{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:6ZERSYFZDCCRYG3GLZBKL57M5P","short_pith_number":"pith:6ZERSYFZ","canonical_record":{"source":{"id":"0905.1773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-05-12T07:05:27Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"40fb9e1635ea75815ad3a18a1800a7e2bf0a1319fae6ba75aab17eefe3b6a5b2","abstract_canon_sha256":"fa0578c7904413d9f4ce010b8b7b27fc8ca67521f5fe8f8e119ce34e8b956a86"},"schema_version":"1.0"},"canonical_sha256":"f6491960b918851c1b665e42a5f7ecebf695fa3b2f9129f973c63cb8f30fa2b4","source":{"kind":"arxiv","id":"0905.1773","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.1773","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"arxiv_version","alias_value":"0905.1773v1","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.1773","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"pith_short_12","alias_value":"6ZERSYFZDCCR","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"pith_short_16","alias_value":"6ZERSYFZDCCRYG3G","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"pith_short_8","alias_value":"6ZERSYFZ","created_at":"2026-07-04T15:42:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:6ZERSYFZDCCRYG3GLZBKL57M5P","target":"record","payload":{"canonical_record":{"source":{"id":"0905.1773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-05-12T07:05:27Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"40fb9e1635ea75815ad3a18a1800a7e2bf0a1319fae6ba75aab17eefe3b6a5b2","abstract_canon_sha256":"fa0578c7904413d9f4ce010b8b7b27fc8ca67521f5fe8f8e119ce34e8b956a86"},"schema_version":"1.0"},"canonical_sha256":"f6491960b918851c1b665e42a5f7ecebf695fa3b2f9129f973c63cb8f30fa2b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:42:38.153341Z","signature_b64":"JDxpjT+ntx6qwiuIcoIRgjDjQToRSgXz3K8UFMeAuHBcal867dlBRz3h8oWYo9AQKogAVVEap3slHfHpAuBlCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6491960b918851c1b665e42a5f7ecebf695fa3b2f9129f973c63cb8f30fa2b4","last_reissued_at":"2026-07-04T15:42:38.152850Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:42:38.152850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.1773","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":"2026-07-04T15:42:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RHPWDA00aWT6mlWZlb6o51FDJ+Zob9EsYEfQVTfJ7HUZJaHHLZJp9SEx//s24zoHu5KQVLLosy2mWg32kCOZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T00:36:20.683722Z"},"content_sha256":"bd02d7a469f187ac2c996724e688f3fa2d461db33999e383c9869ecaca29e0df","schema_version":"1.0","event_id":"sha256:bd02d7a469f187ac2c996724e688f3fa2d461db33999e383c9869ecaca29e0df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:6ZERSYFZDCCRYG3GLZBKL57M5P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large magnetic entropy change near room temperature in antipervoskite SnCMn3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"B. S. Wang, G. Li, J. M. Dai, P. Tong, S. B. Zhang, W. H. Song, X. B. Zhu, X. D. Zhu, X. Luo, Y. P. Sun, Z. R. Yang","submitted_at":"2009-05-12T07:05:27Z","abstract_excerpt":"We report the observation of large magnetocaloric effect near room temperature in antipervoskite SnCMn3. The maximal magnetic entropy change at the first-order ferrimagnetic-paramagnetic transition temperature (TC 279 K) is about 80.69mJ/cm3 K and 133mJ/cm3 K under the magnetic field of 20 kOe and 48 kOe, respectively. These values are close to those of typical magnetocaloric materials. The large magnetocaloric effect is associated with the sharp change of lattice, resistivity and magnetization in the vicinity of TC. Through the measurements of Seebeck coefficient and normal Hall effect, the t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.1773","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0905.1773/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:42:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kjiAHKduuEIRYP1BvOJmWl1oP3I+0OqSxBsd0qSIG7dbKqPxV7nHPgaGGNcTqqx9Pl+lLKF0fwdR3Hxo1ZP+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T00:36:20.684105Z"},"content_sha256":"7fcdf6ff5d3952568d29a754468323bed68423178ed78dbcefb8bf7d584cd6a0","schema_version":"1.0","event_id":"sha256:7fcdf6ff5d3952568d29a754468323bed68423178ed78dbcefb8bf7d584cd6a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ZERSYFZDCCRYG3GLZBKL57M5P/bundle.json","state_url":"https://