{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IOE5ZDJVFOHSVJYOH7UVLOTOQF","short_pith_number":"pith:IOE5ZDJV","canonical_record":{"source":{"id":"1508.07237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-28T14:59:43Z","cross_cats_sorted":[],"title_canon_sha256":"359fd5e0ed7b98eb35cb4f018d3570c82ee590f01414fde6beb19693a65eff99","abstract_canon_sha256":"1d2ac0ca512c09b523225d572e570ea40c01ef672972fe044e14b73544055d4d"},"schema_version":"1.0"},"canonical_sha256":"4389dc8d352b8f2aa70e3fe955ba6e816d98baf893eb366d45939d99c7136388","source":{"kind":"arxiv","id":"1508.07237","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.07237","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"arxiv_version","alias_value":"1508.07237v2","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.07237","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"pith_short_12","alias_value":"IOE5ZDJVFOHS","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IOE5ZDJVFOHSVJYO","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IOE5ZDJV","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IOE5ZDJVFOHSVJYOH7UVLOTOQF","target":"record","payload":{"canonical_record":{"source":{"id":"1508.07237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-28T14:59:43Z","cross_cats_sorted":[],"title_canon_sha256":"359fd5e0ed7b98eb35cb4f018d3570c82ee590f01414fde6beb19693a65eff99","abstract_canon_sha256":"1d2ac0ca512c09b523225d572e570ea40c01ef672972fe044e14b73544055d4d"},"schema_version":"1.0"},"canonical_sha256":"4389dc8d352b8f2aa70e3fe955ba6e816d98baf893eb366d45939d99c7136388","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:08.173964Z","signature_b64":"gXjWwiLSv9QPkK9YrqQ8CxrV0tGaMDmHJ6mVDU9MajoX4ptuUZ/9HtoEt1VgZfY7Av4D88VB/NBOp+WiCAsnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4389dc8d352b8f2aa70e3fe955ba6e816d98baf893eb366d45939d99c7136388","last_reissued_at":"2026-05-18T01:23:08.173361Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:08.173361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.07237","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":"2026-05-18T01:23:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GYU8WzbC8SbJajyX1GFRIQlpXJUYMBQi8lu7B1EKS3nF+saKCeB8xfxaJ8ELvJ3cyWgaPnao5diN8y11aQQsAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:43:28.138789Z"},"content_sha256":"61faf02ff78317a80027e0c6831bd118f5c1f9a24629a22199e91f8c2993cc86","schema_version":"1.0","event_id":"sha256:61faf02ff78317a80027e0c6831bd118f5c1f9a24629a22199e91f8c2993cc86"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IOE5ZDJVFOHSVJYOH7UVLOTOQF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-consistent Dual Boson approach to single-particle and collective excitations in correlated systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. A. Katanin, A. I. Lichtenstein, A. N. Rubtsov, E. A. Stepanov, E. G. C. P. van Loon, M. I. Katsnelson","submitted_at":"2015-08-28T14:59:43Z","abstract_excerpt":"We propose an efficient dual boson scheme, which extends the DMFT paradigm to collective excitations in correlated systems. The theory is fully self-consistent both on the one- and on the two-particle level, thus describing the formation of collective modes as well as the renormalization of electronic and bosonic spectra on equal footing. The method employs an effective impurity model comprising both fermionic and bosonic hybridization functions. Only single- and two-electron Green's functions of the reference problem enter the theory, due to the optimal choice of the self-consistency conditio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.07237","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":"2026-05-18T01:23:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zgZ1BsoNMF9Swv0l7A4jCNn8YmlsupYHPbaB6obL9Puubma4E4B0zhPMJ4a8Zy7nVjHpv9elNy3uInoQr7UICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:43:28.139148Z"},"content_sha256":"f012d95da1bd012d15bae3513f03deb875849a3318805e1a3b10fa453e420a43","schema_version":"1.0","event_id":"sha256:f012d95da1bd012d15bae3513f03deb875849a3318805e1a3b10fa453e420a43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IOE5ZDJVFOHSVJYOH7UVLOTOQF/bundle.json","state_url":"https://pith.science/pith