{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4ICIAUTJFHVUNFCS3NEWDW22NF","short_pith_number":"pith:4ICIAUTJ","canonical_record":{"source":{"id":"2202.03451","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-02-07T19:00:13Z","cross_cats_sorted":["hep-lat","quant-ph"],"title_canon_sha256":"9c5cc3db79fb91d722172df540801586ed60fbca4f66a2c614757a6443249e21","abstract_canon_sha256":"622947716ecefee2e4c0f7577683772e9181626284441001ba371f48b363440a"},"schema_version":"1.0"},"canonical_sha256":"e20480526929eb469452db4961db5a6966dc75166ca1d9b80075880541c77ffa","source":{"kind":"arxiv","id":"2202.03451","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.03451","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"arxiv_version","alias_value":"2202.03451v3","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.03451","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"pith_short_12","alias_value":"4ICIAUTJFHVU","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"pith_short_16","alias_value":"4ICIAUTJFHVUNFCS","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"pith_short_8","alias_value":"4ICIAUTJ","created_at":"2026-07-05T04:20:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4ICIAUTJFHVUNFCS3NEWDW22NF","target":"record","payload":{"canonical_record":{"source":{"id":"2202.03451","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-02-07T19:00:13Z","cross_cats_sorted":["hep-lat","quant-ph"],"title_canon_sha256":"9c5cc3db79fb91d722172df540801586ed60fbca4f66a2c614757a6443249e21","abstract_canon_sha256":"622947716ecefee2e4c0f7577683772e9181626284441001ba371f48b363440a"},"schema_version":"1.0"},"canonical_sha256":"e20480526929eb469452db4961db5a6966dc75166ca1d9b80075880541c77ffa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:20:44.475025Z","signature_b64":"aN0jrXIPTtHVSAacAB/2Tj4dGhI0qgQ1PtkoYGOzeB7kCK45VMIPRxK9LjLm5r1LSMICrLRJfOOUL/H0BCYvCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e20480526929eb469452db4961db5a6966dc75166ca1d9b80075880541c77ffa","last_reissued_at":"2026-07-05T04:20:44.474641Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:20:44.474641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.03451","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:20:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3FM1JPFraUMjV/JSRxTEZdjmHcKcM4elLbazKF96jxUlOCBGi351VW5vC7CRgu/AooEzJvzVVPO5JiI77DHCAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T16:20:53.937009Z"},"content_sha256":"463b66ebdcb0de922521780aad4d0bc4068d77b533a7a49e2065f4324914587b","schema_version":"1.0","event_id":"sha256:463b66ebdcb0de922521780aad4d0bc4068d77b533a7a49e2065f4324914587b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4ICIAUTJFHVUNFCS3NEWDW22NF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scars from protected zero modes and beyond in $U(1)$ quantum link and quantum dimer models","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-lat","quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Arnab Sen, Debasish Banerjee, Saptarshi Biswas","submitted_at":"2022-02-07T19:00:13Z","abstract_excerpt":"We demonstrate the presence of anomalous high-energy eigenstates, or many-body scars, in $U(1)$ quantum link and quantum dimer models on square and rectangular lattices. In particular, we consider the paradigmatic Rokhsar-Kivelson Hamiltonian $H=\\mathcal{O}_{\\mathrm{kin}} + \\lambda \\mathcal{O}_{\\mathrm{pot}}$ where $\\mathcal{O}_{\\mathrm{pot}}$ ($\\mathcal{O}_{\\mathrm{kin}}$) is defined as a sum of terms on elementary plaquettes that are diagonal (off-diagonal) in the computational basis. Both these interacting models possess an exponentially large number of mid-spectrum zero modes in system siz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.03451","kind":"arxiv","version":3},"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/2202.03451/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:20:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aTtW90hQvaQVQSzNzAJUTVfjM0PqXzks3Xbdew9r7ADsccXnC7WJ6OsxxIIG6oNnBz3Kxv1x96C82ReBNbnHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T16:20:53.937967Z"},"content_sha256":"b914b23fddcc23416ab784236da82fe5b64aed77da706c9f1df94434c42b644f","schema_version":"1.0","event_id":"sha256:b914b23fddcc23416ab784236da82fe5b64aed77da706c9f1df94434c42b644f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ICIAUTJFHVUNFCS3NEWDW22NF/bundle.json","state_url":"https://pith.science