{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:27GQ3J3ZSAFF2AS5EKXSDAFDDE","short_pith_number":"pith:27GQ3J3Z","canonical_record":{"source":{"id":"1603.04797","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-03-15T18:18:24Z","cross_cats_sorted":[],"title_canon_sha256":"ca3c2213f5827f6db1d65fca6fdd942976e18b4ad41546660413a91aceffe6dd","abstract_canon_sha256":"65a6d48fc01429c74e74a9a20fef170f8456c00f948856fbf55051776fc46caf"},"schema_version":"1.0"},"canonical_sha256":"d7cd0da779900a5d025d22af2180a3190d74d867d0cfee911d4d73088dfffba2","source":{"kind":"arxiv","id":"1603.04797","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04797","created_at":"2026-05-18T00:30:09Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04797v1","created_at":"2026-05-18T00:30:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04797","created_at":"2026-05-18T00:30:09Z"},{"alias_kind":"pith_short_12","alias_value":"27GQ3J3ZSAFF","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"27GQ3J3ZSAFF2AS5","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"27GQ3J3Z","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:27GQ3J3ZSAFF2AS5EKXSDAFDDE","target":"record","payload":{"canonical_record":{"source":{"id":"1603.04797","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-03-15T18:18:24Z","cross_cats_sorted":[],"title_canon_sha256":"ca3c2213f5827f6db1d65fca6fdd942976e18b4ad41546660413a91aceffe6dd","abstract_canon_sha256":"65a6d48fc01429c74e74a9a20fef170f8456c00f948856fbf55051776fc46caf"},"schema_version":"1.0"},"canonical_sha256":"d7cd0da779900a5d025d22af2180a3190d74d867d0cfee911d4d73088dfffba2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:09.313701Z","signature_b64":"Vy54IPtnynzRE83IRA/8HdRPoz23n6DVHL0oueaboTuaq2VFRJkJ/Y6eqRc0cuwSa8Ew8l/93sP1EuNhzSLODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7cd0da779900a5d025d22af2180a3190d74d867d0cfee911d4d73088dfffba2","last_reissued_at":"2026-05-18T00:30:09.313057Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:09.313057Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.04797","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":"2026-05-18T00:30:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kmiv/x+DspLokGZgElb1m0MkKaT9+MqNBhELWtURztXXJo9J/Lz7rHu9cPQMHiCosL/YJEGGAH4ylqHA1c2TBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:06:31.412290Z"},"content_sha256":"7ddbf44b004104e9a57ba55622643a5f958e7eee09647d1c7297803110fe508c","schema_version":"1.0","event_id":"sha256:7ddbf44b004104e9a57ba55622643a5f958e7eee09647d1c7297803110fe508c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:27GQ3J3ZSAFF2AS5EKXSDAFDDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Friedmann-Robertson-Walker Braneworlds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Alvaro de Souza Dutra, Julio Marny Hoff da Silva, Paulo Michel L. T. da Silva","submitted_at":"2016-03-15T18:18:24Z","abstract_excerpt":"We study the cosmological evolution with nonsingular branes generated by a bulk scalar field coupled to gravity. The specific setup investigated leads to branes with a time-dependent warp factor. We calculate the effective Hubble parameter and the effective scale factor for the FRW branes obtained solutions. The spatially dependent branes solutions also were found."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04797","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":"2026-05-18T00:30:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ykpjLqPuRC0z0oKyxrrzcTLpu76cNgwHHKtcpco92QIe7wSa6ugHngnMndhwtumcEAe7Mc7PGisiuqzHdm4DCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:06:31.412888Z"},"content_sha256":"40e1bc4d1663cb271aa02727c76f34ffb989abd262a6aa7d51321a5d1d3ee269","schema_version":"1.0","event_id":"sha256:40e1bc4d1663cb271aa02727c76f34ffb989abd262a6aa7d51321a5d1d3ee269"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/27GQ3J3ZSAFF2AS5EKXSDAFDDE/bundle.json","state_url":"https://pith.science/pith/27GQ3J3