{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YQLN3YSHIZEZU4C53ZWAH3KRYL","short_pith_number":"pith:YQLN3YSH","canonical_record":{"source":{"id":"1501.01956","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2015-01-08T20:59:22Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"eda8d81fa158c89e6fdb6b6a617156d7a3e60eaa7b964b2c5343cb512ba0e70d","abstract_canon_sha256":"c49e315c4d92c879848fa6913de2203e49ed9dc0de30dca03394b235c3d34c62"},"schema_version":"1.0"},"canonical_sha256":"c416dde24746499a705dde6c03ed51c2f0967ffb47151206e746d67582121043","source":{"kind":"arxiv","id":"1501.01956","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01956","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01956v1","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01956","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"pith_short_12","alias_value":"YQLN3YSHIZEZ","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YQLN3YSHIZEZU4C5","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YQLN3YSH","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YQLN3YSHIZEZU4C53ZWAH3KRYL","target":"record","payload":{"canonical_record":{"source":{"id":"1501.01956","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2015-01-08T20:59:22Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"eda8d81fa158c89e6fdb6b6a617156d7a3e60eaa7b964b2c5343cb512ba0e70d","abstract_canon_sha256":"c49e315c4d92c879848fa6913de2203e49ed9dc0de30dca03394b235c3d34c62"},"schema_version":"1.0"},"canonical_sha256":"c416dde24746499a705dde6c03ed51c2f0967ffb47151206e746d67582121043","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:45.917327Z","signature_b64":"OJKKBwg6Zd7TFfqM+fHQWpFQ50qmaKNpH1+/nd6/VTmNBsZO9YdlX9Vm8/Ec//bDb0ue2aUAXr4vYlgL/x9LCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c416dde24746499a705dde6c03ed51c2f0967ffb47151206e746d67582121043","last_reissued_at":"2026-05-18T02:29:45.916918Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:45.916918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.01956","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":"2026-05-18T02:29:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xMUK5mGVXCi0+OQZHGtLlIVbyoTlUIVWqk56seezr4Sw+bZrBMmnzF/YON9+G4rnnEUI+qHp1W5TYBq239+SDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T15:21:25.659804Z"},"content_sha256":"e170720298bc1e19bd685d44cc951fa4437221dbdee14c4e6fa9306ef680fa4a","schema_version":"1.0","event_id":"sha256:e170720298bc1e19bd685d44cc951fa4437221dbdee14c4e6fa9306ef680fa4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YQLN3YSHIZEZU4C53ZWAH3KRYL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On a new integrable discretization of the derivative nonlinear Schr\\\"odinger (Chen-Lee-Liu) equation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"nlin.SI","authors_text":"Takayuki Tsuchida","submitted_at":"2015-01-08T20:59:22Z","abstract_excerpt":"We propose a general integrable lattice system involving some free parameters, which contains known integrable lattice systems such as the Ablowitz-Ladik discretization of the nonlinear Schr\\\"odinger (NLS) equation as special cases. With a suitable choice of the parameters, it provides a new integrable space-discretization of the derivative NLS equation known as the Chen-Lee-Liu equation. Analogously to the continuous case, the space-discrete Chen-Lee-Liu system possesses a Lax pair and admits a complex conjugation reduction between the two dependent variables. Thus, we obtain a proper space-d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01956","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":""},"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":"2026-05-18T02:29:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LfDDVRP+HWPqfo9d7wNJjctTQuF73EKiue0Z4zKGIZBm+vp5sbYF/sTzxtPG6YDwCYVvomgqusF20h4w+kR+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T15:21:25.660154Z"},"content_sha256":"94f019cc8b6739be0a02f81ad9abd92cab0f15cddfd4cf443f3e5563b11420be","schema_version":"1.0","event_id":"sha256:94f019cc8b6739be0a02f81ad9abd92cab0f15cddfd4cf443f3e5563b11420be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQLN3YSHIZEZU4C53ZWAH3KRYL/bundle.json","state_url":"https://pith.science/pith/YQLN3YSHIZEZU4C53ZWAH3KRYL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQLN3YSHIZEZU4C53ZWAH3KRYL/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":"2026-06-25T15:21:25Z","links":{"resolver":"https://pith.science/pith/YQLN3YSHIZEZU4C53ZWAH3KRYL","bundle":"https://pith.science/pith/YQLN3YSHIZEZU4C53ZWAH3KRYL/bundle.json","state":"https://pith.science/pith/YQLN3YSHIZEZU4C53ZWAH3KRYL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQLN3YSHIZEZU4C53ZWAH3KRYL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YQLN3YSHIZEZU4C53ZWAH3KRYL","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":"c49e315c4d92c879848fa6913de2203e49ed9dc0de30dca03394b235c3d34c62","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2015-01-08T20:59:22Z","title_canon_sha256":"eda8d81fa158c89e6fdb6b6a617156d7a3e60eaa7b964b2c5343cb512ba0e70d"},"schema_version":"1.0","source":{"id":"1501.01956","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01956","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01956v1","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01956","created_at":"2026-05-18T02:29:45Z"},{"alias_kind":"pith_short_12","alias_value":"YQLN3YSHIZEZ","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YQLN3YSHIZEZU4C5","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YQLN3YSH","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:94f019cc8b6739be0a02f81ad9abd92cab0f15cddfd4cf443f3e5563b11420be","target":"graph","created_at":"2026-05-18T02:29:45Z","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 propose a general integrable lattice system involving some free parameters, which contains known integrable lattice systems such as the Ablowitz-Ladik discretization of the nonlinear Schr\\\"odinger (NLS) equation as special cases. With a suitable choice of the parameters, it provides a new integrable space-discretization of the derivative NLS equation known as the Chen-Lee-Liu equation. Analogously to the continuous case, the space-discrete Chen-Lee-Liu system possesses a Lax pair and admits a complex conjugation reduction between the two dependent variables. Thus, we obtain a proper space-d","authors_text":"Takayuki Tsuchida","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2015-01-08T20:59:22Z","title":"On a new integrable discretization of the derivative nonlinear Schr\\\"odinger (Chen-Lee-Liu) equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01956","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:e170720298bc1e19bd685d44cc951fa4437221dbdee14c4e6fa9306ef680fa4a","target":"record","created_at":"2026-05-18T02:29:45Z","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":"c49e315c4d92c879848fa6913de2203e49ed9dc0de30dca03394b235c3d34c62","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2015-01-08T20:59:22Z","title_canon_sha256":"eda8d81fa158c89e6fdb6b6a617156d7a3e60eaa7b964b2c5343cb512ba0e70d"},"schema_version":"1.0","source":{"id":"1501.01956","kind":"arxiv","version":1}},"canonical_sha256":"c416dde24746499a705dde6c03ed51c2f0967ffb47151206e746d67582121043","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c416dde24746499a705dde6c03ed51c2f0967ffb47151206e746d67582121043","first_computed_at":"2026-05-18T02:29:45.916918Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:45.916918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OJKKBwg6Zd7TFfqM+fHQWpFQ50qmaKNpH1+/nd6/VTmNBsZO9YdlX9Vm8/Ec//bDb0ue2aUAXr4vYlgL/x9LCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:45.917327Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01956","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e170720298bc1e19bd685d44cc951fa4437221dbdee14c4e6fa9306ef680fa4a","sha256:94f019cc8b6739be0a02f81ad9abd92cab0f15cddfd4cf443f3e5563b11420be"],"state_sha256":"cfed6cfc0e462e18bbfd8199dab4663869b6fafb8a473b3c4b1f9eb4b70d1ee7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uF6zLkxMhZ/jMB9ANAfQOpNQyAEsyFUpECFN6vK4OMWcyldnkrAVrjlZhqnaZPNGF8bJS26V2eUu9ndBeV4JBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T15:21:25.662188Z","bundle_sha256":"90b5fc1f6540abf18cbc3f235c41ab14a275cbea99b1a03ec6274d9dcd575f6c"}}