{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QQDZXEJUWVWF6XJYOYULTCXPXW","short_pith_number":"pith:QQDZXEJU","canonical_record":{"source":{"id":"1705.01967","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T18:24:27Z","cross_cats_sorted":[],"title_canon_sha256":"0cce734d0cab4012ffb91b55d8c903c5bb3d01094a9587b49680b97a7111b703","abstract_canon_sha256":"993f4e469b0757a084abcad3fcaf6b31c72c0a6e8c9f2ba07a7927a0c0066153"},"schema_version":"1.0"},"canonical_sha256":"84079b9134b56c5f5d387628b98aefbd9498c8e2f590f43f223869de3cfd6dc8","source":{"kind":"arxiv","id":"1705.01967","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.01967","created_at":"2026-05-18T00:22:12Z"},{"alias_kind":"arxiv_version","alias_value":"1705.01967v2","created_at":"2026-05-18T00:22:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.01967","created_at":"2026-05-18T00:22:12Z"},{"alias_kind":"pith_short_12","alias_value":"QQDZXEJUWVWF","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QQDZXEJUWVWF6XJY","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QQDZXEJU","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QQDZXEJUWVWF6XJYOYULTCXPXW","target":"record","payload":{"canonical_record":{"source":{"id":"1705.01967","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T18:24:27Z","cross_cats_sorted":[],"title_canon_sha256":"0cce734d0cab4012ffb91b55d8c903c5bb3d01094a9587b49680b97a7111b703","abstract_canon_sha256":"993f4e469b0757a084abcad3fcaf6b31c72c0a6e8c9f2ba07a7927a0c0066153"},"schema_version":"1.0"},"canonical_sha256":"84079b9134b56c5f5d387628b98aefbd9498c8e2f590f43f223869de3cfd6dc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:12.040680Z","signature_b64":"FaCiBviAo9gGfuqxIs+ST5Qw0I3HjTB+zvLZacUgeP6BtabIYzUXHWhbn3OzZYDVL19NfugrgWZg7Iay4lo4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84079b9134b56c5f5d387628b98aefbd9498c8e2f590f43f223869de3cfd6dc8","last_reissued_at":"2026-05-18T00:22:12.040161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:12.040161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.01967","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:22:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QaLpXYLWZfFDfoMtgxM2W9hmQI7Wrergqi/n8EetqBXoQb95ZvD7EeAKeB1VBUFNuIgiWEAmOV6k8e7EWuJeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:30:56.044739Z"},"content_sha256":"8de479445d2c61bb320b29643da0ff1538423607329beea8004b64e4190913de","schema_version":"1.0","event_id":"sha256:8de479445d2c61bb320b29643da0ff1538423607329beea8004b64e4190913de"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QQDZXEJUWVWF6XJYOYULTCXPXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Long-lived entanglement of two multilevel atoms in a waveguide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Francesco V. Pepe, Kazuya Yuasa, Paolo Facchi, Saverio Pascazio","submitted_at":"2017-05-04T18:24:27Z","abstract_excerpt":"We study the presence of nontrivial bound states of two multilevel quantum emitters and the photons propagating in a linear waveguide. We characterize the conditions for the existence of such states and determine their general properties, focusing in particular on the entanglement between the two emitters, that increases with the number of excitations. We discuss the relevance of the results for entanglement preservation and generation by spontaneous relaxation processes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.01967","kind":"arxiv","version":2},"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":"2026-05-18T00:22:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GMiArf7w5UuyfvlJrs6YCWEUybaisHvPtXIKwPiuEzZnPF8Hv8Z2T9OXqzYLNINi9kr/C6KThsotB8S/PW0oAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:30:56.045077Z"},"content_sha256":"1edfc3151e706985dea42e2f9508d58667b5c93b2eebe2856d623734bd6f1dd4","schema_version":"1.0","event_id":"sha256:1edfc3151e706985dea42e2f9508d58667b5c93b2eebe2856d623734bd6f1dd4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQDZXEJUWVWF6XJYOYULTCXPXW/bundle.json","state_url":"https://pith.science/pith/QQDZXEJUWVWF6XJYOYULTCXPXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQDZXEJUWVWF6XJYOYULTCXPXW/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":"2026-06-01T13:30:56Z","links":{"resolver":"https://pith.science/pith/QQDZXEJUWVWF6XJYOYULTCXPXW","bundle":"https://pith.science/pith/QQDZXEJUWVWF6XJYOYULTCXPXW/bundle.json","state":"https://pith.science/pith/QQDZXEJUWVWF6XJYOYULTCXPXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQDZXEJUWVWF6XJYOYULTCXPXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QQDZXEJUWVWF6XJYOYULTCXPXW","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":"993f4e469b0757a084abcad3fcaf6b31c72c0a6e8c9f2ba07a7927a0c0066153","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T18:24:27Z","title_canon_sha256":"0cce734d0cab4012ffb91b55d8c903c5bb3d01094a9587b49680b97a7111b703"},"schema_version":"1.0","source":{"id":"1705.01967","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.01967","created_at":"2026-05-18T00:22:12Z"},{"alias_kind":"arxiv_version","alias_value":"1705.01967v2","created_at":"2026-05-18T00:22:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.01967","created_at":"2026-05-18T00:22:12Z"},{"alias_kind":"pith_short_12","alias_value":"QQDZXEJUWVWF","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QQDZXEJUWVWF6XJY","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QQDZXEJU","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:1edfc3151e706985dea42e2f9508d58667b5c93b2eebe2856d623734bd6f1dd4","target":"graph","created_at":"2026-05-18T00:22:12Z","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":"We study the presence of nontrivial bound states of two multilevel quantum emitters and the photons propagating in a linear waveguide. We characterize the conditions for the existence of such states and determine their general properties, focusing in particular on the entanglement between the two emitters, that increases with the number of excitations. We discuss the relevance of the results for entanglement preservation and generation by spontaneous relaxation processes.","authors_text":"Francesco V. Pepe, Kazuya Yuasa, Paolo Facchi, Saverio Pascazio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T18:24:27Z","title":"Long-lived entanglement of two multilevel atoms in a waveguide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.01967","kind":"arxiv","version":2},"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":"sha256:8de479445d2c61bb320b29643da0ff1538423607329beea8004b64e4190913de","target":"record","created_at":"2026-05-18T00:22:12Z","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":"993f4e469b0757a084abcad3fcaf6b31c72c0a6e8c9f2ba07a7927a0c0066153","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T18:24:27Z","title_canon_sha256":"0cce734d0cab4012ffb91b55d8c903c5bb3d01094a9587b49680b97a7111b703"},"schema_version":"1.0","source":{"id":"1705.01967","kind":"arxiv","version":2}},"canonical_sha256":"84079b9134b56c5f5d387628b98aefbd9498c8e2f590f43f223869de3cfd6dc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84079b9134b56c5f5d387628b98aefbd9498c8e2f590f43f223869de3cfd6dc8","first_computed_at":"2026-05-18T00:22:12.040161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:12.040161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FaCiBviAo9gGfuqxIs+ST5Qw0I3HjTB+zvLZacUgeP6BtabIYzUXHWhbn3OzZYDVL19NfugrgWZg7Iay4lo4Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:12.040680Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.01967","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8de479445d2c61bb320b29643da0ff1538423607329beea8004b64e4190913de","sha256:1edfc3151e706985dea42e2f9508d58667b5c93b2eebe2856d623734bd6f1dd4"],"state_sha256":"690085f2f80b3de6eb66f639e9bc6276b6491abb01c1ae5331b1081de849ca39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CGN/wqSkEvmnWxlQ8QaNa7sVHjzX3iA45OQbGvKA/ikaWh2ZYpmlarQ82ax3tr5SIkGy+XNKrfHSw/iqCz1bAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:30:56.047179Z","bundle_sha256":"bff6eab7d3d45735c2d19a5da7fdb2a91e3663590f716ca3435cdebc6de1de2a"}}