{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:V25CEVWLGI2HFVE7ZMFNIDBZZS","short_pith_number":"pith:V25CEVWL","canonical_record":{"source":{"id":"1707.07340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-23T20:18:00Z","cross_cats_sorted":[],"title_canon_sha256":"f9db469ac0cc946ce8051f234d2a9ca35dc5ada402fe12469e640e16208a8972","abstract_canon_sha256":"a91c3f3fc8f141fa4b3b6e29608c7dacb2c1c8a242d96640713d25c354313026"},"schema_version":"1.0"},"canonical_sha256":"aeba2256cb323472d49fcb0ad40c39cc8ec9a1ad762621ded68629cc0c42917e","source":{"kind":"arxiv","id":"1707.07340","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.07340","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1707.07340v2","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.07340","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"V25CEVWLGI2H","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"V25CEVWLGI2HFVE7","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"V25CEVWL","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:V25CEVWLGI2HFVE7ZMFNIDBZZS","target":"record","payload":{"canonical_record":{"source":{"id":"1707.07340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-23T20:18:00Z","cross_cats_sorted":[],"title_canon_sha256":"f9db469ac0cc946ce8051f234d2a9ca35dc5ada402fe12469e640e16208a8972","abstract_canon_sha256":"a91c3f3fc8f141fa4b3b6e29608c7dacb2c1c8a242d96640713d25c354313026"},"schema_version":"1.0"},"canonical_sha256":"aeba2256cb323472d49fcb0ad40c39cc8ec9a1ad762621ded68629cc0c42917e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:39.711606Z","signature_b64":"pgIAL3fvOEw54J9QYvT1xlJKLjliQ0VGbtSIaQdEhFd9LxBJR47lt370/p8YT5RUe7tnQHqZ1l1YFhJSkgPHAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aeba2256cb323472d49fcb0ad40c39cc8ec9a1ad762621ded68629cc0c42917e","last_reissued_at":"2026-05-18T00:22:39.711094Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:39.711094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.07340","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":"2026-05-18T00:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cwgaI7FdjYGEWVFdSBYTCnJwuDygAaI0y3tQdVqdhn3o4sB0Qe0hxKmac3t0FIIStxJg6gZXRSnaXo5QPIpAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T14:21:35.252852Z"},"content_sha256":"0ce75ad82fb99a1ad7dbe7351bd7c60af6cf46a15178cde0639b91f2adec6884","schema_version":"1.0","event_id":"sha256:0ce75ad82fb99a1ad7dbe7351bd7c60af6cf46a15178cde0639b91f2adec6884"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:V25CEVWLGI2HFVE7ZMFNIDBZZS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generalizing Entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ding Jia","submitted_at":"2017-07-23T20:18:00Z","abstract_excerpt":"The expected indefinite causal structure in quantum gravity poses a challenge to the notion of entanglement: If two parties are in an indefinite causal relation of being spacelike and timelike, can they still be entangled? If so, how does one measure the amount of entanglement? We propose to generalize the notions of entanglement and entanglement measure to address these questions. Incidentally but importantly, the generalization opens the path to study quantum entanglement of states, channels, networks and processes with definite or indefinite causal structure in a unified fashion, e.g., we s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.07340","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":"2026-05-18T00:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1vkL+3LcqS8+ctRSdwrLPoMIY8VyNKcTjQ539kyDDTN/jUKeVXo5SNAaxH98MJ266x56OUTAZjW6pLdyc1QECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T14:21:35.253185Z"},"content_sha256":"08e09ff3283e53c758f247e28ae1bb3d6a950b4a8485b647f80bc7c3ddf72ec7","schema_version":"1.0","event_id":"sha256:08e09ff3283e53c758f247e28ae1bb3d6a950b4a8485b647f80bc7c3ddf72ec7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V25CEVWLGI2HFVE7ZMFNIDBZZS/bundle.json","state_url":"https://pith.science/pith/V25CEVWLGI2HFVE7ZMFNIDBZZS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V25CEVWLGI2HFVE7ZMFNIDBZZS/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":"2026-06-27T14:21:35Z","links":{"resolver":"https://pith.science/pith/V25CEVWLGI2HFVE7ZMFNIDBZZS","bundle":"https://pith.science/pith/V25CEVWLGI2HFVE7ZMFNIDBZZS/bundle.json","state":"https://pith.science/pith/V25CEVWLGI2HFVE7ZMFNIDBZZS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V25CEVWLGI2HFVE7ZMFNIDBZZS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:V25CEVWLGI2HFVE7ZMFNIDBZZS","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":"a91c3f3fc8f141fa4b3b6e29608c7dacb2c1c8a242d96640713d25c354313026","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-23T20:18:00Z","title_canon_sha256":"f9db469ac0cc946ce8051f234d2a9ca35dc5ada402fe12469e640e16208a8972"},"schema_version":"1.0","source":{"id":"1707.07340","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.07340","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1707.07340v2","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.07340","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"V25CEVWLGI2H","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"V25CEVWLGI2HFVE7","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"V25CEVWL","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:08e09ff3283e53c758f247e28ae1bb3d6a950b4a8485b647f80bc7c3ddf72ec7","target":"graph","created_at":"2026-05-18T00:22:39Z","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":"The expected indefinite causal structure in quantum gravity poses a challenge to the notion of entanglement: If two parties are in an indefinite causal relation of being spacelike and timelike, can they still be entangled? If so, how does one measure the amount of entanglement? We propose to generalize the notions of entanglement and entanglement measure to address these questions. Incidentally but importantly, the generalization opens the path to study quantum entanglement of states, channels, networks and processes with definite or indefinite causal structure in a unified fashion, e.g., we s","authors_text":"Ding Jia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-23T20:18:00Z","title":"Generalizing Entanglement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.07340","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":"sha256:0ce75ad82fb99a1ad7dbe7351bd7c60af6cf46a15178cde0639b91f2adec6884","target":"record","created_at":"2026-05-18T00:22:39Z","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":"a91c3f3fc8f141fa4b3b6e29608c7dacb2c1c8a242d96640713d25c354313026","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-23T20:18:00Z","title_canon_sha256":"f9db469ac0cc946ce8051f234d2a9ca35dc5ada402fe12469e640e16208a8972"},"schema_version":"1.0","source":{"id":"1707.07340","kind":"arxiv","version":2}},"canonical_sha256":"aeba2256cb323472d49fcb0ad40c39cc8ec9a1ad762621ded68629cc0c42917e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aeba2256cb323472d49fcb0ad40c39cc8ec9a1ad762621ded68629cc0c42917e","first_computed_at":"2026-05-18T00:22:39.711094Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:39.711094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pgIAL3fvOEw54J9QYvT1xlJKLjliQ0VGbtSIaQdEhFd9LxBJR47lt370/p8YT5RUe7tnQHqZ1l1YFhJSkgPHAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:39.711606Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.07340","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ce75ad82fb99a1ad7dbe7351bd7c60af6cf46a15178cde0639b91f2adec6884","sha256:08e09ff3283e53c758f247e28ae1bb3d6a950b4a8485b647f80bc7c3ddf72ec7"],"state_sha256":"560ac3f0d30de3cb27284064cb015cb90c1e73eacf512f250eaa1c197cf1bf57"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5mLsrmfJgcCK3fzziE+roXR64jgc+hjMoESQcMYnZGikm9KH6xSVYQmQF0QGLth0UBFh93Qy0FvX472KFGnaAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T14:21:35.255080Z","bundle_sha256":"04a1e9ebbfce4d95317639e310b89ef6511775a10e39eb2a4ce99548716fa7c8"}}