{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:MZTQ6LVVFYTHQZEG7HZVTOLWDX","short_pith_number":"pith:MZTQ6LVV","canonical_record":{"source":{"id":"2302.03572","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-02-07T16:34:48Z","cross_cats_sorted":[],"title_canon_sha256":"ac1a5164e3aa4876c73bb9f068c18a0ec20e5fa8d198628e20567e1d785198e1","abstract_canon_sha256":"95fb31ac634cc7e9fb8c6f30ff7c1641d4cacc938244c9751d377964742a435b"},"schema_version":"1.0"},"canonical_sha256":"66670f2eb52e26786486f9f359b9761de00ab7d752f7701d58aaef235050fc7c","source":{"kind":"arxiv","id":"2302.03572","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.03572","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"2302.03572v3","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.03572","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"MZTQ6LVVFYTH","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"pith_short_16","alias_value":"MZTQ6LVVFYTHQZEG","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"pith_short_8","alias_value":"MZTQ6LVV","created_at":"2026-07-05T06:36:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:MZTQ6LVVFYTHQZEG7HZVTOLWDX","target":"record","payload":{"canonical_record":{"source":{"id":"2302.03572","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-02-07T16:34:48Z","cross_cats_sorted":[],"title_canon_sha256":"ac1a5164e3aa4876c73bb9f068c18a0ec20e5fa8d198628e20567e1d785198e1","abstract_canon_sha256":"95fb31ac634cc7e9fb8c6f30ff7c1641d4cacc938244c9751d377964742a435b"},"schema_version":"1.0"},"canonical_sha256":"66670f2eb52e26786486f9f359b9761de00ab7d752f7701d58aaef235050fc7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:36:29.249583Z","signature_b64":"i//QgUVBJanGbGer/Tg4VJk20wwxQMFd6OPUlqJjrMvxjxC9UpCvK9Tl/O6LAbeaHr0imw5b+/haLc68mJPkCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66670f2eb52e26786486f9f359b9761de00ab7d752f7701d58aaef235050fc7c","last_reissued_at":"2026-07-05T06:36:29.249065Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:36:29.249065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.03572","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BAaKOPpEEHSt8L4Q3cCK5SZkR6BCAHg6UT1G3EE3Z7OLN5xvXBqJYiQYpmjRAadV401B1MKSGFpwnVsEVCyxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T12:31:50.760869Z"},"content_sha256":"1682773354dc7c27db07075214b20efd11a2a388bad164be844b1572d5206e0e","schema_version":"1.0","event_id":"sha256:1682773354dc7c27db07075214b20efd11a2a388bad164be844b1572d5206e0e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:MZTQ6LVVFYTHQZEG7HZVTOLWDX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coexistence of stable and unstable population dynamics in a nonlinear non-Hermitian mechanical dimer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Bryce Gadway, Enrico Martello, Hannah M. Price, Tomoki Ozawa, Yaashnaa Singhal","submitted_at":"2023-02-07T16:34:48Z","abstract_excerpt":"Non-Hermitian two-site ``dimers'' serve as minimal models in which to explore the interplay of gain and loss in dynamical systems. In this paper, we experimentally and theoretically investigate the dynamics of non-Hermitian dimer models with non-reciprocal hoppings between the two sites. We investigate two types of non-Hermitian couplings; one is when asymmetric hoppings are externally introduced, and the other is when the non-reciprocal hoppings depend on the population imbalance between the two sites, thus introducing the non-Hermiticity in a dynamical manner. We engineer the models in our s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.03572","kind":"arxiv","version":3},"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/2302.03572/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":"2026-07-05T06:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"88FKG0QCwNwKu4kFSkimaOqtezD5oesi2JkxOPmXgRWhye2UmFWkPAES+jc4mk+g/axhoP5RDdMd5420osdkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T12:31:50.761256Z"},"content_sha256":"7a88b20a84d433aad0b95c02e2fc977d65af7af140d81c6f85abc496994beeb3","schema_version":"1.0","event_id":"sha256:7a88b20a84d433aad0b95c02e2fc977d65af7af140d81c6f85abc496994beeb3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZTQ6LVVFYTHQZEG7HZVTOLWDX/bundle.json","state_url":"https://pith.science/pith/MZTQ6LVVFYTHQZEG7HZVTOLWDX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZTQ6LVVFYTHQZEG7HZVTOLWDX/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":"2026-08-17T12:31:50Z","links":{"resolver":"https://pith.science/pith/MZTQ6LVVFYTHQZEG7HZVTOLWDX","bundle":"https://pith.science/pith/MZTQ6LVVFYTHQZEG7HZVTOLWDX/bundle.json","state":"https://pith.science/pith/MZTQ6LVVFYTHQZEG7HZVTOLWDX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZTQ6LVVFYTHQZEG7HZVTOLWDX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:MZTQ6LVVFYTHQZEG7HZVTOLWDX","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":"95fb31ac634cc7e9fb8c6f30ff7c1641d4cacc938244c9751d377964742a435b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-02-07T16:34:48Z","title_canon_sha256":"ac1a5164e3aa4876c73bb9f068c18a0ec20e5fa8d198628e20567e1d785198e1"},"schema_version":"1.0","source":{"id":"2302.03572","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.03572","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"2302.03572v3","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.03572","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"MZTQ6LVVFYTH","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"pith_short_16","alias_value":"MZTQ6LVVFYTHQZEG","created_at":"2026-07-05T06:36:29Z"},{"alias_kind":"pith_short_8","alias_value":"MZTQ6LVV","created_at":"2026-07-05T06:36:29Z"}],"graph_snapshots":[{"event_id":"sha256:7a88b20a84d433aad0b95c02e2fc977d65af7af140d81c6f85abc496994beeb3","target":"graph","created_at":"2026-07-05T06:36:29Z","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/2302.03572/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Non-Hermitian two-site ``dimers'' serve as minimal models in which to explore the interplay of gain and loss in dynamical systems. In this paper, we experimentally and theoretically investigate the dynamics of non-Hermitian dimer models with non-reciprocal hoppings between the two sites. We investigate two types of non-Hermitian couplings; one is when asymmetric hoppings are externally introduced, and the other is when the non-reciprocal hoppings depend on the population imbalance between the two sites, thus introducing the non-Hermiticity in a dynamical manner. We engineer the models in our s","authors_text":"Bryce Gadway, Enrico Martello, Hannah M. Price, Tomoki Ozawa, Yaashnaa Singhal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-02-07T16:34:48Z","title":"Coexistence of stable and unstable population dynamics in a nonlinear non-Hermitian mechanical dimer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.03572","kind":"arxiv","version":3},"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":"sha256:1682773354dc7c27db07075214b20efd11a2a388bad164be844b1572d5206e0e","target":"record","created_at":"2026-07-05T06:36:29Z","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":"95fb31ac634cc7e9fb8c6f30ff7c1641d4cacc938244c9751d377964742a435b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-02-07T16:34:48Z","title_canon_sha256":"ac1a5164e3aa4876c73bb9f068c18a0ec20e5fa8d198628e20567e1d785198e1"},"schema_version":"1.0","source":{"id":"2302.03572","kind":"arxiv","version":3}},"canonical_sha256":"66670f2eb52e26786486f9f359b9761de00ab7d752f7701d58aaef235050fc7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66670f2eb52e26786486f9f359b9761de00ab7d752f7701d58aaef235050fc7c","first_computed_at":"2026-07-05T06:36:29.249065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:36:29.249065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i//QgUVBJanGbGer/Tg4VJk20wwxQMFd6OPUlqJjrMvxjxC9UpCvK9Tl/O6LAbeaHr0imw5b+/haLc68mJPkCg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:36:29.249583Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.03572","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1682773354dc7c27db07075214b20efd11a2a388bad164be844b1572d5206e0e","sha256:7a88b20a84d433aad0b95c02e2fc977d65af7af140d81c6f85abc496994beeb3"],"state_sha256":"2896b7739a973d09010b2ee3b6ca2b79525514a6a9fe73c4b2cd8d40f415bb7d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GSj56At4+j8U6GPIZyRe5xioYxq4he4pQvX9hivpZlequcdHftkDxkAVEskaq9N/6VW8D0Pd/33QpggBBv38Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T12:31:50.764098Z","bundle_sha256":"6385988241ffa3c4fdd725f59b3d16a68709f06f9a5955656544ff863bc92a24"}}