{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:L5B46WOKOWXLHSFIUEHSTBVT7Q","short_pith_number":"pith:L5B46WOK","canonical_record":{"source":{"id":"1804.10912","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-29T12:06:20Z","cross_cats_sorted":[],"title_canon_sha256":"e2bf5d1cfac53bd839ab9d0af626a12e97b7fddd492d8692c93bb33a34aa2d14","abstract_canon_sha256":"0aa9a545add4d3705c1b2652c642520da01f7d6cdebc088500ba5c6921d3da82"},"schema_version":"1.0"},"canonical_sha256":"5f43cf59ca75aeb3c8a8a10f2986b3fc3b5199ce290b40af966c0a3ea5557481","source":{"kind":"arxiv","id":"1804.10912","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10912","created_at":"2026-05-18T00:17:15Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10912v1","created_at":"2026-05-18T00:17:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10912","created_at":"2026-05-18T00:17:15Z"},{"alias_kind":"pith_short_12","alias_value":"L5B46WOKOWXL","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L5B46WOKOWXLHSFI","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L5B46WOK","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:L5B46WOKOWXLHSFIUEHSTBVT7Q","target":"record","payload":{"canonical_record":{"source":{"id":"1804.10912","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-29T12:06:20Z","cross_cats_sorted":[],"title_canon_sha256":"e2bf5d1cfac53bd839ab9d0af626a12e97b7fddd492d8692c93bb33a34aa2d14","abstract_canon_sha256":"0aa9a545add4d3705c1b2652c642520da01f7d6cdebc088500ba5c6921d3da82"},"schema_version":"1.0"},"canonical_sha256":"5f43cf59ca75aeb3c8a8a10f2986b3fc3b5199ce290b40af966c0a3ea5557481","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:15.199622Z","signature_b64":"4SdZ9hXhOS4hTlyD4gZ0h4UQrPF1XaqulwoU4NE6hlk0hWItKyRuVX4tktAJzN8+HQyoxdpbwD5rJdawluEJBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f43cf59ca75aeb3c8a8a10f2986b3fc3b5199ce290b40af966c0a3ea5557481","last_reissued_at":"2026-05-18T00:17:15.199037Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:15.199037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.10912","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":"2026-05-18T00:17:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DR2GmrVfAAJQfflQdWWPUiY0LcaQu2t3/ZnhNAIrArAkEhUipXFXeS6FUN4RFDWbzZp/zXM7MGEfHQKEWO/UAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:05:23.513887Z"},"content_sha256":"749d3368eb148b3eb673c3bb7084686ce9cda16dc91ebb85f2b13755496541e1","schema_version":"1.0","event_id":"sha256:749d3368eb148b3eb673c3bb7084686ce9cda16dc91ebb85f2b13755496541e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:L5B46WOKOWXLHSFIUEHSTBVT7Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wave-Field Shaping in Cavities by Tunable Metasurfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AP","authors_text":"Habib Ammari, Kthim Imeri, Wei Wu","submitted_at":"2018-04-29T12:06:20Z","abstract_excerpt":"Cavities, because they trap waves for long times due to their reflecting walls, are used in a vast number of scientific domains. Indeed, in these closed media and due to interferences, the free space continuum of solutions becomes a discrete set of stationary eigenmodes. These enhanced stationary fields are commonly used in fundamental physics to increase wave-matter interactions. The eigenmodes and associated eigenfrequencies of a cavity are imposed by its geometrical properties through the boundary conditions. In this paper, we show that one can control the wave fields created by point sourc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10912","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":"2026-05-18T00:17:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8goudCJqmSc/yndxgWRF9SxvuktcKlqo1fSR5SyD0Nj/KieM/xlqKJ/GSsYtkcTUrMojfKv0wjh+DPVlY/GTCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:05:23.514231Z"},"content_sha256":"169580638359de863d38d171d4e7781e4f297889ec59ed39c9940a0b42eb9485","schema_version":"1.0","event_id":"sha256:169580638359de863d38d171d4e7781e4f297889ec59ed39c9940a0b42eb9485"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L5B46WOKOWXLHSFIUEHSTBVT7Q/bundle.json","state_url":"https://