{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KOM4RDZ255H7ATVGYEI6HLA47Y","short_pith_number":"pith:KOM4RDZ2","canonical_record":{"source":{"id":"1601.05256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-20T12:51:22Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a9be20c2b84494f239d5d4fef6d7be52a818f0ead3b83d7ac2babe39493e4fc3","abstract_canon_sha256":"ab346879e354903dc8408ea203ff83f96ebcc3423aefcf67bed9974798eb5e4d"},"schema_version":"1.0"},"canonical_sha256":"5399c88f3aef4ff04ea6c111e3ac1cfe1775973e02b24b2b7cee017c4b0154b6","source":{"kind":"arxiv","id":"1601.05256","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.05256","created_at":"2026-05-18T01:22:15Z"},{"alias_kind":"arxiv_version","alias_value":"1601.05256v1","created_at":"2026-05-18T01:22:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.05256","created_at":"2026-05-18T01:22:15Z"},{"alias_kind":"pith_short_12","alias_value":"KOM4RDZ255H7","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KOM4RDZ255H7ATVG","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KOM4RDZ2","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KOM4RDZ255H7ATVGYEI6HLA47Y","target":"record","payload":{"canonical_record":{"source":{"id":"1601.05256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-20T12:51:22Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a9be20c2b84494f239d5d4fef6d7be52a818f0ead3b83d7ac2babe39493e4fc3","abstract_canon_sha256":"ab346879e354903dc8408ea203ff83f96ebcc3423aefcf67bed9974798eb5e4d"},"schema_version":"1.0"},"canonical_sha256":"5399c88f3aef4ff04ea6c111e3ac1cfe1775973e02b24b2b7cee017c4b0154b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:15.653677Z","signature_b64":"hKLK+B1BBpOzH1XOufdUhhcH/QTh6yv9u8plB3oPFaJBfa/oAhGDd8WdgsAfgSoalRgJ39zAM7td6GvILVr7AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5399c88f3aef4ff04ea6c111e3ac1cfe1775973e02b24b2b7cee017c4b0154b6","last_reissued_at":"2026-05-18T01:22:15.653041Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:15.653041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.05256","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":"2026-05-18T01:22:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LSVbCeCFL8389XeG6o0fBVKJaTT/2KtW81b0wooVSDUrI4BjSPdGs0XWVzx/U0KpchNyP0q4prXwmfRzFeHQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:27:45.802855Z"},"content_sha256":"8aeff57c8bed1410165ed6ff15fd26e50c2f273920463586528da4108f3280e7","schema_version":"1.0","event_id":"sha256:8aeff57c8bed1410165ed6ff15fd26e50c2f273920463586528da4108f3280e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KOM4RDZ255H7ATVGYEI6HLA47Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inhomogeneity of the $\\Lambda$LTB models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Iiro Vilja, Peter Sundell","submitted_at":"2016-01-20T12:51:22Z","abstract_excerpt":"The Lema\\'itre-Toman-Bondi (LTB) models have reported to suffer from incompatibility with cosmological observations and fine-tuning of the observer's location. Further analysis of these issues indicates that they could be resolved by models that are compatible with the supernova Ia data, but less inhomogeneous than those that have been presented in the literature so far. We study if such models exist by employing the degrees of freedom of the LTB models in a novel manner. We discovered two scenarios which may meet the expectations, but extensive numerical and analytical investigation showed th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.05256","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":"2026-05-18T01:22:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QDGI/KiyYIVwoE9FbaysaconXhSavQbHCFcZJDb3Bvzm6ZFPm7dUvsvZLAEgL2Idq8xpzYetUP47OTuDz3MOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:27:45.803599Z"},"content_sha256":"3a4af1d25795942e4856ed77eaa64f68d74bff4faec46f5c9273c36b8a128325","schema_version":"1.0","event_id":"sha256:3a4af1d25795942e4856ed77eaa64f68d74bff4faec46f5c9273c36b8a128325"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KOM4RDZ255H7ATVGYEI6HLA47Y/bundle.json","state_url":"https://pith.science/pith/KOM4RDZ255H7ATVGYEI6HLA47Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KOM4RDZ255H7ATVGYEI6HLA47Y/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":"2026-06-06T08:27:45Z","links":{"resolver":"https://pith.science/pith/KOM4RDZ255H7ATVGYEI6HLA47Y","bundle":"https://pith.science/pith/KOM4RDZ255H7ATVGYEI6HLA47Y/bundle.json","state":"https://pith.science/pith/KOM4RDZ255H7ATVGYEI6HLA47Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KOM4RDZ255H7ATVGYEI6HLA47Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KOM4RDZ255H7ATVGYEI6HLA47Y","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":"ab346879e354903dc8408ea203ff83f96ebcc3423aefcf67bed9974798eb5e4d","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-20T12:51:22Z","title_canon_sha256":"a9be20c2b84494f239d5d4fef6d7be52a818f0ead3b83d7ac2babe39493e4fc3"},"schema_version":"1.0","source":{"id":"1601.05256","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.05256","created_at":"2026-05-18T01:22:15Z"},{"alias_kind":"arxiv_version","alias_value":"1601.05256v1","created_at":"2026-05-18T01:22:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.05256","created_at":"2026-05-18T01:22:15Z"},{"alias_kind":"pith_short_12","alias_value":"KOM4RDZ255H7","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KOM4RDZ255H7ATVG","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KOM4RDZ2","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:3a4af1d25795942e4856ed77eaa64f68d74bff4faec46f5c9273c36b8a128325","target":"graph","created_at":"2026-05-18T01:22:15Z","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":"The Lema\\'itre-Toman-Bondi (LTB) models have reported to suffer from incompatibility with cosmological observations and fine-tuning of the observer's location. Further analysis of these issues indicates that they could be resolved by models that are compatible with the supernova Ia data, but less inhomogeneous than those that have been presented in the literature so far. We study if such models exist by employing the degrees of freedom of the LTB models in a novel manner. We discovered two scenarios which may meet the expectations, but extensive numerical and analytical investigation showed th","authors_text":"Iiro Vilja, Peter Sundell","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-20T12:51:22Z","title":"Inhomogeneity of the $\\Lambda$LTB models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.05256","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":"sha256:8aeff57c8bed1410165ed6ff15fd26e50c2f273920463586528da4108f3280e7","target":"record","created_at":"2026-05-18T01:22:15Z","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":"ab346879e354903dc8408ea203ff83f96ebcc3423aefcf67bed9974798eb5e4d","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-20T12:51:22Z","title_canon_sha256":"a9be20c2b84494f239d5d4fef6d7be52a818f0ead3b83d7ac2babe39493e4fc3"},"schema_version":"1.0","source":{"id":"1601.05256","kind":"arxiv","version":1}},"canonical_sha256":"5399c88f3aef4ff04ea6c111e3ac1cfe1775973e02b24b2b7cee017c4b0154b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5399c88f3aef4ff04ea6c111e3ac1cfe1775973e02b24b2b7cee017c4b0154b6","first_computed_at":"2026-05-18T01:22:15.653041Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:15.653041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hKLK+B1BBpOzH1XOufdUhhcH/QTh6yv9u8plB3oPFaJBfa/oAhGDd8WdgsAfgSoalRgJ39zAM7td6GvILVr7AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:15.653677Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.05256","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8aeff57c8bed1410165ed6ff15fd26e50c2f273920463586528da4108f3280e7","sha256:3a4af1d25795942e4856ed77eaa64f68d74bff4faec46f5c9273c36b8a128325"],"state_sha256":"5f72e67e177f617fc9a38bd5359672d8f6ab628484eefb8548e888bddf0409b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vy8ha3+syi6tbynD6rKd0U7SrdfbvWhPgl2mfPWXsTA9AibgEuc3j/hSqvTWv5dzzc+7z4S1Dja17eDR0gWiAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T08:27:45.807346Z","bundle_sha256":"9e93a0fb5404b27e08795c575a099d919d1a8742508d95243502d12bf3420afc"}}