{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:33PO4HBZLRLEYHQD633NBXEQTA","short_pith_number":"pith:33PO4HBZ","canonical_record":{"source":{"id":"2409.08137","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-09-12T15:27:49Z","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph"],"title_canon_sha256":"e15af8edca58553863afea2726f9574016fccf58fe4112884d912ad8b80edfe5","abstract_canon_sha256":"1113bde30f30f057e00d63f9703b0b7f371fb2d4b21b10bea060637d26294d8f"},"schema_version":"1.0"},"canonical_sha256":"dedeee1c395c564c1e03f6f6d0dc90983c1ea9d72fe1bcfb8768cb7032e0c362","source":{"kind":"arxiv","id":"2409.08137","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.08137","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"arxiv_version","alias_value":"2409.08137v5","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.08137","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"pith_short_12","alias_value":"33PO4HBZLRLE","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"pith_short_16","alias_value":"33PO4HBZLRLEYHQD","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"pith_short_8","alias_value":"33PO4HBZ","created_at":"2026-08-06T01:36:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:33PO4HBZLRLEYHQD633NBXEQTA","target":"record","payload":{"canonical_record":{"source":{"id":"2409.08137","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-09-12T15:27:49Z","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph"],"title_canon_sha256":"e15af8edca58553863afea2726f9574016fccf58fe4112884d912ad8b80edfe5","abstract_canon_sha256":"1113bde30f30f057e00d63f9703b0b7f371fb2d4b21b10bea060637d26294d8f"},"schema_version":"1.0"},"canonical_sha256":"dedeee1c395c564c1e03f6f6d0dc90983c1ea9d72fe1bcfb8768cb7032e0c362","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:36:45.484952Z","signature_b64":"0sGdieqP+gEPhH6F2ziJCuX4hI33W1iCYi2YU6Bikle6uzKIa1wIKu049NpSB6KsZwkwOcyGWaHXHSrN7Qo/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dedeee1c395c564c1e03f6f6d0dc90983c1ea9d72fe1bcfb8768cb7032e0c362","last_reissued_at":"2026-08-06T01:36:45.483347Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:36:45.483347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.08137","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-06T01:36:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oAwX2zosHiodDDzEtx4bGj2Tfdts7dZuubu/VvimkKxrmHzz5MPhc2GyADCQ/hlxMMnVQsIkOmVmzn3WzW++Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:29:44.657614Z"},"content_sha256":"2afd61ac65eda5d41b1abc60b24b34308d23fd4e47e5ef62a1baa28733a3f89f","schema_version":"1.0","event_id":"sha256:2afd61ac65eda5d41b1abc60b24b34308d23fd4e47e5ef62a1baa28733a3f89f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:33PO4HBZLRLEYHQD633NBXEQTA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photon-Blockade Analogue Nonreciprocal Absorption in Spatiotemporal Metasurfaces","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.supr-con","physics.app-ph"],"primary_cat":"quant-ph","authors_text":"Sajjad Taravati","submitted_at":"2024-09-12T15:27:49Z","abstract_excerpt":"Controlling the flow of electromagnetic energy is essential for advancing quantum technologies. We introduce a spatiotemporally modulated superconducting metasurface that exhibits photon-blockade-analogue nonreciprocal absorption. In this system, the frequency of incident radiation is matched to the modulation frequency of the metasurface, enabling one-way directional absorption. Forward-traveling waves undergo resonant coupling to higher-order Floquet harmonics and are absorbed within the slab, while backward-traveling waves transmit freely without interaction. This behavior arises from class"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.08137","kind":"arxiv","version":5},"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/2409.08137/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":"2026-08-06T01:36:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zFjH5+s5IV6y1YniEvKrF2qWadRDxJ1eKjNMNTVQa/ReDmq1naO12hzVzOBM/P7qWJICKp3ca8Yj32dEDVpKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:29:44.658179Z"},"content_sha256":"6ff0b99de63440809151479df5aba7755a745c5141315c487dc826d49d220da3","schema_version":"1.0","event_id":"sha256:6ff0b99de63440809151479df5aba7755a745c5141315c487dc826d49d220da3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/33PO4HBZLRLEYHQD633NBXEQTA/bundle.