{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YISBNMUAEW56O3GCPCLSBLQ5NC","short_pith_number":"pith:YISBNMUA","canonical_record":{"source":{"id":"1408.6172","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-26T16:02:58Z","cross_cats_sorted":[],"title_canon_sha256":"d98d527ccb04b3ad8edc2a022f84fc9e1ae330fbc47139fc76a089ba230a4d59","abstract_canon_sha256":"3c6ddc9998e3b91606a852cd7fcafdd6eb6d19e6343de4c7aa3ef5330fba6ae9"},"schema_version":"1.0"},"canonical_sha256":"c22416b28025bbe76cc2789720ae1d6884db0c48e03b71ce5fde63d37885ecf7","source":{"kind":"arxiv","id":"1408.6172","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6172","created_at":"2026-05-18T01:26:18Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6172v4","created_at":"2026-05-18T01:26:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6172","created_at":"2026-05-18T01:26:18Z"},{"alias_kind":"pith_short_12","alias_value":"YISBNMUAEW56","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YISBNMUAEW56O3GC","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YISBNMUA","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YISBNMUAEW56O3GCPCLSBLQ5NC","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6172","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-26T16:02:58Z","cross_cats_sorted":[],"title_canon_sha256":"d98d527ccb04b3ad8edc2a022f84fc9e1ae330fbc47139fc76a089ba230a4d59","abstract_canon_sha256":"3c6ddc9998e3b91606a852cd7fcafdd6eb6d19e6343de4c7aa3ef5330fba6ae9"},"schema_version":"1.0"},"canonical_sha256":"c22416b28025bbe76cc2789720ae1d6884db0c48e03b71ce5fde63d37885ecf7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:18.963766Z","signature_b64":"KXPEOIaal9gW8gGLGfjmienuBOlxenVB1CQ3ZEhsJh4Geq3DiMQsmmd8LPJRsKaE+BmtrV5IoQspoANqnBUmCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c22416b28025bbe76cc2789720ae1d6884db0c48e03b71ce5fde63d37885ecf7","last_reissued_at":"2026-05-18T01:26:18.963164Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:18.963164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6172","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:26:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LK73l8HdPJb5pIXwJ6Kux6QREJAhnwbKSsnSvJKzJnpEO1gE4VKiIz5341JPiRbkpHB34+jIQQBxeJCtL/6hDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:48:39.240995Z"},"content_sha256":"fcfbbd981013f22c8b1b5c3acaa6ece6613c6463208233256cebfa97cf9e75ff","schema_version":"1.0","event_id":"sha256:fcfbbd981013f22c8b1b5c3acaa6ece6613c6463208233256cebfa97cf9e75ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YISBNMUAEW56O3GCPCLSBLQ5NC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information-theoretic constraints on correlations with indefinite causal order","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alexei Grinbaum, Issam Ibnouhsein","submitted_at":"2014-08-26T16:02:58Z","abstract_excerpt":"Reconstructions of quantum theory usually implicitly assume that experimental events are ordered within a global causal structure. The process matrix framework accommodates quantum correlations that violate an inequality verified by all causally ordered correlations. Using a generalized probabilistic framework, we propose three principles constraining bipartite correlations to the quantum bound. Our approach highlights the role of a measure of dependence other than mutual information for an information-theoretic reconstruction of causal structures in quantum theory."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6172","kind":"arxiv","version":4},"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":"2026-05-18T01:26:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aMLoSGhe+mi0YBQ2nKnAUhxef/PDzIIvXvqHWut1QcbvpeacG3W9N7zCKouaRzUAfJrXvl65twu5LocBBlIuAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:48:39.241755Z"},"content_sha256":"2fc970d801008b7d9f6d8eee970dbf5edf7a0363dab7b613453739c96bd10877","schema_version":"1.0","event_id":"sha256:2fc970d801008b7d9f6d8eee970dbf5edf7a0363dab7b613453739c96bd10877"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YISBNMUAEW56O3GCPCLSBLQ5NC/bundle.json","state_url":"https://pith.science/pith/YISBNMUAEW56O3GCPCLSBLQ5NC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YISBNMUAEW56O3GCPCLSBLQ5NC/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":"2026-05-29T17:48:39Z","links":{"resolver":"https://pith.science/pith/YISBNMUAEW56O3GCPCLSBLQ5NC","bundle":"https://pith.science/pith/YISBNMUAEW56O3GCPCLSBLQ5NC/bundle.json","state":"https://pith.science/pith/YISBNMUAEW56O3GCPCLSBLQ5NC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YISBNMUAEW56O3GCPCLSBLQ5NC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YISBNMUAEW56O3GCPCLSBLQ5NC","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":"3c6ddc9998e3b91606a852cd7fcafdd6eb6d19e6343de4c7aa3ef5330fba6ae9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-26T16:02:58Z","title_canon_sha256":"d98d527ccb04b3ad8edc2a022f84fc9e1ae330fbc47139fc76a089ba230a4d59"},"schema_version":"1.0","source":{"id":"1408.6172","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6172","created_at":"2026-05-18T01:26:18Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6172v4","created_at":"2026-05-18T01:26:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6172","created_at":"2026-05-18T01:26:18Z"},{"alias_kind":"pith_short_12","alias_value":"YISBNMUAEW56","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YISBNMUAEW56O3GC","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YISBNMUA","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:2fc970d801008b7d9f6d8eee970dbf5edf7a0363dab7b613453739c96bd10877","target":"graph","created_at":"2026-05-18T01:26:18Z","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":"Reconstructions of quantum theory usually implicitly assume that experimental events are ordered within a global causal structure. The process matrix framework accommodates quantum correlations that violate an inequality verified by all causally ordered correlations. Using a generalized probabilistic framework, we propose three principles constraining bipartite correlations to the quantum bound. Our approach highlights the role of a measure of dependence other than mutual information for an information-theoretic reconstruction of causal structures in quantum theory.","authors_text":"Alexei Grinbaum, Issam Ibnouhsein","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-26T16:02:58Z","title":"Information-theoretic constraints on correlations with indefinite causal order"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6172","kind":"arxiv","version":4},"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:fcfbbd981013f22c8b1b5c3acaa6ece6613c6463208233256cebfa97cf9e75ff","target":"record","created_at":"2026-05-18T01:26:18Z","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":"3c6ddc9998e3b91606a852cd7fcafdd6eb6d19e6343de4c7aa3ef5330fba6ae9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-26T16:02:58Z","title_canon_sha256":"d98d527ccb04b3ad8edc2a022f84fc9e1ae330fbc47139fc76a089ba230a4d59"},"schema_version":"1.0","source":{"id":"1408.6172","kind":"arxiv","version":4}},"canonical_sha256":"c22416b28025bbe76cc2789720ae1d6884db0c48e03b71ce5fde63d37885ecf7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c22416b28025bbe76cc2789720ae1d6884db0c48e03b71ce5fde63d37885ecf7","first_computed_at":"2026-05-18T01:26:18.963164Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:18.963164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KXPEOIaal9gW8gGLGfjmienuBOlxenVB1CQ3ZEhsJh4Geq3DiMQsmmd8LPJRsKaE+BmtrV5IoQspoANqnBUmCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:18.963766Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6172","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcfbbd981013f22c8b1b5c3acaa6ece6613c6463208233256cebfa97cf9e75ff","sha256:2fc970d801008b7d9f6d8eee970dbf5edf7a0363dab7b613453739c96bd10877"],"state_sha256":"0624a17d0e2e2406ba0dd904104a2b7f4b351fa9fca49140bab374ec53e4ed71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6FbKgHUANO//8Xagb/2KZQKmVxpFNh64yMzZ6MVfGz9HMZ0AGHXGED7UXiXRuSgMt3wmnJavapc0nrgWSk7BBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T17:48:39.245760Z","bundle_sha256":"84de271e05a24755857a801214b28ee82fe6cea80757a1073591c5ae9019c8e8"}}