{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:MWV5AAE55DG2X37TVUCNWRFPQ3","short_pith_number":"pith:MWV5AAE5","canonical_record":{"source":{"id":"2102.09074","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-17T23:41:05Z","cross_cats_sorted":[],"title_canon_sha256":"e3ce01a47d86ceb353464bdbcf73b9179fabc81156b8234dcfa3b1972ef6e250","abstract_canon_sha256":"44019aa18d32846d95af39b9ac86db6e47b70d9f0a1377655596c47888f7f955"},"schema_version":"1.0"},"canonical_sha256":"65abd0009de8cdabeff3ad04db44af86de9382cbdc3f99d8d4953d1afbe60d89","source":{"kind":"arxiv","id":"2102.09074","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.09074","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"arxiv_version","alias_value":"2102.09074v1","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.09074","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"pith_short_12","alias_value":"MWV5AAE55DG2","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"pith_short_16","alias_value":"MWV5AAE55DG2X37T","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"pith_short_8","alias_value":"MWV5AAE5","created_at":"2026-07-05T03:16:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:MWV5AAE55DG2X37TVUCNWRFPQ3","target":"record","payload":{"canonical_record":{"source":{"id":"2102.09074","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-17T23:41:05Z","cross_cats_sorted":[],"title_canon_sha256":"e3ce01a47d86ceb353464bdbcf73b9179fabc81156b8234dcfa3b1972ef6e250","abstract_canon_sha256":"44019aa18d32846d95af39b9ac86db6e47b70d9f0a1377655596c47888f7f955"},"schema_version":"1.0"},"canonical_sha256":"65abd0009de8cdabeff3ad04db44af86de9382cbdc3f99d8d4953d1afbe60d89","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:16:09.761223Z","signature_b64":"Zi6yDU9Sq1u7FooqrbazqezXakwoGGqmHG/ZHoi7T6sxOb8QucYg5XhUf+7zw98crMEkyjMf9xLUR1I0pMX9DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65abd0009de8cdabeff3ad04db44af86de9382cbdc3f99d8d4953d1afbe60d89","last_reissued_at":"2026-07-05T03:16:09.759933Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:16:09.759933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.09074","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":"2026-07-05T03:16:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jG/m3t6kOcRPJIo06DdJoI0Sr1OIv3+sEgAlTqRX8egJG92IfqYHGJDqhzDy5tC7Dutxduhz/4k5o+XayJ67CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:37:02.675826Z"},"content_sha256":"e44ca973a281f36d9dcf040d126b4f4e6e84a5188ef428996344a80ace963b73","schema_version":"1.0","event_id":"sha256:e44ca973a281f36d9dcf040d126b4f4e6e84a5188ef428996344a80ace963b73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:MWV5AAE55DG2X37TVUCNWRFPQ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Operations in an Information Theory for Fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Arnau Riera, Maciej Lewenstein, Manabendra Nath Bera, Mohit Lal Bera, Nicetu Tibau Vidal","submitted_at":"2021-02-17T23:41:05Z","abstract_excerpt":"A reasonable quantum information theory for fermions must respect the parity super-selection rule to comply with the special theory of relativity and the no-signaling principle. This rule restricts the possibility of any quantum state to have a superposition between even and odd parity fermionic states. It thereby characterizes the set of physically allowed fermionic quantum states. Here we introduce the physically allowed quantum operations, in congruence with the parity super-selection rule, that map the set of allowed fermionic states onto itself. We first introduce unitary and projective m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.09074","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.09074/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:16:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GCwhYMORgs427Slb5vwCGQvrPrJ3UlF2OjnjThnnBibCtPf+7iHgvfQyNioRiJHB06M/A5L/Rgqm1NAl01M/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:37:02.676312Z"},"content_sha256":"97ba0b2c334f6d69935969b1a0886330212852a9e3b9023b1771f39a6d4f50a6","schema_version":"1.0","event_id":"sha256:97ba0b2c334f6d69935969b1a0886330212852a9e3b9023b1771f39a6d4f50a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MWV5AAE55DG2X37TVUCNWRFPQ3/bundle.json","state_url":"https://pith.science/pith/MWV