{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:UTDUSWHFDY2Q3EQSE5CYH2FAIP","short_pith_number":"pith:UTDUSWHF","canonical_record":{"source":{"id":"hep-th/0407208","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-07-23T17:07:26Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"40610aced5b7e9a07cb119abdd079deb48324ff2f70cd1c0bdb66b6127ae5a5a","abstract_canon_sha256":"237c63e7f66bbaf3fdfe29ab87e462f54f0021683a48038647a9222b3f63e800"},"schema_version":"1.0"},"canonical_sha256":"a4c74958e51e350d9212274583e8a043c5224246b63f68124f6a0daa7cc5aa1a","source":{"kind":"arxiv","id":"hep-th/0407208","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0407208","created_at":"2026-05-18T04:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0407208v3","created_at":"2026-05-18T04:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0407208","created_at":"2026-05-18T04:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"UTDUSWHFDY2Q","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"UTDUSWHFDY2Q3EQS","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"UTDUSWHF","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:UTDUSWHFDY2Q3EQSE5CYH2FAIP","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0407208","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-07-23T17:07:26Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"40610aced5b7e9a07cb119abdd079deb48324ff2f70cd1c0bdb66b6127ae5a5a","abstract_canon_sha256":"237c63e7f66bbaf3fdfe29ab87e462f54f0021683a48038647a9222b3f63e800"},"schema_version":"1.0"},"canonical_sha256":"a4c74958e51e350d9212274583e8a043c5224246b63f68124f6a0daa7cc5aa1a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:35:23.042506Z","signature_b64":"z1hYUrKPVhHFearqg0etO1CgGi4voaLPEDI8jS2ktGdzB1auY2C2OR2be20WKV69lHxU/gah3/R+8XU+LsGEDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4c74958e51e350d9212274583e8a043c5224246b63f68124f6a0daa7cc5aa1a","last_reissued_at":"2026-05-18T04:35:23.042104Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:35:23.042104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0407208","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":"2026-05-18T04:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z3XxXSKNXf4TLdjGaf/TQETQZWaXHFVKa9R03m0fDiF0E/2kWbpVaNGYx9vwhj59IWd+De73+jfK34l2PYf6DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T03:04:18.118595Z"},"content_sha256":"5327510b578df28d6d29b857f0c30197111e5e2d7f5f2e6ccb4a167af5ca0168","schema_version":"1.0","event_id":"sha256:5327510b578df28d6d29b857f0c30197111e5e2d7f5f2e6ccb4a167af5ca0168"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:UTDUSWHFDY2Q3EQSE5CYH2FAIP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Brane solutions of a spherical sigma model in six dimensions","license":"","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Antonios Papazoglou (Bonn U.), Hyun Min Lee","submitted_at":"2004-07-23T17:07:26Z","abstract_excerpt":"We explore solutions of six dimensional gravity coupled to a non-linear sigma model, in the presence of co-dimension two branes. We investigate the compactifications induced by a spherical scalar manifold and analyze the conditions under which they are of finite volume and singularity free. We discuss the issue of single-valuedness of the scalar fields and provide some special embedding of the scalar manifold to the internal space which solves this problem. These brane solutions furnish some self-tuning features, however they do not provide a satisfactory explanation of the vanishing of the ef"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0407208","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":"2026-05-18T04:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oWDSiwA+MFmLU9zvheRoDCB2uvaSdHfynuZWu4wxJOpyz/DeUqAlBK4ZnPmrOSeRQUaft4IxPJqT/Dk1ReETCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T03:04:18.118946Z"},"content_sha256":"14bf918b113d5f2adb6ec5b0f3296ec7516aa51cb666aa377285771a549e5b37","schema_version":"1.0","event_id":"sha256:14bf918b113d5f2adb6ec5b0f3296ec7516aa51cb666aa377285771a549e5b37"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UTDUSWHFDY2Q3EQSE5CYH2FAIP/bundle.json","state_url":"https://pith.science/pith/UTDUSWHFDY2Q3EQSE5CYH2FAIP