{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4XRTFTAUSZNQWDDGYLTH762QZN","short_pith_number":"pith:4XRTFTAU","canonical_record":{"source":{"id":"2212.02204","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-05T12:26:20Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"title_canon_sha256":"41d02f0d68a9d63c229f708a0fe5538d9ed5f62da735fc2e1704baa3cd99742e","abstract_canon_sha256":"467478ab3624cb65b203f6f5dcf11eed9cdf9b2141b20d1fb74b3b1995e41971"},"schema_version":"1.0"},"canonical_sha256":"e5e332cc14965b0b0c66c2e67ffb50cb454802427a428be7070e93b7246703cf","source":{"kind":"arxiv","id":"2212.02204","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.02204","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"arxiv_version","alias_value":"2212.02204v2","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.02204","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"pith_short_12","alias_value":"4XRTFTAUSZNQ","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"pith_short_16","alias_value":"4XRTFTAUSZNQWDDG","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"pith_short_8","alias_value":"4XRTFTAU","created_at":"2026-07-05T06:31:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4XRTFTAUSZNQWDDGYLTH762QZN","target":"record","payload":{"canonical_record":{"source":{"id":"2212.02204","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-05T12:26:20Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"title_canon_sha256":"41d02f0d68a9d63c229f708a0fe5538d9ed5f62da735fc2e1704baa3cd99742e","abstract_canon_sha256":"467478ab3624cb65b203f6f5dcf11eed9cdf9b2141b20d1fb74b3b1995e41971"},"schema_version":"1.0"},"canonical_sha256":"e5e332cc14965b0b0c66c2e67ffb50cb454802427a428be7070e93b7246703cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:31:30.850305Z","signature_b64":"l2UqICytTjkVwZdl3o3afOxxJoe4IIL0dZ6VOpzlWygA+YP5qb4dNYi8aYMFEpECEEWkFx4a85uAKb8eVy5IAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5e332cc14965b0b0c66c2e67ffb50cb454802427a428be7070e93b7246703cf","last_reissued_at":"2026-07-05T06:31:30.849806Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:31:30.849806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.02204","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:31:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nw0cZDP4It5iDqtwLWRe7mv4napy9tU2sXtsg3G1uj2kfgq13XBXNs2Omc7/U89Gwf9Vqe7Mnrp1fCceeLSCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:29:11.413803Z"},"content_sha256":"9b83823e697f72d8a48d3b8569bf5594a2608d5a60401caf5396f6d134a8a0ba","schema_version":"1.0","event_id":"sha256:9b83823e697f72d8a48d3b8569bf5594a2608d5a60401caf5396f6d134a8a0ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4XRTFTAUSZNQWDDGYLTH762QZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Can neural quantum states learn volume-law ground states?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"Damian Hofmann, Dante M. Kennes, Giacomo Passetti, Lukas Grunwald, Michael A. Sentef, Pit Neitemeier","submitted_at":"2022-12-05T12:26:20Z","abstract_excerpt":"We study whether neural quantum states based on multi-layer feed-forward networks can find ground states which exhibit volume-law entanglement entropy. As a testbed, we employ the paradigmatic Sachdev-Ye-Kitaev model. We find that both shallow and deep feed-forward networks require an exponential number of parameters in order to represent the ground state of this model. This demonstrates that sufficiently complicated quantum states, although being physical solutions to relevant models and not pathological cases, can still be difficult to learn to the point of intractability at larger system si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.02204","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/2212.02204/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":"2026-07-05T06:31:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DHKgMuagkSUc0qj9DmJVp7+Afzf5ZrO4EhaixxpWPRl2uQcKgQpKSXvr/w5zoRnUJihSMEU82opgxNHinQmJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:29:11.414194Z"},"content_sha256":"0f006ef1cecc005e882376d7680112dcc5d85e07df27f4b181c7b80580642b06","schema_version":"1.0","event_id":"sha256:0f006ef1cecc005e882376d7680112dcc5d85e07df27f4b181c7b80580642b06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4XRTFTAUSZNQWDDGYLTH762QZN/bundle.json","state_url":"https://pith.science/pith/4XRTFTAUSZNQWDDGYLTH762QZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4XRTFTAUSZNQWDDGYLTH762QZN/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":"2026-08-17T03:29:11Z","links":{"resolver":"https://pith.science/pith/4XRTFTAUSZNQWDDGYLTH762QZN","bundle":"https://pith.science/pith/4XRTFTAUSZNQWDDGYLTH762QZN/bundle.json","state":"https://pith.science/pith/4XRTFTAUSZNQWDDGYLTH762QZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4XRTFTAUSZNQWDDGYLTH762QZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4XRTFTAUSZNQWDDGYLTH762QZN","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":"467478ab3624cb65b203f6f5dcf11eed9cdf9b2141b20d1fb74b3b1995e41971","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-05T12:26:20Z","title_canon_sha256":"41d02f0d68a9d63c229f708a0fe5538d9ed5f62da735fc2e1704baa3cd99742e"},"schema_version":"1.0","source":{"id":"2212.02204","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.02204","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"arxiv_version","alias_value":"2212.02204v2","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.02204","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"pith_short_12","alias_value":"4XRTFTAUSZNQ","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"pith_short_16","alias_value":"4XRTFTAUSZNQWDDG","created_at":"2026-07-05T06:31:30Z"},{"alias_kind":"pith_short_8","alias_value":"4XRTFTAU","created_at":"2026-07-05T06:31:30Z"}],"graph_snapshots":[{"event_id":"sha256:0f006ef1cecc005e882376d7680112dcc5d85e07df27f4b181c7b80580642b06","target":"graph","created_at":"2026-07-05T06:31:30Z","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/2212.02204/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study whether neural quantum states based on multi-layer feed-forward networks can find ground states which exhibit volume-law entanglement entropy. As a testbed, we employ the paradigmatic Sachdev-Ye-Kitaev model. We find that both shallow and deep feed-forward networks require an exponential number of parameters in order to represent the ground state of this model. This demonstrates that sufficiently complicated quantum states, although being physical solutions to relevant models and not pathological cases, can still be difficult to learn to the point of intractability at larger system si","authors_text":"Damian Hofmann, Dante M. Kennes, Giacomo Passetti, Lukas Grunwald, Michael A. Sentef, Pit Neitemeier","cross_cats":["cond-mat.dis-nn","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-05T12:26:20Z","title":"Can neural quantum states learn volume-law ground states?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.02204","kind":"arxiv","version":2},"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":"sha256:9b83823e697f72d8a48d3b8569bf5594a2608d5a60401caf5396f6d134a8a0ba","target":"record","created_at":"2026-07-05T06:31:30Z","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":"467478ab3624cb65b203f6f5dcf11eed9cdf9b2141b20d1fb74b3b1995e41971","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-05T12:26:20Z","title_canon_sha256":"41d02f0d68a9d63c229f708a0fe5538d9ed5f62da735fc2e1704baa3cd99742e"},"schema_version":"1.0","source":{"id":"2212.02204","kind":"arxiv","version":2}},"canonical_sha256":"e5e332cc14965b0b0c66c2e67ffb50cb454802427a428be7070e93b7246703cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5e332cc14965b0b0c66c2e67ffb50cb454802427a428be7070e93b7246703cf","first_computed_at":"2026-07-05T06:31:30.849806Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:31:30.849806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l2UqICytTjkVwZdl3o3afOxxJoe4IIL0dZ6VOpzlWygA+YP5qb4dNYi8aYMFEpECEEWkFx4a85uAKb8eVy5IAw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:31:30.850305Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.02204","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b83823e697f72d8a48d3b8569bf5594a2608d5a60401caf5396f6d134a8a0ba","sha256:0f006ef1cecc005e882376d7680112dcc5d85e07df27f4b181c7b80580642b06"],"state_sha256":"61f6742325602830e6344c05bd1180297665707dda98922e611e3079dec50099"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KUnGDZygMVWOhFlqcFj2dqRwLrrn0kwFB2HHJxG+WmAo6QMAggoUEuH4jw/S/kfxxRxuCnhwUbu3onW414wEAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T03:29:11.416558Z","bundle_sha256":"009fa503a965fb74171a9e26cdcca82a598f7c63a1eb13e3fb9b6eaf6249ab17"}}