{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:LJDVOZNWRBRK5KZKJTZCLB7M4I","short_pith_number":"pith:LJDVOZNW","canonical_record":{"source":{"id":"cond-mat/9910050","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-10-05T09:08:21Z","cross_cats_sorted":[],"title_canon_sha256":"a323be68b42ab8417c8897d157813bb941d5ea039bf2c056a7e43dad4e75a119","abstract_canon_sha256":"3cbf63cebcdda924ceb8c01a5599e1cefeb97c442bc40a0d9c2f3ecdf64ea8bd"},"schema_version":"1.0"},"canonical_sha256":"5a475765b68862aeab2a4cf22587ece201e3bc238734f9b733aabb498b3ff335","source":{"kind":"arxiv","id":"cond-mat/9910050","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9910050","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9910050v1","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9910050","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"pith_short_12","alias_value":"LJDVOZNWRBRK","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"pith_short_16","alias_value":"LJDVOZNWRBRK5KZK","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"pith_short_8","alias_value":"LJDVOZNW","created_at":"2026-07-04T16:13:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:LJDVOZNWRBRK5KZKJTZCLB7M4I","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9910050","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-10-05T09:08:21Z","cross_cats_sorted":[],"title_canon_sha256":"a323be68b42ab8417c8897d157813bb941d5ea039bf2c056a7e43dad4e75a119","abstract_canon_sha256":"3cbf63cebcdda924ceb8c01a5599e1cefeb97c442bc40a0d9c2f3ecdf64ea8bd"},"schema_version":"1.0"},"canonical_sha256":"5a475765b68862aeab2a4cf22587ece201e3bc238734f9b733aabb498b3ff335","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:13:21.001155Z","signature_b64":"cw9cRtoNrYOkis5C/PgRTBVn4vhacdYM6+TA7XNMh+GxodDKxYrqEFgGxZAT9YnpyHGcsbWRZ7jhh6f8u5tgCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a475765b68862aeab2a4cf22587ece201e3bc238734f9b733aabb498b3ff335","last_reissued_at":"2026-07-04T16:13:21.000738Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:13:21.000738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9910050","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":"2026-07-04T16:13:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tqS8V5CkpKxLwv2/jTrkpN7iuZCLD2OqsxDp1QAjR/IeTeJIawSXaSehvxG3AdI7oQZsisVTGc57VHlsL/5MAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T12:44:25.546742Z"},"content_sha256":"4c7e9b216a5269738ac058f17f0d1132776bd3ed7bb2b88572f768c492157901","schema_version":"1.0","event_id":"sha256:4c7e9b216a5269738ac058f17f0d1132776bd3ed7bb2b88572f768c492157901"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:LJDVOZNWRBRK5KZKJTZCLB7M4I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Calorimetric Investigation of CeRu2Ge2 up to 8 GPa","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Junod, D. Jaccard, F. Bouquet, H. Wilhelm, Y. Wang","submitted_at":"1999-10-05T09:08:21Z","abstract_excerpt":"We have developed a calorimeter able to give a qualitative picture of the specific heat of a sample under high pressure up to approximately 10 GPa. The principle of ac-calorimetry was adapted to the conditions in a high pressure clamp. The performance of this technique was successfully tested with the measurement of the specific heat of CeRu2Ge2 in the temperature range 1.5 K<T<12 K. The phase diagram of its magnetic phases is consistent with previous transport measurements."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9910050","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/cond-mat/9910050/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":"2026-07-04T16:13:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cmzHzXxh+2EqndT1el1m+er/zFd9McbG0acnyTfR/VPGBl7lFPgxE0B5K/Xabdg5PR7lUhtY4NEueiyaJtgNAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T12:44:25.547320Z"},"content_sha256":"994dbc1e81df0e21ea7a3850f69490377c615063436c85e5894ede988e5833ce","schema_version":"1.0","event_id":"sha256:994dbc1e81df0e21ea7a3850f69490377c615063436c85e5894ede988e5833ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LJDVOZNWRBRK5KZKJTZCLB7M4I/bundle.json","state_url":"https://pith.science