{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WCEAAZHHVDCD4YTQGJN6T7FFBS","short_pith_number":"pith:WCEAAZHH","canonical_record":{"source":{"id":"1803.02115","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-06T11:18:50Z","cross_cats_sorted":[],"title_canon_sha256":"c385fd9c9202888a34f26e027c6e0dcd3b624328d0a335607a5dfda7b61a4ef5","abstract_canon_sha256":"9884314e7432f56382dddceabc5d888786c427cff8e0dd4821106685918c34c0"},"schema_version":"1.0"},"canonical_sha256":"b0880064e7a8c43e6270325be9fca50cbff2ab6f4c95f298a41433e57772e2e1","source":{"kind":"arxiv","id":"1803.02115","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.02115","created_at":"2026-05-17T23:51:44Z"},{"alias_kind":"arxiv_version","alias_value":"1803.02115v2","created_at":"2026-05-17T23:51:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.02115","created_at":"2026-05-17T23:51:44Z"},{"alias_kind":"pith_short_12","alias_value":"WCEAAZHHVDCD","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WCEAAZHHVDCD4YTQ","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WCEAAZHH","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WCEAAZHHVDCD4YTQGJN6T7FFBS","target":"record","payload":{"canonical_record":{"source":{"id":"1803.02115","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-06T11:18:50Z","cross_cats_sorted":[],"title_canon_sha256":"c385fd9c9202888a34f26e027c6e0dcd3b624328d0a335607a5dfda7b61a4ef5","abstract_canon_sha256":"9884314e7432f56382dddceabc5d888786c427cff8e0dd4821106685918c34c0"},"schema_version":"1.0"},"canonical_sha256":"b0880064e7a8c43e6270325be9fca50cbff2ab6f4c95f298a41433e57772e2e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:44.299687Z","signature_b64":"9mi42uWQokvYWKdM9McKoYv7+hKtL4j1BQ+0nmSS52S9HBGaMj5eIdnseFh/QbxoppxSdpBD9i3yWvdX4EuWCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0880064e7a8c43e6270325be9fca50cbff2ab6f4c95f298a41433e57772e2e1","last_reissued_at":"2026-05-17T23:51:44.299088Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:44.299088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.02115","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":"2026-05-17T23:51:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E29LOp+m7QSga5j33g4OThko6iLiR0RuRLen0rJEWtcuGXFvS7UcrCv3a/Rkn2X6DxS9NvGtXA7VAwIV3aaSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:40:49.566329Z"},"content_sha256":"4332dd232196885bfb3d8b768dcb60e0f47b6616647386a44170bfeac504864f","schema_version":"1.0","event_id":"sha256:4332dd232196885bfb3d8b768dcb60e0f47b6616647386a44170bfeac504864f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WCEAAZHHVDCD4YTQGJN6T7FFBS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Subradiant states of quantum bits coupled to a one-dimensional waveguide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ana Asenjo-Garcia, Andreas Albrecht, Darrick E. Chang, Lo\\\"ic Henriet, Oskar Painter, Paul B. Dieterle","submitted_at":"2018-03-06T11:18:50Z","abstract_excerpt":"The properties of coupled emitters can differ dramatically from those of their individual constituents. Canonical examples include sub- and super-radiance, wherein the decay rate of a collective excitation is reduced or enhanced due to correlated interactions with the environment. Here, we systematically study the properties of collective excitations for regularly spaced arrays of quantum emitters coupled to a one-dimensional (1D) waveguide. We find that, for low excitation numbers, the modal properties are well-characterized by spin waves with a definite wavevector. Moreover, the decay rate o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02115","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":"2026-05-17T23:51:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0yjkjBWEfCqKhUm3IetcfWtrFaHJ28Dak/djLkRyDkw50Q1hxBFK3IspKcdD6Xib4FAO/PLyj28lgsFaEcMoBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:40:49.566994Z"},"content_sha256":"155fd3804c43feb66406261b004039a466b35b85fffe7efbc8d22cac555849d1","schema_version":"1.0","event_id":"sha256:155fd3804c43feb66406261b004039a466b35b85fffe7efbc8d22cac555849d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WCEAAZHHVDCD4YTQGJN6T7FFBS/bundle.json","state_url":"https://pith.science