{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VOGRLP3GVAJ76WVKGXEED3TFYL","short_pith_number":"pith:VOGRLP3G","canonical_record":{"source":{"id":"1601.01584","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T16:25:22Z","cross_cats_sorted":[],"title_canon_sha256":"3f31d4e23032281f2ed658091ed3c3364f87272628a6cc6b0d55fa7df1055c08","abstract_canon_sha256":"829dcd57d792eaded708f0713f8debce23eb141d9e707882d296c40d99dc1c7e"},"schema_version":"1.0"},"canonical_sha256":"ab8d15bf66a813ff5aaa35c841ee65c2c6e127a677762561f8041288b209b6ec","source":{"kind":"arxiv","id":"1601.01584","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01584","created_at":"2026-05-18T01:15:14Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01584v2","created_at":"2026-05-18T01:15:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01584","created_at":"2026-05-18T01:15:14Z"},{"alias_kind":"pith_short_12","alias_value":"VOGRLP3GVAJ7","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VOGRLP3GVAJ76WVK","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VOGRLP3G","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VOGRLP3GVAJ76WVKGXEED3TFYL","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01584","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T16:25:22Z","cross_cats_sorted":[],"title_canon_sha256":"3f31d4e23032281f2ed658091ed3c3364f87272628a6cc6b0d55fa7df1055c08","abstract_canon_sha256":"829dcd57d792eaded708f0713f8debce23eb141d9e707882d296c40d99dc1c7e"},"schema_version":"1.0"},"canonical_sha256":"ab8d15bf66a813ff5aaa35c841ee65c2c6e127a677762561f8041288b209b6ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:14.315004Z","signature_b64":"R7NzjEfAppBLtf1TBCDaayGpz240l09XE1cSwgWlEnjc4LSKlnGgpp6nksYbyJKi3XaoY5wsx0VOcU3dRgQ0Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab8d15bf66a813ff5aaa35c841ee65c2c6e127a677762561f8041288b209b6ec","last_reissued_at":"2026-05-18T01:15:14.314489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:14.314489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01584","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":"2026-05-18T01:15:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qEbssKWGcwsJ5DTteWlYmx9GLMRaG2vJUezXLKsQDSk4HimZJf3PWq4iNOpB+fRwlkcfLz1Nm15g2dWkBpgSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:50:37.890017Z"},"content_sha256":"b3ccc4fcdcf829a81434263743cb164a9f249db55c497724908496ce5de6785b","schema_version":"1.0","event_id":"sha256:b3ccc4fcdcf829a81434263743cb164a9f249db55c497724908496ce5de6785b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VOGRLP3GVAJ76WVKGXEED3TFYL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Hydrodynamic Theory for Plasmonics: Impact of the Electron Density Tail","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Cristian Cirac\\`i, Fabio Della Sala","submitted_at":"2016-01-07T16:25:22Z","abstract_excerpt":"Multiscale plasmonic systems e.g. extended metallic nanostructures with sub-nanometer inter-distances) play a key role in the development of next-generation nano-photonic devices.\n  An accurate modeling of the optical interactions in these systems requires an accurate description of both quantum effects and far-field properties.\n  Classical electromagnetism can only describe the latter, while Time-Dependent Density Functional Theory (TD-DFT) can provide a full first-principles quantum treatment.\n  However, TD-DFT becomes computationally prohibitive for sizes that exceed few nanometers, which a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01584","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":"2026-05-18T01:15:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K1FqlBeVjkQ1jbAP81DtU3/5gvGnQb0d7Hjq+l3drTT3tDsZil1Z8bJ5OPrY62464diew6jDjx3ra6Mf6y6+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:50:37.890670Z"},"content_sha256":"96dc6a6829dbb193d5e0f09c21a4def3c5da06b8f3f36587b11202aca92a201c","schema_version":"1.0","event_id":"sha256:96dc6a6829dbb193d5e0f09c21a4def3c5da06b8f3f36587b11202aca92a201c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VOGRLP3GVAJ76WVKGXEED3TFYL/bundle.json","state_url":"https://pith.science/pith/