3DA7","target":"record","payload":{"canonical_record":{"source":{"id":"1507.08886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-07-31T14:16:43Z","cross_cats_sorted":[],"title_canon_sha256":"0ce65977acf2990c388c4fd2135271ce43d38526368f737fda7fe64989474bfa","abstract_canon_sha256":"3d50c5a81ad6378a4381eb5294935040642ec92fd8bb021e54a9537c019f7d54"},"schema_version":"1.0"},"canonical_sha256":"a5e68629bafb46770e6b8a9649076307d84672ec7dd386027fe9c4b337d5593a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:02.692126Z","signature_b64":"QHeEIMAuEOF3AjuZZCvtvtoARzq6oqYHASfjya1/9mY4lor+7ex0sFp4MiYhFWZ3uVKezgW7k3ZF5W9lD1QRAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5e68629bafb46770e6b8a9649076307d84672ec7dd386027fe9c4b337d5593a","last_reissued_at":"2026-05-18T01:36:02.691695Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:02.691695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.08886","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":"2026-05-18T01:36:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dIX74uVpEF8SrcmYYtkyhw82p5FejN8B8m/sXoQ0spYy8CzCug9xBH5hFK5/M1Vpt/inu3937QZEaZ4IVqVgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T22:04:04.978610Z"},"content_sha256":"351e5a68c06450635b9426c47a7174694a5fcec227ae028b7d6bbf28fb1e13e7","schema_version":"1.0","event_id":"sha256:351e5a68c06450635b9426c47a7174694a5fcec227ae028b7d6bbf28fb1e13e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UXTIMKN27NDHODTLRKLESB3DA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diamagnetic magnetocaloric effect due to a transversal oscillating magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"M.S. Reis","submitted_at":"2015-07-31T14:16:43Z","abstract_excerpt":"The present Letter describes the magnetocaloric effect of a diamagnetic material with a magnetic field $B_\\parallel$ along the $z$ axis and a transversal and oscillating field $B_\\perp (\\ll B_\\parallel)$ parallel to the $x-y$ plane. We show that the magnetocaloric potentials due to a change in $B_\\parallel$ is the same as those due to a change in the frequency of $B_\\perp$. These results raise the possibility of building magnetocaloric devices without moving parts, since changing frequency is a simple electronic issue, while changing the field from permanent magnets depends on mechanical aspec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.08886","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":"2026-05-18T01:36:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ec3FyyDl9d6/2Mx4YiWZ1wjevqJeGOCCyeToiOzZM+LxJUzR0KrWDajviY9P466WUwJXEScKaw5qHV2M4sevAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T22:04:04.979062Z"},"content_sha256":"961d058803d14e38b213f0580d8a0a414f98808681eccd4ca6db3b4b9da20d6b","schema_version":"1.0","event_id":"sha256:961d058803d14e38b213f0580d8a0a414f98808681eccd4ca6db3b4b9da20d6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UXTIMKN27NDHODTLRKLESB3DA7/bundle.json","state_url":"https://pith.science/pith/UXTIMKN27NDHODTLRKLESB3DA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UXTIMKN27NDHODTLRKLESB3DA7/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":"2026-06-22T22:04:04Z","links":{"resolver":"https://pith.science/pith/UXTIMKN27NDHODTLRKLESB3DA7","bundle":"https://pith.science/pith/UXTIMKN27NDHODTLRKLESB3DA7/bundle.json","state":"https://pith.science/pith/UXTIMKN27NDHODTLRKLESB3DA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UXTIMKN27NDHODTLRKLESB3DA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UXTIMKN27NDHODTLRKLESB3DA7","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":"3d50c5a81ad6378a4381eb5294935040642ec92fd8bb021e54a9537c019f7d54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-07-31T14:16:43Z","title_canon_sha256":"0ce65977acf2990c388c4fd2135271ce43d38526368f737fda7fe64989474bfa"},"schema_version":"1.0","source":{"id":"1507.08886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.08886","created_at":"2026-05-18T01:36:02Z"},{"alias_kind":"arxiv_version","alias_value":"1507.08886v1","created_at":"2026-05-18T01:36:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.08886","created_at":"2026-05-18T01:36:02Z"},{"alias_kind":"pith_short_12","alias_value":"UXTIMKN27NDH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UXTIMKN27NDHODTL","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UXTIMKN2","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:961d058803d14e38b213f0580d8a0a414f98808681eccd4ca6db3b4b9da20d6b","target":"graph","created_at":"2026-05-18T01:36:02Z","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":"The present Letter describes the magnetocaloric effect of a diamagnetic material with a magnetic field $B_\\parallel$ along the $z$ axis and a transversal and oscillating field $B_\\perp (\\ll B_\\parallel)$ parallel to the $x-y$ plane. We show that the magnetocaloric potentials due to a change in $B_\\parallel$ is the same as those due to a change in the frequency of $B_\\perp$. These results raise the possibility of building magnetocaloric devices without moving parts, since changing frequency is a simple electronic issue, while changing the field from permanent magnets depends on mechanical aspec","authors_text":"M.S. Reis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-07-31T14:16:43Z","title":"Diamagnetic magnetocaloric effect due to a transversal oscillating magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.08886","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":"sha256:351e5a68c06450635b9426c47a7174694a5fcec227ae028b7d6bbf28fb1e13e7","target":"record","created_at":"2026-05-18T01:36:02Z","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":"3d50c5a81ad6378a4381eb5294935040642ec92fd8bb021e54a9537c019f7d54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-07-31T14:16:43Z","title_canon_sha256":"0ce65977acf2990c388c4fd2135271ce43d38526368f737fda7fe64989474bfa"},"schema_version":"1.0","source":{"id":"1507.08886","kind":"arxiv","version":1}},"canonical_sha256":"a5e68629bafb46770e6b8a9649076307d84672ec7dd386027fe9c4b337d5593a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5e68629bafb46770e6b8a9649076307d84672ec7dd386027fe9c4b337d5593a","first_computed_at":"2026-05-18T01:36:02.691695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:02.691695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QHeEIMAuEOF3AjuZZCvtvtoARzq6oqYHASfjya1/9mY4lor+7ex0sFp4MiYhFWZ3uVKezgW7k3ZF5W9lD1QRAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:02.692126Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.08886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:351e5a68c06450635b9426c47a7174694a5fcec227ae028b7d6bbf28fb1e13e7","sha256:961d058803d14e38b213f0580d8a0a414f98808681eccd4ca6db3b4b9da20d6b"],"state_sha256":"d399bd36146145ee7e86ff5cd01c6cd1a012846e279f19dbb451d5aec5d76a04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pfOfk88ZqRljwbvyZ/7KtiATKZ1S+8S1vQlZu9PBuWV3L1GO2wnOn6Oa/cTJ2LCt3FdkpLbOFO0qDRZbQlaKDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T22:04:04.981522Z","bundle_sha256":"0375adef866f20f9c10e7d24a2cd009ef6f45a6c023b91ef6ab6edfef89da95c"}}