pith.science/pith/6ZERSYFZDCCRYG3GLZBKL57M5P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ZERSYFZDCCRYG3GLZBKL57M5P/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":"2026-07-24T00:36:20Z","links":{"resolver":"https://pith.science/pith/6ZERSYFZDCCRYG3GLZBKL57M5P","bundle":"https://pith.science/pith/6ZERSYFZDCCRYG3GLZBKL57M5P/bundle.json","state":"https://pith.science/pith/6ZERSYFZDCCRYG3GLZBKL57M5P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ZERSYFZDCCRYG3GLZBKL57M5P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:6ZERSYFZDCCRYG3GLZBKL57M5P","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":"fa0578c7904413d9f4ce010b8b7b27fc8ca67521f5fe8f8e119ce34e8b956a86","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-05-12T07:05:27Z","title_canon_sha256":"40fb9e1635ea75815ad3a18a1800a7e2bf0a1319fae6ba75aab17eefe3b6a5b2"},"schema_version":"1.0","source":{"id":"0905.1773","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.1773","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"arxiv_version","alias_value":"0905.1773v1","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.1773","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"pith_short_12","alias_value":"6ZERSYFZDCCR","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"pith_short_16","alias_value":"6ZERSYFZDCCRYG3G","created_at":"2026-07-04T15:42:38Z"},{"alias_kind":"pith_short_8","alias_value":"6ZERSYFZ","created_at":"2026-07-04T15:42:38Z"}],"graph_snapshots":[{"event_id":"sha256:7fcdf6ff5d3952568d29a754468323bed68423178ed78dbcefb8bf7d584cd6a0","target":"graph","created_at":"2026-07-04T15:42:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0905.1773/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the observation of large magnetocaloric effect near room temperature in antipervoskite SnCMn3. The maximal magnetic entropy change at the first-order ferrimagnetic-paramagnetic transition temperature (TC 279 K) is about 80.69mJ/cm3 K and 133mJ/cm3 K under the magnetic field of 20 kOe and 48 kOe, respectively. These values are close to those of typical magnetocaloric materials. The large magnetocaloric effect is associated with the sharp change of lattice, resistivity and magnetization in the vicinity of TC. Through the measurements of Seebeck coefficient and normal Hall effect, the t","authors_text":"B. S. Wang, G. Li, J. M. Dai, P. Tong, S. B. Zhang, W. H. Song, X. B. Zhu, X. D. Zhu, X. Luo, Y. P. Sun, Z. R. Yang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-05-12T07:05:27Z","title":"Large magnetic entropy change near room temperature in antipervoskite SnCMn3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.1773","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:bd02d7a469f187ac2c996724e688f3fa2d461db33999e383c9869ecaca29e0df","target":"record","created_at":"2026-07-04T15:42:38Z","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":"fa0578c7904413d9f4ce010b8b7b27fc8ca67521f5fe8f8e119ce34e8b956a86","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-05-12T07:05:27Z","title_canon_sha256":"40fb9e1635ea75815ad3a18a1800a7e2bf0a1319fae6ba75aab17eefe3b6a5b2"},"schema_version":"1.0","source":{"id":"0905.1773","kind":"arxiv","version":1}},"canonical_sha256":"f6491960b918851c1b665e42a5f7ecebf695fa3b2f9129f973c63cb8f30fa2b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6491960b918851c1b665e42a5f7ecebf695fa3b2f9129f973c63cb8f30fa2b4","first_computed_at":"2026-07-04T15:42:38.152850Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:42:38.152850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JDxpjT+ntx6qwiuIcoIRgjDjQToRSgXz3K8UFMeAuHBcal867dlBRz3h8oWYo9AQKogAVVEap3slHfHpAuBlCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:42:38.153341Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.1773","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd02d7a469f187ac2c996724e688f3fa2d461db33999e383c9869ecaca29e0df","sha256:7fcdf6ff5d3952568d29a754468323bed68423178ed78dbcefb8bf7d584cd6a0"],"state_sha256":"4620d00db3715a2cec0bd9a914023e2afab49edd2bfdf8374dc53e76ea9d68d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KumMsH+r1+qcFp6hTcMY+bSDPWTkoIssSCzdIeY1vvkBoZij9Mgbw8jpO/nAspasEym/YcvupLzCcI/FMyA4AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T00:36:20.686816Z","bundle_sha256":"568122303ffcb3cfc90d236f8188a6a2b53c4e3af1991a6ab42b980d21c721ca"}}