{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:5SZIROWFPKVYAXFE7QKLYMIMWG","short_pith_number":"pith:5SZIROWF","canonical_record":{"source":{"id":"0908.3664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-08-25T19:12:24Z","cross_cats_sorted":["nlin.PS"],"title_canon_sha256":"1eafc0fbd8fff91bd2718a411f3404fd59d93d5ee03e3a3026c9db65d0c5dec0","abstract_canon_sha256":"67fe3ed7a35635a31bd38749c477a32d1f37b9e31737ea786f04403ac3921ca6"},"schema_version":"1.0"},"canonical_sha256":"ecb288bac57aab805ca4fc14bc310cb1bc3ea728ef0241b0cb5604613509d8e5","source":{"kind":"arxiv","id":"0908.3664","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3664","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3664v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3664","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"5SZIROWFPKVY","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"5SZIROWFPKVYAXFE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"5SZIROWF","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:5SZIROWFPKVYAXFE7QKLYMIMWG","target":"record","payload":{"canonical_record":{"source":{"id":"0908.3664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-08-25T19:12:24Z","cross_cats_sorted":["nlin.PS"],"title_canon_sha256":"1eafc0fbd8fff91bd2718a411f3404fd59d93d5ee03e3a3026c9db65d0c5dec0","abstract_canon_sha256":"67fe3ed7a35635a31bd38749c477a32d1f37b9e31737ea786f04403ac3921ca6"},"schema_version":"1.0"},"canonical_sha256":"ecb288bac57aab805ca4fc14bc310cb1bc3ea728ef0241b0cb5604613509d8e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:23.075502Z","signature_b64":"ullMm+TgPy7thHBRB/Qpy9GqnlJGMg4LQHqAcQt+aIvEa/qiIk33olm5AASjluqWSLyn9dEAB4ftTJUatOC0DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecb288bac57aab805ca4fc14bc310cb1bc3ea728ef0241b0cb5604613509d8e5","last_reissued_at":"2026-05-18T02:12:23.074925Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:23.074925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.3664","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cj/J6nhObnC1+OeR5SnS0LLm88VUdxhkNGhQlH1oGn/qdTlaIohgZ5TSrSeOdYEu5wr+o7gPLuyd6XkX5M1fAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:30:55.399066Z"},"content_sha256":"ddf895780eef4c4782855b07543dec6b457cfaeeeed2c8f52c6af4adf45827cf","schema_version":"1.0","event_id":"sha256:ddf895780eef4c4782855b07543dec6b457cfaeeeed2c8f52c6af4adf45827cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:5SZIROWFPKVYAXFE7QKLYMIMWG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Light tunneling inhibition and anisotropic diffraction engineering in two-dimensional waveguide arrays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.PS"],"primary_cat":"physics.optics","authors_text":"A. Szameit, L. Torner, V. A. Vysloukh, Y. V. Kartashov","submitted_at":"2009-08-25T19:12:24Z","abstract_excerpt":"We address two-dimensional waveguide arrays where light tunneling into neighboring waveguides may be effectively suppressed by out-of-phase harmonic modulation of the refractive index in neighboring waveguides at suitable frequencies. Genuine two-dimensional features, such as anisotropic diffraction engineering, diffraction-free propagation along selected directions in the transverse plane and tunneling inhibition for multi-channel vortices, are shown to occur."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3664","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0zTns4z+AW/+3qWOuLPqCcJMGBSKXefJVIyxCzX6fUAcOKl5n13j7G9x/PDA+fKeaZedS5DkzXKrXJfg8JWpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:30:55.399777Z"},"content_sha256":"846b7c3cf120fb484550a2f0dfb1762f7a4d1475226d32e6d8f3d4f4e84684fa","schema_version":"1.0","event_id":"sha256:846b7c3cf120fb484550a2f0dfb1762f7a4d1475226d32e6d8f3d4f4e84684fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5SZIROWFPKVYAXFE7QKLYMIMWG/bundle.json","state_url":"https://pith.science/pith/5SZIROWFPKVYAXFE7QKLYMIMWG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