{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:MPVR2K5KDILZOBY2XFTAFLUQGM","short_pith_number":"pith:MPVR2K5K","canonical_record":{"source":{"id":"1012.1401","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-12-07T05:39:05Z","cross_cats_sorted":[],"title_canon_sha256":"79e6022278784461e1e9fb314f21774dd8ac0df0ba9acbbf795e5d9b32bd94e0","abstract_canon_sha256":"c1035ed0d7d7e0a559f6f848ca1bfb983ce378eb003bb0bb75c0cb9bddaa6277"},"schema_version":"1.0"},"canonical_sha256":"63eb1d2baa1a1797071ab96602ae90332df7429b9f761edd6d38caf08f279711","source":{"kind":"arxiv","id":"1012.1401","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.1401","created_at":"2026-05-18T02:23:14Z"},{"alias_kind":"arxiv_version","alias_value":"1012.1401v2","created_at":"2026-05-18T02:23:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1401","created_at":"2026-05-18T02:23:14Z"},{"alias_kind":"pith_short_12","alias_value":"MPVR2K5KDILZ","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MPVR2K5KDILZOBY2","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MPVR2K5K","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:MPVR2K5KDILZOBY2XFTAFLUQGM","target":"record","payload":{"canonical_record":{"source":{"id":"1012.1401","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-12-07T05:39:05Z","cross_cats_sorted":[],"title_canon_sha256":"79e6022278784461e1e9fb314f21774dd8ac0df0ba9acbbf795e5d9b32bd94e0","abstract_canon_sha256":"c1035ed0d7d7e0a559f6f848ca1bfb983ce378eb003bb0bb75c0cb9bddaa6277"},"schema_version":"1.0"},"canonical_sha256":"63eb1d2baa1a1797071ab96602ae90332df7429b9f761edd6d38caf08f279711","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:14.857152Z","signature_b64":"jh7mFeVmDw/l0r0+J8HOkOHftsfLkgwRPz491maly2asp96BOKH9pN5wQRFyJPC85O0gOcesybFq/r1C9CrCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63eb1d2baa1a1797071ab96602ae90332df7429b9f761edd6d38caf08f279711","last_reissued_at":"2026-05-18T02:23:14.856605Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:14.856605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.1401","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":"2026-05-18T02:23:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"izvlgPibZS0RC8u8tDnjAIi/k8PFmgQ+iJa1FfXrxuiocX4hUtYFakwsVa6ucew8A8estlQIcybrzLRbiM4FBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:03:36.181782Z"},"content_sha256":"14ce2c2675ed1ff5d2c1403aa93633d4cfcd11762b9477dedb516158086e981e","schema_version":"1.0","event_id":"sha256:14ce2c2675ed1ff5d2c1403aa93633d4cfcd11762b9477dedb516158086e981e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:MPVR2K5KDILZOBY2XFTAFLUQGM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Creating multiphoton-polarization bound-entangled states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jonathan Lavoie (IQC), Rainer Kaltenbaek (IQC, Tzu-Chieh Wei (UBC), Univ of Vienna)","submitted_at":"2010-12-07T05:39:05Z","abstract_excerpt":"Bound entangled states are the exotic objects in the entangled world. They require entanglement to create them, but once they are formed, it is not possible to locally distill any free entanglement from them. It is only until recently that a few bound entangled states were realized in the laboratory. Motivated by these experiments, we propose schemes for creating various classes of bound entangled states with photon polarization. These include Acin-Bruss-Lewenstein-Sanpara states, Dur's states, Lee-Lee-Kim bound entangled states, and an unextendible-product-basis bound entangled state."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1401","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":"2026-05-18T02:23:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ho0sbeI8h4W9ihzK9ex0Tn355WLIb2fyY1IebuThbip9KkU9uNaoAw/+Vogd9sqjbbyEM84uCFElGnA0UcG3Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:03:36.182171Z"},"content_sha256":"c55200b23a476542bf465797d9c290dc0d06d6476d4853dbbe15175f6c457ec2","schema_version":"1.0","event_id":"sha256:c55200b23a476542bf465797d9c290dc0d06d6476d4853dbbe15175f6c457ec2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MPVR2K5KDILZOBY2XFTAFLUQGM/bundle.json","state_url":"https://pith.science/pith