{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:XAAJF7AQQULJFVUBFJLPYTGZDP","short_pith_number":"pith:XAAJF7AQ","canonical_record":{"source":{"id":"1008.3799","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-23T11:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"c6869d3faf16c1d35a2d44bed011d287d270d2357af9030ad977cc2765fb8fd7","abstract_canon_sha256":"d74ff4bca202ce95a2567da1889cb789c6bf160af63aee26dbb16ef5680bfa83"},"schema_version":"1.0"},"canonical_sha256":"b80092fc10851692d6812a56fc4cd91befadaed3b9a825817de68a39bd566e58","source":{"kind":"arxiv","id":"1008.3799","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3799","created_at":"2026-05-18T04:41:55Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3799v1","created_at":"2026-05-18T04:41:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3799","created_at":"2026-05-18T04:41:55Z"},{"alias_kind":"pith_short_12","alias_value":"XAAJF7AQQULJ","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XAAJF7AQQULJFVUB","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XAAJF7AQ","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:XAAJF7AQQULJFVUBFJLPYTGZDP","target":"record","payload":{"canonical_record":{"source":{"id":"1008.3799","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-23T11:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"c6869d3faf16c1d35a2d44bed011d287d270d2357af9030ad977cc2765fb8fd7","abstract_canon_sha256":"d74ff4bca202ce95a2567da1889cb789c6bf160af63aee26dbb16ef5680bfa83"},"schema_version":"1.0"},"canonical_sha256":"b80092fc10851692d6812a56fc4cd91befadaed3b9a825817de68a39bd566e58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:55.181600Z","signature_b64":"QLrM2geGED90mrka377FTTBgLhpzP5G5/we936H4/sQW7kebIZWzIO9RkCciCvUitHONTYwRtjUgbGCgXYpHAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b80092fc10851692d6812a56fc4cd91befadaed3b9a825817de68a39bd566e58","last_reissued_at":"2026-05-18T04:41:55.181056Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:55.181056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.3799","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":"2026-05-18T04:41:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KWJwrY66wVzAmfs1mWDJHkNwXFynHoOa9JiSOO1c2TGtriGSfakAR86mvWfC0fCditCQvJZRLx990tku2oUsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:12:17.880338Z"},"content_sha256":"6421b5a05bde5d46687f9c264b786ff97b8a0f8207677521b1687ebfe5ca9717","schema_version":"1.0","event_id":"sha256:6421b5a05bde5d46687f9c264b786ff97b8a0f8207677521b1687ebfe5ca9717"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:XAAJF7AQQULJFVUBFJLPYTGZDP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic field dependent specific heat and enhanced Wilson ratio in strongly correlated layered cobalt oxide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"H. Muguerra, P. Limelette, S. Hebert","submitted_at":"2010-08-23T11:40:09Z","abstract_excerpt":"We have investigated the low temperature specific heat properties as a function of magnetic field in the strongly correlated layered cobalt oxide [BiBa$_{0.66}$K$_{0.36}$O$_2$]CoO$_2$. These measurements reveal two kinds of magnetic field dependent contributions in qualitative agreement with the presence of a previously inferred magnetic Quantum Critical Point (QCP). First, the coefficient of the low temperature T$^3$ behavior of the specific heat turns out to sizeably decrease near a magnetic field consistent with the critical value reported in a recent paper. In addition, a moderate but sign"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3799","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":"2026-05-18T04:41:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P9D4RHNgxjYYSfUaJI3WsHskbKRph2MQf0sPXbzBfirfrsS/BxVuw+sRhGNog0OvFwODkSyIIA98dA7HA31BDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:12:17.880687Z"},"content_sha256":"4f7450dddc76297369b1802721b94836f18ca43bfd609a15c7fecb66c7d7a260","schema_version":"1.0","event_id":"sha256:4f7450dddc76297369b1802721b94836f18ca43bfd609a15c7fecb66c7d7a260"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XAAJF7AQQULJFVUBFJLPYTGZDP/bundle.json","state_url":"https://pith.science