{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:3BB62QOVVN4NXMEK7ZSC66GTS5","short_pith_number":"pith:3BB62QOV","schema_version":"1.0","canonical_sha256":"d843ed41d5ab78dbb08afe642f78d3974a45d306a2d8d46dff95be89aedd9180","source":{"kind":"arxiv","id":"1106.4994","version":5},"attestation_state":"computed","paper":{"title":"Approaching a parameter-free metadynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Bradley M. Dickson","submitted_at":"2011-06-24T15:25:34Z","abstract_excerpt":"We present a unique derivation of metadynamics. The starting point for the derivation is an on-the-fly reweighting scheme but through an approximation we recover the standard metadynamics and the well-tempered metadynamics in a general form while never appealing to the extended Lagrangian framework. This work leads to a more robust understanding of the error in the computed free energy than what has been obtained previously. Moreover, a formula for the exact free energy is introduced. The formula can be used to post-process any existing well-tempered metadynamics data allowing one, in principl"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1106.4994","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-06-24T15:25:34Z","cross_cats_sorted":[],"title_canon_sha256":"9dd15cb609a9f90da6bd238be91656019104b86997bf2c75b99cd79eabb1be31","abstract_canon_sha256":"2617ce3a71184aec76add32377142e411e65b9f6a6a5fa96cd7c84c137528544"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:08:44.581678Z","signature_b64":"Ut9aSl7ouZp/5HoiqMYlKZZlNUo6kn4YtNMqeaDskKjVC6zuM5RRhmwHt+VRgsmz3sAR4kfERiOOs6ydB7G9DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d843ed41d5ab78dbb08afe642f78d3974a45d306a2d8d46dff95be89aedd9180","last_reissued_at":"2026-05-18T04:08:44.581128Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:08:44.581128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Approaching a parameter-free metadynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Bradley M. Dickson","submitted_at":"2011-06-24T15:25:34Z","abstract_excerpt":"We present a unique derivation of metadynamics. The starting point for the derivation is an on-the-fly reweighting scheme but through an approximation we recover the standard metadynamics and the well-tempered metadynamics in a general form while never appealing to the extended Lagrangian framework. This work leads to a more robust understanding of the error in the computed free energy than what has been obtained previously. Moreover, a formula for the exact free energy is introduced. The formula can be used to post-process any existing well-tempered metadynamics data allowing one, in principl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.4994","kind":"arxiv","version":5},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1106.4994","created_at":"2026-05-18T04:08:44.581208+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.4994v5","created_at":"2026-05-18T04:08:44.581208+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.4994","created_at":"2026-05-18T04:08:44.581208+00:00"},{"alias_kind":"pith_short_12","alias_value":"3BB62QOVVN4N","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"3BB62QOVVN4NXMEK","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"3BB62QOV","created_at":"2026-05-18T12:26:18.847500+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5","json":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5.json","graph_json":"https://pith.science/api/pith-number/3BB62QOVVN4NXMEK7ZSC66GTS5/graph.json","events_json":"https://pith.science/api/pith-number/3BB62QOVVN4NXMEK7ZSC66GTS5/events.json","paper":"https://pith.science/paper/3BB62QOV"},"agent_actions":{"view_html":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5","download_json":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5.json","view_paper":"https://pith.science/paper/3BB62QOV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.4994&json=true","fetch_graph":"https://pith.science/api/pith-number/3BB62QOVVN4NXMEK7ZSC66GTS5/graph.json","fetch_events":"https://pith.science/api/pith-number/3BB62QOVVN4NXMEK7ZSC66GTS5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5/action/storage_attestation","attest_author":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5/action/author_attestation","sign_citation":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5/action/citation_signature","submit_replication":"https://pith.science/pith/3BB62QOVVN4NXMEK7ZSC66GTS5/action/replication_record"}},"created_at":"2026-05-18T04:08:44.581208+00:00","updated_at":"2026-05-18T04:08:44.581208+00:00"}