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UTDUSWHFDY2Q3EQSE5CYH2FAIP/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":"2026-06-07T03:04:18Z","links":{"resolver":"https://pith.science/pith/UTDUSWHFDY2Q3EQSE5CYH2FAIP","bundle":"https://pith.science/pith/UTDUSWHFDY2Q3EQSE5CYH2FAIP/bundle.json","state":"https://pith.science/pith/UTDUSWHFDY2Q3EQSE5CYH2FAIP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UTDUSWHFDY2Q3EQSE5CYH2FAIP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:UTDUSWHFDY2Q3EQSE5CYH2FAIP","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":"237c63e7f66bbaf3fdfe29ab87e462f54f0021683a48038647a9222b3f63e800","cross_cats_sorted":["gr-qc","hep-ph"],"license":"","primary_cat":"hep-th","submitted_at":"2004-07-23T17:07:26Z","title_canon_sha256":"40610aced5b7e9a07cb119abdd079deb48324ff2f70cd1c0bdb66b6127ae5a5a"},"schema_version":"1.0","source":{"id":"hep-th/0407208","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0407208","created_at":"2026-05-18T04:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0407208v3","created_at":"2026-05-18T04:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0407208","created_at":"2026-05-18T04:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"UTDUSWHFDY2Q","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"UTDUSWHFDY2Q3EQS","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"UTDUSWHF","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:14bf918b113d5f2adb6ec5b0f3296ec7516aa51cb666aa377285771a549e5b37","target":"graph","created_at":"2026-05-18T04:35:23Z","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":"We explore solutions of six dimensional gravity coupled to a non-linear sigma model, in the presence of co-dimension two branes. We investigate the compactifications induced by a spherical scalar manifold and analyze the conditions under which they are of finite volume and singularity free. We discuss the issue of single-valuedness of the scalar fields and provide some special embedding of the scalar manifold to the internal space which solves this problem. These brane solutions furnish some self-tuning features, however they do not provide a satisfactory explanation of the vanishing of the ef","authors_text":"Antonios Papazoglou (Bonn U.), Hyun Min Lee","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2004-07-23T17:07:26Z","title":"Brane solutions of a spherical sigma model in six dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0407208","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":"sha256:5327510b578df28d6d29b857f0c30197111e5e2d7f5f2e6ccb4a167af5ca0168","target":"record","created_at":"2026-05-18T04:35:23Z","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":"237c63e7f66bbaf3fdfe29ab87e462f54f0021683a48038647a9222b3f63e800","cross_cats_sorted":["gr-qc","hep-ph"],"license":"","primary_cat":"hep-th","submitted_at":"2004-07-23T17:07:26Z","title_canon_sha256":"40610aced5b7e9a07cb119abdd079deb48324ff2f70cd1c0bdb66b6127ae5a5a"},"schema_version":"1.0","source":{"id":"hep-th/0407208","kind":"arxiv","version":3}},"canonical_sha256":"a4c74958e51e350d9212274583e8a043c5224246b63f68124f6a0daa7cc5aa1a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4c74958e51e350d9212274583e8a043c5224246b63f68124f6a0daa7cc5aa1a","first_computed_at":"2026-05-18T04:35:23.042104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:35:23.042104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z1hYUrKPVhHFearqg0etO1CgGi4voaLPEDI8jS2ktGdzB1auY2C2OR2be20WKV69lHxU/gah3/R+8XU+LsGEDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:35:23.042506Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0407208","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5327510b578df28d6d29b857f0c30197111e5e2d7f5f2e6ccb4a167af5ca0168","sha256:14bf918b113d5f2adb6ec5b0f3296ec7516aa51cb666aa377285771a549e5b37"],"state_sha256":"8148cb93a00fba177365ea08b400bcb8c8a6601d1bd41edc129c247a02e1c58d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QwWz+W3lJYMB32+fQhoh5WCfL44poV8u2HsosrIkBLLNWs1SkcH40p+K/xtIOmamv2Pl1ocBBWE5Ckw5+hMsBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T03:04:18.121147Z","bundle_sha256":"77d325b943d25a14307c838986da8f40ffd158f7776e23813fb7486bab0984a5"}}