{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:CBSAK3J5C67NVGFHUCUFJIHJVI","short_pith_number":"pith:CBSAK3J5","canonical_record":{"source":{"id":"2605.28937","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-27T18:00:02Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"c07619ab27a2e2b41c521810f31c59688f6de6ebe73f110de341c9862b43ba31","abstract_canon_sha256":"343e356c13123c45cf1b47efd23b6448558198b90dadffa3ad660dec79c5733e"},"schema_version":"1.0"},"canonical_sha256":"1064056d3d17beda98a7a0a854a0e9aa13c26f90c9d773ec8cc215ea771401db","source":{"kind":"arxiv","id":"2605.28937","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.28937","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"arxiv_version","alias_value":"2605.28937v1","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.28937","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"pith_short_12","alias_value":"CBSAK3J5C67N","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"pith_short_16","alias_value":"CBSAK3J5C67NVGFH","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"pith_short_8","alias_value":"CBSAK3J5","created_at":"2026-05-29T00:04:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:CBSAK3J5C67NVGFHUCUFJIHJVI","target":"record","payload":{"canonical_record":{"source":{"id":"2605.28937","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-27T18:00:02Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"c07619ab27a2e2b41c521810f31c59688f6de6ebe73f110de341c9862b43ba31","abstract_canon_sha256":"343e356c13123c45cf1b47efd23b6448558198b90dadffa3ad660dec79c5733e"},"schema_version":"1.0"},"canonical_sha256":"1064056d3d17beda98a7a0a854a0e9aa13c26f90c9d773ec8cc215ea771401db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T00:04:17.175458Z","signature_b64":"jZGdI4RGeENLxGG6aWpS3GxyxFjsMVw5KUmPlgG+wWXsMqRAXSYQy7qI1heqkNiX2/V5vEy3oJF4mCFeQnJZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1064056d3d17beda98a7a0a854a0e9aa13c26f90c9d773ec8cc215ea771401db","last_reissued_at":"2026-05-29T00:04:17.174929Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T00:04:17.174929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.28937","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":"2026-05-29T00:04:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z5JdOC4DZ93zB7g5hyHYVnSbbNHK+WGY5xFqZOmvcCLYgc0MbpHEKk/jN4x1s7iIzmOxyMbqN4r6MfMzWUKsCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T02:36:49.828143Z"},"content_sha256":"dd068f39d3c60f26e999d39dbd0ebf353b389606b7b1415f6493f63df3cf1fc9","schema_version":"1.0","event_id":"sha256:dd068f39d3c60f26e999d39dbd0ebf353b389606b7b1415f6493f63df3cf1fc9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:CBSAK3J5C67NVGFHUCUFJIHJVI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Controlled Loop Expansion for Strained Twisted Bilayer Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Erez Berg, Eyal Keshet, Yaar Vituri","submitted_at":"2026-05-27T18:00:02Z","abstract_excerpt":"We develop a controlled diagrammatic framework for periodic Anderson models,and apply it to heterostrained magic-angle twisted bilayer graphene (MATBG) at charge neutrality using the topological heavy-fermion formulation. Building on arXiv:2604.14278, we organize self-energy insertions and perform a Dyson resummation to any order in the small parameter $s^2$ -- the fraction of the moir\\'e Brillouin zone with nontrivial quantum geometry. For strained MATBG, the expansion remains controlled down to arbitrarily low temperatures as long as the strain induced energy scale is not too small. In the f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.28937","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.28937/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":"2026-05-29T00:04:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xkAak0NjRe2Yt2uELea0zQlZ64XmD6Ra8ceKm1kq+t5Kv1z6v9w74BhJofIG9GAS4dtWiXxqjlPsatjZL6Y+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T02:36:49.828538Z"},"content_sha256":"80e77fd8b9804f4394233b1a79bfd1ac33ad6cd93e61ccf697ceba68c5b450da","schema_version":"1.0","event_id":"sha256:80e77fd8b9804f4394233b1a79bfd1ac33ad6cd93e61ccf697ceba68c5b450da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CBSAK3J5C67NVGFHUCUFJIHJVI/bundle.json","state_url":"https://pith.science/pith/CBSAK3J5C67NVGFHUCUFJIHJVI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CBSAK3J5C67NVGFHUCUFJIHJVI/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":"2026-07-01T02:36:49Z","links":{"resolver":"https://pith.science/pith/CBSAK3J5C67NVGFHUCUFJIHJVI","bundle":"https://pith.science/pith/CBSAK3J5C67NVGFHUCUFJIHJVI/bundle.json","state":"https://pith.science/pith/CBSAK3J5C67NVGFHUCUFJIHJVI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CBSAK3J5C67NVGFHUCUFJIHJVI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CBSAK3J5C67NVGFHUCUFJIHJVI","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":"343e356c13123c45cf1b47efd23b6448558198b90dadffa3ad660dec79c5733e","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-27T18:00:02Z","title_canon_sha256":"c07619ab27a2e2b41c521810f31c59688f6de6ebe73f110de341c9862b43ba31"},"schema_version":"1.0","source":{"id":"2605.28937","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.28937","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"arxiv_version","alias_value":"2605.28937v1","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.28937","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"pith_short_12","alias_value":"CBSAK3J5C67N","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"pith_short_16","alias_value":"CBSAK3J5C67NVGFH","created_at":"2026-05-29T00:04:17Z"},{"alias_kind":"pith_short_8","alias_value":"CBSAK3J5","created_at":"2026-05-29T00:04:17Z"}],"graph_snapshots":[{"event_id":"sha256:80e77fd8b9804f4394233b1a79bfd1ac33ad6cd93e61ccf697ceba68c5b450da","target":"graph","created_at":"2026-05-29T00:04:17Z","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/2605.28937/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We develop a controlled diagrammatic framework for periodic Anderson models,and apply it to heterostrained magic-angle twisted bilayer graphene (MATBG) at charge neutrality using the topological heavy-fermion formulation. Building on arXiv:2604.14278, we organize self-energy insertions and perform a Dyson resummation to any order in the small parameter $s^2$ -- the fraction of the moir\\'e Brillouin zone with nontrivial quantum geometry. For strained MATBG, the expansion remains controlled down to arbitrarily low temperatures as long as the strain induced energy scale is not too small. In the f","authors_text":"Erez Berg, Eyal Keshet, Yaar Vituri","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-27T18:00:02Z","title":"Controlled Loop Expansion for Strained Twisted Bilayer Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.28937","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:dd068f39d3c60f26e999d39dbd0ebf353b389606b7b1415f6493f63df3cf1fc9","target":"record","created_at":"2026-05-29T00:04:17Z","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":"343e356c13123c45cf1b47efd23b6448558198b90dadffa3ad660dec79c5733e","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-27T18:00:02Z","title_canon_sha256":"c07619ab27a2e2b41c521810f31c59688f6de6ebe73f110de341c9862b43ba31"},"schema_version":"1.0","source":{"id":"2605.28937","kind":"arxiv","version":1}},"canonical_sha256":"1064056d3d17beda98a7a0a854a0e9aa13c26f90c9d773ec8cc215ea771401db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1064056d3d17beda98a7a0a854a0e9aa13c26f90c9d773ec8cc215ea771401db","first_computed_at":"2026-05-29T00:04:17.174929Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T00:04:17.174929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jZGdI4RGeENLxGG6aWpS3GxyxFjsMVw5KUmPlgG+wWXsMqRAXSYQy7qI1heqkNiX2/V5vEy3oJF4mCFeQnJZAQ==","signature_status":"signed_v1","signed_at":"2026-05-29T00:04:17.175458Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.28937","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd068f39d3c60f26e999d39dbd0ebf353b389606b7b1415f6493f63df3cf1fc9","sha256:80e77fd8b9804f4394233b1a79bfd1ac33ad6cd93e61ccf697ceba68c5b450da"],"state_sha256":"43bb41d470861b08c5d04c82461b011ea06158ffdfdb0f67ba4b31b0f6225e28"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FJJzVts0hqyXph/in21GPmvObFnb3wGZKVkT7dPuHRGEqyWLKfP9C9m6bxT7dDiSGCePndQcZNtOWsQbNZw7DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T02:36:49.830553Z","bundle_sha256":"9e5aa09310bb9403b0e95e184db5048385793c8eb8232014503b87b9c2ec2fdc"}}