{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:6Q2RFEHM3RFJVHVVDZDVPVUXII","short_pith_number":"pith:6Q2RFEHM","canonical_record":{"source":{"id":"2411.15665","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-23T22:56:31Z","cross_cats_sorted":[],"title_canon_sha256":"4fbd863849ad1bb1ed0aad0b99fcbb06869bbd61486ba532660160e912c160ee","abstract_canon_sha256":"ad2a8536c44d0dc279f2d50d2aa879663fae5a3edabe700896a9922f36b19948"},"schema_version":"1.0"},"canonical_sha256":"f4351290ecdc4a9a9eb51e4757d69742190fd5d9a946ed3ceb1ad4b2b5eb69df","source":{"kind":"arxiv","id":"2411.15665","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.15665","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"2411.15665v1","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.15665","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"6Q2RFEHM3RFJ","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"pith_short_16","alias_value":"6Q2RFEHM3RFJVHVV","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"pith_short_8","alias_value":"6Q2RFEHM","created_at":"2026-07-05T09:39:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:6Q2RFEHM3RFJVHVVDZDVPVUXII","target":"record","payload":{"canonical_record":{"source":{"id":"2411.15665","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-23T22:56:31Z","cross_cats_sorted":[],"title_canon_sha256":"4fbd863849ad1bb1ed0aad0b99fcbb06869bbd61486ba532660160e912c160ee","abstract_canon_sha256":"ad2a8536c44d0dc279f2d50d2aa879663fae5a3edabe700896a9922f36b19948"},"schema_version":"1.0"},"canonical_sha256":"f4351290ecdc4a9a9eb51e4757d69742190fd5d9a946ed3ceb1ad4b2b5eb69df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:39:38.872904Z","signature_b64":"ptqxcCPoPuvWuJzEAA6NdPYJr29d+CJEfc8dA+XctH5p/TT/mSld7KAhSQG3SF06x0bWcD6FAzCuB1cqETLuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4351290ecdc4a9a9eb51e4757d69742190fd5d9a946ed3ceb1ad4b2b5eb69df","last_reissued_at":"2026-07-05T09:39:38.872431Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:39:38.872431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.15665","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":"2026-07-05T09:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"84EYxXIcEyGZnVqLMmhQXbLfEV4p7DoNo9ZStjZQaadAkr5NWEBWEbbZDB6SuqT8t0P0dqvdeAhivdbbOLjNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:56:23.974948Z"},"content_sha256":"8eee3b06e7cca0642d76d9731571d2dfa56dfd0c5e2ea019c625119da31feabf","schema_version":"1.0","event_id":"sha256:8eee3b06e7cca0642d76d9731571d2dfa56dfd0c5e2ea019c625119da31feabf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:6Q2RFEHM3RFJVHVVDZDVPVUXII","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High temperature melting of dense molecular hydrogen from machine-learning interatomic potentials trained on quantum Monte Carlo","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Carlo Pierleoni, David M. Ceperley, Markus Holzmann, Scott Jensen, Shubhang Goswami, Yubo Yang","submitted_at":"2024-11-23T22:56:31Z","abstract_excerpt":"We present results and discuss methods for computing the melting temperature of dense molecular hydrogen using a machine learned model trained on quantum Monte Carlo data. In this newly trained model, we emphasize the importance of accurate total energies in the training. We integrate a two phase method for estimating the melting temperature with estimates from the Clausius-Clapeyron relation to provide a more accurate melting curve from the model. We make detailed predictions of the melting temperature, solid and liquid volumes, latent heat and internal energy from 50 GPa to 180 GPa for both "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.15665","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/2411.15665/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":"2026-07-05T09:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DdAkgxu/2DnturTBU3Q1psnYrORJp6f9TCwHh8yAI8+rTGhTO7FdFSD5HRClvVApVMQpb8CLI7ho9aJXwOwXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:56:23.975338Z"},"content_sha256":"790a8af2fe2db06c40b1eab0c45a5a3171c44bf69fd2cb7a971e60ff93f95e97","schema_version":"1.0","event_id":"sha256:790a8af2fe2db06c40b1eab0c45a5a3171c44bf69fd2cb7a971e60ff93f95e97"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6Q2RFEHM3RFJVHVVDZDVPVUXII/bundle.json","state_url":"https://pith.science