{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BC32TRZPPLNEORJ3YIONVJRLEN","short_pith_number":"pith:BC32TRZP","canonical_record":{"source":{"id":"1711.07701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-11-21T10:32:04Z","cross_cats_sorted":[],"title_canon_sha256":"0ca91793b14cfd6f7da241e6ea62acd281451262466dbf1e4e6231c5f8ce134f","abstract_canon_sha256":"982919dc8ddc1a324b7a15cd1be634f0e718750b24273a9a829ad45324593d11"},"schema_version":"1.0"},"canonical_sha256":"08b7a9c72f7ada47453bc21cdaa62b237b0b443d979a73b558c04f0f9a19ecc9","source":{"kind":"arxiv","id":"1711.07701","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07701","created_at":"2026-05-18T00:22:57Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07701v1","created_at":"2026-05-18T00:22:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07701","created_at":"2026-05-18T00:22:57Z"},{"alias_kind":"pith_short_12","alias_value":"BC32TRZPPLNE","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BC32TRZPPLNEORJ3","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BC32TRZP","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BC32TRZPPLNEORJ3YIONVJRLEN","target":"record","payload":{"canonical_record":{"source":{"id":"1711.07701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-11-21T10:32:04Z","cross_cats_sorted":[],"title_canon_sha256":"0ca91793b14cfd6f7da241e6ea62acd281451262466dbf1e4e6231c5f8ce134f","abstract_canon_sha256":"982919dc8ddc1a324b7a15cd1be634f0e718750b24273a9a829ad45324593d11"},"schema_version":"1.0"},"canonical_sha256":"08b7a9c72f7ada47453bc21cdaa62b237b0b443d979a73b558c04f0f9a19ecc9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:57.659252Z","signature_b64":"tezmjwTGTvFuxCnlIBPZrUTP9+VaSh4pGVCJ7NKfysrz63DiW5Cl6MnOI+qfalO6IQUare+A4Bk6e0pvTx9WCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08b7a9c72f7ada47453bc21cdaa62b237b0b443d979a73b558c04f0f9a19ecc9","last_reissued_at":"2026-05-18T00:22:57.658659Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:57.658659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.07701","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":"2026-05-18T00:22:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9mk62XgGJsz52lyIpbBNG34hlQBEmvPoyB6PTVJtMYv11xbjXiSBa0FGLMkkQmvZbHgpRL7BwWpKppuR3XbbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:12:17.849765Z"},"content_sha256":"aeebb267223569034354b7a492f25afacb1e601af0dcf8f90fb183b5bf58acc7","schema_version":"1.0","event_id":"sha256:aeebb267223569034354b7a492f25afacb1e601af0dcf8f90fb183b5bf58acc7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BC32TRZPPLNEORJ3YIONVJRLEN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of Electron Correlation Effects in Strongly Correlated Systems ($\\rm N_2$ and $\\rm N_2^+$) by applying DMRG and Quantum Information Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Beate Paulus, Christian Stemmle, \\\"Ors Legeza","submitted_at":"2017-11-21T10:32:04Z","abstract_excerpt":"The dissociation of $\\rm N_2$ and $\\rm N_2^+$ has been studied by using the \\emph{ab initio} Density Matrix Renormalization Group (DMRG) method. Accurate Potential Energy Surfaces (PES) have been obtained for the electronic ground states of $\\rm N_2$ ($\\rm X^1\\Sigma_g^+$) and $\\rm N_2^+$ ($\\rm X^2\\Sigma_g^+$) as well as for the $\\rm N_2^+$ excited state $\\rm B^2\\Sigma_u^+$. Inherently to the DMRG approach, the eigenvalues of the reduced density matrix ($\\rho$) and their correlation functions are at hand. Thus we can apply Quantum Information Theory (QIT) directly, and investigate how the wave "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07701","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":"2026-05-18T00:22:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n25SBiaCz7tU0nqosh6YU5F3FO9d6+eDORGQ34vckMnFqaGXGMxlx6NIg97PxBul9JhixRWjcHuctrbUNE9QCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:12:17.850358Z"},"content_sha256":"f0c5782d58e7242f12f290fbbe21875bfb727c90357bb1adf7b8d242bd87691e","schema_version":"1.0","event_id":"sha256:f0c5782d58e7242f12f290fbbe21875bfb727c90357bb1adf7b8d242bd87691e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BC32TRZPPLNEORJ3YIONVJRLEN/bundle.json","state_url":"https://pith.science/pith