/pith/LJDVOZNWRBRK5KZKJTZCLB7M4I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LJDVOZNWRBRK5KZKJTZCLB7M4I/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":"2026-08-10T12:44:25Z","links":{"resolver":"https://pith.science/pith/LJDVOZNWRBRK5KZKJTZCLB7M4I","bundle":"https://pith.science/pith/LJDVOZNWRBRK5KZKJTZCLB7M4I/bundle.json","state":"https://pith.science/pith/LJDVOZNWRBRK5KZKJTZCLB7M4I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LJDVOZNWRBRK5KZKJTZCLB7M4I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:LJDVOZNWRBRK5KZKJTZCLB7M4I","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":"3cbf63cebcdda924ceb8c01a5599e1cefeb97c442bc40a0d9c2f3ecdf64ea8bd","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-10-05T09:08:21Z","title_canon_sha256":"a323be68b42ab8417c8897d157813bb941d5ea039bf2c056a7e43dad4e75a119"},"schema_version":"1.0","source":{"id":"cond-mat/9910050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9910050","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9910050v1","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9910050","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"pith_short_12","alias_value":"LJDVOZNWRBRK","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"pith_short_16","alias_value":"LJDVOZNWRBRK5KZK","created_at":"2026-07-04T16:13:21Z"},{"alias_kind":"pith_short_8","alias_value":"LJDVOZNW","created_at":"2026-07-04T16:13:21Z"}],"graph_snapshots":[{"event_id":"sha256:994dbc1e81df0e21ea7a3850f69490377c615063436c85e5894ede988e5833ce","target":"graph","created_at":"2026-07-04T16:13:21Z","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/cond-mat/9910050/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have developed a calorimeter able to give a qualitative picture of the specific heat of a sample under high pressure up to approximately 10 GPa. The principle of ac-calorimetry was adapted to the conditions in a high pressure clamp. The performance of this technique was successfully tested with the measurement of the specific heat of CeRu2Ge2 in the temperature range 1.5 K<T<12 K. The phase diagram of its magnetic phases is consistent with previous transport measurements.","authors_text":"A. Junod, D. Jaccard, F. Bouquet, H. Wilhelm, Y. Wang","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-10-05T09:08:21Z","title":"Calorimetric Investigation of CeRu2Ge2 up to 8 GPa"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9910050","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":"sha256:4c7e9b216a5269738ac058f17f0d1132776bd3ed7bb2b88572f768c492157901","target":"record","created_at":"2026-07-04T16:13:21Z","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":"3cbf63cebcdda924ceb8c01a5599e1cefeb97c442bc40a0d9c2f3ecdf64ea8bd","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-10-05T09:08:21Z","title_canon_sha256":"a323be68b42ab8417c8897d157813bb941d5ea039bf2c056a7e43dad4e75a119"},"schema_version":"1.0","source":{"id":"cond-mat/9910050","kind":"arxiv","version":1}},"canonical_sha256":"5a475765b68862aeab2a4cf22587ece201e3bc238734f9b733aabb498b3ff335","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a475765b68862aeab2a4cf22587ece201e3bc238734f9b733aabb498b3ff335","first_computed_at":"2026-07-04T16:13:21.000738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:13:21.000738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cw9cRtoNrYOkis5C/PgRTBVn4vhacdYM6+TA7XNMh+GxodDKxYrqEFgGxZAT9YnpyHGcsbWRZ7jhh6f8u5tgCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:13:21.001155Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9910050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c7e9b216a5269738ac058f17f0d1132776bd3ed7bb2b88572f768c492157901","sha256:994dbc1e81df0e21ea7a3850f69490377c615063436c85e5894ede988e5833ce"],"state_sha256":"d74b21b86907194040e4fd1fd939a0d610d7107c86e2fb7120bd74c772567a02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u+DKxCTkFH1Sesu24pwcZ4sN4asWdyJ+tGL6s/bni1HePh7dHWEV1VUkQMGjQTMx4RgqyWXg+Gw5LJN6ferDCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T12:44:25.553018Z","bundle_sha256":"f01319b2f253737f532a67eb425d391bde24b05be215c3d322e888e6e0ab1459"}}