{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:EQNIUC5PYHJMGVVMPRNOVI5ZZZ","short_pith_number":"pith:EQNIUC5P","canonical_record":{"source":{"id":"cond-mat/0404184","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2004-04-07T20:35:33Z","cross_cats_sorted":[],"title_canon_sha256":"a772753c75e3185808666d5ab6689da6b727818b1bbd5c9fc38325718bc16093","abstract_canon_sha256":"bf93e926dcbaa32db766a7ea8c0349673e7280a2467e7c8c48e89352858bcd3d"},"schema_version":"1.0"},"canonical_sha256":"241a8a0bafc1d2c356ac7c5aeaa3b9ce4f76c63f91041f0aaa7217865ed4a6f8","source":{"kind":"arxiv","id":"cond-mat/0404184","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0404184","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0404184v1","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0404184","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"EQNIUC5PYHJM","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"EQNIUC5PYHJMGVVM","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"EQNIUC5P","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:EQNIUC5PYHJMGVVMPRNOVI5ZZZ","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0404184","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2004-04-07T20:35:33Z","cross_cats_sorted":[],"title_canon_sha256":"a772753c75e3185808666d5ab6689da6b727818b1bbd5c9fc38325718bc16093","abstract_canon_sha256":"bf93e926dcbaa32db766a7ea8c0349673e7280a2467e7c8c48e89352858bcd3d"},"schema_version":"1.0"},"canonical_sha256":"241a8a0bafc1d2c356ac7c5aeaa3b9ce4f76c63f91041f0aaa7217865ed4a6f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:58.349109Z","signature_b64":"i4ClqVU7rhTBow4GVjVAu4elfL8STvvjyRmjuJnSEGCvBRZxN0Uny/Pc38FLVTtvSlqIyIW5o5+2PIHdqv0QCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"241a8a0bafc1d2c356ac7c5aeaa3b9ce4f76c63f91041f0aaa7217865ed4a6f8","last_reissued_at":"2026-05-18T01:39:58.348600Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:58.348600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0404184","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":"2026-05-18T01:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+WyjdiCsJqxFFMwxGGcAL62u86L8VdZqbSlqZmut/AKrzfHKJbucbACy791ZTjjV4mEIL1JucHXEe8ifx96jBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:35:13.019421Z"},"content_sha256":"dd781c43618c54be008b3dc34e79bc634e0ecd6f9a538a19cf994e0fecd8178b","schema_version":"1.0","event_id":"sha256:dd781c43618c54be008b3dc34e79bc634e0ecd6f9a538a19cf994e0fecd8178b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:EQNIUC5PYHJMGVVMPRNOVI5ZZZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry and Electronic Structure of Noble Metal Nanoparticles and the Role of Relativity","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"B.v. Issendorff, H.Hakkinen, M.Astruc Hoffmann, M.Moseler, N. Morgner, O.Kostko","submitted_at":"2004-04-07T20:35:33Z","abstract_excerpt":"High resolution photoelectron spectra of cold mass selected Cu_n-, Ag_n- and Au_n- with n =53-58 have been measured at a photon energy of 6.42 eV. The observed electron density of states is not the expected simple electron shell structure, but seems to be strongly influenced by electron-lattice interactions. Only Cu55- and Ag55- exhibit highly degenerate states. This is a direct consequence of their icosahedral symmetry, as is confirmed by density functional theory calculations. Neighboring sizes exhibit perturbed electronic structures, as they are formed by removal or addition of atoms to the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0404184","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":"2026-05-18T01:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZxtfY9BnntNIMVUug5MI/fpQ0zUoAq1IqdvQYg0J36Ih+MjrOOFo9LDPsIYX6cZ8JogdMjGcLZu7qxz02E/HCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:35:13.020039Z"},"content_sha256":"e6b94107028b9e40a5cca4d25ee2a5a8b8fc4f9e327192ae8909c0ce00b1fb5c","schema_version":"1.0","event_id":"sha256:e6b94107028b9e40a5cca4d25ee2a5a8b8fc4f9e327192ae8909c0ce00b1fb5c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQNIUC5PYHJMGVVMPRNOVI5ZZZ/bundle.json","state_url":"https://pith.science/pith/EQNIUC5PYHJMGVVMPRNOVI5ZZZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQNIUC5PYHJMGVVMPRNOVI5ZZZ/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":"2026-06-07T14:35:13Z","links":{"resolver":"https://pith.science/pith/EQNIUC5PYHJMGVVMPRNOVI5ZZZ","bundle":"https://pith.science/pith/EQNIUC5PYHJMGVVMPRNOVI5ZZZ/bundle.json","state":"https://pith.science/pith/EQNIUC5PYHJMGVVMPRNOVI5ZZZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQNIUC5PYHJMGVVMPRNOVI5ZZZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:EQNIUC5PYHJMGVVMPRNOVI5ZZZ","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":"bf93e926dcbaa32db766a7ea8c0349673e7280a2467e7c8c48e89352858bcd3d","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2004-04-07T20:35:33Z","title_canon_sha256":"a772753c75e3185808666d5ab6689da6b727818b1bbd5c9fc38325718bc16093"},"schema_version":"1.0","source":{"id":"cond-mat/0404184","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0404184","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0404184v1","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0404184","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"EQNIUC5PYHJM","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"EQNIUC5PYHJMGVVM","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"EQNIUC5P","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:e6b94107028b9e40a5cca4d25ee2a5a8b8fc4f9e327192ae8909c0ce00b1fb5c","target":"graph","created_at":"2026-05-18T01:39:58Z","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":"High resolution photoelectron spectra of cold mass selected Cu_n-, Ag_n- and Au_n- with n =53-58 have been measured at a photon energy of 6.42 eV. The observed electron density of states is not the expected simple electron shell structure, but seems to be strongly influenced by electron-lattice interactions. Only Cu55- and Ag55- exhibit highly degenerate states. This is a direct consequence of their icosahedral symmetry, as is confirmed by density functional theory calculations. Neighboring sizes exhibit perturbed electronic structures, as they are formed by removal or addition of atoms to the","authors_text":"B.v. Issendorff, H.Hakkinen, M.Astruc Hoffmann, M.Moseler, N. Morgner, O.Kostko","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.other","submitted_at":"2004-04-07T20:35:33Z","title":"Symmetry and Electronic Structure of Noble Metal Nanoparticles and the Role of Relativity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0404184","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:dd781c43618c54be008b3dc34e79bc634e0ecd6f9a538a19cf994e0fecd8178b","target":"record","created_at":"2026-05-18T01:39:58Z","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":"bf93e926dcbaa32db766a7ea8c0349673e7280a2467e7c8c48e89352858bcd3d","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2004-04-07T20:35:33Z","title_canon_sha256":"a772753c75e3185808666d5ab6689da6b727818b1bbd5c9fc38325718bc16093"},"schema_version":"1.0","source":{"id":"cond-mat/0404184","kind":"arxiv","version":1}},"canonical_sha256":"241a8a0bafc1d2c356ac7c5aeaa3b9ce4f76c63f91041f0aaa7217865ed4a6f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"241a8a0bafc1d2c356ac7c5aeaa3b9ce4f76c63f91041f0aaa7217865ed4a6f8","first_computed_at":"2026-05-18T01:39:58.348600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:58.348600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i4ClqVU7rhTBow4GVjVAu4elfL8STvvjyRmjuJnSEGCvBRZxN0Uny/Pc38FLVTtvSlqIyIW5o5+2PIHdqv0QCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:58.349109Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0404184","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd781c43618c54be008b3dc34e79bc634e0ecd6f9a538a19cf994e0fecd8178b","sha256:e6b94107028b9e40a5cca4d25ee2a5a8b8fc4f9e327192ae8909c0ce00b1fb5c"],"state_sha256":"5cd0260bc3b42da1dfdd176fc3c546c895d0fcb6ceea9c1e2bdde5d0196b8cd0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LCruQamxX5/QuxaCjEh8mUxEQVZWJCqnuCl6tHtzHo+6s4YHpiLZo4MATH7R3Y3OdAgrLW1eM7XFQ7ONhLctBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T14:35:13.023570Z","bundle_sha256":"9ab41e19eb4fba1d9ad660352950042431d7846e468e72b391134ae0826331e3"}}