{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:MR4B6SHXXEMU3SFZUHST3WPLPA","short_pith_number":"pith:MR4B6SHX","canonical_record":{"source":{"id":"astro-ph/0202066","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-02-04T15:07:39Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"7e395bc313dfd0a6c7708267956b161c4c0e7b2e8836dd02c6663d9e77b5c38f","abstract_canon_sha256":"b8e740ecebe789f1ed239dffc190c0fd8c52d2f97f467b16836ac6374e06b116"},"schema_version":"1.0"},"canonical_sha256":"64781f48f7b9194dc8b9a1e53dd9eb783d643a466d6120a61c8ab6c4b8c97ba6","source":{"kind":"arxiv","id":"astro-ph/0202066","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0202066","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0202066v1","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0202066","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"pith_short_12","alias_value":"MR4B6SHXXEMU","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"pith_short_16","alias_value":"MR4B6SHXXEMU3SFZ","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"pith_short_8","alias_value":"MR4B6SHX","created_at":"2026-07-04T16:29:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:MR4B6SHXXEMU3SFZUHST3WPLPA","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0202066","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-02-04T15:07:39Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"7e395bc313dfd0a6c7708267956b161c4c0e7b2e8836dd02c6663d9e77b5c38f","abstract_canon_sha256":"b8e740ecebe789f1ed239dffc190c0fd8c52d2f97f467b16836ac6374e06b116"},"schema_version":"1.0"},"canonical_sha256":"64781f48f7b9194dc8b9a1e53dd9eb783d643a466d6120a61c8ab6c4b8c97ba6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:29:21.624124Z","signature_b64":"6pijXqs47UHEdR1v4hwa2Ik2dt61Vqo4LBS1QFP5AlCI+3GGpJHXNKu4pANldo0VlR7+fBUbIqoKSczioNClDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64781f48f7b9194dc8b9a1e53dd9eb783d643a466d6120a61c8ab6c4b8c97ba6","last_reissued_at":"2026-07-04T16:29:21.623738Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:29:21.623738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0202066","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":"2026-07-04T16:29:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vGxO4E6RpV7lDpx71F98ZLfinz4n+zuAY9rNY2UBk3NYlmsI22TV44BlMcnKReM6nlCcFLrFNERpkFLAez+VAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:27:00.206287Z"},"content_sha256":"81ce0739bb50d9dddcdbca15d900c3f31e1f8945783ca732c86066ef02c29a41","schema_version":"1.0","event_id":"sha256:81ce0739bb50d9dddcdbca15d900c3f31e1f8945783ca732c86066ef02c29a41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:MR4B6SHXXEMU3SFZUHST3WPLPA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lensed Density Perturbations in Braneworlds: An Alternative to Perturbations from Inflation","license":"","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"astro-ph","authors_text":"Daniel J. H. Chung, Katherine Freese","submitted_at":"2002-02-04T15:07:39Z","abstract_excerpt":"We consider a scenario in which our observable universe is a 3-dimensional surface (3-brane) living in extra dimensions with a warped geometry. We show that ``lensed'' density perturbations from other branes serve as possible seeds for structure formation on our observable brane (without inflation), and, in addition, provide constraints on braneworld scenarios with warped bulk geometry. Due to the warped bulk metric, any perturbation generated on one brane (or in the bulk matter) appears to an observer on a second brane to have a significantly different amplitude. We analyze lensed perturbatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0202066","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/astro-ph/0202066/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":"2026-07-04T16:29:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5rcTl5A6gbpP34e1W9FVuzh6pA/g2PY1D9E8KLFTceBYt6jjyIlQ1SijDacQh0lQUqR2xH2OvvRH3YIR5wv6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:27:00.206657Z"},"content_sha256":"58df6cb176c733979029886cf0f1dc902bd2b22b5d85aa44a99a104721c8b13a","schema_version":"1.0","event_id":"sha256:58df6cb176c733979029886cf0f1dc902bd2b22b5d85aa44a99a104721c8b13a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MR4B6SHXXEMU3SFZUHST3WPLPA/bundle.json","state_url":"https://pith.science/pith/MR4B6SHXXEMU3SFZUHST3WPLPA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MR4B6SHXXEMU3SFZUHST3WPLPA/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":"2026-07-05T09:27:00Z","links":{"resolver":"https://pith.science/pith/MR4B6SHXXEMU3SFZUHST3WPLPA","bundle":"https://pith.science/pith/MR4B6SHXXEMU3SFZUHST3WPLPA/bundle.json","state":"https://pith.science/pith/MR4B6SHXXEMU3SFZUHST3WPLPA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MR4B6SHXXEMU3SFZUHST3WPLPA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:MR4B6SHXXEMU3SFZUHST3WPLPA","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":"b8e740ecebe789f1ed239dffc190c0fd8c52d2f97f467b16836ac6374e06b116","cross_cats_sorted":["hep-ph","hep-th"],"license":"","primary_cat":"astro-ph","submitted_at":"2002-02-04T15:07:39Z","title_canon_sha256":"7e395bc313dfd0a6c7708267956b161c4c0e7b2e8836dd02c6663d9e77b5c38f"},"schema_version":"1.0","source":{"id":"astro-ph/0202066","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0202066","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0202066v1","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0202066","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"pith_short_12","alias_value":"MR4B6SHXXEMU","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"pith_short_16","alias_value":"MR4B6SHXXEMU3SFZ","created_at":"2026-07-04T16:29:21Z"},{"alias_kind":"pith_short_8","alias_value":"MR4B6SHX","created_at":"2026-07-04T16:29:21Z"}],"graph_snapshots":[{"event_id":"sha256:58df6cb176c733979029886cf0f1dc902bd2b22b5d85aa44a99a104721c8b13a","target":"graph","created_at":"2026-07-04T16:29:21Z","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/astro-ph/0202066/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider a scenario in which our observable universe is a 3-dimensional surface (3-brane) living in extra dimensions with a warped geometry. We show that ``lensed'' density perturbations from other branes serve as possible seeds for structure formation on our observable brane (without inflation), and, in addition, provide constraints on braneworld scenarios with warped bulk geometry. Due to the warped bulk metric, any perturbation generated on one brane (or in the bulk matter) appears to an observer on a second brane to have a significantly different amplitude. We analyze lensed perturbatio","authors_text":"Daniel J. H. Chung, Katherine Freese","cross_cats":["hep-ph","hep-th"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-02-04T15:07:39Z","title":"Lensed Density Perturbations in Braneworlds: An Alternative to Perturbations from Inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0202066","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":"sha256:81ce0739bb50d9dddcdbca15d900c3f31e1f8945783ca732c86066ef02c29a41","target":"record","created_at":"2026-07-04T16:29:21Z","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":"b8e740ecebe789f1ed239dffc190c0fd8c52d2f97f467b16836ac6374e06b116","cross_cats_sorted":["hep-ph","hep-th"],"license":"","primary_cat":"astro-ph","submitted_at":"2002-02-04T15:07:39Z","title_canon_sha256":"7e395bc313dfd0a6c7708267956b161c4c0e7b2e8836dd02c6663d9e77b5c38f"},"schema_version":"1.0","source":{"id":"astro-ph/0202066","kind":"arxiv","version":1}},"canonical_sha256":"64781f48f7b9194dc8b9a1e53dd9eb783d643a466d6120a61c8ab6c4b8c97ba6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64781f48f7b9194dc8b9a1e53dd9eb783d643a466d6120a61c8ab6c4b8c97ba6","first_computed_at":"2026-07-04T16:29:21.623738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:29:21.623738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6pijXqs47UHEdR1v4hwa2Ik2dt61Vqo4LBS1QFP5AlCI+3GGpJHXNKu4pANldo0VlR7+fBUbIqoKSczioNClDg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:29:21.624124Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0202066","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81ce0739bb50d9dddcdbca15d900c3f31e1f8945783ca732c86066ef02c29a41","sha256:58df6cb176c733979029886cf0f1dc902bd2b22b5d85aa44a99a104721c8b13a"],"state_sha256":"4f2bfcc772792dae2363684c0e78fd1651c65a9660667438e8942acc03b5735b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0CRpgvfAodxXqNHDkiIt9Ywdrl2nQ4ZW4zhK/80O/ASjnLMmAyTpUVDDfSyoxF2ei6A23Sm5DCLs+ltCe2t0Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T09:27:00.208505Z","bundle_sha256":"1b63106fa69a16f3ffd9100d995edcb79566ad446374fb7e6df96a57d77b40cf"}}