/pith/6Q2RFEHM3RFJVHVVDZDVPVUXII/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6Q2RFEHM3RFJVHVVDZDVPVUXII/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":"2026-07-09T05:56:23Z","links":{"resolver":"https://pith.science/pith/6Q2RFEHM3RFJVHVVDZDVPVUXII","bundle":"https://pith.science/pith/6Q2RFEHM3RFJVHVVDZDVPVUXII/bundle.json","state":"https://pith.science/pith/6Q2RFEHM3RFJVHVVDZDVPVUXII/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6Q2RFEHM3RFJVHVVDZDVPVUXII/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:6Q2RFEHM3RFJVHVVDZDVPVUXII","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":"ad2a8536c44d0dc279f2d50d2aa879663fae5a3edabe700896a9922f36b19948","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-23T22:56:31Z","title_canon_sha256":"4fbd863849ad1bb1ed0aad0b99fcbb06869bbd61486ba532660160e912c160ee"},"schema_version":"1.0","source":{"id":"2411.15665","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.15665","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"2411.15665v1","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.15665","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"6Q2RFEHM3RFJ","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"pith_short_16","alias_value":"6Q2RFEHM3RFJVHVV","created_at":"2026-07-05T09:39:38Z"},{"alias_kind":"pith_short_8","alias_value":"6Q2RFEHM","created_at":"2026-07-05T09:39:38Z"}],"graph_snapshots":[{"event_id":"sha256:790a8af2fe2db06c40b1eab0c45a5a3171c44bf69fd2cb7a971e60ff93f95e97","target":"graph","created_at":"2026-07-05T09:39:38Z","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/2411.15665/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present results and discuss methods for computing the melting temperature of dense molecular hydrogen using a machine learned model trained on quantum Monte Carlo data. In this newly trained model, we emphasize the importance of accurate total energies in the training. We integrate a two phase method for estimating the melting temperature with estimates from the Clausius-Clapeyron relation to provide a more accurate melting curve from the model. We make detailed predictions of the melting temperature, solid and liquid volumes, latent heat and internal energy from 50 GPa to 180 GPa for both ","authors_text":"Carlo Pierleoni, David M. Ceperley, Markus Holzmann, Scott Jensen, Shubhang Goswami, Yubo Yang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-23T22:56:31Z","title":"High temperature melting of dense molecular hydrogen from machine-learning interatomic potentials trained on quantum Monte Carlo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.15665","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":"sha256:8eee3b06e7cca0642d76d9731571d2dfa56dfd0c5e2ea019c625119da31feabf","target":"record","created_at":"2026-07-05T09:39:38Z","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":"ad2a8536c44d0dc279f2d50d2aa879663fae5a3edabe700896a9922f36b19948","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-23T22:56:31Z","title_canon_sha256":"4fbd863849ad1bb1ed0aad0b99fcbb06869bbd61486ba532660160e912c160ee"},"schema_version":"1.0","source":{"id":"2411.15665","kind":"arxiv","version":1}},"canonical_sha256":"f4351290ecdc4a9a9eb51e4757d69742190fd5d9a946ed3ceb1ad4b2b5eb69df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4351290ecdc4a9a9eb51e4757d69742190fd5d9a946ed3ceb1ad4b2b5eb69df","first_computed_at":"2026-07-05T09:39:38.872431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:39:38.872431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ptqxcCPoPuvWuJzEAA6NdPYJr29d+CJEfc8dA+XctH5p/TT/mSld7KAhSQG3SF06x0bWcD6FAzCuB1cqETLuAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:39:38.872904Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.15665","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8eee3b06e7cca0642d76d9731571d2dfa56dfd0c5e2ea019c625119da31feabf","sha256:790a8af2fe2db06c40b1eab0c45a5a3171c44bf69fd2cb7a971e60ff93f95e97"],"state_sha256":"7f9a6330476a09b7415c2d2c51aa9028d0a06b4df73540c97e4c53baf9e0f659"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kej6ub/AO9gHBZJuq43FYuv8RXoblqMCkCr3RDA5JPBuXahUzvfYVbsZWgmZvaG44ETK7YbW/aGA73R4I0tjDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:56:23.977467Z","bundle_sha256":"f22d1e405fbcd5cb626e8d2fdee960e36b164fc0f260c4f24e3d2e0d27b414bc"}}