{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:4GMFAWWU4O5C3645FKBLBNNSEW","short_pith_number":"pith:4GMFAWWU","canonical_record":{"source":{"id":"1001.0182","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-12-31T21:20:52Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"313a2ffa914858f09f3015e6d340f847f946040f5f1d897117b2c57cd7789b0f","abstract_canon_sha256":"bfb1e5aa20af7761ad90555183835bfa13a49768b634a8b52da6466d237c4b8f"},"schema_version":"1.0"},"canonical_sha256":"e198505ad4e3ba2dfb9d2a82b0b5b225847379f87630fe1057fec4686832937c","source":{"kind":"arxiv","id":"1001.0182","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0182","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0182v1","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0182","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"pith_short_12","alias_value":"4GMFAWWU4O5C","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"4GMFAWWU4O5C3645","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"4GMFAWWU","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:4GMFAWWU4O5C3645FKBLBNNSEW","target":"record","payload":{"canonical_record":{"source":{"id":"1001.0182","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-12-31T21:20:52Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"313a2ffa914858f09f3015e6d340f847f946040f5f1d897117b2c57cd7789b0f","abstract_canon_sha256":"bfb1e5aa20af7761ad90555183835bfa13a49768b634a8b52da6466d237c4b8f"},"schema_version":"1.0"},"canonical_sha256":"e198505ad4e3ba2dfb9d2a82b0b5b225847379f87630fe1057fec4686832937c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:05.960543Z","signature_b64":"iePNppARnJdNce04X6MwaTvTrKEC0fITJIQ8os5sVfdMvc+5il7d1pNr8JvMQGyvYgHWUZLucTgkARBxTaOWBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e198505ad4e3ba2dfb9d2a82b0b5b225847379f87630fe1057fec4686832937c","last_reissued_at":"2026-05-18T02:10:05.959801Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:05.959801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.0182","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":"2026-05-18T02:10:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xcN2aQpcxcsO/d2ahOB1T6S2tE7JGD5r/eOmqGvlHtd6q+118jpHQYIufzFLsaWJdHtdy1xINfAdRYSEkU+NDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T00:54:08.586410Z"},"content_sha256":"0046ed2938324cacd0765a4a95b8d81e0afc6bde9cc56cb13c2cae2b4e6e9cb1","schema_version":"1.0","event_id":"sha256:0046ed2938324cacd0765a4a95b8d81e0afc6bde9cc56cb13c2cae2b4e6e9cb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:4GMFAWWU4O5C3645FKBLBNNSEW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of Molecular Adsorption on Optical Losses of the Ag (111) Surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexander V. Gavrilenko, Carla S. McKinney, Vladimir I. Gavrilenko","submitted_at":"2009-12-31T21:20:52Z","abstract_excerpt":"The first principles density functional theory (DFT) is applied to study effects of molecular adsorption on optical losses of silver (111) surface. The ground states of the systems including water, methanol, and ethanol molecules adsorbed on Ag (111) surface were obtained by the total energy minimization method within the local density approximation (LDA). Optical functions were calculated within the Random Phase Approximation (RPA) approach. Contribution of the surface states to optical losses was studied by calculations of the dielectric function of bare Ag (111) surface. Substantial modific"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0182","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":"2026-05-18T02:10:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pX/H88F2ImD+RTnBj6tP6+xOYA4rhHJUOuWXjV+FHPN8eBlAyMq8PLiUdH80qc3rvEgC1i53SpERzvEkgB0/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T00:54:08.586958Z"},"content_sha256":"ffd381386ef2b309f0f3cb3f1a99cbc5d48ed9e560bfba805397af55e98a4af0","schema_version":"1.0","event_id":"sha256:ffd381386ef2b309f0f3cb3f1a99cbc5d48ed9e560bfba805397af55e98a4af0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GMFAWWU4O5C3645FKBLBNNSEW/bundle.json","state_url":"https://pith.science/pith/4GMFAWWU4O5C3645FKBLBNNSEW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GMFAWWU4O5C3645FKBLBNNSEW/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":"2026-06-09T00:54:08Z","links":{"resolver":"https://pith.science/pith/4GMFAWWU4O5C3645FKBLBNNSEW","bundle":"https://pith.science/pith/4GMFAWWU4O5C3645FKBLBNNSEW/bundle.json","state":"https://pith.science/pith/4GMFAWWU4O5C3645FKBLBNNSEW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GMFAWWU4O5C3645FKBLBNNSEW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:4GMFAWWU4O5C3645FKBLBNNSEW","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":"bfb1e5aa20af7761ad90555183835bfa13a49768b634a8b52da6466d237c4b8f","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-12-31T21:20:52Z","title_canon_sha256":"313a2ffa914858f09f3015e6d340f847f946040f5f1d897117b2c57cd7789b0f"},"schema_version":"1.0","source":{"id":"1001.0182","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0182","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0182v1","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0182","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"pith_short_12","alias_value":"4GMFAWWU4O5C","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"4GMFAWWU4O5C3645","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"4GMFAWWU","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:ffd381386ef2b309f0f3cb3f1a99cbc5d48ed9e560bfba805397af55e98a4af0","target":"graph","created_at":"2026-05-18T02:10:05Z","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":"The first principles density functional theory (DFT) is applied to study effects of molecular adsorption on optical losses of silver (111) surface. The ground states of the systems including water, methanol, and ethanol molecules adsorbed on Ag (111) surface were obtained by the total energy minimization method within the local density approximation (LDA). Optical functions were calculated within the Random Phase Approximation (RPA) approach. Contribution of the surface states to optical losses was studied by calculations of the dielectric function of bare Ag (111) surface. Substantial modific","authors_text":"Alexander V. Gavrilenko, Carla S. McKinney, Vladimir I. Gavrilenko","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-12-31T21:20:52Z","title":"Effects of Molecular Adsorption on Optical Losses of the Ag (111) Surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0182","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":"sha256:0046ed2938324cacd0765a4a95b8d81e0afc6bde9cc56cb13c2cae2b4e6e9cb1","target":"record","created_at":"2026-05-18T02:10:05Z","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":"bfb1e5aa20af7761ad90555183835bfa13a49768b634a8b52da6466d237c4b8f","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-12-31T21:20:52Z","title_canon_sha256":"313a2ffa914858f09f3015e6d340f847f946040f5f1d897117b2c57cd7789b0f"},"schema_version":"1.0","source":{"id":"1001.0182","kind":"arxiv","version":1}},"canonical_sha256":"e198505ad4e3ba2dfb9d2a82b0b5b225847379f87630fe1057fec4686832937c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e198505ad4e3ba2dfb9d2a82b0b5b225847379f87630fe1057fec4686832937c","first_computed_at":"2026-05-18T02:10:05.959801Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:05.959801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iePNppARnJdNce04X6MwaTvTrKEC0fITJIQ8os5sVfdMvc+5il7d1pNr8JvMQGyvYgHWUZLucTgkARBxTaOWBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:05.960543Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.0182","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0046ed2938324cacd0765a4a95b8d81e0afc6bde9cc56cb13c2cae2b4e6e9cb1","sha256:ffd381386ef2b309f0f3cb3f1a99cbc5d48ed9e560bfba805397af55e98a4af0"],"state_sha256":"c2b91a72c3c81f331ee8bbde1f681ac7a91587d89160ef0d374c33accb7a9438"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OI0YeEyOf9IGsizvVV+n3LInJ/ug9NdJ+Z74nVyp6d6SdOKnAAoUCSb9yvLYyEqx2VCzhwvWsalcKZ21thoIBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T00:54:08.589531Z","bundle_sha256":"30e84fcf5e1e06781c058a00264f9645875ca9cd5ff8803343f1c72ddf71a952"}}