{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:3ZM3AI6ODSED4YPXCJLPCRWD32","short_pith_number":"pith:3ZM3AI6O","canonical_record":{"source":{"id":"1103.2270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-03-11T14:02:35Z","cross_cats_sorted":[],"title_canon_sha256":"94ec9054e358a089fe7a169159d89a8be5a8887397b50802c113ff6d3166906f","abstract_canon_sha256":"a54a338c11b59d5cb5f830f59902f71959bb962b8f704b7c67f3c15f36cbf00f"},"schema_version":"1.0"},"canonical_sha256":"de59b023ce1c883e61f71256f146c3de830be0bc8c0b05ccb90d2793770de46e","source":{"kind":"arxiv","id":"1103.2270","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2270","created_at":"2026-05-18T03:15:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2270v1","created_at":"2026-05-18T03:15:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2270","created_at":"2026-05-18T03:15:56Z"},{"alias_kind":"pith_short_12","alias_value":"3ZM3AI6ODSED","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"3ZM3AI6ODSED4YPX","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"3ZM3AI6O","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:3ZM3AI6ODSED4YPXCJLPCRWD32","target":"record","payload":{"canonical_record":{"source":{"id":"1103.2270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-03-11T14:02:35Z","cross_cats_sorted":[],"title_canon_sha256":"94ec9054e358a089fe7a169159d89a8be5a8887397b50802c113ff6d3166906f","abstract_canon_sha256":"a54a338c11b59d5cb5f830f59902f71959bb962b8f704b7c67f3c15f36cbf00f"},"schema_version":"1.0"},"canonical_sha256":"de59b023ce1c883e61f71256f146c3de830be0bc8c0b05ccb90d2793770de46e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:56.156039Z","signature_b64":"lZb6VF2VWpXuc5kceoWcqjFQjIO5emuAlxCvwX0QDSPXJQUnSTIkeL94KEhyxIvHxv+mfkg1/TX69VJl16ISCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de59b023ce1c883e61f71256f146c3de830be0bc8c0b05ccb90d2793770de46e","last_reissued_at":"2026-05-18T03:15:56.155281Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:56.155281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.2270","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":"2026-05-18T03:15:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bx420zrVofOKKJAPLIpp6un/fsNnpysDE7q/KVM5Mgna/TjSvAYpRdx3u7d3j5oRVLmtJAwZzy15bHU11o6XAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:07:47.210738Z"},"content_sha256":"41b5c7ecdda912574929100e699cd0580779cbae1be7aa8891ac5e96cee87354","schema_version":"1.0","event_id":"sha256:41b5c7ecdda912574929100e699cd0580779cbae1be7aa8891ac5e96cee87354"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:3ZM3AI6ODSED4YPXCJLPCRWD32","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visibility bound caused by a distinguishable noise particle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jan Soubusta, Lucie Celechovska, Miloslav Dusek, Miroslav Gavenda, Radim Filip","submitted_at":"2011-03-11T14:02:35Z","abstract_excerpt":"We investigate how distinguishability of a \"noise\" particle degrades interference of the \"signal\" particle. The signal, represented by an equatorial state of a photonic qubit, is mixed with noise, represented by another photonic qubit, via linear coupling on the beam splitter. We report on the degradation of the \"signal\" photon interference depending on the degree of indistinguishability between \"signal\" and \"noise\" photon. When the photons are principally completely distinguishable but technically indistinguishable the visibility drops to the value 1/sqrt(2). As the photons become more indist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2270","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":""},"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":"2026-05-18T03:15:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LeCFK7lwUvLgio7SK9jkzoy4zBlgqq8vPiVy+zFSUN6A2L8Y/FuZnzZMOK5y3NSwtnWP9QaplFn0dDWVWHWLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:07:47.211405Z"},"content_sha256":"15cf1e8a3828a3737a317b3ba4854e6d1ad24198e16f5d03bd23cdfa6ffe96e4","schema_version":"1.0","event_id":"sha256:15cf1e8a3828a3737a317b3ba4854e6d1ad24198e16f5d03bd23cdfa6ffe96e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3ZM3AI6ODSED4YPXCJLPCRWD32/bundle.json","state