/pith/4ICIAUTJFHVUNFCS3NEWDW22NF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ICIAUTJFHVUNFCS3NEWDW22NF/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":"2026-08-08T16:20:53Z","links":{"resolver":"https://pith.science/pith/4ICIAUTJFHVUNFCS3NEWDW22NF","bundle":"https://pith.science/pith/4ICIAUTJFHVUNFCS3NEWDW22NF/bundle.json","state":"https://pith.science/pith/4ICIAUTJFHVUNFCS3NEWDW22NF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ICIAUTJFHVUNFCS3NEWDW22NF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4ICIAUTJFHVUNFCS3NEWDW22NF","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":"622947716ecefee2e4c0f7577683772e9181626284441001ba371f48b363440a","cross_cats_sorted":["hep-lat","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-02-07T19:00:13Z","title_canon_sha256":"9c5cc3db79fb91d722172df540801586ed60fbca4f66a2c614757a6443249e21"},"schema_version":"1.0","source":{"id":"2202.03451","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.03451","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"arxiv_version","alias_value":"2202.03451v3","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.03451","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"pith_short_12","alias_value":"4ICIAUTJFHVU","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"pith_short_16","alias_value":"4ICIAUTJFHVUNFCS","created_at":"2026-07-05T04:20:44Z"},{"alias_kind":"pith_short_8","alias_value":"4ICIAUTJ","created_at":"2026-07-05T04:20:44Z"}],"graph_snapshots":[{"event_id":"sha256:b914b23fddcc23416ab784236da82fe5b64aed77da706c9f1df94434c42b644f","target":"graph","created_at":"2026-07-05T04:20:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2202.03451/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate the presence of anomalous high-energy eigenstates, or many-body scars, in $U(1)$ quantum link and quantum dimer models on square and rectangular lattices. In particular, we consider the paradigmatic Rokhsar-Kivelson Hamiltonian $H=\\mathcal{O}_{\\mathrm{kin}} + \\lambda \\mathcal{O}_{\\mathrm{pot}}$ where $\\mathcal{O}_{\\mathrm{pot}}$ ($\\mathcal{O}_{\\mathrm{kin}}$) is defined as a sum of terms on elementary plaquettes that are diagonal (off-diagonal) in the computational basis. Both these interacting models possess an exponentially large number of mid-spectrum zero modes in system siz","authors_text":"Arnab Sen, Debasish Banerjee, Saptarshi Biswas","cross_cats":["hep-lat","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-02-07T19:00:13Z","title":"Scars from protected zero modes and beyond in $U(1)$ quantum link and quantum dimer models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.03451","kind":"arxiv","version":3},"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":"sha256:463b66ebdcb0de922521780aad4d0bc4068d77b533a7a49e2065f4324914587b","target":"record","created_at":"2026-07-05T04:20:44Z","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":"622947716ecefee2e4c0f7577683772e9181626284441001ba371f48b363440a","cross_cats_sorted":["hep-lat","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-02-07T19:00:13Z","title_canon_sha256":"9c5cc3db79fb91d722172df540801586ed60fbca4f66a2c614757a6443249e21"},"schema_version":"1.0","source":{"id":"2202.03451","kind":"arxiv","version":3}},"canonical_sha256":"e20480526929eb469452db4961db5a6966dc75166ca1d9b80075880541c77ffa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e20480526929eb469452db4961db5a6966dc75166ca1d9b80075880541c77ffa","first_computed_at":"2026-07-05T04:20:44.474641Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:20:44.474641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aN0jrXIPTtHVSAacAB/2Tj4dGhI0qgQ1PtkoYGOzeB7kCK45VMIPRxK9LjLm5r1LSMICrLRJfOOUL/H0BCYvCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:20:44.475025Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.03451","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:463b66ebdcb0de922521780aad4d0bc4068d77b533a7a49e2065f4324914587b","sha256:b914b23fddcc23416ab784236da82fe5b64aed77da706c9f1df94434c42b644f"],"state_sha256":"6b05d7c5b2fe357b417a3787eaa48921e1ddcb2c7b890311c8907080c8d5ad12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AdFibkSM7jWJLksFkI7BOSn2LFLNr0YklahXUftEnfwHNz/x+C80/O/1jtfIo0dVRXFNjjOAVktF5ySDRruUAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T16:20:53.944326Z","bundle_sha256":"2ed4bc11afaf83408a63b7efc56af0ec5ace8df93c184cd6706e722f5aad1081"}}