{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:5763GWXOWA5KNHCM6HQTYSM5EP","short_pith_number":"pith:5763GWXO","canonical_record":{"source":{"id":"2112.04988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-09T15:32:39Z","cross_cats_sorted":["cond-mat.str-el","physics.optics"],"title_canon_sha256":"93e2257bd767f17a641be9f5fd49ceee3379da949bdc0e21b72c4e416197dbcb","abstract_canon_sha256":"22df1f24b701bbe0a62d74cc8852dd14b9cf7b5ec4657250ff51cee275cb2e83"},"schema_version":"1.0"},"canonical_sha256":"effdb35aeeb03aa69c4cf1e13c499d23d56378cf81d4168e7c6633e8bd963e1b","source":{"kind":"arxiv","id":"2112.04988","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.04988","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"arxiv_version","alias_value":"2112.04988v1","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.04988","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"pith_short_12","alias_value":"5763GWXOWA5K","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"pith_short_16","alias_value":"5763GWXOWA5KNHCM","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"pith_short_8","alias_value":"5763GWXO","created_at":"2026-07-05T04:42:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:5763GWXOWA5KNHCM6HQTYSM5EP","target":"record","payload":{"canonical_record":{"source":{"id":"2112.04988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-09T15:32:39Z","cross_cats_sorted":["cond-mat.str-el","physics.optics"],"title_canon_sha256":"93e2257bd767f17a641be9f5fd49ceee3379da949bdc0e21b72c4e416197dbcb","abstract_canon_sha256":"22df1f24b701bbe0a62d74cc8852dd14b9cf7b5ec4657250ff51cee275cb2e83"},"schema_version":"1.0"},"canonical_sha256":"effdb35aeeb03aa69c4cf1e13c499d23d56378cf81d4168e7c6633e8bd963e1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:42:57.840725Z","signature_b64":"+JytMG122YYqXxgSTtLIKDJkS6pxlhzgrAT7EVbGHN2cQPQebEYCKgXh7lBKCcDEH+Ycoe77UHeyFXxLRZDIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"effdb35aeeb03aa69c4cf1e13c499d23d56378cf81d4168e7c6633e8bd963e1b","last_reissued_at":"2026-07-05T04:42:57.840223Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:42:57.840223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.04988","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":"2026-07-05T04:42:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IVhiWCiviqhQFmAGot+/PPkp8465Ii1B6VghV/AiRru89+IEEg/bjGIJuK8i4P6m6gkqeHWwf+RLjgepS7ZADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:08:30.664756Z"},"content_sha256":"8ed2b5995bd46c5139fd026228355c3a99c1f93b9c5081b8f24b47ce1d5f621e","schema_version":"1.0","event_id":"sha256:8ed2b5995bd46c5139fd026228355c3a99c1f93b9c5081b8f24b47ce1d5f621e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:5763GWXOWA5KNHCM6HQTYSM5EP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Selective and tunable excitation of topological non-Hermitian skin modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","physics.optics"],"primary_cat":"quant-ph","authors_text":"Stefano Longhi","submitted_at":"2021-12-09T15:32:39Z","abstract_excerpt":"Non-Hermitian lattices under semi-infinite boundary conditions sustain an extensive number of exponentially-localized states, dubbed non-Hermitian skin modes. Such states can be predicted from the nontrivial topology of the energy spectrum under periodic boundary conditions via a bulk-edge correspondence. However, the selective excitation of the system in one among the infinitely-many topological skin edge states is challenging both from practical and conceptual viewpoints. In fact, in any realistic system with a finite lattice size most of skin edge states collapse and become metastable state"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.04988","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/2112.04988/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":"2026-07-05T04:42:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fYCx/KifVMQlSS7J9QYgTbD8fTStC4ySChysqS1e42yujqnf1rkY9v369dAauQF63b/it027Ubh2OylbCdieBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:08:30.665752Z"},"content_sha256":"bcb8344c4989e2bb39ca0c28ca5db18b1f44d5e144d4d33c73d6703d39b7601c","schema_version":"1.0","event_id":"sha256:bcb8344c4989e2bb39ca0c28ca5db18b1f44d5e144d4d33c73d6703d39b7601c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5763GWXOWA5KNHCM6HQTYSM5EP/bundle.json","state_url":"https://pith