pith.science/pith/L5B46WOKOWXLHSFIUEHSTBVT7Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L5B46WOKOWXLHSFIUEHSTBVT7Q/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":"2026-05-28T11:05:23Z","links":{"resolver":"https://pith.science/pith/L5B46WOKOWXLHSFIUEHSTBVT7Q","bundle":"https://pith.science/pith/L5B46WOKOWXLHSFIUEHSTBVT7Q/bundle.json","state":"https://pith.science/pith/L5B46WOKOWXLHSFIUEHSTBVT7Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L5B46WOKOWXLHSFIUEHSTBVT7Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:L5B46WOKOWXLHSFIUEHSTBVT7Q","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":"0aa9a545add4d3705c1b2652c642520da01f7d6cdebc088500ba5c6921d3da82","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-29T12:06:20Z","title_canon_sha256":"e2bf5d1cfac53bd839ab9d0af626a12e97b7fddd492d8692c93bb33a34aa2d14"},"schema_version":"1.0","source":{"id":"1804.10912","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10912","created_at":"2026-05-18T00:17:15Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10912v1","created_at":"2026-05-18T00:17:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10912","created_at":"2026-05-18T00:17:15Z"},{"alias_kind":"pith_short_12","alias_value":"L5B46WOKOWXL","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L5B46WOKOWXLHSFI","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L5B46WOK","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:169580638359de863d38d171d4e7781e4f297889ec59ed39c9940a0b42eb9485","target":"graph","created_at":"2026-05-18T00:17:15Z","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":"Cavities, because they trap waves for long times due to their reflecting walls, are used in a vast number of scientific domains. Indeed, in these closed media and due to interferences, the free space continuum of solutions becomes a discrete set of stationary eigenmodes. These enhanced stationary fields are commonly used in fundamental physics to increase wave-matter interactions. The eigenmodes and associated eigenfrequencies of a cavity are imposed by its geometrical properties through the boundary conditions. In this paper, we show that one can control the wave fields created by point sourc","authors_text":"Habib Ammari, Kthim Imeri, Wei Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-29T12:06:20Z","title":"Wave-Field Shaping in Cavities by Tunable Metasurfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10912","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":"sha256:749d3368eb148b3eb673c3bb7084686ce9cda16dc91ebb85f2b13755496541e1","target":"record","created_at":"2026-05-18T00:17:15Z","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":"0aa9a545add4d3705c1b2652c642520da01f7d6cdebc088500ba5c6921d3da82","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-29T12:06:20Z","title_canon_sha256":"e2bf5d1cfac53bd839ab9d0af626a12e97b7fddd492d8692c93bb33a34aa2d14"},"schema_version":"1.0","source":{"id":"1804.10912","kind":"arxiv","version":1}},"canonical_sha256":"5f43cf59ca75aeb3c8a8a10f2986b3fc3b5199ce290b40af966c0a3ea5557481","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f43cf59ca75aeb3c8a8a10f2986b3fc3b5199ce290b40af966c0a3ea5557481","first_computed_at":"2026-05-18T00:17:15.199037Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:15.199037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4SdZ9hXhOS4hTlyD4gZ0h4UQrPF1XaqulwoU4NE6hlk0hWItKyRuVX4tktAJzN8+HQyoxdpbwD5rJdawluEJBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:15.199622Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.10912","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:749d3368eb148b3eb673c3bb7084686ce9cda16dc91ebb85f2b13755496541e1","sha256:169580638359de863d38d171d4e7781e4f297889ec59ed39c9940a0b42eb9485"],"state_sha256":"25a92ebfd2dc666c88bb552f49e5388e0328f4974acf58ef9dad3fa17e2861e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eg/sm2Phxo/3SZNbrYFxxQUiaLDPUthykblW2sF4LK3vV/oHnFmQYwzoIqflt7tZWP7+VlEc4eNpVdGJMFCZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:05:23.516184Z","bundle_sha256":"224341562c5ad246c07207e7866dce0c4fa7e49836ae63ac67b979a8f89dac6e"}}