{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4K6YOHKG5DBH7HCV5BFBNXY6ZQ","short_pith_number":"pith:4K6YOHKG","canonical_record":{"source":{"id":"1210.7195","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2012-10-26T17:04:16Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"6a619938efe0ec439ec3e6bf92adfcec8eac55738a6aebbbec473ec761e3c492","abstract_canon_sha256":"4e0bad07455bfcc2c9bedb6e8440160e5d94f42849d6612c31c695e21b1b51c8"},"schema_version":"1.0"},"canonical_sha256":"e2bd871d46e8c27f9c55e84a16df1ecc07ae31fb230150538cb9b99fcbc32429","source":{"kind":"arxiv","id":"1210.7195","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.7195","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.7195v1","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.7195","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"4K6YOHKG5DBH","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4K6YOHKG5DBH7HCV","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4K6YOHKG","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4K6YOHKG5DBH7HCV5BFBNXY6ZQ","target":"record","payload":{"canonical_record":{"source":{"id":"1210.7195","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2012-10-26T17:04:16Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"6a619938efe0ec439ec3e6bf92adfcec8eac55738a6aebbbec473ec761e3c492","abstract_canon_sha256":"4e0bad07455bfcc2c9bedb6e8440160e5d94f42849d6612c31c695e21b1b51c8"},"schema_version":"1.0"},"canonical_sha256":"e2bd871d46e8c27f9c55e84a16df1ecc07ae31fb230150538cb9b99fcbc32429","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:37.098010Z","signature_b64":"dRXnmfj3yEzhHO3y9Manvo5z7s1N7sAcHopJ5KulYZK+KXcUouLfePVwa9xO/wXw/UfNUeufI56XtR2vvjAHCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2bd871d46e8c27f9c55e84a16df1ecc07ae31fb230150538cb9b99fcbc32429","last_reissued_at":"2026-05-18T01:53:37.097610Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:37.097610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.7195","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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cV+gRnCwCjkePGKTgPduKJUoFq7XOvU3sjeyAe54szxmegwsx+8jFOT4QUp2QvpYgWgzs+rcKAlKF8AK0uhxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:55:54.962447Z"},"content_sha256":"0e1f019755d3b944793423ef1ef1e46f55e4b41cbc09c17a999fd0c07940a475","schema_version":"1.0","event_id":"sha256:0e1f019755d3b944793423ef1ef1e46f55e4b41cbc09c17a999fd0c07940a475"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4K6YOHKG5DBH7HCV5BFBNXY6ZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Momentum distribution and Compton profile by the ab initio GW approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.other","authors_text":"Andrey Titov, Keijo H\\\"am\\\"al\\\"ainen, Markus Holzmann, Massimo Ladisa, Simo Huotari, Valerio Olevano","submitted_at":"2012-10-26T17:04:16Z","abstract_excerpt":"We present two possible approaches to calculate the momentum distribution n(p) and the Compton profile within the framework of the ab initio GW approximation on the self-energy. The approaches are based on integration of the Green's function along either the real or the imaginary axes. Examples will be presented on the jellium model and on real bulk sodium. Advantages and drawbacks of both methods are discussed in comparison with accurate quantum Monte Carlo (QMC) calculations and x-ray Compton scattering experiments. We illustrate the effect of many-body correlations and disentangle them from"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.7195","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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6r6M76M+TAA+C90Lnbb4k8Q0sbm6w+mlmQQHVCn4B4UrZXxpf5qV2xlFwbAquNqMg3ZOOtJsf+EWLNwsS889AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:55:54.963187Z"},"content_sha256":"56df7114d86f356acde346f1f1c25c5179160984ac4c70469ea3d370aae7f32b","schema_version":"1.0","event_id":"sha256:56df7114d86f356acde346f1f1c25c5179160984ac4c70469ea3d370aae7f32b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4K6YOHKG5DBH7HCV5BFBNXY6ZQ/bundle.json","state_url":"https://pith.science/pith