{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:53PVNCOSHX43JMSZ3HHOA32IV2","short_pith_number":"pith:53PVNCOS","canonical_record":{"source":{"id":"2308.12186","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2023-08-23T15:19:50Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"7166bfe091612ec6226c469f34befd35230d78fc612cf05469aef77c9c1a1ce0","abstract_canon_sha256":"c16c55383c93818445d009b60a800954c820a405bbb9a73d73863ec3c821680e"},"schema_version":"1.0"},"canonical_sha256":"eedf5689d23df9b4b259d9cee06f48aeada63d67c9aa9273921d04e979d8772d","source":{"kind":"arxiv","id":"2308.12186","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12186","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12186v1","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12186","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"53PVNCOSHX43","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"pith_short_16","alias_value":"53PVNCOSHX43JMSZ","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"pith_short_8","alias_value":"53PVNCOS","created_at":"2026-07-05T06:44:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:53PVNCOSHX43JMSZ3HHOA32IV2","target":"record","payload":{"canonical_record":{"source":{"id":"2308.12186","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2023-08-23T15:19:50Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"7166bfe091612ec6226c469f34befd35230d78fc612cf05469aef77c9c1a1ce0","abstract_canon_sha256":"c16c55383c93818445d009b60a800954c820a405bbb9a73d73863ec3c821680e"},"schema_version":"1.0"},"canonical_sha256":"eedf5689d23df9b4b259d9cee06f48aeada63d67c9aa9273921d04e979d8772d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:44:01.051499Z","signature_b64":"tEj62rgtFchUcqpQRAm0azNWGev9rlI1HKP6EZoUrDKF82ZNEN7qkIGhFuB2vmQDvAc3EGmWBlGF8VT2M8uAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eedf5689d23df9b4b259d9cee06f48aeada63d67c9aa9273921d04e979d8772d","last_reissued_at":"2026-07-05T06:44:01.051062Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:44:01.051062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.12186","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":"2026-07-05T06:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vi5q5TkwKMjq9MA/b963iIzYZUgYDe7oVvsl9yO1543tnceL3eRNjcpkLB2hC4YRAOvI8cLL7OdkA83Y6T32Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T12:22:42.846098Z"},"content_sha256":"62a1b0ecf86a323be3b87be228f9d0261eedb38003754ab5286932104bcfc2b1","schema_version":"1.0","event_id":"sha256:62a1b0ecf86a323be3b87be228f9d0261eedb38003754ab5286932104bcfc2b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:53PVNCOSHX43JMSZ3HHOA32IV2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling Heat Capacity of Supercritical Fluids: A Phonon Theory Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.other","authors_text":"Chao Liu, Yu Liu","submitted_at":"2023-08-23T15:19:50Z","abstract_excerpt":"Recent research shows that liquids and dense supercritical fluids support high frequency shear waves. Here, we proposed a general heat capacity model of supercritical fluids using the latest theoretical findings (the liquid phonon theory). In this theory, heat capacity cv of supercritical fluids is only related to the infinite-frequency shear modulus, Debye relaxation time and minimal length of the longitudinal mode in supercritical fluids rather than the system-specific structure and interactions. The present model quantitatively explains the heat capacities in the liquid-like region and the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12186","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/2308.12186/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":"2026-07-05T06:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cYHmFo3lN0CfR9zU7DhTZLPyHmR13QcgT/mEK+DLvi2HmJltV7JBHqUKexhb3/Wsv49n+evqUkkQ74YPcjlsBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T12:22:42.846494Z"},"content_sha256":"f8d2389e2149eaf119d9d182ecb555aaea5d6ee5740580e1f7966c0d2db7069c","schema_version":"1.0","event_id":"sha256:f8d2389e2149eaf119d9d182ecb555aaea5d6ee5740580e1f7966c0d2db7069c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/53PVNCOSHX43JMSZ3HHOA32IV2/bundle.json","state_url":"https