VOGRLP3GVAJ76WVKGXEED3TFYL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VOGRLP3GVAJ76WVKGXEED3TFYL/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":"2026-06-05T18:50:37Z","links":{"resolver":"https://pith.science/pith/VOGRLP3GVAJ76WVKGXEED3TFYL","bundle":"https://pith.science/pith/VOGRLP3GVAJ76WVKGXEED3TFYL/bundle.json","state":"https://pith.science/pith/VOGRLP3GVAJ76WVKGXEED3TFYL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VOGRLP3GVAJ76WVKGXEED3TFYL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VOGRLP3GVAJ76WVKGXEED3TFYL","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":"829dcd57d792eaded708f0713f8debce23eb141d9e707882d296c40d99dc1c7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T16:25:22Z","title_canon_sha256":"3f31d4e23032281f2ed658091ed3c3364f87272628a6cc6b0d55fa7df1055c08"},"schema_version":"1.0","source":{"id":"1601.01584","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01584","created_at":"2026-05-18T01:15:14Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01584v2","created_at":"2026-05-18T01:15:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01584","created_at":"2026-05-18T01:15:14Z"},{"alias_kind":"pith_short_12","alias_value":"VOGRLP3GVAJ7","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VOGRLP3GVAJ76WVK","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VOGRLP3G","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:96dc6a6829dbb193d5e0f09c21a4def3c5da06b8f3f36587b11202aca92a201c","target":"graph","created_at":"2026-05-18T01:15:14Z","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":"Multiscale plasmonic systems e.g. extended metallic nanostructures with sub-nanometer inter-distances) play a key role in the development of next-generation nano-photonic devices.\n  An accurate modeling of the optical interactions in these systems requires an accurate description of both quantum effects and far-field properties.\n  Classical electromagnetism can only describe the latter, while Time-Dependent Density Functional Theory (TD-DFT) can provide a full first-principles quantum treatment.\n  However, TD-DFT becomes computationally prohibitive for sizes that exceed few nanometers, which a","authors_text":"Cristian Cirac\\`i, Fabio Della Sala","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T16:25:22Z","title":"Quantum Hydrodynamic Theory for Plasmonics: Impact of the Electron Density Tail"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01584","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:b3ccc4fcdcf829a81434263743cb164a9f249db55c497724908496ce5de6785b","target":"record","created_at":"2026-05-18T01:15:14Z","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":"829dcd57d792eaded708f0713f8debce23eb141d9e707882d296c40d99dc1c7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T16:25:22Z","title_canon_sha256":"3f31d4e23032281f2ed658091ed3c3364f87272628a6cc6b0d55fa7df1055c08"},"schema_version":"1.0","source":{"id":"1601.01584","kind":"arxiv","version":2}},"canonical_sha256":"ab8d15bf66a813ff5aaa35c841ee65c2c6e127a677762561f8041288b209b6ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab8d15bf66a813ff5aaa35c841ee65c2c6e127a677762561f8041288b209b6ec","first_computed_at":"2026-05-18T01:15:14.314489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:14.314489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R7NzjEfAppBLtf1TBCDaayGpz240l09XE1cSwgWlEnjc4LSKlnGgpp6nksYbyJKi3XaoY5wsx0VOcU3dRgQ0Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:14.315004Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01584","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3ccc4fcdcf829a81434263743cb164a9f249db55c497724908496ce5de6785b","sha256:96dc6a6829dbb193d5e0f09c21a4def3c5da06b8f3f36587b11202aca92a201c"],"state_sha256":"21d02dba7d54e07876c30153d52f2871ca2f2abf7555d626eacd18808e2cbe6e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgQBV2IwH76bAyx49B0C/PmhF/8JmNpFCZPrwwND8f4AGpjyi1eh0eEK2wsNI1HO0zo+e7Ug3YWTA962oDNJBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T18:50:37.893903Z","bundle_sha256":"880f595e8277cfa49b1129f5ab5f8e4e8af86f84229f5106f03d35336e1d191e"}}