{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:HX3OPRYJQ4QKAJDRILDACOAJBD","short_pith_number":"pith:HX3OPRYJ","canonical_record":{"source":{"id":"0811.2717","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2008-11-17T14:39:06Z","cross_cats_sorted":["hep-th","math.MP"],"title_canon_sha256":"c6d71b98396b127e16be3809cedca59343f7f03050b3afa8d6e8417c2e8a85ce","abstract_canon_sha256":"759ce0ebeca6f769f060fa7607f7198871c3313017832771a8b34366ac19aae7"},"schema_version":"1.0"},"canonical_sha256":"3df6e7c7098720a0247142c601380908ecfc836712493f6da4a2de5d0fffb5f0","source":{"kind":"arxiv","id":"0811.2717","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2717","created_at":"2026-05-18T04:30:03Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2717v1","created_at":"2026-05-18T04:30:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2717","created_at":"2026-05-18T04:30:03Z"},{"alias_kind":"pith_short_12","alias_value":"HX3OPRYJQ4QK","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"HX3OPRYJQ4QKAJDR","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"HX3OPRYJ","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:HX3OPRYJQ4QKAJDRILDACOAJBD","target":"record","payload":{"canonical_record":{"source":{"id":"0811.2717","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2008-11-17T14:39:06Z","cross_cats_sorted":["hep-th","math.MP"],"title_canon_sha256":"c6d71b98396b127e16be3809cedca59343f7f03050b3afa8d6e8417c2e8a85ce","abstract_canon_sha256":"759ce0ebeca6f769f060fa7607f7198871c3313017832771a8b34366ac19aae7"},"schema_version":"1.0"},"canonical_sha256":"3df6e7c7098720a0247142c601380908ecfc836712493f6da4a2de5d0fffb5f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:03.067290Z","signature_b64":"SAMtXNWeia+m7bWAeAnFK7vRwu3DkSyNL3X1COV56EemW1erIj553M9CqudAv8O0hC6dwQtkhHLk2K8Ck1BhCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3df6e7c7098720a0247142c601380908ecfc836712493f6da4a2de5d0fffb5f0","last_reissued_at":"2026-05-18T04:30:03.066740Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:03.066740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.2717","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":"2026-05-18T04:30:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xlQ8RtmMwbaJ9Q37HE1h1Ttvf1tjicWwwRzagh52c5DqaG/1JWytdbOlrRY3vaypqSNYZKlopfZ1FNnWfde8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:59:56.193467Z"},"content_sha256":"42f6bb17d7dfa42b2f5cd5a9499f50eb1a309474d64b6d340c0d6ad8dd9250fa","schema_version":"1.0","event_id":"sha256:42f6bb17d7dfa42b2f5cd5a9499f50eb1a309474d64b6d340c0d6ad8dd9250fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:HX3OPRYJQ4QKAJDRILDACOAJBD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ELKO, flagpole and flag-dipole spinor fields, and the instanton Hopf fibration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math.MP"],"primary_cat":"math-ph","authors_text":"J. M. Hoff da Silva, Roldao da Rocha","submitted_at":"2008-11-17T14:39:06Z","abstract_excerpt":"In a previous paper we explicitly constructed a mapping that leads Dirac spinor fields to the dual-helicity eigenspinors of the charge conjugation operator (ELKO spinor fields). ELKO spinor fields are prime candidates for describing dark matter, and belong to a wider class of spinor fields, the so-called flagpole spinor fields, corresponding to the class-(5), according to Lounesto spinor field classification, based on the relations and values taken by their associated bilinear covariants. Such a mapping between Dirac and ELKO spinor fields was obtained in an attempt to extend the Standard Mode"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2717","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":""},"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":"2026-05-18T04:30:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ESzdGuKHmfl9NIzvgIjHt6Muqve2HgACRvcakfQla2c/5gqEHi6W0ICSomLrCbc+0q9lS95MvEAaXDBek1qcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:59:56.194007Z"},"content_sha256":"0d6bdd18d28c297e6c8e8c347386cf63bc4c6c91e1d145f09affb5bbc55dd663","schema_version":"1.0","event_id":"sha256:0d6bdd18d28c297e6c8e8c347386cf63bc4c6c91e1d145f09affb5bbc55dd663"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HX3OPRYJQ4QKAJDRILDACOAJBD/bundle.json","state_url":