://pith.science/pith/53PVNCOSHX43JMSZ3HHOA32IV2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/53PVNCOSHX43JMSZ3HHOA32IV2/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":"2026-07-27T12:22:42Z","links":{"resolver":"https://pith.science/pith/53PVNCOSHX43JMSZ3HHOA32IV2","bundle":"https://pith.science/pith/53PVNCOSHX43JMSZ3HHOA32IV2/bundle.json","state":"https://pith.science/pith/53PVNCOSHX43JMSZ3HHOA32IV2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/53PVNCOSHX43JMSZ3HHOA32IV2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:53PVNCOSHX43JMSZ3HHOA32IV2","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":"c16c55383c93818445d009b60a800954c820a405bbb9a73d73863ec3c821680e","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2023-08-23T15:19:50Z","title_canon_sha256":"7166bfe091612ec6226c469f34befd35230d78fc612cf05469aef77c9c1a1ce0"},"schema_version":"1.0","source":{"id":"2308.12186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12186","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12186v1","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12186","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"53PVNCOSHX43","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"pith_short_16","alias_value":"53PVNCOSHX43JMSZ","created_at":"2026-07-05T06:44:01Z"},{"alias_kind":"pith_short_8","alias_value":"53PVNCOS","created_at":"2026-07-05T06:44:01Z"}],"graph_snapshots":[{"event_id":"sha256:f8d2389e2149eaf119d9d182ecb555aaea5d6ee5740580e1f7966c0d2db7069c","target":"graph","created_at":"2026-07-05T06:44:01Z","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/2308.12186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent research shows that liquids and dense supercritical fluids support high frequency shear waves. Here, we proposed a general heat capacity model of supercritical fluids using the latest theoretical findings (the liquid phonon theory). In this theory, heat capacity cv of supercritical fluids is only related to the infinite-frequency shear modulus, Debye relaxation time and minimal length of the longitudinal mode in supercritical fluids rather than the system-specific structure and interactions. The present model quantitatively explains the heat capacities in the liquid-like region and the ","authors_text":"Chao Liu, Yu Liu","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2023-08-23T15:19:50Z","title":"Modeling Heat Capacity of Supercritical Fluids: A Phonon Theory Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12186","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":"sha256:62a1b0ecf86a323be3b87be228f9d0261eedb38003754ab5286932104bcfc2b1","target":"record","created_at":"2026-07-05T06:44:01Z","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":"c16c55383c93818445d009b60a800954c820a405bbb9a73d73863ec3c821680e","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2023-08-23T15:19:50Z","title_canon_sha256":"7166bfe091612ec6226c469f34befd35230d78fc612cf05469aef77c9c1a1ce0"},"schema_version":"1.0","source":{"id":"2308.12186","kind":"arxiv","version":1}},"canonical_sha256":"eedf5689d23df9b4b259d9cee06f48aeada63d67c9aa9273921d04e979d8772d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eedf5689d23df9b4b259d9cee06f48aeada63d67c9aa9273921d04e979d8772d","first_computed_at":"2026-07-05T06:44:01.051062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:44:01.051062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tEj62rgtFchUcqpQRAm0azNWGev9rlI1HKP6EZoUrDKF82ZNEN7qkIGhFuB2vmQDvAc3EGmWBlGF8VT2M8uAAw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:44:01.051499Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.12186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62a1b0ecf86a323be3b87be228f9d0261eedb38003754ab5286932104bcfc2b1","sha256:f8d2389e2149eaf119d9d182ecb555aaea5d6ee5740580e1f7966c0d2db7069c"],"state_sha256":"241ee9955e6cd3254a941ce72613558453658933b69d43ac083fa00403473cf3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f9DP+gqcV0mDzjdrwPtS/5rM6yn+ie/bQ77RahKjPPyETmm2cAkG9khTIIkQHzh39MRDGQPoh2bF7+BqHwqAAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-27T12:22:42.848563Z","bundle_sha256":"346f322e8059705174c05cbc420459ed45b168eed4ea16cab9734e5c065c23b0"}}