{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WEERUGI6S2YT5JJQWHTZPSAGR3","short_pith_number":"pith:WEERUGI6","canonical_record":{"source":{"id":"2410.15883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-10-21T11:01:44Z","cross_cats_sorted":[],"title_canon_sha256":"d426a85cf47658e92af758d17858b14dbdef0a8f255bef0cf64b7f5363b90123","abstract_canon_sha256":"545021fd82de5c7ac8f7aec9210d0d12cfeea8f8775f7cb0ab4f3093b36afb93"},"schema_version":"1.0"},"canonical_sha256":"b1091a191e96b13ea530b1e797c8068ef1591f434af0ec317801306f0812436b","source":{"kind":"arxiv","id":"2410.15883","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.15883","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"2410.15883v1","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.15883","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"WEERUGI6S2YT","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"WEERUGI6S2YT5JJQ","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"WEERUGI6","created_at":"2026-07-01T01:17:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WEERUGI6S2YT5JJQWHTZPSAGR3","target":"record","payload":{"canonical_record":{"source":{"id":"2410.15883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-10-21T11:01:44Z","cross_cats_sorted":[],"title_canon_sha256":"d426a85cf47658e92af758d17858b14dbdef0a8f255bef0cf64b7f5363b90123","abstract_canon_sha256":"545021fd82de5c7ac8f7aec9210d0d12cfeea8f8775f7cb0ab4f3093b36afb93"},"schema_version":"1.0"},"canonical_sha256":"b1091a191e96b13ea530b1e797c8068ef1591f434af0ec317801306f0812436b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T01:17:38.377811Z","signature_b64":"X5a8STSQf/ZNnZqKx691ayOfbR294P1LWguL7kp7MfknESgDrJEbvJOLDqx4MiAXQArpgd3C7YnlbkdLMrDkBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1091a191e96b13ea530b1e797c8068ef1591f434af0ec317801306f0812436b","last_reissued_at":"2026-07-01T01:17:38.377286Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T01:17:38.377286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.15883","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":"2026-07-01T01:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AYMkyhgoHj0rQh2wrSnGpLomGbeLKlRIhtP8ovo0L1NrtQL3yuyKxNJ0RWc+NRx/bHXkPbbxpm31MAs9ZyylBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:21:31.764001Z"},"content_sha256":"22d8350aa4b58594569f501c92be30b6cc505fd3f3e20f199073ddf9c0739b89","schema_version":"1.0","event_id":"sha256:22d8350aa4b58594569f501c92be30b6cc505fd3f3e20f199073ddf9c0739b89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WEERUGI6S2YT5JJQWHTZPSAGR3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental observation of counter-intuitive features of photonic bunching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alessia Suprano, Carlos Fernandes, Daniel J. Brod, Ernesto F. Galv\\~ao, Eugenio Caruccio, Fabio Sciarrino, Francesco Ceccarelli, Francesco Hoch, Giacomo Corrielli, Giovanni Rodari, Gonzalo Carvacho, Leonardo Novo, Nicol\\`o Spagnolo, Niki Di Giano, Riccardo Albiero, Roberto Osellame, Taira Giordani","submitted_at":"2024-10-21T11:01:44Z","abstract_excerpt":"Bosonic bunching is a term used to describe the well-known tendency of bosons to bunch together, and which differentiates their behaviour from that of fermions or classical particles. However, in some situations perfectly indistinguishable bosons may counter-intuitively bunch less than classical, distinguishable particles. Here we report two such counter-intuitive multiphoton bunching effects observed with three photons in a three-mode balanced photonic Fourier interferometer. In this setting, we show indistinguishable photons actually minimize the probability of bunching. We also show that an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.15883","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.15883/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":"2026-07-01T01:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R4hom6IyV3xVTgrg+gokgeNxMTzWszDbCKRujnHdbSLR4iwEQDGmq9UH8QGVM6/n9e4y3wEy/3IL3ysMEuZLDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:21:31.764684Z"},"content_sha256":"df6dbd4b4fc512cb72f4de4c0a921ac4b93f313d4b341e3226709fa2ab536d0a","schema_version":"1.0","event_id":"sha256:df6dbd4b4fc512cb72f4de4c0a921ac4b93f313d4b341e3226709fa2ab536d0a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WEERUGI6S2YT5JJQWHTZPSAGR3/bundle.json","state_url":"https://pith.science/pith/WEERUGI6S2YT5JJQWHTZPSAGR3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WEERUGI6S2YT5JJQWHTZPSAGR3/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":"2026-07-01T23:21:31Z","links":{"resolver":"https://pith.science/pith/WEERUGI6S2YT5JJQWHTZPSAGR3","bundle":"https://pith.science/pith/WEERUGI6S2YT5JJQWHTZPSAGR3/bundle.json","state":"https://pith.science/pith/WEERUGI6S2YT5JJQWHTZPSAGR3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WEERUGI6S2YT5JJQWHTZPSAGR3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WEERUGI6S2YT5JJQWHTZPSAGR3","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":"545021fd82de5c7ac8f7aec9210d0d12cfeea8f8775f7cb0ab4f3093b36afb93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-10-21T11:01:44Z","title_canon_sha256":"d426a85cf47658e92af758d17858b14dbdef0a8f255bef0cf64b7f5363b90123"},"schema_version":"1.0","source":{"id":"2410.15883","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.15883","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"2410.15883v1","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.15883","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"WEERUGI6S2YT","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"WEERUGI6S2YT5JJQ","created_at":"2026-07-01T01:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"WEERUGI6","created_at":"2026-07-01T01:17:38Z"}],"graph_snapshots":[{"event_id":"sha256:df6dbd4b4fc512cb72f4de4c0a921ac4b93f313d4b341e3226709fa2ab536d0a","target":"graph","created_at":"2026-07-01T01:17:38Z","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/2410.15883/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Bosonic bunching is a term used to describe the well-known tendency of bosons to bunch together, and which differentiates their behaviour from that of fermions or classical particles. However, in some situations perfectly indistinguishable bosons may counter-intuitively bunch less than classical, distinguishable particles. Here we report two such counter-intuitive multiphoton bunching effects observed with three photons in a three-mode balanced photonic Fourier interferometer. In this setting, we show indistinguishable photons actually minimize the probability of bunching. We also show that an","authors_text":"Alessia Suprano, Carlos Fernandes, Daniel J. Brod, Ernesto F. Galv\\~ao, Eugenio Caruccio, Fabio Sciarrino, Francesco Ceccarelli, Francesco Hoch, Giacomo Corrielli, Giovanni Rodari, Gonzalo Carvacho, Leonardo Novo, Nicol\\`o Spagnolo, Niki Di Giano, Riccardo Albiero, Roberto Osellame, Taira Giordani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-10-21T11:01:44Z","title":"Experimental observation of counter-intuitive features of photonic bunching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.15883","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":"sha256:22d8350aa4b58594569f501c92be30b6cc505fd3f3e20f199073ddf9c0739b89","target":"record","created_at":"2026-07-01T01:17:38Z","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":"545021fd82de5c7ac8f7aec9210d0d12cfeea8f8775f7cb0ab4f3093b36afb93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-10-21T11:01:44Z","title_canon_sha256":"d426a85cf47658e92af758d17858b14dbdef0a8f255bef0cf64b7f5363b90123"},"schema_version":"1.0","source":{"id":"2410.15883","kind":"arxiv","version":1}},"canonical_sha256":"b1091a191e96b13ea530b1e797c8068ef1591f434af0ec317801306f0812436b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1091a191e96b13ea530b1e797c8068ef1591f434af0ec317801306f0812436b","first_computed_at":"2026-07-01T01:17:38.377286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T01:17:38.377286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X5a8STSQf/ZNnZqKx691ayOfbR294P1LWguL7kp7MfknESgDrJEbvJOLDqx4MiAXQArpgd3C7YnlbkdLMrDkBA==","signature_status":"signed_v1","signed_at":"2026-07-01T01:17:38.377811Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.15883","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22d8350aa4b58594569f501c92be30b6cc505fd3f3e20f199073ddf9c0739b89","sha256:df6dbd4b4fc512cb72f4de4c0a921ac4b93f313d4b341e3226709fa2ab536d0a"],"state_sha256":"01409f99d5535e3353467e9c6342eb93f5ec74b6710a939044b66fa976980d6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZkAVZQqKOQ12TVFwO4Pozeh24t4rhM0AQO176/84Ke2qunfPpQR61Ui2Hv9IjEKAWG0aFkk4Ybkn/cOkMQCBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T23:21:31.768790Z","bundle_sha256":"114c6145bc141820187f5b202ec3f6cf24edfc3bd25aa37e8a73402e4b46986c"}}