/pith/XAAJF7AQQULJFVUBFJLPYTGZDP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XAAJF7AQQULJFVUBFJLPYTGZDP/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":"2026-06-01T19:12:17Z","links":{"resolver":"https://pith.science/pith/XAAJF7AQQULJFVUBFJLPYTGZDP","bundle":"https://pith.science/pith/XAAJF7AQQULJFVUBFJLPYTGZDP/bundle.json","state":"https://pith.science/pith/XAAJF7AQQULJFVUBFJLPYTGZDP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XAAJF7AQQULJFVUBFJLPYTGZDP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:XAAJF7AQQULJFVUBFJLPYTGZDP","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":"d74ff4bca202ce95a2567da1889cb789c6bf160af63aee26dbb16ef5680bfa83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-23T11:40:09Z","title_canon_sha256":"c6869d3faf16c1d35a2d44bed011d287d270d2357af9030ad977cc2765fb8fd7"},"schema_version":"1.0","source":{"id":"1008.3799","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3799","created_at":"2026-05-18T04:41:55Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3799v1","created_at":"2026-05-18T04:41:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3799","created_at":"2026-05-18T04:41:55Z"},{"alias_kind":"pith_short_12","alias_value":"XAAJF7AQQULJ","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XAAJF7AQQULJFVUB","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XAAJF7AQ","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:4f7450dddc76297369b1802721b94836f18ca43bfd609a15c7fecb66c7d7a260","target":"graph","created_at":"2026-05-18T04:41:55Z","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 have investigated the low temperature specific heat properties as a function of magnetic field in the strongly correlated layered cobalt oxide [BiBa$_{0.66}$K$_{0.36}$O$_2$]CoO$_2$. These measurements reveal two kinds of magnetic field dependent contributions in qualitative agreement with the presence of a previously inferred magnetic Quantum Critical Point (QCP). First, the coefficient of the low temperature T$^3$ behavior of the specific heat turns out to sizeably decrease near a magnetic field consistent with the critical value reported in a recent paper. In addition, a moderate but sign","authors_text":"H. Muguerra, P. Limelette, S. Hebert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-23T11:40:09Z","title":"Magnetic field dependent specific heat and enhanced Wilson ratio in strongly correlated layered cobalt oxide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3799","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":"sha256:6421b5a05bde5d46687f9c264b786ff97b8a0f8207677521b1687ebfe5ca9717","target":"record","created_at":"2026-05-18T04:41:55Z","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":"d74ff4bca202ce95a2567da1889cb789c6bf160af63aee26dbb16ef5680bfa83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-23T11:40:09Z","title_canon_sha256":"c6869d3faf16c1d35a2d44bed011d287d270d2357af9030ad977cc2765fb8fd7"},"schema_version":"1.0","source":{"id":"1008.3799","kind":"arxiv","version":1}},"canonical_sha256":"b80092fc10851692d6812a56fc4cd91befadaed3b9a825817de68a39bd566e58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b80092fc10851692d6812a56fc4cd91befadaed3b9a825817de68a39bd566e58","first_computed_at":"2026-05-18T04:41:55.181056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:41:55.181056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QLrM2geGED90mrka377FTTBgLhpzP5G5/we936H4/sQW7kebIZWzIO9RkCciCvUitHONTYwRtjUgbGCgXYpHAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:41:55.181600Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.3799","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6421b5a05bde5d46687f9c264b786ff97b8a0f8207677521b1687ebfe5ca9717","sha256:4f7450dddc76297369b1802721b94836f18ca43bfd609a15c7fecb66c7d7a260"],"state_sha256":"3a38e330106127a06a36d18a2fe837d00015c81cbf900e0c74c6824b77ac60cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NF5wNnPE9cd6rrWDmaBLBFHQBMA4Sdwk58fokDL2v4AEHXiPjXhYiJgj9GUEKEweVuz6Loi0W2WITYEQhzUdBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:12:17.882668Z","bundle_sha256":"c43b3eca1754bf81d21a28861c51f09d457e032a1a510a181c1b90ff9a57541b"}}