/BC32TRZPPLNEORJ3YIONVJRLEN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BC32TRZPPLNEORJ3YIONVJRLEN/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":"2026-05-19T18:12:17Z","links":{"resolver":"https://pith.science/pith/BC32TRZPPLNEORJ3YIONVJRLEN","bundle":"https://pith.science/pith/BC32TRZPPLNEORJ3YIONVJRLEN/bundle.json","state":"https://pith.science/pith/BC32TRZPPLNEORJ3YIONVJRLEN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BC32TRZPPLNEORJ3YIONVJRLEN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BC32TRZPPLNEORJ3YIONVJRLEN","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":"982919dc8ddc1a324b7a15cd1be634f0e718750b24273a9a829ad45324593d11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-11-21T10:32:04Z","title_canon_sha256":"0ca91793b14cfd6f7da241e6ea62acd281451262466dbf1e4e6231c5f8ce134f"},"schema_version":"1.0","source":{"id":"1711.07701","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07701","created_at":"2026-05-18T00:22:57Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07701v1","created_at":"2026-05-18T00:22:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07701","created_at":"2026-05-18T00:22:57Z"},{"alias_kind":"pith_short_12","alias_value":"BC32TRZPPLNE","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BC32TRZPPLNEORJ3","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BC32TRZP","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:f0c5782d58e7242f12f290fbbe21875bfb727c90357bb1adf7b8d242bd87691e","target":"graph","created_at":"2026-05-18T00:22:57Z","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 dissociation of $\\rm N_2$ and $\\rm N_2^+$ has been studied by using the \\emph{ab initio} Density Matrix Renormalization Group (DMRG) method. Accurate Potential Energy Surfaces (PES) have been obtained for the electronic ground states of $\\rm N_2$ ($\\rm X^1\\Sigma_g^+$) and $\\rm N_2^+$ ($\\rm X^2\\Sigma_g^+$) as well as for the $\\rm N_2^+$ excited state $\\rm B^2\\Sigma_u^+$. Inherently to the DMRG approach, the eigenvalues of the reduced density matrix ($\\rho$) and their correlation functions are at hand. Thus we can apply Quantum Information Theory (QIT) directly, and investigate how the wave ","authors_text":"Beate Paulus, Christian Stemmle, \\\"Ors Legeza","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-11-21T10:32:04Z","title":"Analysis of Electron Correlation Effects in Strongly Correlated Systems ($\\rm N_2$ and $\\rm N_2^+$) by applying DMRG and Quantum Information Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07701","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:aeebb267223569034354b7a492f25afacb1e601af0dcf8f90fb183b5bf58acc7","target":"record","created_at":"2026-05-18T00:22:57Z","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":"982919dc8ddc1a324b7a15cd1be634f0e718750b24273a9a829ad45324593d11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-11-21T10:32:04Z","title_canon_sha256":"0ca91793b14cfd6f7da241e6ea62acd281451262466dbf1e4e6231c5f8ce134f"},"schema_version":"1.0","source":{"id":"1711.07701","kind":"arxiv","version":1}},"canonical_sha256":"08b7a9c72f7ada47453bc21cdaa62b237b0b443d979a73b558c04f0f9a19ecc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08b7a9c72f7ada47453bc21cdaa62b237b0b443d979a73b558c04f0f9a19ecc9","first_computed_at":"2026-05-18T00:22:57.658659Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:57.658659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tezmjwTGTvFuxCnlIBPZrUTP9+VaSh4pGVCJ7NKfysrz63DiW5Cl6MnOI+qfalO6IQUare+A4Bk6e0pvTx9WCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:57.659252Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.07701","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aeebb267223569034354b7a492f25afacb1e601af0dcf8f90fb183b5bf58acc7","sha256:f0c5782d58e7242f12f290fbbe21875bfb727c90357bb1adf7b8d242bd87691e"],"state_sha256":"6294eeee3ab7cb7b905a4b873efb2c69cc02fe363dc16bd3270286a38b0db30f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aLs8FKJ2P+CylPTzMSDrpUsWmee0KAQ9NJfBQnheoCw2bHVA8Z0a8dmRmBUssI+45s4DWxc8s/AsTZb0d1u5DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T18:12:17.853773Z","bundle_sha256":"85df239ac66e299dc34905f17a10c5ce0f5c6ce0a111546364aa87537731a852"}}