/MPVR2K5KDILZOBY2XFTAFLUQGM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MPVR2K5KDILZOBY2XFTAFLUQGM/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":"2026-06-04T05:03:36Z","links":{"resolver":"https://pith.science/pith/MPVR2K5KDILZOBY2XFTAFLUQGM","bundle":"https://pith.science/pith/MPVR2K5KDILZOBY2XFTAFLUQGM/bundle.json","state":"https://pith.science/pith/MPVR2K5KDILZOBY2XFTAFLUQGM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MPVR2K5KDILZOBY2XFTAFLUQGM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:MPVR2K5KDILZOBY2XFTAFLUQGM","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":"c1035ed0d7d7e0a559f6f848ca1bfb983ce378eb003bb0bb75c0cb9bddaa6277","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-12-07T05:39:05Z","title_canon_sha256":"79e6022278784461e1e9fb314f21774dd8ac0df0ba9acbbf795e5d9b32bd94e0"},"schema_version":"1.0","source":{"id":"1012.1401","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.1401","created_at":"2026-05-18T02:23:14Z"},{"alias_kind":"arxiv_version","alias_value":"1012.1401v2","created_at":"2026-05-18T02:23:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1401","created_at":"2026-05-18T02:23:14Z"},{"alias_kind":"pith_short_12","alias_value":"MPVR2K5KDILZ","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MPVR2K5KDILZOBY2","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MPVR2K5K","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:c55200b23a476542bf465797d9c290dc0d06d6476d4853dbbe15175f6c457ec2","target":"graph","created_at":"2026-05-18T02:23:14Z","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":"Bound entangled states are the exotic objects in the entangled world. They require entanglement to create them, but once they are formed, it is not possible to locally distill any free entanglement from them. It is only until recently that a few bound entangled states were realized in the laboratory. Motivated by these experiments, we propose schemes for creating various classes of bound entangled states with photon polarization. These include Acin-Bruss-Lewenstein-Sanpara states, Dur's states, Lee-Lee-Kim bound entangled states, and an unextendible-product-basis bound entangled state.","authors_text":"Jonathan Lavoie (IQC), Rainer Kaltenbaek (IQC, Tzu-Chieh Wei (UBC), Univ of Vienna)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-12-07T05:39:05Z","title":"Creating multiphoton-polarization bound-entangled states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1401","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":"sha256:14ce2c2675ed1ff5d2c1403aa93633d4cfcd11762b9477dedb516158086e981e","target":"record","created_at":"2026-05-18T02:23:14Z","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":"c1035ed0d7d7e0a559f6f848ca1bfb983ce378eb003bb0bb75c0cb9bddaa6277","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-12-07T05:39:05Z","title_canon_sha256":"79e6022278784461e1e9fb314f21774dd8ac0df0ba9acbbf795e5d9b32bd94e0"},"schema_version":"1.0","source":{"id":"1012.1401","kind":"arxiv","version":2}},"canonical_sha256":"63eb1d2baa1a1797071ab96602ae90332df7429b9f761edd6d38caf08f279711","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63eb1d2baa1a1797071ab96602ae90332df7429b9f761edd6d38caf08f279711","first_computed_at":"2026-05-18T02:23:14.856605Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:14.856605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jh7mFeVmDw/l0r0+J8HOkOHftsfLkgwRPz491maly2asp96BOKH9pN5wQRFyJPC85O0gOcesybFq/r1C9CrCBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:14.857152Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.1401","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14ce2c2675ed1ff5d2c1403aa93633d4cfcd11762b9477dedb516158086e981e","sha256:c55200b23a476542bf465797d9c290dc0d06d6476d4853dbbe15175f6c457ec2"],"state_sha256":"de5f9ea7a1f58852513cdd5233829f07b99956ccc59bba304455ebb17db9298b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y48NN+FvELQHDGMgRkD5Ac3U7d40wcF9nVNjUl8F1gFVma1FmwmXx8YOTilat6pHv+MREggmy31eELI33cDpAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T05:03:36.184617Z","bundle_sha256":"c938967439159a412b3d8fe580d5e93f6487fff43bb88476c669c3b23cf3525f"}}