5AAE55DG2X37TVUCNWRFPQ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MWV5AAE55DG2X37TVUCNWRFPQ3/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":"2026-08-04T03:37:02Z","links":{"resolver":"https://pith.science/pith/MWV5AAE55DG2X37TVUCNWRFPQ3","bundle":"https://pith.science/pith/MWV5AAE55DG2X37TVUCNWRFPQ3/bundle.json","state":"https://pith.science/pith/MWV5AAE55DG2X37TVUCNWRFPQ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MWV5AAE55DG2X37TVUCNWRFPQ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:MWV5AAE55DG2X37TVUCNWRFPQ3","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":"44019aa18d32846d95af39b9ac86db6e47b70d9f0a1377655596c47888f7f955","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-17T23:41:05Z","title_canon_sha256":"e3ce01a47d86ceb353464bdbcf73b9179fabc81156b8234dcfa3b1972ef6e250"},"schema_version":"1.0","source":{"id":"2102.09074","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.09074","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"arxiv_version","alias_value":"2102.09074v1","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.09074","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"pith_short_12","alias_value":"MWV5AAE55DG2","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"pith_short_16","alias_value":"MWV5AAE55DG2X37T","created_at":"2026-07-05T03:16:09Z"},{"alias_kind":"pith_short_8","alias_value":"MWV5AAE5","created_at":"2026-07-05T03:16:09Z"}],"graph_snapshots":[{"event_id":"sha256:97ba0b2c334f6d69935969b1a0886330212852a9e3b9023b1771f39a6d4f50a6","target":"graph","created_at":"2026-07-05T03:16:09Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2102.09074/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A reasonable quantum information theory for fermions must respect the parity super-selection rule to comply with the special theory of relativity and the no-signaling principle. This rule restricts the possibility of any quantum state to have a superposition between even and odd parity fermionic states. It thereby characterizes the set of physically allowed fermionic quantum states. Here we introduce the physically allowed quantum operations, in congruence with the parity super-selection rule, that map the set of allowed fermionic states onto itself. We first introduce unitary and projective m","authors_text":"Arnau Riera, Maciej Lewenstein, Manabendra Nath Bera, Mohit Lal Bera, Nicetu Tibau Vidal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-17T23:41:05Z","title":"Quantum Operations in an Information Theory for Fermions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.09074","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:e44ca973a281f36d9dcf040d126b4f4e6e84a5188ef428996344a80ace963b73","target":"record","created_at":"2026-07-05T03:16:09Z","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":"44019aa18d32846d95af39b9ac86db6e47b70d9f0a1377655596c47888f7f955","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-02-17T23:41:05Z","title_canon_sha256":"e3ce01a47d86ceb353464bdbcf73b9179fabc81156b8234dcfa3b1972ef6e250"},"schema_version":"1.0","source":{"id":"2102.09074","kind":"arxiv","version":1}},"canonical_sha256":"65abd0009de8cdabeff3ad04db44af86de9382cbdc3f99d8d4953d1afbe60d89","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65abd0009de8cdabeff3ad04db44af86de9382cbdc3f99d8d4953d1afbe60d89","first_computed_at":"2026-07-05T03:16:09.759933Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:16:09.759933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zi6yDU9Sq1u7FooqrbazqezXakwoGGqmHG/ZHoi7T6sxOb8QucYg5XhUf+7zw98crMEkyjMf9xLUR1I0pMX9DA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:16:09.761223Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.09074","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e44ca973a281f36d9dcf040d126b4f4e6e84a5188ef428996344a80ace963b73","sha256:97ba0b2c334f6d69935969b1a0886330212852a9e3b9023b1771f39a6d4f50a6"],"state_sha256":"42e3f0872d8e845036cb70707fbf73959d7cd20b036d83736590a821d7f65119"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xJBV5qS0EhQueTzNydf2Nj99JFHjaCvnsDZea+f8Mo7m2L3IVNZfkDhXrE1aeV8+Ug661DfesXFPIJZg2wutAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T03:37:02.679859Z","bundle_sha256":"d46d878c5cfa72fb486c3ae4076e62a3e2c7645bb1c4484132c75beb7e2b098c"}}