_url":"https://pith.science/pith/3ZM3AI6ODSED4YPXCJLPCRWD32/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3ZM3AI6ODSED4YPXCJLPCRWD32/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":"2026-05-30T06:07:47Z","links":{"resolver":"https://pith.science/pith/3ZM3AI6ODSED4YPXCJLPCRWD32","bundle":"https://pith.science/pith/3ZM3AI6ODSED4YPXCJLPCRWD32/bundle.json","state":"https://pith.science/pith/3ZM3AI6ODSED4YPXCJLPCRWD32/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3ZM3AI6ODSED4YPXCJLPCRWD32/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3ZM3AI6ODSED4YPXCJLPCRWD32","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":"a54a338c11b59d5cb5f830f59902f71959bb962b8f704b7c67f3c15f36cbf00f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-03-11T14:02:35Z","title_canon_sha256":"94ec9054e358a089fe7a169159d89a8be5a8887397b50802c113ff6d3166906f"},"schema_version":"1.0","source":{"id":"1103.2270","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2270","created_at":"2026-05-18T03:15:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2270v1","created_at":"2026-05-18T03:15:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2270","created_at":"2026-05-18T03:15:56Z"},{"alias_kind":"pith_short_12","alias_value":"3ZM3AI6ODSED","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"3ZM3AI6ODSED4YPX","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"3ZM3AI6O","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:15cf1e8a3828a3737a317b3ba4854e6d1ad24198e16f5d03bd23cdfa6ffe96e4","target":"graph","created_at":"2026-05-18T03:15:56Z","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 investigate how distinguishability of a \"noise\" particle degrades interference of the \"signal\" particle. The signal, represented by an equatorial state of a photonic qubit, is mixed with noise, represented by another photonic qubit, via linear coupling on the beam splitter. We report on the degradation of the \"signal\" photon interference depending on the degree of indistinguishability between \"signal\" and \"noise\" photon. When the photons are principally completely distinguishable but technically indistinguishable the visibility drops to the value 1/sqrt(2). As the photons become more indist","authors_text":"Jan Soubusta, Lucie Celechovska, Miloslav Dusek, Miroslav Gavenda, Radim Filip","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-03-11T14:02:35Z","title":"Visibility bound caused by a distinguishable noise particle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2270","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":"sha256:41b5c7ecdda912574929100e699cd0580779cbae1be7aa8891ac5e96cee87354","target":"record","created_at":"2026-05-18T03:15:56Z","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":"a54a338c11b59d5cb5f830f59902f71959bb962b8f704b7c67f3c15f36cbf00f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-03-11T14:02:35Z","title_canon_sha256":"94ec9054e358a089fe7a169159d89a8be5a8887397b50802c113ff6d3166906f"},"schema_version":"1.0","source":{"id":"1103.2270","kind":"arxiv","version":1}},"canonical_sha256":"de59b023ce1c883e61f71256f146c3de830be0bc8c0b05ccb90d2793770de46e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de59b023ce1c883e61f71256f146c3de830be0bc8c0b05ccb90d2793770de46e","first_computed_at":"2026-05-18T03:15:56.155281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:56.155281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lZb6VF2VWpXuc5kceoWcqjFQjIO5emuAlxCvwX0QDSPXJQUnSTIkeL94KEhyxIvHxv+mfkg1/TX69VJl16ISCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:56.156039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2270","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41b5c7ecdda912574929100e699cd0580779cbae1be7aa8891ac5e96cee87354","sha256:15cf1e8a3828a3737a317b3ba4854e6d1ad24198e16f5d03bd23cdfa6ffe96e4"],"state_sha256":"27d38c337e3f6bce500fa3b18395383d1e27b3d75372407435c923d49f77506f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5nfk7ScsHULk+Bb75T8SPVFfGHOaR2tT8FuD6jKJlLoCSGMiqd63/GcAfkDxRdH3yCiPfTABC4OgwovTSvHQDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:07:47.214742Z","bundle_sha256":"c11cb75abc7eb7d21e8eb03e8b9aa4aac1281a718e042e30d6e5a008860d6cdf"}}