{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:YPDNR633MIFKNCQQJBTQXKV2MJ","short_pith_number":"pith:YPDNR633","canonical_record":{"source":{"id":"2607.01336","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-01T18:00:11Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","cs.AI","cs.LG"],"title_canon_sha256":"ff852040791be57f73a989416fa698199ff8c7a15c051a8554695ec07ff98afd","abstract_canon_sha256":"0e36b4d001c35239d7f77f3ffa9ad905b98ddb23cf66d622d9e20b0bee676769"},"schema_version":"1.0"},"canonical_sha256":"c3c6d8fb7b620aa68a1048670baaba6257dd81792e84284a8607ef1c88eaaa91","source":{"kind":"arxiv","id":"2607.01336","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01336","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01336v1","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01336","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"pith_short_12","alias_value":"YPDNR633MIFK","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"pith_short_16","alias_value":"YPDNR633MIFKNCQQ","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"pith_short_8","alias_value":"YPDNR633","created_at":"2026-07-03T00:16:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:YPDNR633MIFKNCQQJBTQXKV2MJ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.01336","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-01T18:00:11Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","cs.AI","cs.LG"],"title_canon_sha256":"ff852040791be57f73a989416fa698199ff8c7a15c051a8554695ec07ff98afd","abstract_canon_sha256":"0e36b4d001c35239d7f77f3ffa9ad905b98ddb23cf66d622d9e20b0bee676769"},"schema_version":"1.0"},"canonical_sha256":"c3c6d8fb7b620aa68a1048670baaba6257dd81792e84284a8607ef1c88eaaa91","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T00:16:57.760102Z","signature_b64":"2ldiwhnfDK7Xp/JuBYHk7/xkbQjB/kEAAPG1muL1g7uMvwCSxFhIHexnxEHIwGgpngGH0E939vKQxnWjvMq0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3c6d8fb7b620aa68a1048670baaba6257dd81792e84284a8607ef1c88eaaa91","last_reissued_at":"2026-07-03T00:16:57.759766Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T00:16:57.759766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.01336","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":"2026-07-03T00:16:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gHPYpuzD0zBCITXHUwUWgXwkT0sBjFgH3hek6qgFzZaHLRWB7fMbjE92+sZzMW5LhkT8Wy/sHZNo6K2qeCSiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T08:17:36.483869Z"},"content_sha256":"082b2c22a94e1b95e6550f024ea1b75b33140db9363fdb6c734c61d7130a9c99","schema_version":"1.0","event_id":"sha256:082b2c22a94e1b95e6550f024ea1b75b33140db9363fdb6c734c61d7130a9c99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:YPDNR633MIFKNCQQJBTQXKV2MJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mechanistic Interpretability and Causal Feature Steering of Neural Quantum States via Sparse Autoencoders","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.str-el","cs.AI","cs.LG"],"primary_cat":"quant-ph","authors_text":"Christopher Earls, Zihao Qi","submitted_at":"2026-07-01T18:00:11Z","abstract_excerpt":"Neural Quantum States (NQS) are a remarkably expressive class of variational ans\\\"atze for quantum many-body wavefunctions, yet little is understood about their internal mechanisms: trained on variational objectives alone, how do NQS accurately capture physical observables that they have never been explicitly optimized for? In this work, we present a systematic approach to analyze the internal activations of NQS using sparse autoencoders. We extract features from the residual stream and demonstrate that these features strongly correlate with physical observables such as order parameters, stagg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01336","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/2607.01336/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":"2026-07-03T00:16:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/fT/x84X3zDK6i/Zo8ZgZviaKm40NDqesQq7HcsevbFzsLAWu7m0jP3VOKr4XelYdV5T+DWcuus1TJEjuPNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T08:17:36.484257Z"},"content_sha256":"cbf3463ba2329d1304199a0f1d53b48e8a02acb2b28c944981eef9608cb4b8a9","schema_version":"1.0","event_id":"sha256:cbf3463ba2329d1304199a0f1d53b48e8a02acb2b28c944981eef9608cb4b8a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YPDNR633MIFKNCQQJBTQXKV2MJ/bundle.json","state_url":"https://pith.science/pith/YPDNR633MIFKNCQQJBTQXKV2MJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YPDNR633MIFKNCQQJBTQXKV2MJ/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":"2026-07-04T08:17:36Z","links":{"resolver":"https://pith.science/pith/YPDNR633MIFKNCQQJBTQXKV2MJ","bundle":"https://pith.science/pith/YPDNR633MIFKNCQQJBTQXKV2MJ/bundle.json","state":"https://pith.science/pith/YPDNR633MIFKNCQQJBTQXKV2MJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YPDNR633MIFKNCQQJBTQXKV2MJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YPDNR633MIFKNCQQJBTQXKV2MJ","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":"0e36b4d001c35239d7f77f3ffa9ad905b98ddb23cf66d622d9e20b0bee676769","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","cs.AI","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-01T18:00:11Z","title_canon_sha256":"ff852040791be57f73a989416fa698199ff8c7a15c051a8554695ec07ff98afd"},"schema_version":"1.0","source":{"id":"2607.01336","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01336","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01336v1","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01336","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"pith_short_12","alias_value":"YPDNR633MIFK","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"pith_short_16","alias_value":"YPDNR633MIFKNCQQ","created_at":"2026-07-03T00:16:57Z"},{"alias_kind":"pith_short_8","alias_value":"YPDNR633","created_at":"2026-07-03T00:16:57Z"}],"graph_snapshots":[{"event_id":"sha256:cbf3463ba2329d1304199a0f1d53b48e8a02acb2b28c944981eef9608cb4b8a9","target":"graph","created_at":"2026-07-03T00:16:57Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.01336/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Neural Quantum States (NQS) are a remarkably expressive class of variational ans\\\"atze for quantum many-body wavefunctions, yet little is understood about their internal mechanisms: trained on variational objectives alone, how do NQS accurately capture physical observables that they have never been explicitly optimized for? In this work, we present a systematic approach to analyze the internal activations of NQS using sparse autoencoders. We extract features from the residual stream and demonstrate that these features strongly correlate with physical observables such as order parameters, stagg","authors_text":"Christopher Earls, Zihao Qi","cross_cats":["cond-mat.dis-nn","cond-mat.str-el","cs.AI","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-01T18:00:11Z","title":"Mechanistic Interpretability and Causal Feature Steering of Neural Quantum States via Sparse Autoencoders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01336","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":"sha256:082b2c22a94e1b95e6550f024ea1b75b33140db9363fdb6c734c61d7130a9c99","target":"record","created_at":"2026-07-03T00:16:57Z","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":"0e36b4d001c35239d7f77f3ffa9ad905b98ddb23cf66d622d9e20b0bee676769","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el","cs.AI","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-01T18:00:11Z","title_canon_sha256":"ff852040791be57f73a989416fa698199ff8c7a15c051a8554695ec07ff98afd"},"schema_version":"1.0","source":{"id":"2607.01336","kind":"arxiv","version":1}},"canonical_sha256":"c3c6d8fb7b620aa68a1048670baaba6257dd81792e84284a8607ef1c88eaaa91","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3c6d8fb7b620aa68a1048670baaba6257dd81792e84284a8607ef1c88eaaa91","first_computed_at":"2026-07-03T00:16:57.759766Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T00:16:57.759766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2ldiwhnfDK7Xp/JuBYHk7/xkbQjB/kEAAPG1muL1g7uMvwCSxFhIHexnxEHIwGgpngGH0E939vKQxnWjvMq0Bw==","signature_status":"signed_v1","signed_at":"2026-07-03T00:16:57.760102Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.01336","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:082b2c22a94e1b95e6550f024ea1b75b33140db9363fdb6c734c61d7130a9c99","sha256:cbf3463ba2329d1304199a0f1d53b48e8a02acb2b28c944981eef9608cb4b8a9"],"state_sha256":"c8ee0def0fad054db10a05b041092c5c747a0454daeda2318c715a67f91909f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/IhF0gqMyPPaFc31OzUFTsFbFD+AB5B+FZfXNIvtYwqbsdh7RzU/savPenBb+Dm5X1PTj6BS43H9QMrFfz5iDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T08:17:36.486237Z","bundle_sha256":"4148de8a56db0cb0c69e1aa566c2a2385b258a5e0ea30ff287dca19e963967ea"}}