{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XMXS6PBJIH4VRC2CTCGIOFEE7E","short_pith_number":"pith:XMXS6PBJ","canonical_record":{"source":{"id":"1603.00028","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-29T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"9f74f9e37d7427aeca122d71b661479000e0d67d7647b98f0fe4b71fa530be71","abstract_canon_sha256":"60266870dd105de13aa5fbd2e028e71a00b6011a690967a8f1284c56a3d066d6"},"schema_version":"1.0"},"canonical_sha256":"bb2f2f3c2941f9588b42988c871484f910c6d6e400204ad96385abc692685645","source":{"kind":"arxiv","id":"1603.00028","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.00028","created_at":"2026-05-18T00:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1603.00028v3","created_at":"2026-05-18T00:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.00028","created_at":"2026-05-18T00:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"XMXS6PBJIH4V","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XMXS6PBJIH4VRC2C","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XMXS6PBJ","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XMXS6PBJIH4VRC2CTCGIOFEE7E","target":"record","payload":{"canonical_record":{"source":{"id":"1603.00028","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-29T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"9f74f9e37d7427aeca122d71b661479000e0d67d7647b98f0fe4b71fa530be71","abstract_canon_sha256":"60266870dd105de13aa5fbd2e028e71a00b6011a690967a8f1284c56a3d066d6"},"schema_version":"1.0"},"canonical_sha256":"bb2f2f3c2941f9588b42988c871484f910c6d6e400204ad96385abc692685645","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:39.199188Z","signature_b64":"AzEu7iAaWLj4Ek8R5rzI8W5NuO94YYUYXCiqHKoAqbB8ClF/7l38VnWqUGwligb1DvMu76bHOHdaG1UsxPJUDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb2f2f3c2941f9588b42988c871484f910c6d6e400204ad96385abc692685645","last_reissued_at":"2026-05-18T00:16:39.198701Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:39.198701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.00028","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ssg0YCA2qr/APVZA1P8wPoisLt0EW1JaHJ3EQMpzLDXpJM9AgQlH+RlRr1WbIiD29T+lP9123+wWABp428p+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T09:19:02.677793Z"},"content_sha256":"c38ea62b4d81c92a1d72fc893ff1a348f566d1e2bc71fdbb4adfd177d57efc14","schema_version":"1.0","event_id":"sha256:c38ea62b4d81c92a1d72fc893ff1a348f566d1e2bc71fdbb4adfd177d57efc14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XMXS6PBJIH4VRC2CTCGIOFEE7E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Unified Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Alessandro Codello, Rajeev Kumar Jain","submitted_at":"2016-02-29T21:00:05Z","abstract_excerpt":"We present a unified evolution of the universe from very early times until the present epoch by including both the leading local correction $R^2$ and the leading non-local term $R\\frac{1}{\\square^2}R$ to the classical gravitational action. We find that the inflationary phase driven by $R^2$ term gracefully exits in a transitory regime characterized by coherent oscillations of the Hubble parameter. The universe then naturally enters into a radiation dominated epoch followed by a matter dominated era. At sufficiently late times after radiation-matter equality, the non-local term starts to domina"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.00028","kind":"arxiv","version":3},"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":"2026-05-18T00:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k1j74ZxPL95rP6snJOB9o/zdGNU16VguUhjJdOwqmf2S3K8bmMSd4+PHJK1SBVYW8pMFZ/uz0kB20es+RSqvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T09:19:02.678192Z"},"content_sha256":"2cc026f134eba5ed17f57511a21dc4a5acec8aa8bd3bb3f58e8861a30c02b639","schema_version":"1.0","event_id":"sha256:2cc026f134eba5ed17f57511a21dc4a5acec8aa8bd3bb3f58e8861a30c02b639"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XMXS6PBJIH4VRC2CTCGIOFEE7E/bundle.json","state_url":"https://pith.science/pith/XMXS6PBJIH4VRC2CTCGIOFEE7E