{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:H325GUQV3JJHBXEUU5SH4KYA5A","short_pith_number":"pith:H325GUQV","canonical_record":{"source":{"id":"2009.12429","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2020-09-25T20:40:35Z","cross_cats_sorted":[],"title_canon_sha256":"5eba982d7f059937b5f08cd78607fa3374d98aef18830643671d7c30e3b742d6","abstract_canon_sha256":"f9775e26b5bb13c222c4f0064739db02ad6088129104373f022548c5f3351b22"},"schema_version":"1.0"},"canonical_sha256":"3ef5d35215da5270dc94a7647e2b00e8370a22810f1a7811564e67ec635a15ba","source":{"kind":"arxiv","id":"2009.12429","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.12429","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"arxiv_version","alias_value":"2009.12429v1","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.12429","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"pith_short_12","alias_value":"H325GUQV3JJH","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"pith_short_16","alias_value":"H325GUQV3JJHBXEU","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"pith_short_8","alias_value":"H325GUQV","created_at":"2026-07-05T01:38:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:H325GUQV3JJHBXEUU5SH4KYA5A","target":"record","payload":{"canonical_record":{"source":{"id":"2009.12429","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2020-09-25T20:40:35Z","cross_cats_sorted":[],"title_canon_sha256":"5eba982d7f059937b5f08cd78607fa3374d98aef18830643671d7c30e3b742d6","abstract_canon_sha256":"f9775e26b5bb13c222c4f0064739db02ad6088129104373f022548c5f3351b22"},"schema_version":"1.0"},"canonical_sha256":"3ef5d35215da5270dc94a7647e2b00e8370a22810f1a7811564e67ec635a15ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:38:04.805556Z","signature_b64":"eGHqxscI74v9vFIYrri/lifu8lCPulFUCuCiioLu5YL6DbnAIqgwBoqJjT+wBee2ARgn2bzZiDe3G2fCLg5pAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ef5d35215da5270dc94a7647e2b00e8370a22810f1a7811564e67ec635a15ba","last_reissued_at":"2026-07-05T01:38:04.805131Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:38:04.805131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.12429","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":"2026-07-05T01:38:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P459dERP4Lid1west0U3U9W+eiauqd09kqJkiQ0xZ3qrwteYe5P+D3GYDXq8Albju1cQrTnh1HJFHVjqAVUvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T06:44:59.383655Z"},"content_sha256":"a6d70aad8ddc70d5eee874a74a2038c26569ca946861b12b6f2dc7f445957751","schema_version":"1.0","event_id":"sha256:a6d70aad8ddc70d5eee874a74a2038c26569ca946861b12b6f2dc7f445957751"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:H325GUQV3JJHBXEUU5SH4KYA5A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isotope effects in x-ray absorption spectra of liquid water","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.dis-nn","authors_text":"Biswajit Santra, Chunyi Zhang, Fujie Tang, Jianhang Xu, Linfeng Zhang, Xifan Wu","submitted_at":"2020-09-25T20:40:35Z","abstract_excerpt":"The isotope effects in x-ray absorption spectra of liquid water are studied by a many-body approach within electron-hole excitation theory. The molecular structures of both light and heavy water are modeled by path-integral molecular dynamics based on the advanced deep-learning technique. The neural network is trained on ab initio data obtained with SCAN density functional theory. The experimentally observed isotope effect in x-ray absorption spectra is reproduced semiquantitatively in theory. Compared to the spectrum in normal water, the blueshifted and less pronounced pre- and main-edge in h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.12429","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/2009.12429/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":"2026-07-05T01:38:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/PGLnOZvoz1Ygem6vqYQ7WIztcR19Ta7XpV7syEQDGKgwYRJ+OKaUqMy2G1rlzh9IB/c4tijPmqJ/kFFBBfYAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T06:44:59.384258Z"},"content_sha256":"d0f5dfeff5d77fd0dde56f138fa98de26f91c8025b8f40f048782836cedce114","schema_version":"1.0","event_id":"sha256:d0f5dfeff5d77fd0dde56f138fa98de26f91c8025b8f40f048782836cedce114"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H325GUQV3JJHBXEUU5SH4KYA5A/bundle.json","state_