{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:4GGZDWWMCB47GEFSREG4QZMJ6L","short_pith_number":"pith:4GGZDWWM","canonical_record":{"source":{"id":"2502.16216","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-22T12:39:33Z","cross_cats_sorted":[],"title_canon_sha256":"0f984da3dee01e67adf3d548fe44516fe1c34755b84275d1a427da6d327c7932","abstract_canon_sha256":"28b0622c270d2a2bb4f23bfa1cef787de86f14bb04e5949362b49561d1965378"},"schema_version":"1.0"},"canonical_sha256":"e18d91dacc1079f310b2890dc86589f2ebd4a386452dbe3abcb2630e2ccf4f6c","source":{"kind":"arxiv","id":"2502.16216","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.16216","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"2502.16216v1","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.16216","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"4GGZDWWMCB47","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"pith_short_16","alias_value":"4GGZDWWMCB47GEFS","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"pith_short_8","alias_value":"4GGZDWWM","created_at":"2026-05-25T02:02:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:4GGZDWWMCB47GEFSREG4QZMJ6L","target":"record","payload":{"canonical_record":{"source":{"id":"2502.16216","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-22T12:39:33Z","cross_cats_sorted":[],"title_canon_sha256":"0f984da3dee01e67adf3d548fe44516fe1c34755b84275d1a427da6d327c7932","abstract_canon_sha256":"28b0622c270d2a2bb4f23bfa1cef787de86f14bb04e5949362b49561d1965378"},"schema_version":"1.0"},"canonical_sha256":"e18d91dacc1079f310b2890dc86589f2ebd4a386452dbe3abcb2630e2ccf4f6c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-25T02:02:06.562407Z","signature_b64":"0muii+aV8ac9HD2lzC4f6z7IL2W/+IL0KcR9dxECFbV2BJg2bG1t3a4FmjIvCoNVerPdudwdWE/ZBeimLT5UCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e18d91dacc1079f310b2890dc86589f2ebd4a386452dbe3abcb2630e2ccf4f6c","last_reissued_at":"2026-05-25T02:02:06.561530Z","signature_status":"signed_v1","first_computed_at":"2026-05-25T02:02:06.561530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.16216","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":"2026-05-25T02:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hj7rHpIYn7XaCFa+qe9PavkMORvlb4BhpaK/Btt0NQVpqqgEfszDUWU2S/wLPqIEBoDmYKXTEFtmYefkqnZwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:23:28.152161Z"},"content_sha256":"aa4ef8dad92efb318556b761bdd0e4eea5be52c38ca9e645c91739761363fa77","schema_version":"1.0","event_id":"sha256:aa4ef8dad92efb318556b761bdd0e4eea5be52c38ca9e645c91739761363fa77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:4GGZDWWMCB47GEFSREG4QZMJ6L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Harnessing Nonlinearity to Tame Wave Dynamics in Nonreciprocal Active Systems","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Bertin Many Manda, Dimitrios J. Frantzeskakis, Lea Sirota, Sayan Jana, Vassos Achilleos","submitted_at":"2025-02-22T12:39:33Z","abstract_excerpt":"We present a mechanism to generate unidirectional pulse-shaped propagating waves, tamed to exponential growth and dispersion, in active systems with nonreciprocal and nonlinear couplings. In particular, when all bulk modes are exponentially localized at one side of the lattice (skin effect), it is expected that wave dynamics is governed by amplification or decay until reaching the boundaries, even in the presence of dissipation. Our analytical results, and experimental demonstrations in an active electrical transmission line metamaterial, reveal that nonlinearity is a crucial tuning parameter "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.16216","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.16216/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-05-25T02:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fS6VbCHSNzeJvFRqlgOsJe4uSTpIQFgV2rvrNxPdV3pVNA7GsUm/6ABpw8YcGbDAanhNEyynyillQvKGhIhyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:23:28.152576Z"},"content_sha256":"6e0ab50130722d6c43894b20881057a1094aa2ae9afd33ba1c68bceb3dc26dee","schema_version":"1.0","event_id":"sha256:6e0ab50130722d6c43894b20881057a1094aa2ae9afd33ba1c68bceb3dc26dee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GGZDWWMCB47GEFSREG4QZMJ6L/bundle.json","state_url":