"https://pith.science/pith/HX3OPRYJQ4QKAJDRILDACOAJBD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HX3OPRYJQ4QKAJDRILDACOAJBD/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":"2026-05-26T12:59:56Z","links":{"resolver":"https://pith.science/pith/HX3OPRYJQ4QKAJDRILDACOAJBD","bundle":"https://pith.science/pith/HX3OPRYJQ4QKAJDRILDACOAJBD/bundle.json","state":"https://pith.science/pith/HX3OPRYJQ4QKAJDRILDACOAJBD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HX3OPRYJQ4QKAJDRILDACOAJBD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:HX3OPRYJQ4QKAJDRILDACOAJBD","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":"759ce0ebeca6f769f060fa7607f7198871c3313017832771a8b34366ac19aae7","cross_cats_sorted":["hep-th","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2008-11-17T14:39:06Z","title_canon_sha256":"c6d71b98396b127e16be3809cedca59343f7f03050b3afa8d6e8417c2e8a85ce"},"schema_version":"1.0","source":{"id":"0811.2717","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2717","created_at":"2026-05-18T04:30:03Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2717v1","created_at":"2026-05-18T04:30:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2717","created_at":"2026-05-18T04:30:03Z"},{"alias_kind":"pith_short_12","alias_value":"HX3OPRYJQ4QK","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"HX3OPRYJQ4QKAJDR","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"HX3OPRYJ","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:0d6bdd18d28c297e6c8e8c347386cf63bc4c6c91e1d145f09affb5bbc55dd663","target":"graph","created_at":"2026-05-18T04:30:03Z","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":"In a previous paper we explicitly constructed a mapping that leads Dirac spinor fields to the dual-helicity eigenspinors of the charge conjugation operator (ELKO spinor fields). ELKO spinor fields are prime candidates for describing dark matter, and belong to a wider class of spinor fields, the so-called flagpole spinor fields, corresponding to the class-(5), according to Lounesto spinor field classification, based on the relations and values taken by their associated bilinear covariants. Such a mapping between Dirac and ELKO spinor fields was obtained in an attempt to extend the Standard Mode","authors_text":"J. M. Hoff da Silva, Roldao da Rocha","cross_cats":["hep-th","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2008-11-17T14:39:06Z","title":"ELKO, flagpole and flag-dipole spinor fields, and the instanton Hopf fibration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2717","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":"sha256:42f6bb17d7dfa42b2f5cd5a9499f50eb1a309474d64b6d340c0d6ad8dd9250fa","target":"record","created_at":"2026-05-18T04:30:03Z","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":"759ce0ebeca6f769f060fa7607f7198871c3313017832771a8b34366ac19aae7","cross_cats_sorted":["hep-th","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2008-11-17T14:39:06Z","title_canon_sha256":"c6d71b98396b127e16be3809cedca59343f7f03050b3afa8d6e8417c2e8a85ce"},"schema_version":"1.0","source":{"id":"0811.2717","kind":"arxiv","version":1}},"canonical_sha256":"3df6e7c7098720a0247142c601380908ecfc836712493f6da4a2de5d0fffb5f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3df6e7c7098720a0247142c601380908ecfc836712493f6da4a2de5d0fffb5f0","first_computed_at":"2026-05-18T04:30:03.066740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:30:03.066740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SAMtXNWeia+m7bWAeAnFK7vRwu3DkSyNL3X1COV56EemW1erIj553M9CqudAv8O0hC6dwQtkhHLk2K8Ck1BhCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:30:03.067290Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.2717","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42f6bb17d7dfa42b2f5cd5a9499f50eb1a309474d64b6d340c0d6ad8dd9250fa","sha256:0d6bdd18d28c297e6c8e8c347386cf63bc4c6c91e1d145f09affb5bbc55dd663"],"state_sha256":"bfc039f171fb8dba92116387088966123178322b9103cb63078fc1dfeec9557e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RDI3I48IFWk++fERtDZY5gZQHUy3LjkLNmGVFM1FeNzdQCGQoUz6+7rzVvsV9+ekft/WHjKrEkJ9Ng5b9fkaBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:59:56.196642Z","bundle_sha256":"32d867160cd87305263bbd0959c4b28c9127113a7bbae63f16b8485a0d4ce316"}}