/4K6YOHKG5DBH7HCV5BFBNXY6ZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4K6YOHKG5DBH7HCV5BFBNXY6ZQ/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":"2026-05-31T21:55:54Z","links":{"resolver":"https://pith.science/pith/4K6YOHKG5DBH7HCV5BFBNXY6ZQ","bundle":"https://pith.science/pith/4K6YOHKG5DBH7HCV5BFBNXY6ZQ/bundle.json","state":"https://pith.science/pith/4K6YOHKG5DBH7HCV5BFBNXY6ZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4K6YOHKG5DBH7HCV5BFBNXY6ZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4K6YOHKG5DBH7HCV5BFBNXY6ZQ","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":"4e0bad07455bfcc2c9bedb6e8440160e5d94f42849d6612c31c695e21b1b51c8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2012-10-26T17:04:16Z","title_canon_sha256":"6a619938efe0ec439ec3e6bf92adfcec8eac55738a6aebbbec473ec761e3c492"},"schema_version":"1.0","source":{"id":"1210.7195","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.7195","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.7195v1","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.7195","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"4K6YOHKG5DBH","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4K6YOHKG5DBH7HCV","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4K6YOHKG","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:56df7114d86f356acde346f1f1c25c5179160984ac4c70469ea3d370aae7f32b","target":"graph","created_at":"2026-05-18T01:53:37Z","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 present two possible approaches to calculate the momentum distribution n(p) and the Compton profile within the framework of the ab initio GW approximation on the self-energy. The approaches are based on integration of the Green's function along either the real or the imaginary axes. Examples will be presented on the jellium model and on real bulk sodium. Advantages and drawbacks of both methods are discussed in comparison with accurate quantum Monte Carlo (QMC) calculations and x-ray Compton scattering experiments. We illustrate the effect of many-body correlations and disentangle them from","authors_text":"Andrey Titov, Keijo H\\\"am\\\"al\\\"ainen, Markus Holzmann, Massimo Ladisa, Simo Huotari, Valerio Olevano","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2012-10-26T17:04:16Z","title":"Momentum distribution and Compton profile by the ab initio GW approximation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.7195","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":"sha256:0e1f019755d3b944793423ef1ef1e46f55e4b41cbc09c17a999fd0c07940a475","target":"record","created_at":"2026-05-18T01:53:37Z","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":"4e0bad07455bfcc2c9bedb6e8440160e5d94f42849d6612c31c695e21b1b51c8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2012-10-26T17:04:16Z","title_canon_sha256":"6a619938efe0ec439ec3e6bf92adfcec8eac55738a6aebbbec473ec761e3c492"},"schema_version":"1.0","source":{"id":"1210.7195","kind":"arxiv","version":1}},"canonical_sha256":"e2bd871d46e8c27f9c55e84a16df1ecc07ae31fb230150538cb9b99fcbc32429","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2bd871d46e8c27f9c55e84a16df1ecc07ae31fb230150538cb9b99fcbc32429","first_computed_at":"2026-05-18T01:53:37.097610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:37.097610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dRXnmfj3yEzhHO3y9Manvo5z7s1N7sAcHopJ5KulYZK+KXcUouLfePVwa9xO/wXw/UfNUeufI56XtR2vvjAHCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:37.098010Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.7195","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e1f019755d3b944793423ef1ef1e46f55e4b41cbc09c17a999fd0c07940a475","sha256:56df7114d86f356acde346f1f1c25c5179160984ac4c70469ea3d370aae7f32b"],"state_sha256":"222178a15c368bb0e5037a47599fc4f46f48a80888012e516d1338a8024d2f6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c6vDZkjprlBfm2NsksPJNFV0EmWK2HiR5IxpPHpoZX9hv6mT1M4Q64ZpkjJ7PrUTCP33zKnyXTBg+tvwlgVzBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:55:54.966898Z","bundle_sha256":"cfe93ab3192b805a06fb6f257803d2e823ff7daffaa813d424e18c3d7ca5420b"}}