{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IB6SR37BWMXD4ATBXNEXVQK52P","short_pith_number":"pith:IB6SR37B","canonical_record":{"source":{"id":"1611.01458","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-04T17:22:39Z","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"title_canon_sha256":"2a763b6d9e0fde87a9b11a8c1c5337ac425bab581ec7e083d94871f06ab64c7f","abstract_canon_sha256":"677ca9af55136177535dd5df84d970e63a41db3e3565a1f9e33d217f1478e3b0"},"schema_version":"1.0"},"canonical_sha256":"407d28efe1b32e3e0261bb497ac15dd3e56edaa887b155ba96995d009b12736d","source":{"kind":"arxiv","id":"1611.01458","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01458","created_at":"2026-05-18T01:00:10Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01458v1","created_at":"2026-05-18T01:00:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01458","created_at":"2026-05-18T01:00:10Z"},{"alias_kind":"pith_short_12","alias_value":"IB6SR37BWMXD","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IB6SR37BWMXD4ATB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IB6SR37B","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IB6SR37BWMXD4ATBXNEXVQK52P","target":"record","payload":{"canonical_record":{"source":{"id":"1611.01458","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-04T17:22:39Z","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"title_canon_sha256":"2a763b6d9e0fde87a9b11a8c1c5337ac425bab581ec7e083d94871f06ab64c7f","abstract_canon_sha256":"677ca9af55136177535dd5df84d970e63a41db3e3565a1f9e33d217f1478e3b0"},"schema_version":"1.0"},"canonical_sha256":"407d28efe1b32e3e0261bb497ac15dd3e56edaa887b155ba96995d009b12736d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:10.941365Z","signature_b64":"hhDDG5qIaSrkMOU3YnsfLA7XvIz1bzjriC245PBEiqCxB14yjplnDTbjb6tRjDHxenxNlUHna+4+f4uHxjfJDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"407d28efe1b32e3e0261bb497ac15dd3e56edaa887b155ba96995d009b12736d","last_reissued_at":"2026-05-18T01:00:10.940676Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:10.940676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.01458","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":"2026-05-18T01:00:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LQleRRxzw3KZ8O90Pt9+SkQA0+aIAHWrjtlYjJMa+81ce2GpsAVs8kdjd3chgUvawPJRf8toU+ySAUQUDnhaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:26:36.850796Z"},"content_sha256":"a09d607f75ce87377e176bd30b94e70f7aba82bbdc80df1f64356f3fb04ab68d","schema_version":"1.0","event_id":"sha256:a09d607f75ce87377e176bd30b94e70f7aba82bbdc80df1f64356f3fb04ab68d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IB6SR37BWMXD4ATBXNEXVQK52P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The multi-flavor Schwinger model with chemical potential - Overcoming the sign problem with Matrix Product States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","quant-ph"],"primary_cat":"hep-lat","authors_text":"Hana Saito, J. Ignacio Cirac, Karl Jansen, Krzysztof Cichy, Mari Carmen Ba\\~nuls, Stefan K\\\"uhn","submitted_at":"2016-11-04T17:22:39Z","abstract_excerpt":"During recent years there has been an increasing interest in the application of matrix product states, and more generally tensor networks, to lattice gauge theories. This non-perturbative method is sign problem free and has already been successfully used to compute mass spectra, thermal states and phase diagrams, as well as real-time dynamics for Abelian and non-Abelian gauge models. In previous work we showed the suitability of the method to explore the zero-temperature phase structure of the multi-flavor Schwinger model at non-zero chemical potential, a regime where the conventional Monte Ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01458","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":"2026-05-18T01:00:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mhs+Pp7x9HpVqB7Yrqdx42S6djkiubh+ZgddhsziWP236LCPEfut3jJkBXdZgTLy7Q/02NEW0uFs3xpnDSKUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:26:36.851419Z"},"content_sha256":"22309e82b18814069f13b1e22027747d813b72cb34479f1f78ec8685ef71b5e3","schema_version":"1.0","event_id":"sha256:22309e82b18814069f13b1e22027747d813b72cb34479f1f78ec8685ef71b5e3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IB6SR37BWMXD4ATBXNEXVQK52P/bundle.json","state_url":"https://pith.science/pith/IB6SR37BWMXD4ATBXNEXVQK52P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IB6SR37BWMXD4ATBXNEXVQK52P/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":"2026-05-25T09:26:36Z","links":{"resolver":"https://pith.science/pith/IB6SR37BWMXD4ATBXNEXVQK52P","bundle":"https://pith.science/pith/IB6SR37BWMXD4ATBXNEXVQK52P/bundle.json","state":"https://pith.science/pith/IB6SR37BWMXD4ATBXNEXVQK52P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IB6SR37BWMXD4ATBXNEXVQK52P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IB6SR37BWMXD4ATBXNEXVQK52P","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":"677ca9af55136177535dd5df84d970e63a41db3e3565a1f9e33d217f1478e3b0","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-04T17:22:39Z","title_canon_sha256":"2a763b6d9e0fde87a9b11a8c1c5337ac425bab581ec7e083d94871f06ab64c7f"},"schema_version":"1.0","source":{"id":"1611.01458","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01458","created_at":"2026-05-18T01:00:10Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01458v1","created_at":"2026-05-18T01:00:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01458","created_at":"2026-05-18T01:00:10Z"},{"alias_kind":"pith_short_12","alias_value":"IB6SR37BWMXD","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IB6SR37BWMXD4ATB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IB6SR37B","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:22309e82b18814069f13b1e22027747d813b72cb34479f1f78ec8685ef71b5e3","target":"graph","created_at":"2026-05-18T01:00:10Z","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":"During recent years there has been an increasing interest in the application of matrix product states, and more generally tensor networks, to lattice gauge theories. This non-perturbative method is sign problem free and has already been successfully used to compute mass spectra, thermal states and phase diagrams, as well as real-time dynamics for Abelian and non-Abelian gauge models. In previous work we showed the suitability of the method to explore the zero-temperature phase structure of the multi-flavor Schwinger model at non-zero chemical potential, a regime where the conventional Monte Ca","authors_text":"Hana Saito, J. Ignacio Cirac, Karl Jansen, Krzysztof Cichy, Mari Carmen Ba\\~nuls, Stefan K\\\"uhn","cross_cats":["cond-mat.str-el","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-04T17:22:39Z","title":"The multi-flavor Schwinger model with chemical potential - Overcoming the sign problem with Matrix Product States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01458","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:a09d607f75ce87377e176bd30b94e70f7aba82bbdc80df1f64356f3fb04ab68d","target":"record","created_at":"2026-05-18T01:00:10Z","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":"677ca9af55136177535dd5df84d970e63a41db3e3565a1f9e33d217f1478e3b0","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-04T17:22:39Z","title_canon_sha256":"2a763b6d9e0fde87a9b11a8c1c5337ac425bab581ec7e083d94871f06ab64c7f"},"schema_version":"1.0","source":{"id":"1611.01458","kind":"arxiv","version":1}},"canonical_sha256":"407d28efe1b32e3e0261bb497ac15dd3e56edaa887b155ba96995d009b12736d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"407d28efe1b32e3e0261bb497ac15dd3e56edaa887b155ba96995d009b12736d","first_computed_at":"2026-05-18T01:00:10.940676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:10.940676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hhDDG5qIaSrkMOU3YnsfLA7XvIz1bzjriC245PBEiqCxB14yjplnDTbjb6tRjDHxenxNlUHna+4+f4uHxjfJDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:10.941365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.01458","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a09d607f75ce87377e176bd30b94e70f7aba82bbdc80df1f64356f3fb04ab68d","sha256:22309e82b18814069f13b1e22027747d813b72cb34479f1f78ec8685ef71b5e3"],"state_sha256":"6dfe4fc277b64cf6a8c278c2a83c7458c59ad22400e2f56bc6f11e97d087c263"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YcN05ETIUsAcDrsSKP2pOIGJMsZo216n82YW6XHEpA9TE72TDO2k2KY4xyLi9QDSFaGlfIAvwgYibMNRCol+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T09:26:36.854832Z","bundle_sha256":"2175e38f0d7fef5e30ed461a3f351790560f67ca7e18ce15c0f89f32d5764aad"}}