{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:V5WWEPVBNHAEM7FCMU4WFH3IJ7","short_pith_number":"pith:V5WWEPVB","canonical_record":{"source":{"id":"2405.19408","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-29T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"904aba6d04bbb84a28521726bcdc93fbde73cdd3e853694c93ee9cf087b74ea5","abstract_canon_sha256":"3c8f0f1cf3860ccbf1d13e5f6c0beacc899ee3b299c3be85c0251b6751692aa5"},"schema_version":"1.0"},"canonical_sha256":"af6d623ea169c0467ca26539629f684fd8fc8dfd01a6551e7d4326c486e52f3d","source":{"kind":"arxiv","id":"2405.19408","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.19408","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"arxiv_version","alias_value":"2405.19408v2","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.19408","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"pith_short_12","alias_value":"V5WWEPVBNHAE","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"pith_short_16","alias_value":"V5WWEPVBNHAEM7FC","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"pith_short_8","alias_value":"V5WWEPVB","created_at":"2026-07-05T10:39:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:V5WWEPVBNHAEM7FCMU4WFH3IJ7","target":"record","payload":{"canonical_record":{"source":{"id":"2405.19408","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-29T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"904aba6d04bbb84a28521726bcdc93fbde73cdd3e853694c93ee9cf087b74ea5","abstract_canon_sha256":"3c8f0f1cf3860ccbf1d13e5f6c0beacc899ee3b299c3be85c0251b6751692aa5"},"schema_version":"1.0"},"canonical_sha256":"af6d623ea169c0467ca26539629f684fd8fc8dfd01a6551e7d4326c486e52f3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:39:19.132666Z","signature_b64":"9DYKmnaahELObgyfCMzjbtRB5CDPh8SMCYIG7DKubUXDF0ZA0wooLY36ltwzuD/cNGeN0UKOPgdSyy1jB/hPDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af6d623ea169c0467ca26539629f684fd8fc8dfd01a6551e7d4326c486e52f3d","last_reissued_at":"2026-07-05T10:39:19.132183Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:39:19.132183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.19408","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":"2026-07-05T10:39:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eZ7OgyMPtAmmnOZQVUgCO3u32UhxofOxgS6Sy+toehGDa3DkwGfAxX/FWCY9WsBjRQWeKIyE6Qx9CrvLAkpCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T13:47:02.841856Z"},"content_sha256":"ad73c387d9908332f22079dc6a61126fbbd428f885e2310b04cc4d524686d615","schema_version":"1.0","event_id":"sha256:ad73c387d9908332f22079dc6a61126fbbd428f885e2310b04cc4d524686d615"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:V5WWEPVBNHAEM7FCMU4WFH3IJ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parity-dependent state transfer for direct entanglement generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Achim Marx, Christian M. F. Schneider, Christian Schweizer, David Bunch, Federico A. Roy, Florian Wallner, Franz X. Haslbeck, Frederik Pfeiffer, Gerhard B. P. Huber, Gleb Krylov, Ivan Tsitsilin, Jo\\~ao H. Romeiro, Johannes Schirk, Klaus Liegener, Lasse S\\\"odergren, Lea Richard, Leon Koch, Malay Singh, Max Werninghaus, Niklas Bruckmoser, Niklas J. Glaser, Stefan Filipp","submitted_at":"2024-05-29T18:00:04Z","abstract_excerpt":"As quantum information technologies advance, challenges in scaling and connectivity persist, particularly the need for long-range qubit connectivity and efficient entanglement generation. Perfect State Transfer enables time-optimal state transfer between distant qubits using only nearest-neighbor couplings, enhancing device connectivity. Moreover, the transfer protocol results in effective parity-dependent non-local interactions, extending its utility to entanglement generation. Here, we experimentally demonstrate Perfect State Transfer and multi-qubit entanglement generation on a chain of six"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.19408","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2405.19408/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":"2026-07-05T10:39:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MHM4UTIh2QXQorrRY22NLgoAfHOI6fMdPlXzXNz7gf1Cg6uP6Y4HrshrRzaXMTIkFzwETwJHuK+mmYtyFFA1Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T13:47:02.842238Z"},"content_sha256":"e96b531856fc0ecac85a1e9eda334d411011350c99a96b82f9fcb67263603ffa","schema_version":"1.0","event_id":"sha256:e96b531856fc0ecac85a1e9eda334d411011350c99a96b82f9fcb67263603ffa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V5WWEPVBNHAEM7FCMU4WFH3IJ7/bundle.json","state_url":"https://pith.science/pith/V5WWEPVBNHAEM7FCMU4WFH3IJ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V5WWEPVBNHAEM7FCMU4WFH3IJ7/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":"2026-07-22T13:47:02Z","links":{"resolver":"https://pith.science/pith/V5WWEPVBNHAEM7FCMU4WFH3IJ7","bundle":"https://pith.science/pith/V5WWEPVBNHAEM7FCMU4WFH3IJ7/bundle.json","state":"https://pith.science/pith/V5WWEPVBNHAEM7FCMU4WFH3IJ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V5WWEPVBNHAEM7FCMU4WFH3IJ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:V5WWEPVBNHAEM7FCMU4WFH3IJ7","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":"3c8f0f1cf3860ccbf1d13e5f6c0beacc899ee3b299c3be85c0251b6751692aa5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-29T18:00:04Z","title_canon_sha256":"904aba6d04bbb84a28521726bcdc93fbde73cdd3e853694c93ee9cf087b74ea5"},"schema_version":"1.0","source":{"id":"2405.19408","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.19408","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"arxiv_version","alias_value":"2405.19408v2","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.19408","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"pith_short_12","alias_value":"V5WWEPVBNHAE","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"pith_short_16","alias_value":"V5WWEPVBNHAEM7FC","created_at":"2026-07-05T10:39:19Z"},{"alias_kind":"pith_short_8","alias_value":"V5WWEPVB","created_at":"2026-07-05T10:39:19Z"}],"graph_snapshots":[{"event_id":"sha256:e96b531856fc0ecac85a1e9eda334d411011350c99a96b82f9fcb67263603ffa","target":"graph","created_at":"2026-07-05T10:39:19Z","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/2405.19408/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As quantum information technologies advance, challenges in scaling and connectivity persist, particularly the need for long-range qubit connectivity and efficient entanglement generation. Perfect State Transfer enables time-optimal state transfer between distant qubits using only nearest-neighbor couplings, enhancing device connectivity. Moreover, the transfer protocol results in effective parity-dependent non-local interactions, extending its utility to entanglement generation. Here, we experimentally demonstrate Perfect State Transfer and multi-qubit entanglement generation on a chain of six","authors_text":"Achim Marx, Christian M. F. Schneider, Christian Schweizer, David Bunch, Federico A. Roy, Florian Wallner, Franz X. Haslbeck, Frederik Pfeiffer, Gerhard B. P. Huber, Gleb Krylov, Ivan Tsitsilin, Jo\\~ao H. Romeiro, Johannes Schirk, Klaus Liegener, Lasse S\\\"odergren, Lea Richard, Leon Koch, Malay Singh, Max Werninghaus, Niklas Bruckmoser, Niklas J. Glaser, Stefan Filipp","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-29T18:00:04Z","title":"Parity-dependent state transfer for direct entanglement generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.19408","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:ad73c387d9908332f22079dc6a61126fbbd428f885e2310b04cc4d524686d615","target":"record","created_at":"2026-07-05T10:39:19Z","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":"3c8f0f1cf3860ccbf1d13e5f6c0beacc899ee3b299c3be85c0251b6751692aa5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-29T18:00:04Z","title_canon_sha256":"904aba6d04bbb84a28521726bcdc93fbde73cdd3e853694c93ee9cf087b74ea5"},"schema_version":"1.0","source":{"id":"2405.19408","kind":"arxiv","version":2}},"canonical_sha256":"af6d623ea169c0467ca26539629f684fd8fc8dfd01a6551e7d4326c486e52f3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af6d623ea169c0467ca26539629f684fd8fc8dfd01a6551e7d4326c486e52f3d","first_computed_at":"2026-07-05T10:39:19.132183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:39:19.132183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9DYKmnaahELObgyfCMzjbtRB5CDPh8SMCYIG7DKubUXDF0ZA0wooLY36ltwzuD/cNGeN0UKOPgdSyy1jB/hPDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:39:19.132666Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.19408","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad73c387d9908332f22079dc6a61126fbbd428f885e2310b04cc4d524686d615","sha256:e96b531856fc0ecac85a1e9eda334d411011350c99a96b82f9fcb67263603ffa"],"state_sha256":"d5acaab5ce97fbdfe61636fcf0eb4e7575b6134a393fb5646eadf7a8c4223460"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mtBBrFznrZRFVRifl/bmc6jbA/EZ5rGFyTFRQBMttwq4zZe+H4no35Y0S0XjCSSTvGdA9k91jGjChH95QyqxDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T13:47:02.844905Z","bundle_sha256":"a81ab53e86ace06d488a9ec5fc14008a66511a0b37e77a70ad51fd3fa9e8a5eb"}}