{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:56CYODE6R7NPJVDDI6OD3EQPMY","short_pith_number":"pith:56CYODE6","canonical_record":{"source":{"id":"1607.06325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-21T13:52:06Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"739bf72f8ace455bf79e8c34e110444030fce9939873b9aeab3c1cf3f47df088","abstract_canon_sha256":"a9d7d402083046d7de7074b223f4d8d53266c1d2d02a95b0bcf1b27e2131bbe5"},"schema_version":"1.0"},"canonical_sha256":"ef85870c9e8fdaf4d463479c3d920f66338ec27fae7463e604c78579c7c1b8a7","source":{"kind":"arxiv","id":"1607.06325","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06325","created_at":"2026-05-18T00:40:19Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06325v1","created_at":"2026-05-18T00:40:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06325","created_at":"2026-05-18T00:40:19Z"},{"alias_kind":"pith_short_12","alias_value":"56CYODE6R7NP","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"56CYODE6R7NPJVDD","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"56CYODE6","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:56CYODE6R7NPJVDDI6OD3EQPMY","target":"record","payload":{"canonical_record":{"source":{"id":"1607.06325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-21T13:52:06Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"739bf72f8ace455bf79e8c34e110444030fce9939873b9aeab3c1cf3f47df088","abstract_canon_sha256":"a9d7d402083046d7de7074b223f4d8d53266c1d2d02a95b0bcf1b27e2131bbe5"},"schema_version":"1.0"},"canonical_sha256":"ef85870c9e8fdaf4d463479c3d920f66338ec27fae7463e604c78579c7c1b8a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:19.621987Z","signature_b64":"XnLbGEsPfYBLuXjuwSaLIQJtJPb9+j9Elth3r+z8+7YHTX+S9s5WUnj220wGRlzfgclc31CRdhnolXUZOsiTCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef85870c9e8fdaf4d463479c3d920f66338ec27fae7463e604c78579c7c1b8a7","last_reissued_at":"2026-05-18T00:40:19.621370Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:19.621370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.06325","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":"2026-05-18T00:40:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"djDlkcQtxN7x+T3t4eOKpJdYyMkrX2XQGwcfxubBAK4x4KEqSaVpiBySE+KD9XVqhI0cJfIINGJpWb8B3ce3Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T00:23:45.048307Z"},"content_sha256":"07c1c475200227142b57787a20530b78dd3266429f8b647e644bc1ec1089b453","schema_version":"1.0","event_id":"sha256:07c1c475200227142b57787a20530b78dd3266429f8b647e644bc1ec1089b453"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:56CYODE6R7NPJVDDI6OD3EQPMY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing theories of Gravity and Supergravity with inflation and observations of the cosmic microwave background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Gaetano Lambiase, Girish Kumar Chakravarty, Subhendra Mohanty","submitted_at":"2016-07-21T13:52:06Z","abstract_excerpt":"Many extensions of Einstein's theory of gravity have been studied and proposed with various motivations like the quest for a quantum theory of gravity to extensions of anomalies in observations at the solar system, galactic and cosmological scales. These extensions include adding higher powers of Ricci curvature $R$, coupling the Ricci curvature with scalar fields and generalized functions of $R$. In addition when viewed from the perspective of Supergravity (SUGRA) many of these theories may originate from the same SUGRA theory interpreted in different frames. SUGRA therefore serves as a good "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06325","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":"2026-05-18T00:40:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m1rZ2quirzRggQBxvZbx5RYzr2s4F/JMlqL1Zrir/fFPanMucurop9X3Bs2O+l3Ff2K8rdItiRJtCN89MdKCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T00:23:45.048679Z"},"content_sha256":"2b21858ef2e1675b23ba2a9bf3c4932cb9ea810c754ac4ca404b8fc53b4370ce","schema_version":"1.0","event_id":"sha256:2b21858ef2e1675b23ba2a9bf3c4932cb9ea810c754ac4ca404b8fc53b4370ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/56CYODE6R7NPJVDDI6OD3EQPMY/bundle.json","state_url