/IOE5ZDJVFOHSVJYOH7UVLOTOQF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IOE5ZDJVFOHSVJYOH7UVLOTOQF/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":"2026-05-27T22:43:28Z","links":{"resolver":"https://pith.science/pith/IOE5ZDJVFOHSVJYOH7UVLOTOQF","bundle":"https://pith.science/pith/IOE5ZDJVFOHSVJYOH7UVLOTOQF/bundle.json","state":"https://pith.science/pith/IOE5ZDJVFOHSVJYOH7UVLOTOQF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IOE5ZDJVFOHSVJYOH7UVLOTOQF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IOE5ZDJVFOHSVJYOH7UVLOTOQF","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":"1d2ac0ca512c09b523225d572e570ea40c01ef672972fe044e14b73544055d4d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-28T14:59:43Z","title_canon_sha256":"359fd5e0ed7b98eb35cb4f018d3570c82ee590f01414fde6beb19693a65eff99"},"schema_version":"1.0","source":{"id":"1508.07237","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.07237","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"arxiv_version","alias_value":"1508.07237v2","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.07237","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"pith_short_12","alias_value":"IOE5ZDJVFOHS","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IOE5ZDJVFOHSVJYO","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IOE5ZDJV","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:f012d95da1bd012d15bae3513f03deb875849a3318805e1a3b10fa453e420a43","target":"graph","created_at":"2026-05-18T01:23:08Z","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":"We propose an efficient dual boson scheme, which extends the DMFT paradigm to collective excitations in correlated systems. The theory is fully self-consistent both on the one- and on the two-particle level, thus describing the formation of collective modes as well as the renormalization of electronic and bosonic spectra on equal footing. The method employs an effective impurity model comprising both fermionic and bosonic hybridization functions. Only single- and two-electron Green's functions of the reference problem enter the theory, due to the optimal choice of the self-consistency conditio","authors_text":"A. A. Katanin, A. I. Lichtenstein, A. N. Rubtsov, E. A. Stepanov, E. G. C. P. van Loon, M. I. Katsnelson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-28T14:59:43Z","title":"Self-consistent Dual Boson approach to single-particle and collective excitations in correlated systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.07237","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":"sha256:61faf02ff78317a80027e0c6831bd118f5c1f9a24629a22199e91f8c2993cc86","target":"record","created_at":"2026-05-18T01:23:08Z","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":"1d2ac0ca512c09b523225d572e570ea40c01ef672972fe044e14b73544055d4d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-28T14:59:43Z","title_canon_sha256":"359fd5e0ed7b98eb35cb4f018d3570c82ee590f01414fde6beb19693a65eff99"},"schema_version":"1.0","source":{"id":"1508.07237","kind":"arxiv","version":2}},"canonical_sha256":"4389dc8d352b8f2aa70e3fe955ba6e816d98baf893eb366d45939d99c7136388","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4389dc8d352b8f2aa70e3fe955ba6e816d98baf893eb366d45939d99c7136388","first_computed_at":"2026-05-18T01:23:08.173361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:08.173361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gXjWwiLSv9QPkK9YrqQ8CxrV0tGaMDmHJ6mVDU9MajoX4ptuUZ/9HtoEt1VgZfY7Av4D88VB/NBOp+WiCAsnCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:08.173964Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.07237","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61faf02ff78317a80027e0c6831bd118f5c1f9a24629a22199e91f8c2993cc86","sha256:f012d95da1bd012d15bae3513f03deb875849a3318805e1a3b10fa453e420a43"],"state_sha256":"e9fa6fedd0edf4834fb6ac6f329f30cb27126df5afb195df010fa66710903545"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ere4FKAfmcRKxu8eiMwbJHgIeC/xpq1uCWcpCRZqr8k6sINzsEJrrlgkUjsZ5nn7aQJ6HoQr+3kGqtcdXdHYBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:43:28.142447Z","bundle_sha256":"066bae64d027f7e6ef4c00da4a603af90b64a3624f17b594f8684734c06db28b"}}