{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JDDXJJWQKM2KGFT6UXWOXSJVKP","short_pith_number":"pith:JDDXJJWQ","canonical_record":{"source":{"id":"1603.05848","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-03-18T11:41:02Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"e5eaa0fdce9a710ceeef39f5c086832569a109685cc804ff5ee5dad7c2f3a1ac","abstract_canon_sha256":"7cfb275053e4de67aec77ec0e1f8a61618a4c6afcb31d063cc6624bcf7009b6c"},"schema_version":"1.0"},"canonical_sha256":"48c774a6d05334a3167ea5ecebc93553d27aea5871015a9a679beb1ae22fb59b","source":{"kind":"arxiv","id":"1603.05848","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.05848","created_at":"2026-05-18T01:11:17Z"},{"alias_kind":"arxiv_version","alias_value":"1603.05848v2","created_at":"2026-05-18T01:11:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.05848","created_at":"2026-05-18T01:11:17Z"},{"alias_kind":"pith_short_12","alias_value":"JDDXJJWQKM2K","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JDDXJJWQKM2KGFT6","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JDDXJJWQ","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JDDXJJWQKM2KGFT6UXWOXSJVKP","target":"record","payload":{"canonical_record":{"source":{"id":"1603.05848","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-03-18T11:41:02Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"e5eaa0fdce9a710ceeef39f5c086832569a109685cc804ff5ee5dad7c2f3a1ac","abstract_canon_sha256":"7cfb275053e4de67aec77ec0e1f8a61618a4c6afcb31d063cc6624bcf7009b6c"},"schema_version":"1.0"},"canonical_sha256":"48c774a6d05334a3167ea5ecebc93553d27aea5871015a9a679beb1ae22fb59b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:17.485833Z","signature_b64":"UG4lb2rz9hewpd2E2uxkc0Ge+oYSJVeKTIY7GEw38jh8xXQJBdt/qEN4Vc8IC1nodNZtX1qRNOmxWLTHDCjwAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48c774a6d05334a3167ea5ecebc93553d27aea5871015a9a679beb1ae22fb59b","last_reissued_at":"2026-05-18T01:11:17.485383Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:17.485383Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.05848","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a5COR1gJev5I+7EkGXDEbpEcysowKYb9znlSH1H/a2xUrvPq06doECbv5XtuhQPUjnRIJ+VIvi4MFt6TYDsXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:49:40.695059Z"},"content_sha256":"6326f33a879ee0effe6f9d26f8b98bf2f47fc3f71f3e6a896d03662aaf338ad6","schema_version":"1.0","event_id":"sha256:6326f33a879ee0effe6f9d26f8b98bf2f47fc3f71f3e6a896d03662aaf338ad6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JDDXJJWQKM2KGFT6UXWOXSJVKP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Free energy of formation of clusters of sulphuric acid and water molecules determined by guided disassembly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Gabriel V. Lau, Ian J. Ford, Jamie Y. Parkinson","submitted_at":"2016-03-18T11:41:02Z","abstract_excerpt":"We evaluate the grand potential of a cluster of two molecular species, equivalent to its free energy of formation from a binary vapour phase, using a nonequilibrium molecular dynamics technique where guide particles, each tethered to a molecule by a harmonic force, move apart to disassemble a cluster into its components. The mechanical work performed in an ensemble of trajectories is analysed using the Jarzynski equality to obtain a free energy of disassembly, a contribution to the cluster grand potential. We study clusters of sulphuric acid and water at 300 K, using a classical interaction sc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.05848","kind":"arxiv","version":2},"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":"2026-05-18T01:11:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QfArt9188JCBopnPBRND83wrrbrfWkTvnf0zeEu+03Bp8A9mO8q70aihWDdhWaiCIU7LG0nDtavg7HFJFF9iDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:49:40.695426Z"},"content_sha256":"0a4caf4ed305b9db49f561993335e15f24923fb76b4119ed9777a6a7c9e2f203","schema_version":"1.0","event_id":"sha256:0a4caf4ed305b9db49f561993335e15f24923fb76b4119ed9777a6a7c9e2f203"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JDDXJJWQKM2KGFT6UXWOXSJVKP/bundle.json","state_url":"https://pith.science/pith/JDDXJJWQKM2KGFT6UXWOXSJVKP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JDDXJJWQKM2KGFT6UXWOXSJVKP/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":"2026-06-08T23:49:40Z","links":{"resolver":"https://pith.science/pith/JDDXJJWQKM2KGFT6UXWOXSJVKP","bundle":"https://pith.science/pith/JDDXJJWQKM2KGFT6UXWOXSJVKP/bundle.json","state":"https://pith.science/pith/JDDXJJWQKM2KGFT6UXWOXSJVKP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JDDXJJWQKM2KGFT6UXWOXSJVKP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JDDXJJWQKM2KGFT6UXWOXSJVKP","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":"7cfb275053e4de67aec77ec0e1f8a61618a4c6afcb31d063cc6624bcf7009b6c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-03-18T11:41:02Z","title_canon_sha256":"e5eaa0fdce9a710ceeef39f5c086832569a109685cc804ff5ee5dad7c2f3a1ac"},"schema_version":"1.0","source":{"id":"1603.05848","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.05848","created_at":"2026-05-18T01:11:17Z"},{"alias_kind":"arxiv_version","alias_value":"1603.05848v2","created_at":"2026-05-18T01:11:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.05848","created_at":"2026-05-18T01:11:17Z"},{"alias_kind":"pith_short_12","alias_value":"JDDXJJWQKM2K","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JDDXJJWQKM2KGFT6","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JDDXJJWQ","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:0a4caf4ed305b9db49f561993335e15f24923fb76b4119ed9777a6a7c9e2f203","target":"graph","created_at":"2026-05-18T01:11:17Z","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 evaluate the grand potential of a cluster of two molecular species, equivalent to its free energy of formation from a binary vapour phase, using a nonequilibrium molecular dynamics technique where guide particles, each tethered to a molecule by a harmonic force, move apart to disassemble a cluster into its components. The mechanical work performed in an ensemble of trajectories is analysed using the Jarzynski equality to obtain a free energy of disassembly, a contribution to the cluster grand potential. We study clusters of sulphuric acid and water at 300 K, using a classical interaction sc","authors_text":"Gabriel V. Lau, Ian J. Ford, Jamie Y. Parkinson","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-03-18T11:41:02Z","title":"Free energy of formation of clusters of sulphuric acid and water molecules determined by guided disassembly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.05848","kind":"arxiv","version":2},"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":"sha256:6326f33a879ee0effe6f9d26f8b98bf2f47fc3f71f3e6a896d03662aaf338ad6","target":"record","created_at":"2026-05-18T01:11:17Z","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":"7cfb275053e4de67aec77ec0e1f8a61618a4c6afcb31d063cc6624bcf7009b6c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-03-18T11:41:02Z","title_canon_sha256":"e5eaa0fdce9a710ceeef39f5c086832569a109685cc804ff5ee5dad7c2f3a1ac"},"schema_version":"1.0","source":{"id":"1603.05848","kind":"arxiv","version":2}},"canonical_sha256":"48c774a6d05334a3167ea5ecebc93553d27aea5871015a9a679beb1ae22fb59b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48c774a6d05334a3167ea5ecebc93553d27aea5871015a9a679beb1ae22fb59b","first_computed_at":"2026-05-18T01:11:17.485383Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:17.485383Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UG4lb2rz9hewpd2E2uxkc0Ge+oYSJVeKTIY7GEw38jh8xXQJBdt/qEN4Vc8IC1nodNZtX1qRNOmxWLTHDCjwAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:17.485833Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.05848","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6326f33a879ee0effe6f9d26f8b98bf2f47fc3f71f3e6a896d03662aaf338ad6","sha256:0a4caf4ed305b9db49f561993335e15f24923fb76b4119ed9777a6a7c9e2f203"],"state_sha256":"741ec02468c9f9d1f05bec08a3b7f5b22abba3dc8f1094e32730acd43e7f6858"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ypoP5NJVHibFOpiaZaYmd1sCFCAb34jjGKId6PNincFXVY0D+ynX/bCcS/BHyEgZw563/PeOiySL5otBK2fAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:49:40.697325Z","bundle_sha256":"96e2e2b35acd74696b8fd4d2e3fadba70819d57cd60898aa9e46601aad5ce7c5"}}