{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:R2SVEKE6WDWTKMD3LZUR4P4FV7","short_pith_number":"pith:R2SVEKE6","canonical_record":{"source":{"id":"1807.06880","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-07-18T11:57:03Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"8a1b5a9f02d1d28072c8d85a38494ac34e585a6874c94b74a65bfbb9112fc8f0","abstract_canon_sha256":"b653df6a98d4c31b6f30381c6dac9914b63c122e9211a2602833978cae268334"},"schema_version":"1.0"},"canonical_sha256":"8ea552289eb0ed35307b5e691e3f85afcc83201883268b11c2a5d19be6a01920","source":{"kind":"arxiv","id":"1807.06880","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.06880","created_at":"2026-05-18T00:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1807.06880v2","created_at":"2026-05-18T00:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06880","created_at":"2026-05-18T00:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"R2SVEKE6WDWT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R2SVEKE6WDWTKMD3","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R2SVEKE6","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:R2SVEKE6WDWTKMD3LZUR4P4FV7","target":"record","payload":{"canonical_record":{"source":{"id":"1807.06880","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-07-18T11:57:03Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"8a1b5a9f02d1d28072c8d85a38494ac34e585a6874c94b74a65bfbb9112fc8f0","abstract_canon_sha256":"b653df6a98d4c31b6f30381c6dac9914b63c122e9211a2602833978cae268334"},"schema_version":"1.0"},"canonical_sha256":"8ea552289eb0ed35307b5e691e3f85afcc83201883268b11c2a5d19be6a01920","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:55.646740Z","signature_b64":"yyJTlZd54ZcT5HeWXIxA4MnVJMg3/IBnAiXxwNmVJI6R4IVS/3tmLOlqihx3DzsDewXEXWs0drWLfi7IO1fZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ea552289eb0ed35307b5e691e3f85afcc83201883268b11c2a5d19be6a01920","last_reissued_at":"2026-05-18T00:03:55.646201Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:55.646201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.06880","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":"2026-05-18T00:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9O9if7mhoABjIaApPam9L/yh/9lnVsZCRo2A4P/Z1hmwJKh/WSis6+b1rVJGrGL0+IAZVSDw72h7hPIhjEwcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:10:45.659653Z"},"content_sha256":"e6ee6d0b0247d55770f764765c202110710fc5d692951acf524d3b575b39bf01","schema_version":"1.0","event_id":"sha256:e6ee6d0b0247d55770f764765c202110710fc5d692951acf524d3b575b39bf01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:R2SVEKE6WDWTKMD3LZUR4P4FV7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anti-Gravitating Brane-World Solutions for a de Sitter Brane in Scalar-Tensor Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Nikolaos Pappas, Panagiota Kanti, Theodoros Nakas","submitted_at":"2018-07-18T11:57:03Z","abstract_excerpt":"In the context of a five-dimensional theory with a scalar field non-minimally-coupled to gravity, we look for solutions that describe novel black-string or maximally-symmetric solutions in the bulk. The brane line-element is found to describe a Schwarzschild-(Anti)-de Sitter spacetime, and, here, we choose to study solutions with a positive four-dimensional cosmological constant. We consider two different forms of the coupling function of the scalar field to the bulk scalar curvature, a linear and a quadratic one. In the linear case, we find solutions where the theory, close to our brane, mimi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06880","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":"2026-05-18T00:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BC7CoHJzbVKl3dAfThYM9ou/mSCd5H7FTXbNNbDKGMBOl10QTc4Pf2yIJ4evRKHyxA3CNoC5BkGEyxfihTnYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:10:45.660409Z"},"content_sha256":"b4d3043685a18b27a0745e5d4cb579853eeb2a5d9a609a8f17636507fbae9d5b","schema_version":"1.0","event_id":"sha256:b4d3043685a18b27a0745e5d4cb579853eeb2a5d9a609a8f17636507fbae9d5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R2SVEKE6WDWTKMD3LZUR4P4FV7/bundle.json","state_url":"https://pith.science