{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:3Z63WNA3CPZPOW4WDXFP363R6C","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":"db75ed5b183f0b2b63c9b60825cbf0698833b55a26f1691a54af9b8824e50bcf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-12-22T11:43:42Z","title_canon_sha256":"4051e86850e9b942bb2e7ef65c4924a647271f3d47cdbc009e58404c01d7811a"},"schema_version":"1.0","source":{"id":"1012.4946","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4946","created_at":"2026-05-18T02:04:18Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4946v1","created_at":"2026-05-18T02:04:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4946","created_at":"2026-05-18T02:04:18Z"},{"alias_kind":"pith_short_12","alias_value":"3Z63WNA3CPZP","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3Z63WNA3CPZPOW4W","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3Z63WNA3","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:d660c345552017a880ec4ffbd9893c325c9a3385a7d398d8476f385cf1308f81","target":"graph","created_at":"2026-05-18T02:04:18Z","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":"A huge amount of entropy is produced at places where fresh water and seawater mix, for example at river mouths. This mixing process is a potentially enormous source of sustainable energy, provided it is harnessed properly, for instance by a cyclic charging and discharging process of porous electrodes immersed in salt and fresh water, respectively [D. Brogioli, Phys. Rev. Lett. 103, 058501 (2009)]. Here we employ a modified Poisson-Boltzmann free-energy density functional to calculate the ionic adsorption and desorption onto and from the charged electrodes, from which the electric work of a cyc","authors_text":"N. Boon, R. van Roij","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-12-22T11:43:42Z","title":"\"Blue energy\" from ion adsorption and electrode charging in sea- and river water"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4946","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:f77c69d7d2acc13ae8cd67d31e8e575eed46f6c25deff50b3200fbb560b9391e","target":"record","created_at":"2026-05-18T02:04:18Z","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":"db75ed5b183f0b2b63c9b60825cbf0698833b55a26f1691a54af9b8824e50bcf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-12-22T11:43:42Z","title_canon_sha256":"4051e86850e9b942bb2e7ef65c4924a647271f3d47cdbc009e58404c01d7811a"},"schema_version":"1.0","source":{"id":"1012.4946","kind":"arxiv","version":1}},"canonical_sha256":"de7dbb341b13f2f75b961dcafdfb71f09c2f059246674cc45cd0e1f185533412","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de7dbb341b13f2f75b961dcafdfb71f09c2f059246674cc45cd0e1f185533412","first_computed_at":"2026-05-18T02:04:18.633522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:18.633522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EodXyktRYFMkGR2b8Y2VozeZkDd4y6z1XC0LbbAwmffCLNS4vHC0rvxrCUJhYi/HFQN9AoREP/ktQR36wxLkCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:18.634213Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.4946","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f77c69d7d2acc13ae8cd67d31e8e575eed46f6c25deff50b3200fbb560b9391e","sha256:d660c345552017a880ec4ffbd9893c325c9a3385a7d398d8476f385cf1308f81"],"state_sha256":"9484ab2af2d06c66090174279936b3ca5214ac390557becb49e6411c8fd219b0"}