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XMXS6PBJIH4VRC2CTCGIOFEE7E/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":"2026-06-11T09:19:02Z","links":{"resolver":"https://pith.science/pith/XMXS6PBJIH4VRC2CTCGIOFEE7E","bundle":"https://pith.science/pith/XMXS6PBJIH4VRC2CTCGIOFEE7E/bundle.json","state":"https://pith.science/pith/XMXS6PBJIH4VRC2CTCGIOFEE7E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XMXS6PBJIH4VRC2CTCGIOFEE7E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XMXS6PBJIH4VRC2CTCGIOFEE7E","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":"60266870dd105de13aa5fbd2e028e71a00b6011a690967a8f1284c56a3d066d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-29T21:00:05Z","title_canon_sha256":"9f74f9e37d7427aeca122d71b661479000e0d67d7647b98f0fe4b71fa530be71"},"schema_version":"1.0","source":{"id":"1603.00028","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.00028","created_at":"2026-05-18T00:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1603.00028v3","created_at":"2026-05-18T00:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.00028","created_at":"2026-05-18T00:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"XMXS6PBJIH4V","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XMXS6PBJIH4VRC2C","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XMXS6PBJ","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:2cc026f134eba5ed17f57511a21dc4a5acec8aa8bd3bb3f58e8861a30c02b639","target":"graph","created_at":"2026-05-18T00:16:39Z","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 present a unified evolution of the universe from very early times until the present epoch by including both the leading local correction $R^2$ and the leading non-local term $R\\frac{1}{\\square^2}R$ to the classical gravitational action. We find that the inflationary phase driven by $R^2$ term gracefully exits in a transitory regime characterized by coherent oscillations of the Hubble parameter. The universe then naturally enters into a radiation dominated epoch followed by a matter dominated era. At sufficiently late times after radiation-matter equality, the non-local term starts to domina","authors_text":"Alessandro Codello, Rajeev Kumar Jain","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-29T21:00:05Z","title":"A Unified Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.00028","kind":"arxiv","version":3},"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:c38ea62b4d81c92a1d72fc893ff1a348f566d1e2bc71fdbb4adfd177d57efc14","target":"record","created_at":"2026-05-18T00:16:39Z","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":"60266870dd105de13aa5fbd2e028e71a00b6011a690967a8f1284c56a3d066d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-29T21:00:05Z","title_canon_sha256":"9f74f9e37d7427aeca122d71b661479000e0d67d7647b98f0fe4b71fa530be71"},"schema_version":"1.0","source":{"id":"1603.00028","kind":"arxiv","version":3}},"canonical_sha256":"bb2f2f3c2941f9588b42988c871484f910c6d6e400204ad96385abc692685645","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb2f2f3c2941f9588b42988c871484f910c6d6e400204ad96385abc692685645","first_computed_at":"2026-05-18T00:16:39.198701Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:39.198701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AzEu7iAaWLj4Ek8R5rzI8W5NuO94YYUYXCiqHKoAqbB8ClF/7l38VnWqUGwligb1DvMu76bHOHdaG1UsxPJUDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:39.199188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.00028","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c38ea62b4d81c92a1d72fc893ff1a348f566d1e2bc71fdbb4adfd177d57efc14","sha256:2cc026f134eba5ed17f57511a21dc4a5acec8aa8bd3bb3f58e8861a30c02b639"],"state_sha256":"fae48000b5c4266850a20887d3ca5b3b42aa0722217cf804c429634eb3016c0c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xz9GIGGqtAlZnjTqAAfOf9l3HiBoAwKIJ/WX7/uvqSpf1tpgWoI2GT8P69S0WZn4ZhQcfNeHdjut8HdTVDYLDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T09:19:02.680770Z","bundle_sha256":"aefdb73c14382e4224947b754fa951a9ac7bb57bed6cb2d4cc38b47f6ba91284"}}