{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:F6RESHUOHINHV34D5BUX3T6TUA","short_pith_number":"pith:F6RESHUO","canonical_record":{"source":{"id":"1812.07893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-19T11:56:14Z","cross_cats_sorted":[],"title_canon_sha256":"68502c804208d2a8692c6e4aac327310d2af41fdb553744f8c6ddc9c8f073568","abstract_canon_sha256":"9fc86c08d7ca9d9266f2c8ad2a7988b41f8cf4d8b610f59413dd718089b5f2d4"},"schema_version":"1.0"},"canonical_sha256":"2fa2491e8e3a1a7aef83e8697dcfd3a00742e2456d2834afefdc3e9eb4619635","source":{"kind":"arxiv","id":"1812.07893","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.07893","created_at":"2026-05-17T23:42:25Z"},{"alias_kind":"arxiv_version","alias_value":"1812.07893v1","created_at":"2026-05-17T23:42:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.07893","created_at":"2026-05-17T23:42:25Z"},{"alias_kind":"pith_short_12","alias_value":"F6RESHUOHINH","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F6RESHUOHINHV34D","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F6RESHUO","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:F6RESHUOHINHV34D5BUX3T6TUA","target":"record","payload":{"canonical_record":{"source":{"id":"1812.07893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-19T11:56:14Z","cross_cats_sorted":[],"title_canon_sha256":"68502c804208d2a8692c6e4aac327310d2af41fdb553744f8c6ddc9c8f073568","abstract_canon_sha256":"9fc86c08d7ca9d9266f2c8ad2a7988b41f8cf4d8b610f59413dd718089b5f2d4"},"schema_version":"1.0"},"canonical_sha256":"2fa2491e8e3a1a7aef83e8697dcfd3a00742e2456d2834afefdc3e9eb4619635","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:25.541887Z","signature_b64":"UV/DjneJ7E3tqeSp/mhjfmG2w0gpP9k6GN/Vzo4hi/vraZFwyCx8qIPmPsVUvdvf+V9RR3WsNcovxyYdMS+rAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fa2491e8e3a1a7aef83e8697dcfd3a00742e2456d2834afefdc3e9eb4619635","last_reissued_at":"2026-05-17T23:42:25.541188Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:25.541188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.07893","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":"2026-05-17T23:42:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgZ0k6doaF6a8Cb/tAexrrJXbvgkBggASSvM9FTQP5bqUKmGo1Pn28A48sGWp4ftxiuIaoX3l0Ol/pGJekzZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T13:37:06.703665Z"},"content_sha256":"3fea10c3e9a2b403336cd2c8e7451239ed1d42750bf02bf6dd7eba64a6416e2d","schema_version":"1.0","event_id":"sha256:3fea10c3e9a2b403336cd2c8e7451239ed1d42750bf02bf6dd7eba64a6416e2d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:F6RESHUOHINHV34D5BUX3T6TUA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Decay rates and energies of free magnons and bound states in dissipative XXZ chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"C. D. Parmee, N. R. Cooper","submitted_at":"2018-12-19T11:56:14Z","abstract_excerpt":"Chains of coupled two-level atoms behave as 1D quantum spin systems, exhibiting free magnons and magnon bound states. While these excitations are well studied for closed systems, little consideration has been given to how they are altered by the presence of an environment. This will be especially important in systems that exhibit nonlocal dissipation, e.g. systems in which the magnons decay due to optical emission. In this work, we consider free magnon excitations and two-magnon bound states in an XXZ chain with nonlocal dissipation. We prove that whilst the energy of the bound state can lie o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.07893","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":"2026-05-17T23:42:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LdwU+FunP0D2RRT20COWsQAXnWf3+ZSbU7WWlCnWf5qs0cY9EmFrUdf97vJ4fn+L4s58e0T0KIsVTAaGXv9JBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T13:37:06.704396Z"},"content_sha256":"94fad96143d507243ef919a0ab0ca687ad8d30002e5d6ae24416211315f76319","schema_version":"1.0","event_id":"sha256:94fad96143d507243ef919a0ab0ca687ad8d30002e5d6ae24416211315f76319"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F6RESHUOHINHV34D5BUX3T6TUA/bundle.json","state_url":"https://pith.science