/pith/WCEAAZHHVDCD4YTQGJN6T7FFBS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WCEAAZHHVDCD4YTQGJN6T7FFBS/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":"2026-05-25T23:40:49Z","links":{"resolver":"https://pith.science/pith/WCEAAZHHVDCD4YTQGJN6T7FFBS","bundle":"https://pith.science/pith/WCEAAZHHVDCD4YTQGJN6T7FFBS/bundle.json","state":"https://pith.science/pith/WCEAAZHHVDCD4YTQGJN6T7FFBS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WCEAAZHHVDCD4YTQGJN6T7FFBS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WCEAAZHHVDCD4YTQGJN6T7FFBS","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":"9884314e7432f56382dddceabc5d888786c427cff8e0dd4821106685918c34c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-06T11:18:50Z","title_canon_sha256":"c385fd9c9202888a34f26e027c6e0dcd3b624328d0a335607a5dfda7b61a4ef5"},"schema_version":"1.0","source":{"id":"1803.02115","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.02115","created_at":"2026-05-17T23:51:44Z"},{"alias_kind":"arxiv_version","alias_value":"1803.02115v2","created_at":"2026-05-17T23:51:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.02115","created_at":"2026-05-17T23:51:44Z"},{"alias_kind":"pith_short_12","alias_value":"WCEAAZHHVDCD","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WCEAAZHHVDCD4YTQ","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WCEAAZHH","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:155fd3804c43feb66406261b004039a466b35b85fffe7efbc8d22cac555849d1","target":"graph","created_at":"2026-05-17T23:51:44Z","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":"The properties of coupled emitters can differ dramatically from those of their individual constituents. Canonical examples include sub- and super-radiance, wherein the decay rate of a collective excitation is reduced or enhanced due to correlated interactions with the environment. Here, we systematically study the properties of collective excitations for regularly spaced arrays of quantum emitters coupled to a one-dimensional (1D) waveguide. We find that, for low excitation numbers, the modal properties are well-characterized by spin waves with a definite wavevector. Moreover, the decay rate o","authors_text":"Ana Asenjo-Garcia, Andreas Albrecht, Darrick E. Chang, Lo\\\"ic Henriet, Oskar Painter, Paul B. Dieterle","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-06T11:18:50Z","title":"Subradiant states of quantum bits coupled to a one-dimensional waveguide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02115","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":"sha256:4332dd232196885bfb3d8b768dcb60e0f47b6616647386a44170bfeac504864f","target":"record","created_at":"2026-05-17T23:51:44Z","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":"9884314e7432f56382dddceabc5d888786c427cff8e0dd4821106685918c34c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-06T11:18:50Z","title_canon_sha256":"c385fd9c9202888a34f26e027c6e0dcd3b624328d0a335607a5dfda7b61a4ef5"},"schema_version":"1.0","source":{"id":"1803.02115","kind":"arxiv","version":2}},"canonical_sha256":"b0880064e7a8c43e6270325be9fca50cbff2ab6f4c95f298a41433e57772e2e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0880064e7a8c43e6270325be9fca50cbff2ab6f4c95f298a41433e57772e2e1","first_computed_at":"2026-05-17T23:51:44.299088Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:44.299088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9mi42uWQokvYWKdM9McKoYv7+hKtL4j1BQ+0nmSS52S9HBGaMj5eIdnseFh/QbxoppxSdpBD9i3yWvdX4EuWCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:44.299687Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.02115","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4332dd232196885bfb3d8b768dcb60e0f47b6616647386a44170bfeac504864f","sha256:155fd3804c43feb66406261b004039a466b35b85fffe7efbc8d22cac555849d1"],"state_sha256":"bd4e4bc34101c3a2c22ef7dcf32bb17dd59f6e0cdb7eb22497fa807d86714a80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sfCew8mUD2+znXabr7wXEKYECLBRzBi7Rz/BEFxzpROR65HpCY9gAo0XFbNY35SnthvPkCF0R0aPxRTpDnsMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:40:49.570444Z","bundle_sha256":"c3aaf31dff31edeb72f349fc33e3114b37ce4536f2c6c92d00a8a4ee3fc84cdd"}}