json","state_url":"https://pith.science/pith/33PO4HBZLRLEYHQD633NBXEQTA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/33PO4HBZLRLEYHQD633NBXEQTA/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":"2026-08-14T14:29:44Z","links":{"resolver":"https://pith.science/pith/33PO4HBZLRLEYHQD633NBXEQTA","bundle":"https://pith.science/pith/33PO4HBZLRLEYHQD633NBXEQTA/bundle.json","state":"https://pith.science/pith/33PO4HBZLRLEYHQD633NBXEQTA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/33PO4HBZLRLEYHQD633NBXEQTA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:33PO4HBZLRLEYHQD633NBXEQTA","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":"1113bde30f30f057e00d63f9703b0b7f371fb2d4b21b10bea060637d26294d8f","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-09-12T15:27:49Z","title_canon_sha256":"e15af8edca58553863afea2726f9574016fccf58fe4112884d912ad8b80edfe5"},"schema_version":"1.0","source":{"id":"2409.08137","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.08137","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"arxiv_version","alias_value":"2409.08137v5","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.08137","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"pith_short_12","alias_value":"33PO4HBZLRLE","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"pith_short_16","alias_value":"33PO4HBZLRLEYHQD","created_at":"2026-08-06T01:36:45Z"},{"alias_kind":"pith_short_8","alias_value":"33PO4HBZ","created_at":"2026-08-06T01:36:45Z"}],"graph_snapshots":[{"event_id":"sha256:6ff0b99de63440809151479df5aba7755a745c5141315c487dc826d49d220da3","target":"graph","created_at":"2026-08-06T01:36:45Z","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/2409.08137/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Controlling the flow of electromagnetic energy is essential for advancing quantum technologies. We introduce a spatiotemporally modulated superconducting metasurface that exhibits photon-blockade-analogue nonreciprocal absorption. In this system, the frequency of incident radiation is matched to the modulation frequency of the metasurface, enabling one-way directional absorption. Forward-traveling waves undergo resonant coupling to higher-order Floquet harmonics and are absorbed within the slab, while backward-traveling waves transmit freely without interaction. This behavior arises from class","authors_text":"Sajjad Taravati","cross_cats":["cond-mat.supr-con","physics.app-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-09-12T15:27:49Z","title":"Photon-Blockade Analogue Nonreciprocal Absorption in Spatiotemporal Metasurfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.08137","kind":"arxiv","version":5},"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":"sha256:2afd61ac65eda5d41b1abc60b24b34308d23fd4e47e5ef62a1baa28733a3f89f","target":"record","created_at":"2026-08-06T01:36:45Z","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":"1113bde30f30f057e00d63f9703b0b7f371fb2d4b21b10bea060637d26294d8f","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-09-12T15:27:49Z","title_canon_sha256":"e15af8edca58553863afea2726f9574016fccf58fe4112884d912ad8b80edfe5"},"schema_version":"1.0","source":{"id":"2409.08137","kind":"arxiv","version":5}},"canonical_sha256":"dedeee1c395c564c1e03f6f6d0dc90983c1ea9d72fe1bcfb8768cb7032e0c362","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dedeee1c395c564c1e03f6f6d0dc90983c1ea9d72fe1bcfb8768cb7032e0c362","first_computed_at":"2026-08-06T01:36:45.483347Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-06T01:36:45.483347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0sGdieqP+gEPhH6F2ziJCuX4hI33W1iCYi2YU6Bikle6uzKIa1wIKu049NpSB6KsZwkwOcyGWaHXHSrN7Qo/AQ==","signature_status":"signed_v1","signed_at":"2026-08-06T01:36:45.484952Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.08137","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2afd61ac65eda5d41b1abc60b24b34308d23fd4e47e5ef62a1baa28733a3f89f","sha256:6ff0b99de63440809151479df5aba7755a745c5141315c487dc826d49d220da3"],"state_sha256":"50855443a81385dc05ea8903b2af28310ab45fecd71da125927b57195494848c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JyZ3C6ISKpgSa3L9F1Joo39qHb+87H79L8J6SXeZFN8WCbmjka6Uhr9PYPv9EfapxQW17dGTioLwQhKe4210BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T14:29:44.664258Z","bundle_sha256":"f936515ae3ac32c26c30d7ba1023febd3def7571347e2d3ad25e782ab3c2a3ce"}}