5SZIROWFPKVYAXFE7QKLYMIMWG/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":"2026-06-07T15:30:55Z","links":{"resolver":"https://pith.science/pith/5SZIROWFPKVYAXFE7QKLYMIMWG","bundle":"https://pith.science/pith/5SZIROWFPKVYAXFE7QKLYMIMWG/bundle.json","state":"https://pith.science/pith/5SZIROWFPKVYAXFE7QKLYMIMWG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5SZIROWFPKVYAXFE7QKLYMIMWG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:5SZIROWFPKVYAXFE7QKLYMIMWG","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":"67fe3ed7a35635a31bd38749c477a32d1f37b9e31737ea786f04403ac3921ca6","cross_cats_sorted":["nlin.PS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-08-25T19:12:24Z","title_canon_sha256":"1eafc0fbd8fff91bd2718a411f3404fd59d93d5ee03e3a3026c9db65d0c5dec0"},"schema_version":"1.0","source":{"id":"0908.3664","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3664","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3664v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3664","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"5SZIROWFPKVY","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"5SZIROWFPKVYAXFE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"5SZIROWF","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:846b7c3cf120fb484550a2f0dfb1762f7a4d1475226d32e6d8f3d4f4e84684fa","target":"graph","created_at":"2026-05-18T02:12:23Z","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 address two-dimensional waveguide arrays where light tunneling into neighboring waveguides may be effectively suppressed by out-of-phase harmonic modulation of the refractive index in neighboring waveguides at suitable frequencies. Genuine two-dimensional features, such as anisotropic diffraction engineering, diffraction-free propagation along selected directions in the transverse plane and tunneling inhibition for multi-channel vortices, are shown to occur.","authors_text":"A. Szameit, L. Torner, V. A. Vysloukh, Y. V. Kartashov","cross_cats":["nlin.PS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-08-25T19:12:24Z","title":"Light tunneling inhibition and anisotropic diffraction engineering in two-dimensional waveguide arrays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3664","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:ddf895780eef4c4782855b07543dec6b457cfaeeeed2c8f52c6af4adf45827cf","target":"record","created_at":"2026-05-18T02:12:23Z","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":"67fe3ed7a35635a31bd38749c477a32d1f37b9e31737ea786f04403ac3921ca6","cross_cats_sorted":["nlin.PS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-08-25T19:12:24Z","title_canon_sha256":"1eafc0fbd8fff91bd2718a411f3404fd59d93d5ee03e3a3026c9db65d0c5dec0"},"schema_version":"1.0","source":{"id":"0908.3664","kind":"arxiv","version":1}},"canonical_sha256":"ecb288bac57aab805ca4fc14bc310cb1bc3ea728ef0241b0cb5604613509d8e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ecb288bac57aab805ca4fc14bc310cb1bc3ea728ef0241b0cb5604613509d8e5","first_computed_at":"2026-05-18T02:12:23.074925Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:23.074925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ullMm+TgPy7thHBRB/Qpy9GqnlJGMg4LQHqAcQt+aIvEa/qiIk33olm5AASjluqWSLyn9dEAB4ftTJUatOC0DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:23.075502Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3664","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddf895780eef4c4782855b07543dec6b457cfaeeeed2c8f52c6af4adf45827cf","sha256:846b7c3cf120fb484550a2f0dfb1762f7a4d1475226d32e6d8f3d4f4e84684fa"],"state_sha256":"e90d41b91fd57df9cae1847e7f4f2ce76415d7beb1c6aa0eebb9b59efbd0a0e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OoDFCA//qBaRWyuw7wi97uT5mibFpyh+Iw/zu1azox+6oicQ0aP0xkaxFrMZk8SAvmpm0dCNOrKbneYTgL6RAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T15:30:55.403364Z","bundle_sha256":"e3a6d1919275b64df224b802d5496dd934b7771fdc9c0d5fe3fa477293acb035"}}