/pith/F6RESHUOHINHV34D5BUX3T6TUA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F6RESHUOHINHV34D5BUX3T6TUA/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":"2026-06-07T13:37:06Z","links":{"resolver":"https://pith.science/pith/F6RESHUOHINHV34D5BUX3T6TUA","bundle":"https://pith.science/pith/F6RESHUOHINHV34D5BUX3T6TUA/bundle.json","state":"https://pith.science/pith/F6RESHUOHINHV34D5BUX3T6TUA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F6RESHUOHINHV34D5BUX3T6TUA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:F6RESHUOHINHV34D5BUX3T6TUA","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":"9fc86c08d7ca9d9266f2c8ad2a7988b41f8cf4d8b610f59413dd718089b5f2d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-19T11:56:14Z","title_canon_sha256":"68502c804208d2a8692c6e4aac327310d2af41fdb553744f8c6ddc9c8f073568"},"schema_version":"1.0","source":{"id":"1812.07893","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.07893","created_at":"2026-05-17T23:42:25Z"},{"alias_kind":"arxiv_version","alias_value":"1812.07893v1","created_at":"2026-05-17T23:42:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.07893","created_at":"2026-05-17T23:42:25Z"},{"alias_kind":"pith_short_12","alias_value":"F6RESHUOHINH","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F6RESHUOHINHV34D","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F6RESHUO","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:94fad96143d507243ef919a0ab0ca687ad8d30002e5d6ae24416211315f76319","target":"graph","created_at":"2026-05-17T23:42:25Z","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":"Chains of coupled two-level atoms behave as 1D quantum spin systems, exhibiting free magnons and magnon bound states. While these excitations are well studied for closed systems, little consideration has been given to how they are altered by the presence of an environment. This will be especially important in systems that exhibit nonlocal dissipation, e.g. systems in which the magnons decay due to optical emission. In this work, we consider free magnon excitations and two-magnon bound states in an XXZ chain with nonlocal dissipation. We prove that whilst the energy of the bound state can lie o","authors_text":"C. D. Parmee, N. R. Cooper","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-19T11:56:14Z","title":"Decay rates and energies of free magnons and bound states in dissipative XXZ chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.07893","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":"sha256:3fea10c3e9a2b403336cd2c8e7451239ed1d42750bf02bf6dd7eba64a6416e2d","target":"record","created_at":"2026-05-17T23:42:25Z","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":"9fc86c08d7ca9d9266f2c8ad2a7988b41f8cf4d8b610f59413dd718089b5f2d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-19T11:56:14Z","title_canon_sha256":"68502c804208d2a8692c6e4aac327310d2af41fdb553744f8c6ddc9c8f073568"},"schema_version":"1.0","source":{"id":"1812.07893","kind":"arxiv","version":1}},"canonical_sha256":"2fa2491e8e3a1a7aef83e8697dcfd3a00742e2456d2834afefdc3e9eb4619635","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fa2491e8e3a1a7aef83e8697dcfd3a00742e2456d2834afefdc3e9eb4619635","first_computed_at":"2026-05-17T23:42:25.541188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:25.541188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UV/DjneJ7E3tqeSp/mhjfmG2w0gpP9k6GN/Vzo4hi/vraZFwyCx8qIPmPsVUvdvf+V9RR3WsNcovxyYdMS+rAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:25.541887Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.07893","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3fea10c3e9a2b403336cd2c8e7451239ed1d42750bf02bf6dd7eba64a6416e2d","sha256:94fad96143d507243ef919a0ab0ca687ad8d30002e5d6ae24416211315f76319"],"state_sha256":"a11e3565747a28da7032dd1e31d1f534c8aa594230004ab6c8e61afb324c0a9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WiwJyqqsqS5Xhet8k50Z5Le/f4lnVnPq239P5zSZJUp9T8f7HVL7DjGXkxpH8uBJ/k8dVcMjLlOM04zccdWZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T13:37:06.708477Z","bundle_sha256":"ff876bc08b28628dfdcffc75b278195ea76352cadcfb513bce5a351ddad4d446"}}