{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UAQDTROOAWYOOKXAQLVHGC6E26","short_pith_number":"pith:UAQDTROO","canonical_record":{"source":{"id":"1603.01658","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-03-04T23:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"f34f8ac74c02385662373cc1d95202b2a8009b74ae1bd0a69e68340c3a9e6e77","abstract_canon_sha256":"c6e1262e0a1c68dd3e935d23d7a8e23f25ca0c9ae4ff3f6e2919c8539585e0a0"},"schema_version":"1.0"},"canonical_sha256":"a02039c5ce05b0e72ae082ea730bc4d7b34e52e4fba7e52ee6a4f39ee7a8114d","source":{"kind":"arxiv","id":"1603.01658","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.01658","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"arxiv_version","alias_value":"1603.01658v1","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01658","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"pith_short_12","alias_value":"UAQDTROOAWYO","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UAQDTROOAWYOOKXA","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UAQDTROO","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UAQDTROOAWYOOKXAQLVHGC6E26","target":"record","payload":{"canonical_record":{"source":{"id":"1603.01658","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-03-04T23:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"f34f8ac74c02385662373cc1d95202b2a8009b74ae1bd0a69e68340c3a9e6e77","abstract_canon_sha256":"c6e1262e0a1c68dd3e935d23d7a8e23f25ca0c9ae4ff3f6e2919c8539585e0a0"},"schema_version":"1.0"},"canonical_sha256":"a02039c5ce05b0e72ae082ea730bc4d7b34e52e4fba7e52ee6a4f39ee7a8114d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:04.408987Z","signature_b64":"uyBlppiSVS65fqrDs4dc4KK7jbRTQYfOi7n6ZtC1mqQb3mD3bNTEv/l3EgdhyC5UPSxiYfVjbWhyq4hsg7jGAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a02039c5ce05b0e72ae082ea730bc4d7b34e52e4fba7e52ee6a4f39ee7a8114d","last_reissued_at":"2026-05-18T01:12:04.408518Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:04.408518Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.01658","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":"2026-05-18T01:12:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q6CP20S14az/4kLGSb+VPTH5MyDJH44N/tRqDyAfj8Jm3nE76Ic3Q37bPm7rz/fR/vDoyatKYJQTrs7tC5BwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:35:46.757008Z"},"content_sha256":"652d6fccc7c71e5fbf31839b16f118edf6d00feddd699f120898e41b0ea92f3b","schema_version":"1.0","event_id":"sha256:652d6fccc7c71e5fbf31839b16f118edf6d00feddd699f120898e41b0ea92f3b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UAQDTROOAWYOOKXAQLVHGC6E26","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surface Tension of Ab Initio Liquid Water at the Water-Air Interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Mischa Bonn, Tatsuhiko Ohto, Thomas D K\\\"uhne, Yuki Nagata","submitted_at":"2016-03-04T23:57:39Z","abstract_excerpt":"We report calculations of the surface tension of the water-air interface using ab initio molecular dynamics (AIMD) simulations. We investigate the simulation cell size dependence of the surface tension of water from force field molecular dynamics (MD) simulations, which show that the calculated surface tension increases with increasing simulation cell size, thereby illustrating that a correction for finite size effects is required for the small system used in the AIMD simulation. The AIMD simulations reveal that the double-{\\xi} basis set overestimates the experimentally measured surface tensi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01658","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":"2026-05-18T01:12:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cNXKTpIrkirdLTWc9VNrYpbNrWtfRG2ug7ZJXLWPXzDOvmyuLBYcwoTmtd+hupbzJ1sNYqUXDXfZs3tEexA1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:35:46.757360Z"},"content_sha256":"ae3cffb4dfc8645dddfb60be7e272ee59617fad5d5778cb58f4b1e5e2060ccb8","schema_version":"1.0","event_id":"sha256:ae3cffb4dfc8645dddfb60be7e272ee59617fad5d5778cb58f4b1e5e2060ccb8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UAQDTROOAWYOOKXAQLVHGC6E26/bundle.json","state_url":"https://pith.science/pith/UAQDTROOAWYOOKXAQLVHGC6E26/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UAQDTROOAWYOOKXAQLVHGC6E26/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":"2026-06-20T05:35:46Z","links":{"resolver":"https://pith.science/pith/UAQDTROOAWYOOKXAQLVHGC6E26","bundle":"https://pith.science/pith/UAQDTROOAWYOOKXAQLVHGC6E26/bundle.json","state":"https://pith.science/pith/UAQDTROOAWYOOKXAQLVHGC6E26/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UAQDTROOAWYOOKXAQLVHGC6E26/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UAQDTROOAWYOOKXAQLVHGC6E26","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":"c6e1262e0a1c68dd3e935d23d7a8e23f25ca0c9ae4ff3f6e2919c8539585e0a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-03-04T23:57:39Z","title_canon_sha256":"f34f8ac74c02385662373cc1d95202b2a8009b74ae1bd0a69e68340c3a9e6e77"},"schema_version":"1.0","source":{"id":"1603.01658","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.01658","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"arxiv_version","alias_value":"1603.01658v1","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01658","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"pith_short_12","alias_value":"UAQDTROOAWYO","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UAQDTROOAWYOOKXA","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UAQDTROO","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:ae3cffb4dfc8645dddfb60be7e272ee59617fad5d5778cb58f4b1e5e2060ccb8","target":"graph","created_at":"2026-05-18T01:12:04Z","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"},"paper":{"abstract_excerpt":"We report calculations of the surface tension of the water-air interface using ab initio molecular dynamics (AIMD) simulations. We investigate the simulation cell size dependence of the surface tension of water from force field molecular dynamics (MD) simulations, which show that the calculated surface tension increases with increasing simulation cell size, thereby illustrating that a correction for finite size effects is required for the small system used in the AIMD simulation. The AIMD simulations reveal that the double-{\\xi} basis set overestimates the experimentally measured surface tensi","authors_text":"Mischa Bonn, Tatsuhiko Ohto, Thomas D K\\\"uhne, Yuki Nagata","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-03-04T23:57:39Z","title":"Surface Tension of Ab Initio Liquid Water at the Water-Air Interface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01658","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":"sha256:652d6fccc7c71e5fbf31839b16f118edf6d00feddd699f120898e41b0ea92f3b","target":"record","created_at":"2026-05-18T01:12:04Z","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":"c6e1262e0a1c68dd3e935d23d7a8e23f25ca0c9ae4ff3f6e2919c8539585e0a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-03-04T23:57:39Z","title_canon_sha256":"f34f8ac74c02385662373cc1d95202b2a8009b74ae1bd0a69e68340c3a9e6e77"},"schema_version":"1.0","source":{"id":"1603.01658","kind":"arxiv","version":1}},"canonical_sha256":"a02039c5ce05b0e72ae082ea730bc4d7b34e52e4fba7e52ee6a4f39ee7a8114d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a02039c5ce05b0e72ae082ea730bc4d7b34e52e4fba7e52ee6a4f39ee7a8114d","first_computed_at":"2026-05-18T01:12:04.408518Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:04.408518Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uyBlppiSVS65fqrDs4dc4KK7jbRTQYfOi7n6ZtC1mqQb3mD3bNTEv/l3EgdhyC5UPSxiYfVjbWhyq4hsg7jGAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:04.408987Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.01658","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:652d6fccc7c71e5fbf31839b16f118edf6d00feddd699f120898e41b0ea92f3b","sha256:ae3cffb4dfc8645dddfb60be7e272ee59617fad5d5778cb58f4b1e5e2060ccb8"],"state_sha256":"215883980ac9300e49bec7a6c590b3e5c6a56f712e3e8997de876eaad83e3b45"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HR56hzj+jkU5tFsHFgyqIJenkZzIxPSVCy+KY6fD8dktKCJib13nnPKAitNdRQMxbBYhW/xP4ASaTsiG4PLsAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T05:35:46.759280Z","bundle_sha256":"4805c2dc585d39bb0c9c4abf1c339e09686fda7e2b4b0152d1cfeec0d530cf66"}}