{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:IPQYA7ET7OIHR2IU4ZK4HU3GFG","short_pith_number":"pith:IPQYA7ET","schema_version":"1.0","canonical_sha256":"43e1807c93fb9078e914e655c3d36629a8bf77dcefebec1e506a834531bebf54","source":{"kind":"arxiv","id":"2007.14822","version":2},"attestation_state":"computed","paper":{"title":"The ITensor Software Library for Tensor Network Calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","physics.comp-ph"],"primary_cat":"cs.MS","authors_text":"E. Miles Stoudenmire, Matthew Fishman, Steven R. White","submitted_at":"2020-07-28T15:38:57Z","abstract_excerpt":"ITensor is a system for programming tensor network calculations with an interface modeled on tensor diagram notation, which allows users to focus on the connectivity of a tensor network without manually bookkeeping tensor indices. The ITensor interface rules out common programming errors and enables rapid prototyping of tensor network algorithms. After discussing the philosophy behind the ITensor approach, we show examples of each part of the interface including Index objects, the ITensor product operator, tensor factorizations, tensor storage types, algorithms for matrix product state (MPS) a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2007.14822","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MS","submitted_at":"2020-07-28T15:38:57Z","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"04da5e0f045d2c2b5c2f40975ee422b697649815c372becd3bbef6321f853083","abstract_canon_sha256":"efa37240e831858ca3ad2f0b2ea9a06fc285f0bd7ea99eaf54dabcd94dba50a9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:47:54.288365Z","signature_b64":"kArHpVadjMDkLb3gRCMtdCAmj/JYeJa1VZwj3J1+ZOuAVXQHGd5rTF/s9IfGgj8qEu6p0XYyAk/0dUJbWbJmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43e1807c93fb9078e914e655c3d36629a8bf77dcefebec1e506a834531bebf54","last_reissued_at":"2026-07-05T05:47:54.287949Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:47:54.287949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The ITensor Software Library for Tensor Network Calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","physics.comp-ph"],"primary_cat":"cs.MS","authors_text":"E. Miles Stoudenmire, Matthew Fishman, Steven R. White","submitted_at":"2020-07-28T15:38:57Z","abstract_excerpt":"ITensor is a system for programming tensor network calculations with an interface modeled on tensor diagram notation, which allows users to focus on the connectivity of a tensor network without manually bookkeeping tensor indices. The ITensor interface rules out common programming errors and enables rapid prototyping of tensor network algorithms. After discussing the philosophy behind the ITensor approach, we show examples of each part of the interface including Index objects, the ITensor product operator, tensor factorizations, tensor storage types, algorithms for matrix product state (MPS) a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.14822","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2007.14822/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2007.14822","created_at":"2026-07-05T05:47:54.288009+00:00"},{"alias_kind":"arxiv_version","alias_value":"2007.14822v2","created_at":"2026-07-05T05:47:54.288009+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.14822","created_at":"2026-07-05T05:47:54.288009+00:00"},{"alias_kind":"pith_short_12","alias_value":"IPQYA7ET7OIH","created_at":"2026-07-05T05:47:54.288009+00:00"},{"alias_kind":"pith_short_16","alias_value":"IPQYA7ET7OIHR2IU","created_at":"2026-07-05T05:47:54.288009+00:00"},{"alias_kind":"pith_short_8","alias_value":"IPQYA7ET","created_at":"2026-07-05T05:47:54.288009+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":11,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.20029","citing_title":"A Finite-Volume Scheme for the Continuum Extrapolation of Lattice Step-Scaling in (2+1)D Hamiltonian U(1) Gauge Theory","ref_index":23,"is_internal_anchor":false},{"citing_arxiv_id":"2606.04086","citing_title":"Quantum String Interactions Revealed by Full Counting Statistics","ref_index":81,"is_internal_anchor":false},{"citing_arxiv_id":"2606.27493","citing_title":"SU(4) Heisenberg model on the hyperhoneycomb lattice","ref_index":59,"is_internal_anchor":false},{"citing_arxiv_id":"2301.04496","citing_title":"Photoinduced pairing in Mott insulators","ref_index":16,"is_internal_anchor":false},{"citing_arxiv_id":"2605.16494","citing_title":"Universal dynamics from a single-particle dark state","ref_index":73,"is_internal_anchor":false},{"citing_arxiv_id":"2509.13528","citing_title":"Evaluating the Limits of QAOA Parameter Transfer at High-Rounds on Sparse Ising Models With Geometrically Local Cubic Terms","ref_index":74,"is_internal_anchor":false},{"citing_arxiv_id":"2511.10891","citing_title":"Anomalous parametric resonance in a spin-1/2 chain: dynamical effects of nontrivial topology","ref_index":40,"is_internal_anchor":false},{"citing_arxiv_id":"2512.05210","citing_title":"A Framework for Quantum Simulations of Energy-Loss and Hadronization in Non-Abelian Gauge Theories: SU(2) Lattice Gauge Theory in 1+1D","ref_index":149,"is_internal_anchor":false},{"citing_arxiv_id":"2605.07887","citing_title":"Shuttling of $\\mathbb{Z}_4$ parafermions in an electronic ladder model","ref_index":23,"is_internal_anchor":false},{"citing_arxiv_id":"2604.05038","citing_title":"Information Propagation in Rydberg Arrays via Analog OTOC Calculations","ref_index":49,"is_internal_anchor":false},{"citing_arxiv_id":"2604.18705","citing_title":"Conformal Data for the $O(2)$ Wilson-Fisher CFT in $(2+1)$-Dimensional Spacetime from Exact Diagonalization and Matrix Product States on the Fuzzy Sphere","ref_index":81,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG","json":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG.json","graph_json":"https://pith.science/api/pith-number/IPQYA7ET7OIHR2IU4ZK4HU3GFG/graph.json","events_json":"https://pith.science/api/pith-number/IPQYA7ET7OIHR2IU4ZK4HU3GFG/events.json","paper":"https://pith.science/paper/IPQYA7ET"},"agent_actions":{"view_html":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG","download_json":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG.json","view_paper":"https://pith.science/paper/IPQYA7ET","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2007.14822&json=true","fetch_graph":"https://pith.science/api/pith-number/IPQYA7ET7OIHR2IU4ZK4HU3GFG/graph.json","fetch_events":"https://pith.science/api/pith-number/IPQYA7ET7OIHR2IU4ZK4HU3GFG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG/action/storage_attestation","attest_author":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG/action/author_attestation","sign_citation":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG/action/citation_signature","submit_replication":"https://pith.science/pith/IPQYA7ET7OIHR2IU4ZK4HU3GFG/action/replication_record"}},"created_at":"2026-07-05T05:47:54.288009+00:00","updated_at":"2026-07-05T05:47:54.288009+00:00"}