{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:NDDT5UBUAZQ2UYAA6AVLFQJ63D","short_pith_number":"pith:NDDT5UBU","canonical_record":{"source":{"id":"hep-th/0205019","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2002-05-02T14:44:12Z","cross_cats_sorted":["astro-ph","hep-ph"],"title_canon_sha256":"c59608c65ba7bae5336390ba19285fffbc3e417fb5f06787840ed9d6289d9fa4","abstract_canon_sha256":"405fe278ab9198751fc7ff04e43e1796dc8d25e0ed9f9315461ce5b1e98f72b0"},"schema_version":"1.0"},"canonical_sha256":"68c73ed0340661aa6000f02ab2c13ed8d549801d4cf6cfcf3ea2ee47fbb2cda5","source":{"kind":"arxiv","id":"hep-th/0205019","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0205019","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0205019v2","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0205019","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"pith_short_12","alias_value":"NDDT5UBUAZQ2","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"pith_short_16","alias_value":"NDDT5UBUAZQ2UYAA","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"pith_short_8","alias_value":"NDDT5UBU","created_at":"2026-07-04T16:34:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:NDDT5UBUAZQ2UYAA6AVLFQJ63D","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0205019","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2002-05-02T14:44:12Z","cross_cats_sorted":["astro-ph","hep-ph"],"title_canon_sha256":"c59608c65ba7bae5336390ba19285fffbc3e417fb5f06787840ed9d6289d9fa4","abstract_canon_sha256":"405fe278ab9198751fc7ff04e43e1796dc8d25e0ed9f9315461ce5b1e98f72b0"},"schema_version":"1.0"},"canonical_sha256":"68c73ed0340661aa6000f02ab2c13ed8d549801d4cf6cfcf3ea2ee47fbb2cda5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:34:44.846166Z","signature_b64":"ZXyHtGWMW4ZyZYaLTvgOlCmpu6WUj0pBOZmgwReBlkC1+2fX4GMZpMVxzD5rBWZYv+j81zkZXBkQQGMMoB7YAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68c73ed0340661aa6000f02ab2c13ed8d549801d4cf6cfcf3ea2ee47fbb2cda5","last_reissued_at":"2026-07-04T16:34:44.845816Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:34:44.845816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0205019","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":"2026-07-04T16:34:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fj/AD9rPX7LiBWuMt46ceaV0UKFjHhGhEufaIwHku7HQXxgNNQMECijcvVzLYySgpWqchgg56ybin6pvtghxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:43:50.957628Z"},"content_sha256":"9e70d60a83a13458b711666fdbdb756c9133efd307d9e3d8e7bf48d059a8af41","schema_version":"1.0","event_id":"sha256:9e70d60a83a13458b711666fdbdb756c9133efd307d9e3d8e7bf48d059a8af41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:NDDT5UBUAZQ2UYAA6AVLFQJ63D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isocurvature perturbations in the Ekpyrotic universe","license":"","headline":"","cross_cats":["astro-ph","hep-ph"],"primary_cat":"hep-th","authors_text":"A. Notari (Scuola Normale Superiore, A. Riotto (INFN, Padova), Pisa)","submitted_at":"2002-05-02T14:44:12Z","abstract_excerpt":"The Ekpyrotic scenario assumes that our visible Universe is a boundary brane in a five-dimensional bulk and that the hot Big Bang occurs when a nearly supersymmetric five-brane travelling along the fifth dimension collides with our visible brane. We show that the generation of isocurvature perturbations is a generic prediction of the Ekpyrotic Universe. This is due to the interactions in the kinetic terms between the brane modulus parametrizing the position of the five-brane in the bulk and the dilaton and volume moduli. We show how to separate explicitly the adiabatic and isorcuvature modes b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0205019","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/0205019/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":"2026-07-04T16:34:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uK5K1DKAwgFIQfm8v8V2w5nhFrpMTSOgluNLko120ABhTgn7bRWs57AVnYCND7hYneP+a5anJnwG+6fwQduPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:43:50.958142Z"},"content_sha256":"0a273f1fbce5abf3ce5fc1eb0ff83c3a56ce7d8221d01d944fc6781854a0970b","schema_version":"1.0","event_id":"sha256:0a273f1fbce5abf3ce5fc1eb0ff83c3a56ce7d8221d01d944fc6781854a0970b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NDDT5UBUAZQ2UYAA6AVLFQJ63D/bundle.json","state_url":"https://pith.science/pith/NDDT5UBUAZQ2UYAA6AVLFQJ63D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NDDT5UBUAZQ2UYAA6AVLFQJ63D/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":"2026-08-11T11:43:50Z","links":{"resolver":"https://pith.science/pith/NDDT5UBUAZQ2UYAA6AVLFQJ63D","bundle":"https://pith.science/pith/NDDT5UBUAZQ2UYAA6AVLFQJ63D/bundle.json","state":"https://pith.science/pith/NDDT5UBUAZQ2UYAA6AVLFQJ63D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NDDT5UBUAZQ2UYAA6AVLFQJ63D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:NDDT5UBUAZQ2UYAA6AVLFQJ63D","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":"405fe278ab9198751fc7ff04e43e1796dc8d25e0ed9f9315461ce5b1e98f72b0","cross_cats_sorted":["astro-ph","hep-ph"],"license":"","primary_cat":"hep-th","submitted_at":"2002-05-02T14:44:12Z","title_canon_sha256":"c59608c65ba7bae5336390ba19285fffbc3e417fb5f06787840ed9d6289d9fa4"},"schema_version":"1.0","source":{"id":"hep-th/0205019","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0205019","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0205019v2","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0205019","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"pith_short_12","alias_value":"NDDT5UBUAZQ2","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"pith_short_16","alias_value":"NDDT5UBUAZQ2UYAA","created_at":"2026-07-04T16:34:44Z"},{"alias_kind":"pith_short_8","alias_value":"NDDT5UBU","created_at":"2026-07-04T16:34:44Z"}],"graph_snapshots":[{"event_id":"sha256:0a273f1fbce5abf3ce5fc1eb0ff83c3a56ce7d8221d01d944fc6781854a0970b","target":"graph","created_at":"2026-07-04T16:34:44Z","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/hep-th/0205019/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Ekpyrotic scenario assumes that our visible Universe is a boundary brane in a five-dimensional bulk and that the hot Big Bang occurs when a nearly supersymmetric five-brane travelling along the fifth dimension collides with our visible brane. We show that the generation of isocurvature perturbations is a generic prediction of the Ekpyrotic Universe. This is due to the interactions in the kinetic terms between the brane modulus parametrizing the position of the five-brane in the bulk and the dilaton and volume moduli. We show how to separate explicitly the adiabatic and isorcuvature modes b","authors_text":"A. Notari (Scuola Normale Superiore, A. Riotto (INFN, Padova), Pisa)","cross_cats":["astro-ph","hep-ph"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2002-05-02T14:44:12Z","title":"Isocurvature perturbations in the Ekpyrotic universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0205019","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":"sha256:9e70d60a83a13458b711666fdbdb756c9133efd307d9e3d8e7bf48d059a8af41","target":"record","created_at":"2026-07-04T16:34:44Z","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":"405fe278ab9198751fc7ff04e43e1796dc8d25e0ed9f9315461ce5b1e98f72b0","cross_cats_sorted":["astro-ph","hep-ph"],"license":"","primary_cat":"hep-th","submitted_at":"2002-05-02T14:44:12Z","title_canon_sha256":"c59608c65ba7bae5336390ba19285fffbc3e417fb5f06787840ed9d6289d9fa4"},"schema_version":"1.0","source":{"id":"hep-th/0205019","kind":"arxiv","version":2}},"canonical_sha256":"68c73ed0340661aa6000f02ab2c13ed8d549801d4cf6cfcf3ea2ee47fbb2cda5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68c73ed0340661aa6000f02ab2c13ed8d549801d4cf6cfcf3ea2ee47fbb2cda5","first_computed_at":"2026-07-04T16:34:44.845816Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:34:44.845816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZXyHtGWMW4ZyZYaLTvgOlCmpu6WUj0pBOZmgwReBlkC1+2fX4GMZpMVxzD5rBWZYv+j81zkZXBkQQGMMoB7YAg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:34:44.846166Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0205019","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e70d60a83a13458b711666fdbdb756c9133efd307d9e3d8e7bf48d059a8af41","sha256:0a273f1fbce5abf3ce5fc1eb0ff83c3a56ce7d8221d01d944fc6781854a0970b"],"state_sha256":"a15983a59e6a441bfa0bf50140f1134da44acac49737d85d5d07cc2a4a460f2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s0BFV37z7cN6N9kpn4eWQR/F7EzQ0VmRvCJLbBmwzmRN3t7FoHSB5nSCl9JPftOAkmb2e00pd6P7Jitq9zKFDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T11:43:50.962649Z","bundle_sha256":"b8895fbfe12853431be1313e7ceaf3e0809d14cf0a8009c7cabceb743c7f16f0"}}