{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VRLRCJ6DXW2CSPIEP7LJW7SJIC","short_pith_number":"pith:VRLRCJ6D","canonical_record":{"source":{"id":"1204.2789","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-12T18:01:28Z","cross_cats_sorted":[],"title_canon_sha256":"6902c834c5530e8984e3147d8e4443106175a18b8f0cb030298bbd4d5c17ffc9","abstract_canon_sha256":"aa3bc315ae90c11047f2848625b37ce6b98b5569147533b540c51a0752243624"},"schema_version":"1.0"},"canonical_sha256":"ac571127c3bdb4293d047fd69b7e4940b2bb9a801fd1bdadc73ba52cbcc2a9e3","source":{"kind":"arxiv","id":"1204.2789","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2789","created_at":"2026-05-18T03:54:47Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2789v3","created_at":"2026-05-18T03:54:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2789","created_at":"2026-05-18T03:54:47Z"},{"alias_kind":"pith_short_12","alias_value":"VRLRCJ6DXW2C","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VRLRCJ6DXW2CSPIE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VRLRCJ6D","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VRLRCJ6DXW2CSPIEP7LJW7SJIC","target":"record","payload":{"canonical_record":{"source":{"id":"1204.2789","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-12T18:01:28Z","cross_cats_sorted":[],"title_canon_sha256":"6902c834c5530e8984e3147d8e4443106175a18b8f0cb030298bbd4d5c17ffc9","abstract_canon_sha256":"aa3bc315ae90c11047f2848625b37ce6b98b5569147533b540c51a0752243624"},"schema_version":"1.0"},"canonical_sha256":"ac571127c3bdb4293d047fd69b7e4940b2bb9a801fd1bdadc73ba52cbcc2a9e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:54:47.508041Z","signature_b64":"uAc+G3KuBaOYXbQ95tgJtZ7SOAxmuzW2epu3zyHjaxeO5G5oC6sa+sMnN0Clk3Eq8VnygaKIuO4e5OIIR20ICg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac571127c3bdb4293d047fd69b7e4940b2bb9a801fd1bdadc73ba52cbcc2a9e3","last_reissued_at":"2026-05-18T03:54:47.507268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:54:47.507268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.2789","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:54:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z62WD1zbwew8Xat5PeGjkbd4SsJ5KOSOK6KUmrjRKvfLJ2IQ2MvKGOOF3ZrCwOqqK0uYtMnVHQ6u2LP95AWcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:34:05.597677Z"},"content_sha256":"dd8912c4e41a27388033a5830cf65c085fbf98778bf6c3fa682970f6be298ac8","schema_version":"1.0","event_id":"sha256:dd8912c4e41a27388033a5830cf65c085fbf98778bf6c3fa682970f6be298ac8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VRLRCJ6DXW2CSPIEP7LJW7SJIC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Zero Discord for Markovian Bipartite Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"J. Jeknic-Dugic, M. Arsenijevic, M. Dugic","submitted_at":"2012-04-12T18:01:28Z","abstract_excerpt":"Recent observation that almost all quantum states bear non-classical correlations [A. Ferraro et al, Phys. Rev. A 81, 052328 (2010)] may seem to imply that the Markovian bipartite systems are practically deprived of zero discord states. Nevertheless, complementary to the result of Ferraro et al, we construct a model of a Markovian bipartite system providing zero discord for arbitrary long time interval, that we term 'Markovian classicality'. Our model represents a matter-of-principle formal proof, i.e. a sufficient condition for the, otherwise not obvious, existence of Markovian classicality. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2789","kind":"arxiv","version":3},"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":"2026-05-18T03:54:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5vG+8zEGDPgR7ZuSLiSy8/04sahh7HWwCKPhrZrhjAb7wc/mtgvE0MSjhUF0d938sIWMtYHLkR+I4derxkb1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:34:05.598304Z"},"content_sha256":"4ce3c7cf03459311c97b4a6573cd523881cf2bf4019453501b144b8967fb01c8","schema_version":"1.0","event_id":"sha256:4ce3c7cf03459311c97b4a6573cd523881cf2bf4019453501b144b8967fb01c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VRLRCJ6DXW2CSPIEP7LJW7SJIC/bundle.json","state_url":"https://pith.science/pith/VRLRCJ6DXW2CSPIEP7LJW7SJIC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VRLRCJ6DXW2CSPIEP7LJW7SJIC/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":"2026-06-07T07:34:05Z","links":{"resolver":"https://pith.science/pith/VRLRCJ6DXW2CSPIEP7LJW7SJIC","bundle":"https://pith.science/pith/VRLRCJ6DXW2CSPIEP7LJW7SJIC/bundle.json","state":"https://pith.science/pith/VRLRCJ6DXW2CSPIEP7LJW7SJIC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VRLRCJ6DXW2CSPIEP7LJW7SJIC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VRLRCJ6DXW2CSPIEP7LJW7SJIC","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":"aa3bc315ae90c11047f2848625b37ce6b98b5569147533b540c51a0752243624","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-12T18:01:28Z","title_canon_sha256":"6902c834c5530e8984e3147d8e4443106175a18b8f0cb030298bbd4d5c17ffc9"},"schema_version":"1.0","source":{"id":"1204.2789","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2789","created_at":"2026-05-18T03:54:47Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2789v3","created_at":"2026-05-18T03:54:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2789","created_at":"2026-05-18T03:54:47Z"},{"alias_kind":"pith_short_12","alias_value":"VRLRCJ6DXW2C","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VRLRCJ6DXW2CSPIE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VRLRCJ6D","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:4ce3c7cf03459311c97b4a6573cd523881cf2bf4019453501b144b8967fb01c8","target":"graph","created_at":"2026-05-18T03:54:47Z","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":"Recent observation that almost all quantum states bear non-classical correlations [A. Ferraro et al, Phys. Rev. A 81, 052328 (2010)] may seem to imply that the Markovian bipartite systems are practically deprived of zero discord states. Nevertheless, complementary to the result of Ferraro et al, we construct a model of a Markovian bipartite system providing zero discord for arbitrary long time interval, that we term 'Markovian classicality'. Our model represents a matter-of-principle formal proof, i.e. a sufficient condition for the, otherwise not obvious, existence of Markovian classicality. ","authors_text":"J. Jeknic-Dugic, M. Arsenijevic, M. Dugic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-12T18:01:28Z","title":"Zero Discord for Markovian Bipartite Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2789","kind":"arxiv","version":3},"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:dd8912c4e41a27388033a5830cf65c085fbf98778bf6c3fa682970f6be298ac8","target":"record","created_at":"2026-05-18T03:54:47Z","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":"aa3bc315ae90c11047f2848625b37ce6b98b5569147533b540c51a0752243624","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-12T18:01:28Z","title_canon_sha256":"6902c834c5530e8984e3147d8e4443106175a18b8f0cb030298bbd4d5c17ffc9"},"schema_version":"1.0","source":{"id":"1204.2789","kind":"arxiv","version":3}},"canonical_sha256":"ac571127c3bdb4293d047fd69b7e4940b2bb9a801fd1bdadc73ba52cbcc2a9e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac571127c3bdb4293d047fd69b7e4940b2bb9a801fd1bdadc73ba52cbcc2a9e3","first_computed_at":"2026-05-18T03:54:47.507268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:54:47.507268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uAc+G3KuBaOYXbQ95tgJtZ7SOAxmuzW2epu3zyHjaxeO5G5oC6sa+sMnN0Clk3Eq8VnygaKIuO4e5OIIR20ICg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:54:47.508041Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.2789","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd8912c4e41a27388033a5830cf65c085fbf98778bf6c3fa682970f6be298ac8","sha256:4ce3c7cf03459311c97b4a6573cd523881cf2bf4019453501b144b8967fb01c8"],"state_sha256":"a34f65c9869e727fd071c7461956010d83cb9395db56fd5a19d1befe6fb3d901"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wImewOpKEiOxFFDPWjN7KA3OEm5k0cvjYllv6yvBAlCCLyH4MMAILPDkGzsWyvUClgSGZk3WXgoWcvHBWVbdBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:34:05.601298Z","bundle_sha256":"7da149edbdb78c13406a2adc6a54296d9c3df0b860b1849b061f3ae99d038b8b"}}