{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:FLDZJSYMIDRLVAXVFDG26KDFTH","short_pith_number":"pith:FLDZJSYM","canonical_record":{"source":{"id":"1409.6898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-24T11:06:07Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"379ec6b86137cfe3162b500a71d36677859c075d522fe52bf2b06fd06c832618","abstract_canon_sha256":"58450cdf0db75c5d187b5a0468d149466c2ce08cdbd022da15eb6b3b0a3e14cb"},"schema_version":"1.0"},"canonical_sha256":"2ac794cb0c40e2ba82f528cdaf286599fc4bf2fe1084fe19ecace6bb859495a6","source":{"kind":"arxiv","id":"1409.6898","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6898","created_at":"2026-05-18T02:42:00Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6898v1","created_at":"2026-05-18T02:42:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6898","created_at":"2026-05-18T02:42:00Z"},{"alias_kind":"pith_short_12","alias_value":"FLDZJSYMIDRL","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FLDZJSYMIDRLVAXV","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FLDZJSYM","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:FLDZJSYMIDRLVAXVFDG26KDFTH","target":"record","payload":{"canonical_record":{"source":{"id":"1409.6898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-24T11:06:07Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"379ec6b86137cfe3162b500a71d36677859c075d522fe52bf2b06fd06c832618","abstract_canon_sha256":"58450cdf0db75c5d187b5a0468d149466c2ce08cdbd022da15eb6b3b0a3e14cb"},"schema_version":"1.0"},"canonical_sha256":"2ac794cb0c40e2ba82f528cdaf286599fc4bf2fe1084fe19ecace6bb859495a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:00.255277Z","signature_b64":"m2+J9Y//SSWuDhO8GiNYF0x+MqiK9lQCUp3LgeEpLDAQzy+eaQO8ZSuT+UwiRrIPITQuzAYXwKsCVaiSiLh/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ac794cb0c40e2ba82f528cdaf286599fc4bf2fe1084fe19ecace6bb859495a6","last_reissued_at":"2026-05-18T02:42:00.254907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:00.254907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.6898","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":"2026-05-18T02:42:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3OZ8CRfs5b+f8f9xszsx5ED7/N4e83d1d13ZiaFR5J8LnRYbjcz3gTWlhF8fTISfzO3fZhWkZDpL5ETxUssSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T05:22:57.548876Z"},"content_sha256":"0d82c156bebaeb880a4e929f53582af798f3c942995f51625004b0eb77a65b72","schema_version":"1.0","event_id":"sha256:0d82c156bebaeb880a4e929f53582af798f3c942995f51625004b0eb77a65b72"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:FLDZJSYMIDRLVAXVFDG26KDFTH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct magnetocaloric effect measurement technique in alternating magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.M. Aliev","submitted_at":"2014-09-24T11:06:07Z","abstract_excerpt":"A method for direct measurement of the magnetocaloric effect (MCE) in alternating magnetic fields is offered. Main advantages of the method compared to a classical direct one are the high temperature sensitivity (better than 10-3 K); the ability of measuring of MCE in weak magnetic fields (by several tens oersteds and higher); the ability of measuring of MCE on small-sized samples (1x1x 0.01 mm3 and larger); the ability of measuring of MCE in alternating magnetic fields up to 50 Hz of frequency. The results on measurement of MCE on Gd and Ni-Mn-In Heusler alloy are reported."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6898","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":"2026-05-18T02:42:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wa6XXTapc4JLdROZTaD1rWS4mBpUriU3p/+y/Axkyiee3Dg8OxVprkZGYHEU6C1pzEIr+PqeJTZT0UOgNaB0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T05:22:57.549226Z"},"content_sha256":"f5467f041799751b55a056cc026b9c8178b1aefd9fadb4f5ac7804689b7259ba","schema_version":"1.0","event_id":"sha256:f5467f041799751b55a056cc026b9c8178b1aefd9fadb4f5ac7804689b7259ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FLDZJSYMIDRLVAXVFDG26KDFTH/bundle.json","state_url":"https://pith.science/pith/FLDZJSYMIDRLVAXVFDG26KDFTH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FLDZJSYMIDRLVAXVFDG26KDFTH/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":"2026-07-04T05:22:57Z","links":{"resolver":"https://pith.science/pith/FLDZJSYMIDRLVAXVFDG26KDFTH","bundle":"https://pith.science/pith/FLDZJSYMIDRLVAXVFDG26KDFTH/bundle.json","state":"https://pith.science/pith/FLDZJSYMIDRLVAXVFDG26KDFTH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FLDZJSYMIDRLVAXVFDG26KDFTH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FLDZJSYMIDRLVAXVFDG26KDFTH","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":"58450cdf0db75c5d187b5a0468d149466c2ce08cdbd022da15eb6b3b0a3e14cb","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-24T11:06:07Z","title_canon_sha256":"379ec6b86137cfe3162b500a71d36677859c075d522fe52bf2b06fd06c832618"},"schema_version":"1.0","source":{"id":"1409.6898","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6898","created_at":"2026-05-18T02:42:00Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6898v1","created_at":"2026-05-18T02:42:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6898","created_at":"2026-05-18T02:42:00Z"},{"alias_kind":"pith_short_12","alias_value":"FLDZJSYMIDRL","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FLDZJSYMIDRLVAXV","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FLDZJSYM","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:f5467f041799751b55a056cc026b9c8178b1aefd9fadb4f5ac7804689b7259ba","target":"graph","created_at":"2026-05-18T02:42:00Z","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":"A method for direct measurement of the magnetocaloric effect (MCE) in alternating magnetic fields is offered. Main advantages of the method compared to a classical direct one are the high temperature sensitivity (better than 10-3 K); the ability of measuring of MCE in weak magnetic fields (by several tens oersteds and higher); the ability of measuring of MCE on small-sized samples (1x1x 0.01 mm3 and larger); the ability of measuring of MCE in alternating magnetic fields up to 50 Hz of frequency. The results on measurement of MCE on Gd and Ni-Mn-In Heusler alloy are reported.","authors_text":"A.M. Aliev","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-24T11:06:07Z","title":"Direct magnetocaloric effect measurement technique in alternating magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6898","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":"sha256:0d82c156bebaeb880a4e929f53582af798f3c942995f51625004b0eb77a65b72","target":"record","created_at":"2026-05-18T02:42:00Z","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":"58450cdf0db75c5d187b5a0468d149466c2ce08cdbd022da15eb6b3b0a3e14cb","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-24T11:06:07Z","title_canon_sha256":"379ec6b86137cfe3162b500a71d36677859c075d522fe52bf2b06fd06c832618"},"schema_version":"1.0","source":{"id":"1409.6898","kind":"arxiv","version":1}},"canonical_sha256":"2ac794cb0c40e2ba82f528cdaf286599fc4bf2fe1084fe19ecace6bb859495a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ac794cb0c40e2ba82f528cdaf286599fc4bf2fe1084fe19ecace6bb859495a6","first_computed_at":"2026-05-18T02:42:00.254907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:00.254907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m2+J9Y//SSWuDhO8GiNYF0x+MqiK9lQCUp3LgeEpLDAQzy+eaQO8ZSuT+UwiRrIPITQuzAYXwKsCVaiSiLh/CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:00.255277Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.6898","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d82c156bebaeb880a4e929f53582af798f3c942995f51625004b0eb77a65b72","sha256:f5467f041799751b55a056cc026b9c8178b1aefd9fadb4f5ac7804689b7259ba"],"state_sha256":"52ca0539c77cfe9caf822efc30cfa4c0ea90a2945c845796eed1778d07e4e757"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yx2+7BFpoa7xYeKR5xn+VJDwZCUveb2G9CFUtqH4k8AhbCwMvbX4BF5fHNZBvfz0cRuNZGNLit7C1B/ORzQwBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T05:22:57.551310Z","bundle_sha256":"a58325f148d144855acb0dc5e0086053a0f2d528376619a3ed7122edf32f2368"}}