{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:H3BEETKJIGJRDLZJWX4KETR6RS","short_pith_number":"pith:H3BEETKJ","canonical_record":{"source":{"id":"1712.01850","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-12-05T19:00:04Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"459eb81dbf9a1c82c8064d070fab9e1d0f07d0c27aa4b6708c92153f082a071c","abstract_canon_sha256":"b60f016ed52893f9888adff840dfe0deef1feb6be7db79208f4d717c0454ddbe"},"schema_version":"1.0"},"canonical_sha256":"3ec2424d49419311af29b5f8a24e3e8c9642e820cdc1cdf3dbe85b4d7ccfd46d","source":{"kind":"arxiv","id":"1712.01850","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01850","created_at":"2026-05-17T23:41:13Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01850v2","created_at":"2026-05-17T23:41:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01850","created_at":"2026-05-17T23:41:13Z"},{"alias_kind":"pith_short_12","alias_value":"H3BEETKJIGJR","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"H3BEETKJIGJRDLZJ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"H3BEETKJ","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:H3BEETKJIGJRDLZJWX4KETR6RS","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01850","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-12-05T19:00:04Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"459eb81dbf9a1c82c8064d070fab9e1d0f07d0c27aa4b6708c92153f082a071c","abstract_canon_sha256":"b60f016ed52893f9888adff840dfe0deef1feb6be7db79208f4d717c0454ddbe"},"schema_version":"1.0"},"canonical_sha256":"3ec2424d49419311af29b5f8a24e3e8c9642e820cdc1cdf3dbe85b4d7ccfd46d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:13.368723Z","signature_b64":"fikEUWDD6v5QPpkYjC0F/MLVCX+0m+9Uh2421Z3F5/SuwZlXmNqm0BpKRaYVyi56PsMMmxay4eL2Ve+xLEuUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ec2424d49419311af29b5f8a24e3e8c9642e820cdc1cdf3dbe85b4d7ccfd46d","last_reissued_at":"2026-05-17T23:41:13.368191Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:13.368191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01850","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":"2026-05-17T23:41:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5VP+RBRkWJzxvpv5V7w6BD1HnwBipFqF0NIW4/ZrfPNklJN6UrY+MBMVUtaiQh/Tq5zYg0wgjpn3qGvmvluoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:59:57.504544Z"},"content_sha256":"0bc1b4f9bf5ce165d262c6a1beb16ee56de70ef6def53b4393c21cca0816fd88","schema_version":"1.0","event_id":"sha256:0bc1b4f9bf5ce165d262c6a1beb16ee56de70ef6def53b4393c21cca0816fd88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:H3BEETKJIGJRDLZJWX4KETR6RS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determining a local Hamiltonian from a single eigenstate","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"quant-ph","authors_text":"Daniel Ranard, Xiao-Liang Qi","submitted_at":"2017-12-05T19:00:04Z","abstract_excerpt":"We ask whether the knowledge of a single eigenstate of a local Hamiltonian is sufficient to uniquely determine the Hamiltonian. We present evidence that the answer is \"yes\" for generic local Hamiltonians, given either the ground state or an excited eigenstate. In fact, knowing only the two-point equal-time correlation functions of local observables with respect to the eigenstate should generically be sufficient to exactly recover the Hamiltonian for finite-size systems, with numerical algorithms that run in a time that is polynomial in the system size. We also investigate the large-system limi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01850","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":""},"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":"2026-05-17T23:41:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FSUHKMAulE4jzTaSL0bCJG+b3CNvWph/ihLtlzGTTYnTsGTWRy25iqFZpF8s4xK3VEBGXHD9sKsQQs6x2jc8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:59:57.505210Z"},"content_sha256":"01e586b2bd8dabb4e69a8aba9e7d07bde7d3a55b7cd5f261b8c6aa8601d23c25","schema_version":"1.0","event_id":"sha256:01e586b2bd8dabb4e69a8aba9e7d07bde7d3a55b7cd5f261b8c6aa8601d23c25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H3BEETKJIGJRDLZJWX4KETR6RS/bundle.json","state_url