url":"https://pith.science/pith/H325GUQV3JJHBXEUU5SH4KYA5A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H325GUQV3JJHBXEUU5SH4KYA5A/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":"2026-08-22T06:44:59Z","links":{"resolver":"https://pith.science/pith/H325GUQV3JJHBXEUU5SH4KYA5A","bundle":"https://pith.science/pith/H325GUQV3JJHBXEUU5SH4KYA5A/bundle.json","state":"https://pith.science/pith/H325GUQV3JJHBXEUU5SH4KYA5A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H325GUQV3JJHBXEUU5SH4KYA5A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:H325GUQV3JJHBXEUU5SH4KYA5A","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":"f9775e26b5bb13c222c4f0064739db02ad6088129104373f022548c5f3351b22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2020-09-25T20:40:35Z","title_canon_sha256":"5eba982d7f059937b5f08cd78607fa3374d98aef18830643671d7c30e3b742d6"},"schema_version":"1.0","source":{"id":"2009.12429","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.12429","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"arxiv_version","alias_value":"2009.12429v1","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.12429","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"pith_short_12","alias_value":"H325GUQV3JJH","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"pith_short_16","alias_value":"H325GUQV3JJHBXEU","created_at":"2026-07-05T01:38:04Z"},{"alias_kind":"pith_short_8","alias_value":"H325GUQV","created_at":"2026-07-05T01:38:04Z"}],"graph_snapshots":[{"event_id":"sha256:d0f5dfeff5d77fd0dde56f138fa98de26f91c8025b8f40f048782836cedce114","target":"graph","created_at":"2026-07-05T01:38:04Z","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/2009.12429/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The isotope effects in x-ray absorption spectra of liquid water are studied by a many-body approach within electron-hole excitation theory. The molecular structures of both light and heavy water are modeled by path-integral molecular dynamics based on the advanced deep-learning technique. The neural network is trained on ab initio data obtained with SCAN density functional theory. The experimentally observed isotope effect in x-ray absorption spectra is reproduced semiquantitatively in theory. Compared to the spectrum in normal water, the blueshifted and less pronounced pre- and main-edge in h","authors_text":"Biswajit Santra, Chunyi Zhang, Fujie Tang, Jianhang Xu, Linfeng Zhang, Xifan Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2020-09-25T20:40:35Z","title":"Isotope effects in x-ray absorption spectra of liquid water"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.12429","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:a6d70aad8ddc70d5eee874a74a2038c26569ca946861b12b6f2dc7f445957751","target":"record","created_at":"2026-07-05T01:38:04Z","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":"f9775e26b5bb13c222c4f0064739db02ad6088129104373f022548c5f3351b22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2020-09-25T20:40:35Z","title_canon_sha256":"5eba982d7f059937b5f08cd78607fa3374d98aef18830643671d7c30e3b742d6"},"schema_version":"1.0","source":{"id":"2009.12429","kind":"arxiv","version":1}},"canonical_sha256":"3ef5d35215da5270dc94a7647e2b00e8370a22810f1a7811564e67ec635a15ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ef5d35215da5270dc94a7647e2b00e8370a22810f1a7811564e67ec635a15ba","first_computed_at":"2026-07-05T01:38:04.805131Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:38:04.805131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eGHqxscI74v9vFIYrri/lifu8lCPulFUCuCiioLu5YL6DbnAIqgwBoqJjT+wBee2ARgn2bzZiDe3G2fCLg5pAg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:38:04.805556Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.12429","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6d70aad8ddc70d5eee874a74a2038c26569ca946861b12b6f2dc7f445957751","sha256:d0f5dfeff5d77fd0dde56f138fa98de26f91c8025b8f40f048782836cedce114"],"state_sha256":"12629dc4e98f39a21db05ca216d0b5514fc7b8513293a52bca85bab5cf291982"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kEfNuUovrDLltyWA791PCzI+MyOub1Hajv7d01hmxdDHI4KCJBFlh4nl+ppx/aFVG37RuQsQ9og9nCc/WEF8CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T06:44:59.389250Z","bundle_sha256":"37033d0b84978ae3b43f6ed4bace30e1195e64ce89fd6746a228e5b06f3163d5"}}