/pith/R2SVEKE6WDWTKMD3LZUR4P4FV7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R2SVEKE6WDWTKMD3LZUR4P4FV7/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":"2026-05-31T06:10:45Z","links":{"resolver":"https://pith.science/pith/R2SVEKE6WDWTKMD3LZUR4P4FV7","bundle":"https://pith.science/pith/R2SVEKE6WDWTKMD3LZUR4P4FV7/bundle.json","state":"https://pith.science/pith/R2SVEKE6WDWTKMD3LZUR4P4FV7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R2SVEKE6WDWTKMD3LZUR4P4FV7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:R2SVEKE6WDWTKMD3LZUR4P4FV7","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":"b653df6a98d4c31b6f30381c6dac9914b63c122e9211a2602833978cae268334","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-07-18T11:57:03Z","title_canon_sha256":"8a1b5a9f02d1d28072c8d85a38494ac34e585a6874c94b74a65bfbb9112fc8f0"},"schema_version":"1.0","source":{"id":"1807.06880","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.06880","created_at":"2026-05-18T00:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1807.06880v2","created_at":"2026-05-18T00:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06880","created_at":"2026-05-18T00:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"R2SVEKE6WDWT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R2SVEKE6WDWTKMD3","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R2SVEKE6","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:b4d3043685a18b27a0745e5d4cb579853eeb2a5d9a609a8f17636507fbae9d5b","target":"graph","created_at":"2026-05-18T00:03:55Z","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 the context of a five-dimensional theory with a scalar field non-minimally-coupled to gravity, we look for solutions that describe novel black-string or maximally-symmetric solutions in the bulk. The brane line-element is found to describe a Schwarzschild-(Anti)-de Sitter spacetime, and, here, we choose to study solutions with a positive four-dimensional cosmological constant. We consider two different forms of the coupling function of the scalar field to the bulk scalar curvature, a linear and a quadratic one. In the linear case, we find solutions where the theory, close to our brane, mimi","authors_text":"Nikolaos Pappas, Panagiota Kanti, Theodoros Nakas","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-07-18T11:57:03Z","title":"Anti-Gravitating Brane-World Solutions for a de Sitter Brane in Scalar-Tensor Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06880","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:e6ee6d0b0247d55770f764765c202110710fc5d692951acf524d3b575b39bf01","target":"record","created_at":"2026-05-18T00:03:55Z","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":"b653df6a98d4c31b6f30381c6dac9914b63c122e9211a2602833978cae268334","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-07-18T11:57:03Z","title_canon_sha256":"8a1b5a9f02d1d28072c8d85a38494ac34e585a6874c94b74a65bfbb9112fc8f0"},"schema_version":"1.0","source":{"id":"1807.06880","kind":"arxiv","version":2}},"canonical_sha256":"8ea552289eb0ed35307b5e691e3f85afcc83201883268b11c2a5d19be6a01920","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ea552289eb0ed35307b5e691e3f85afcc83201883268b11c2a5d19be6a01920","first_computed_at":"2026-05-18T00:03:55.646201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:55.646201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yyJTlZd54ZcT5HeWXIxA4MnVJMg3/IBnAiXxwNmVJI6R4IVS/3tmLOlqihx3DzsDewXEXWs0drWLfi7IO1fZBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:55.646740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.06880","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6ee6d0b0247d55770f764765c202110710fc5d692951acf524d3b575b39bf01","sha256:b4d3043685a18b27a0745e5d4cb579853eeb2a5d9a609a8f17636507fbae9d5b"],"state_sha256":"c7111fb3b94a10d3dc6b36e9218a400aecbe39ba6b25087fa1fca4f5f2584df4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kR3k0d+lKpHPHHWlYS7Dzfan24ENk0Y1sCguFnK7/i6QdSL5J5l6l+JSTzHNQO217EBzzRiYBzdR4/6PU5tYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T06:10:45.664245Z","bundle_sha256":"1d8a1f0e887920915415801c1465027f28a53d51184529e6b62120fa95d5b3e5"}}