.science/pith/5763GWXOWA5KNHCM6HQTYSM5EP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5763GWXOWA5KNHCM6HQTYSM5EP/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":"2026-08-06T01:08:30Z","links":{"resolver":"https://pith.science/pith/5763GWXOWA5KNHCM6HQTYSM5EP","bundle":"https://pith.science/pith/5763GWXOWA5KNHCM6HQTYSM5EP/bundle.json","state":"https://pith.science/pith/5763GWXOWA5KNHCM6HQTYSM5EP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5763GWXOWA5KNHCM6HQTYSM5EP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:5763GWXOWA5KNHCM6HQTYSM5EP","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":"22df1f24b701bbe0a62d74cc8852dd14b9cf7b5ec4657250ff51cee275cb2e83","cross_cats_sorted":["cond-mat.str-el","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-09T15:32:39Z","title_canon_sha256":"93e2257bd767f17a641be9f5fd49ceee3379da949bdc0e21b72c4e416197dbcb"},"schema_version":"1.0","source":{"id":"2112.04988","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.04988","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"arxiv_version","alias_value":"2112.04988v1","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.04988","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"pith_short_12","alias_value":"5763GWXOWA5K","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"pith_short_16","alias_value":"5763GWXOWA5KNHCM","created_at":"2026-07-05T04:42:57Z"},{"alias_kind":"pith_short_8","alias_value":"5763GWXO","created_at":"2026-07-05T04:42:57Z"}],"graph_snapshots":[{"event_id":"sha256:bcb8344c4989e2bb39ca0c28ca5db18b1f44d5e144d4d33c73d6703d39b7601c","target":"graph","created_at":"2026-07-05T04:42:57Z","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/2112.04988/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Non-Hermitian lattices under semi-infinite boundary conditions sustain an extensive number of exponentially-localized states, dubbed non-Hermitian skin modes. Such states can be predicted from the nontrivial topology of the energy spectrum under periodic boundary conditions via a bulk-edge correspondence. However, the selective excitation of the system in one among the infinitely-many topological skin edge states is challenging both from practical and conceptual viewpoints. In fact, in any realistic system with a finite lattice size most of skin edge states collapse and become metastable state","authors_text":"Stefano Longhi","cross_cats":["cond-mat.str-el","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-09T15:32:39Z","title":"Selective and tunable excitation of topological non-Hermitian skin modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.04988","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":"sha256:8ed2b5995bd46c5139fd026228355c3a99c1f93b9c5081b8f24b47ce1d5f621e","target":"record","created_at":"2026-07-05T04:42:57Z","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":"22df1f24b701bbe0a62d74cc8852dd14b9cf7b5ec4657250ff51cee275cb2e83","cross_cats_sorted":["cond-mat.str-el","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-12-09T15:32:39Z","title_canon_sha256":"93e2257bd767f17a641be9f5fd49ceee3379da949bdc0e21b72c4e416197dbcb"},"schema_version":"1.0","source":{"id":"2112.04988","kind":"arxiv","version":1}},"canonical_sha256":"effdb35aeeb03aa69c4cf1e13c499d23d56378cf81d4168e7c6633e8bd963e1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"effdb35aeeb03aa69c4cf1e13c499d23d56378cf81d4168e7c6633e8bd963e1b","first_computed_at":"2026-07-05T04:42:57.840223Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:42:57.840223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+JytMG122YYqXxgSTtLIKDJkS6pxlhzgrAT7EVbGHN2cQPQebEYCKgXh7lBKCcDEH+Ycoe77UHeyFXxLRZDIAg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:42:57.840725Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.04988","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ed2b5995bd46c5139fd026228355c3a99c1f93b9c5081b8f24b47ce1d5f621e","sha256:bcb8344c4989e2bb39ca0c28ca5db18b1f44d5e144d4d33c73d6703d39b7601c"],"state_sha256":"13e7f912387803f1590917371aff71a81e93c076918579d5e2939198e85c2441"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iAqlaplut45TaQkkyhsIYUBQqSCrF19Y46sZylAGEOnFuks/vr2698uo6jwFfGgQ0cw87FV9ua7uRIkjv4z0Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:08:30.672634Z","bundle_sha256":"ecd474f744b78730a2dd9ccbe3c93ce5d27b9e64ee16ba7547e090c481828274"}}