"https://pith.science/pith/4GGZDWWMCB47GEFSREG4QZMJ6L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GGZDWWMCB47GEFSREG4QZMJ6L/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":"2026-05-28T10:23:28Z","links":{"resolver":"https://pith.science/pith/4GGZDWWMCB47GEFSREG4QZMJ6L","bundle":"https://pith.science/pith/4GGZDWWMCB47GEFSREG4QZMJ6L/bundle.json","state":"https://pith.science/pith/4GGZDWWMCB47GEFSREG4QZMJ6L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GGZDWWMCB47GEFSREG4QZMJ6L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4GGZDWWMCB47GEFSREG4QZMJ6L","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":"28b0622c270d2a2bb4f23bfa1cef787de86f14bb04e5949362b49561d1965378","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-22T12:39:33Z","title_canon_sha256":"0f984da3dee01e67adf3d548fe44516fe1c34755b84275d1a427da6d327c7932"},"schema_version":"1.0","source":{"id":"2502.16216","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.16216","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"2502.16216v1","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.16216","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"4GGZDWWMCB47","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"pith_short_16","alias_value":"4GGZDWWMCB47GEFS","created_at":"2026-05-25T02:02:06Z"},{"alias_kind":"pith_short_8","alias_value":"4GGZDWWM","created_at":"2026-05-25T02:02:06Z"}],"graph_snapshots":[{"event_id":"sha256:6e0ab50130722d6c43894b20881057a1094aa2ae9afd33ba1c68bceb3dc26dee","target":"graph","created_at":"2026-05-25T02:02:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.16216/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a mechanism to generate unidirectional pulse-shaped propagating waves, tamed to exponential growth and dispersion, in active systems with nonreciprocal and nonlinear couplings. In particular, when all bulk modes are exponentially localized at one side of the lattice (skin effect), it is expected that wave dynamics is governed by amplification or decay until reaching the boundaries, even in the presence of dissipation. Our analytical results, and experimental demonstrations in an active electrical transmission line metamaterial, reveal that nonlinearity is a crucial tuning parameter ","authors_text":"Bertin Many Manda, Dimitrios J. Frantzeskakis, Lea Sirota, Sayan Jana, Vassos Achilleos","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-22T12:39:33Z","title":"Harnessing Nonlinearity to Tame Wave Dynamics in Nonreciprocal Active Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.16216","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:aa4ef8dad92efb318556b761bdd0e4eea5be52c38ca9e645c91739761363fa77","target":"record","created_at":"2026-05-25T02:02:06Z","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":"28b0622c270d2a2bb4f23bfa1cef787de86f14bb04e5949362b49561d1965378","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-22T12:39:33Z","title_canon_sha256":"0f984da3dee01e67adf3d548fe44516fe1c34755b84275d1a427da6d327c7932"},"schema_version":"1.0","source":{"id":"2502.16216","kind":"arxiv","version":1}},"canonical_sha256":"e18d91dacc1079f310b2890dc86589f2ebd4a386452dbe3abcb2630e2ccf4f6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e18d91dacc1079f310b2890dc86589f2ebd4a386452dbe3abcb2630e2ccf4f6c","first_computed_at":"2026-05-25T02:02:06.561530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-25T02:02:06.561530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0muii+aV8ac9HD2lzC4f6z7IL2W/+IL0KcR9dxECFbV2BJg2bG1t3a4FmjIvCoNVerPdudwdWE/ZBeimLT5UCA==","signature_status":"signed_v1","signed_at":"2026-05-25T02:02:06.562407Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.16216","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa4ef8dad92efb318556b761bdd0e4eea5be52c38ca9e645c91739761363fa77","sha256:6e0ab50130722d6c43894b20881057a1094aa2ae9afd33ba1c68bceb3dc26dee"],"state_sha256":"bfa7addbfd4a570e8948927ab294f9afe9b7f2984ca8339301d2dfb4cd280387"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iRfw6ZG02dvp93/sOy//pzDyo6gDpiKMvF1Ha/mJJ3o6+6t81tNlKU6giAuaOwI9MvpmRslx+lzkov0nohtbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:23:28.155004Z","bundle_sha256":"c28090d6660955fc82df279d659946dcfca827f81170bf84a8ef5416d9ea94ea"}}