ZSAFF2AS5EKXSDAFDDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/27GQ3J3ZSAFF2AS5EKXSDAFDDE/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":"2026-05-26T16:06:31Z","links":{"resolver":"https://pith.science/pith/27GQ3J3ZSAFF2AS5EKXSDAFDDE","bundle":"https://pith.science/pith/27GQ3J3ZSAFF2AS5EKXSDAFDDE/bundle.json","state":"https://pith.science/pith/27GQ3J3ZSAFF2AS5EKXSDAFDDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/27GQ3J3ZSAFF2AS5EKXSDAFDDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:27GQ3J3ZSAFF2AS5EKXSDAFDDE","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":"65a6d48fc01429c74e74a9a20fef170f8456c00f948856fbf55051776fc46caf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-03-15T18:18:24Z","title_canon_sha256":"ca3c2213f5827f6db1d65fca6fdd942976e18b4ad41546660413a91aceffe6dd"},"schema_version":"1.0","source":{"id":"1603.04797","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04797","created_at":"2026-05-18T00:30:09Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04797v1","created_at":"2026-05-18T00:30:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04797","created_at":"2026-05-18T00:30:09Z"},{"alias_kind":"pith_short_12","alias_value":"27GQ3J3ZSAFF","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"27GQ3J3ZSAFF2AS5","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"27GQ3J3Z","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:40e1bc4d1663cb271aa02727c76f34ffb989abd262a6aa7d51321a5d1d3ee269","target":"graph","created_at":"2026-05-18T00:30:09Z","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"},"paper":{"abstract_excerpt":"We study the cosmological evolution with nonsingular branes generated by a bulk scalar field coupled to gravity. The specific setup investigated leads to branes with a time-dependent warp factor. We calculate the effective Hubble parameter and the effective scale factor for the FRW branes obtained solutions. The spatially dependent branes solutions also were found.","authors_text":"Alvaro de Souza Dutra, Julio Marny Hoff da Silva, Paulo Michel L. T. da Silva","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-03-15T18:18:24Z","title":"Friedmann-Robertson-Walker Braneworlds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04797","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":"sha256:7ddbf44b004104e9a57ba55622643a5f958e7eee09647d1c7297803110fe508c","target":"record","created_at":"2026-05-18T00:30:09Z","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":"65a6d48fc01429c74e74a9a20fef170f8456c00f948856fbf55051776fc46caf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-03-15T18:18:24Z","title_canon_sha256":"ca3c2213f5827f6db1d65fca6fdd942976e18b4ad41546660413a91aceffe6dd"},"schema_version":"1.0","source":{"id":"1603.04797","kind":"arxiv","version":1}},"canonical_sha256":"d7cd0da779900a5d025d22af2180a3190d74d867d0cfee911d4d73088dfffba2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7cd0da779900a5d025d22af2180a3190d74d867d0cfee911d4d73088dfffba2","first_computed_at":"2026-05-18T00:30:09.313057Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:09.313057Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vy54IPtnynzRE83IRA/8HdRPoz23n6DVHL0oueaboTuaq2VFRJkJ/Y6eqRc0cuwSa8Ew8l/93sP1EuNhzSLODw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:09.313701Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.04797","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ddbf44b004104e9a57ba55622643a5f958e7eee09647d1c7297803110fe508c","sha256:40e1bc4d1663cb271aa02727c76f34ffb989abd262a6aa7d51321a5d1d3ee269"],"state_sha256":"a260a47132bf8397b470178757afa3db8dc86ebdc7874b86962437a6dbc1d03a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s+32JhfYwW+Cmkf3OYOJEv/7KIG2oM0aersKJc2mvOZ6IgHWsiJN0EBfq7bpOwhlq1otvnP/vGBK3WkQlz98Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:06:31.415841Z","bundle_sha256":"d90a0012013a942d288ef2ef646145885cb54a11aaa89ac8bc388cc6acb4ccf7"}}