{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:PKZECH7T5EUXST3SBUZN7OVILQ","short_pith_number":"pith:PKZECH7T","canonical_record":{"source":{"id":"1601.03176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-13T09:21:45Z","cross_cats_sorted":["cond-mat.other","nlin.PS"],"title_canon_sha256":"7da96cb0921a4a4cda38787b1deaf200b101c6d2539fe6a2c62b6305d7f9ebae","abstract_canon_sha256":"924cd3c00ea681bea319469d9f83380d998bc5bfe9b1e3b6bd5f739a0c15090f"},"schema_version":"1.0"},"canonical_sha256":"7ab2411ff3e929794f720d32dfbaa85c26180dd6297219e5ed77f1c4b6c895de","source":{"kind":"arxiv","id":"1601.03176","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03176","created_at":"2026-05-18T01:22:55Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03176v1","created_at":"2026-05-18T01:22:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03176","created_at":"2026-05-18T01:22:55Z"},{"alias_kind":"pith_short_12","alias_value":"PKZECH7T5EUX","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PKZECH7T5EUXST3S","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PKZECH7T","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:PKZECH7T5EUXST3SBUZN7OVILQ","target":"record","payload":{"canonical_record":{"source":{"id":"1601.03176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-13T09:21:45Z","cross_cats_sorted":["cond-mat.other","nlin.PS"],"title_canon_sha256":"7da96cb0921a4a4cda38787b1deaf200b101c6d2539fe6a2c62b6305d7f9ebae","abstract_canon_sha256":"924cd3c00ea681bea319469d9f83380d998bc5bfe9b1e3b6bd5f739a0c15090f"},"schema_version":"1.0"},"canonical_sha256":"7ab2411ff3e929794f720d32dfbaa85c26180dd6297219e5ed77f1c4b6c895de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:55.169811Z","signature_b64":"CFDCFlFfcG6LasY/RcWB8jVTVGp6ZupTScwJtFkrSMWgX28L7T2/+/o2HN7xvnSP+8tDsqN+qLdLA/+fA0t/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ab2411ff3e929794f720d32dfbaa85c26180dd6297219e5ed77f1c4b6c895de","last_reissued_at":"2026-05-18T01:22:55.169155Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:55.169155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.03176","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":"2026-05-18T01:22:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5X3EisSncXZ13+T6M6++1BWz2HXITWOzSYZtHiVLkGCxqYggvvryB4k8kvkwoq5pNa1gAC2EtsICON1Z3gv8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T21:08:04.274709Z"},"content_sha256":"22e033a109d60d19a434a708335bd8eb0a79f7992cb70d7f8f9d1906246b7251","schema_version":"1.0","event_id":"sha256:22e033a109d60d19a434a708335bd8eb0a79f7992cb70d7f8f9d1906246b7251"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:PKZECH7T5EUXST3SBUZN7OVILQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-dimensional solitons in conservative and parity-time-symmetric triple-core waveguides with cubic-quintic nonlinearity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","nlin.PS"],"primary_cat":"physics.optics","authors_text":"David Feijoo, Dmitry A. Zezyulin, Vladimir V. Konotop","submitted_at":"2016-01-13T09:21:45Z","abstract_excerpt":"We analyze a system of three two-dimensional nonlinear Schr\\\"odinger equations coupled by linear terms and with the cubic-quintic (focusing-defocusing) nonlinearity. We consider two versions of the model: conservative and parity-time ($\\mathcal{PT}$) symmetric. These models describe triple-core nonlinear optical waveguides, with balanced gain and losses in the $\\mathcal{PT}$-symmetric case. We obtain families of soliton solutions and discuss their stability. The latter study is performed using a linear stability analysis and checked with direct numerical simulations of the evolutional system o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03176","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":"2026-05-18T01:22:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I1KL3ANMeO8/dvXRBNos/uNFllPcEjmd6BXREMcrvNJ626hrCDkqfEISBOFVM5m4vVE4dCiNyUsM4JGRW2uUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T21:08:04.275058Z"},"content_sha256":"0108cfc162b1b85cb3dd2a01e088e07bf2f1ae67aa7ff12bfa4a1d15a7621fe0","schema_version":"1.0","event_id":"sha256:0108cfc162b1b85cb3dd2a01e088e07bf2f1ae67aa7ff12bfa4a1d15a7621fe0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PKZECH7T5EUXST3SBUZN7OVILQ/bundle.json","state_url":"https://pith.science/pith/PKZECH7T5EUXST3SBUZN7OVILQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PKZECH7T5EUXST3SBUZN7OVILQ/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":"2026-07-01T21:08:04Z","links":{"resolver":"https://pith.science/pith/PKZECH7T5EUXST3SBUZN7OVILQ","bundle":"https://pith.science/pith/PKZECH7T5EUXST3SBUZN7OVILQ/bundle.json","state":"https://pith.science/pith/PKZECH7T5EUXST3SBUZN7OVILQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PKZECH7T5EUXST3SBUZN7OVILQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:PKZECH7T5EUXST3SBUZN7OVILQ","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":"924cd3c00ea681bea319469d9f83380d998bc5bfe9b1e3b6bd5f739a0c15090f","cross_cats_sorted":["cond-mat.other","nlin.PS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-13T09:21:45Z","title_canon_sha256":"7da96cb0921a4a4cda38787b1deaf200b101c6d2539fe6a2c62b6305d7f9ebae"},"schema_version":"1.0","source":{"id":"1601.03176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03176","created_at":"2026-05-18T01:22:55Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03176v1","created_at":"2026-05-18T01:22:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03176","created_at":"2026-05-18T01:22:55Z"},{"alias_kind":"pith_short_12","alias_value":"PKZECH7T5EUX","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PKZECH7T5EUXST3S","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PKZECH7T","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:0108cfc162b1b85cb3dd2a01e088e07bf2f1ae67aa7ff12bfa4a1d15a7621fe0","target":"graph","created_at":"2026-05-18T01:22:55Z","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 analyze a system of three two-dimensional nonlinear Schr\\\"odinger equations coupled by linear terms and with the cubic-quintic (focusing-defocusing) nonlinearity. We consider two versions of the model: conservative and parity-time ($\\mathcal{PT}$) symmetric. These models describe triple-core nonlinear optical waveguides, with balanced gain and losses in the $\\mathcal{PT}$-symmetric case. We obtain families of soliton solutions and discuss their stability. The latter study is performed using a linear stability analysis and checked with direct numerical simulations of the evolutional system o","authors_text":"David Feijoo, Dmitry A. Zezyulin, Vladimir V. Konotop","cross_cats":["cond-mat.other","nlin.PS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-13T09:21:45Z","title":"Two-dimensional solitons in conservative and parity-time-symmetric triple-core waveguides with cubic-quintic nonlinearity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03176","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":"sha256:22e033a109d60d19a434a708335bd8eb0a79f7992cb70d7f8f9d1906246b7251","target":"record","created_at":"2026-05-18T01:22:55Z","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":"924cd3c00ea681bea319469d9f83380d998bc5bfe9b1e3b6bd5f739a0c15090f","cross_cats_sorted":["cond-mat.other","nlin.PS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-13T09:21:45Z","title_canon_sha256":"7da96cb0921a4a4cda38787b1deaf200b101c6d2539fe6a2c62b6305d7f9ebae"},"schema_version":"1.0","source":{"id":"1601.03176","kind":"arxiv","version":1}},"canonical_sha256":"7ab2411ff3e929794f720d32dfbaa85c26180dd6297219e5ed77f1c4b6c895de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ab2411ff3e929794f720d32dfbaa85c26180dd6297219e5ed77f1c4b6c895de","first_computed_at":"2026-05-18T01:22:55.169155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:55.169155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CFDCFlFfcG6LasY/RcWB8jVTVGp6ZupTScwJtFkrSMWgX28L7T2/+/o2HN7xvnSP+8tDsqN+qLdLA/+fA0t/Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:55.169811Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.03176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22e033a109d60d19a434a708335bd8eb0a79f7992cb70d7f8f9d1906246b7251","sha256:0108cfc162b1b85cb3dd2a01e088e07bf2f1ae67aa7ff12bfa4a1d15a7621fe0"],"state_sha256":"29d7398d05f038e4c67e3f8631a82fde67929c5af59c1e65c86307bd0250ba56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7CH6v5gHZnWH6Y2YGpBUNvVYGeuqx/aGrs+s1B25/2/RdOaOYkwEAXThkCP4i3ZFSDRV9WNzATbDQm1WYRrnDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T21:08:04.277011Z","bundle_sha256":"3aea35d8ac2e550f2fbd4e1e8e3672aca11711ec6e97c1330b970d8144a676af"}}