":"https://pith.science/pith/H3BEETKJIGJRDLZJWX4KETR6RS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H3BEETKJIGJRDLZJWX4KETR6RS/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":"2026-05-27T08:59:57Z","links":{"resolver":"https://pith.science/pith/H3BEETKJIGJRDLZJWX4KETR6RS","bundle":"https://pith.science/pith/H3BEETKJIGJRDLZJWX4KETR6RS/bundle.json","state":"https://pith.science/pith/H3BEETKJIGJRDLZJWX4KETR6RS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H3BEETKJIGJRDLZJWX4KETR6RS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:H3BEETKJIGJRDLZJWX4KETR6RS","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":"b60f016ed52893f9888adff840dfe0deef1feb6be7db79208f4d717c0454ddbe","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-12-05T19:00:04Z","title_canon_sha256":"459eb81dbf9a1c82c8064d070fab9e1d0f07d0c27aa4b6708c92153f082a071c"},"schema_version":"1.0","source":{"id":"1712.01850","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01850","created_at":"2026-05-17T23:41:13Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01850v2","created_at":"2026-05-17T23:41:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01850","created_at":"2026-05-17T23:41:13Z"},{"alias_kind":"pith_short_12","alias_value":"H3BEETKJIGJR","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"H3BEETKJIGJRDLZJ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"H3BEETKJ","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:01e586b2bd8dabb4e69a8aba9e7d07bde7d3a55b7cd5f261b8c6aa8601d23c25","target":"graph","created_at":"2026-05-17T23:41:13Z","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":"We ask whether the knowledge of a single eigenstate of a local Hamiltonian is sufficient to uniquely determine the Hamiltonian. We present evidence that the answer is \"yes\" for generic local Hamiltonians, given either the ground state or an excited eigenstate. In fact, knowing only the two-point equal-time correlation functions of local observables with respect to the eigenstate should generically be sufficient to exactly recover the Hamiltonian for finite-size systems, with numerical algorithms that run in a time that is polynomial in the system size. We also investigate the large-system limi","authors_text":"Daniel Ranard, Xiao-Liang Qi","cross_cats":["cond-mat.other"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-12-05T19:00:04Z","title":"Determining a local Hamiltonian from a single eigenstate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01850","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":"sha256:0bc1b4f9bf5ce165d262c6a1beb16ee56de70ef6def53b4393c21cca0816fd88","target":"record","created_at":"2026-05-17T23:41:13Z","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":"b60f016ed52893f9888adff840dfe0deef1feb6be7db79208f4d717c0454ddbe","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-12-05T19:00:04Z","title_canon_sha256":"459eb81dbf9a1c82c8064d070fab9e1d0f07d0c27aa4b6708c92153f082a071c"},"schema_version":"1.0","source":{"id":"1712.01850","kind":"arxiv","version":2}},"canonical_sha256":"3ec2424d49419311af29b5f8a24e3e8c9642e820cdc1cdf3dbe85b4d7ccfd46d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ec2424d49419311af29b5f8a24e3e8c9642e820cdc1cdf3dbe85b4d7ccfd46d","first_computed_at":"2026-05-17T23:41:13.368191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:13.368191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fikEUWDD6v5QPpkYjC0F/MLVCX+0m+9Uh2421Z3F5/SuwZlXmNqm0BpKRaYVyi56PsMMmxay4eL2Ve+xLEuUAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:13.368723Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01850","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0bc1b4f9bf5ce165d262c6a1beb16ee56de70ef6def53b4393c21cca0816fd88","sha256:01e586b2bd8dabb4e69a8aba9e7d07bde7d3a55b7cd5f261b8c6aa8601d23c25"],"state_sha256":"3b2da945524194cc89724a1b5e406e02f716034881a02ad9ef308a31ef636ef8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q1lyununTCBvxPZyYVjNhIUb8Op9m0d571oa88NlmKGM0WHAkmfiOksIuOpT4ndwhS0FmtHGSj+QKUhKve+1CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:59:57.508759Z","bundle_sha256":"a0c45d4529f969b57984746f4f357b67b7fa8a52fd21233cb76ab2e3fe174e10"}}