":"https://pith.science/pith/56CYODE6R7NPJVDDI6OD3EQPMY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/56CYODE6R7NPJVDDI6OD3EQPMY/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":"2026-06-12T00:23:45Z","links":{"resolver":"https://pith.science/pith/56CYODE6R7NPJVDDI6OD3EQPMY","bundle":"https://pith.science/pith/56CYODE6R7NPJVDDI6OD3EQPMY/bundle.json","state":"https://pith.science/pith/56CYODE6R7NPJVDDI6OD3EQPMY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/56CYODE6R7NPJVDDI6OD3EQPMY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:56CYODE6R7NPJVDDI6OD3EQPMY","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":"a9d7d402083046d7de7074b223f4d8d53266c1d2d02a95b0bcf1b27e2131bbe5","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-21T13:52:06Z","title_canon_sha256":"739bf72f8ace455bf79e8c34e110444030fce9939873b9aeab3c1cf3f47df088"},"schema_version":"1.0","source":{"id":"1607.06325","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06325","created_at":"2026-05-18T00:40:19Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06325v1","created_at":"2026-05-18T00:40:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06325","created_at":"2026-05-18T00:40:19Z"},{"alias_kind":"pith_short_12","alias_value":"56CYODE6R7NP","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"56CYODE6R7NPJVDD","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"56CYODE6","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:2b21858ef2e1675b23ba2a9bf3c4932cb9ea810c754ac4ca404b8fc53b4370ce","target":"graph","created_at":"2026-05-18T00:40:19Z","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":"Many extensions of Einstein's theory of gravity have been studied and proposed with various motivations like the quest for a quantum theory of gravity to extensions of anomalies in observations at the solar system, galactic and cosmological scales. These extensions include adding higher powers of Ricci curvature $R$, coupling the Ricci curvature with scalar fields and generalized functions of $R$. In addition when viewed from the perspective of Supergravity (SUGRA) many of these theories may originate from the same SUGRA theory interpreted in different frames. SUGRA therefore serves as a good ","authors_text":"Gaetano Lambiase, Girish Kumar Chakravarty, Subhendra Mohanty","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-21T13:52:06Z","title":"Testing theories of Gravity and Supergravity with inflation and observations of the cosmic microwave background"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06325","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":"sha256:07c1c475200227142b57787a20530b78dd3266429f8b647e644bc1ec1089b453","target":"record","created_at":"2026-05-18T00:40:19Z","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":"a9d7d402083046d7de7074b223f4d8d53266c1d2d02a95b0bcf1b27e2131bbe5","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-07-21T13:52:06Z","title_canon_sha256":"739bf72f8ace455bf79e8c34e110444030fce9939873b9aeab3c1cf3f47df088"},"schema_version":"1.0","source":{"id":"1607.06325","kind":"arxiv","version":1}},"canonical_sha256":"ef85870c9e8fdaf4d463479c3d920f66338ec27fae7463e604c78579c7c1b8a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef85870c9e8fdaf4d463479c3d920f66338ec27fae7463e604c78579c7c1b8a7","first_computed_at":"2026-05-18T00:40:19.621370Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:19.621370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XnLbGEsPfYBLuXjuwSaLIQJtJPb9+j9Elth3r+z8+7YHTX+S9s5WUnj220wGRlzfgclc31CRdhnolXUZOsiTCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:19.621987Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.06325","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07c1c475200227142b57787a20530b78dd3266429f8b647e644bc1ec1089b453","sha256:2b21858ef2e1675b23ba2a9bf3c4932cb9ea810c754ac4ca404b8fc53b4370ce"],"state_sha256":"bf563a8fb4070f9b1cdbe93fb20770268099814bccd98b8f97cbbd3dcad729c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLccY9jj3AAeFIIsGdTaD7VkhPUf21S2F3Rr4ZkxRSUbyThg8QUss/7dQS1yOkqx026Ie83x2W1zWtWsfYBKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T00:23:45.050562Z","bundle_sha256":"1908f50e19955a2059d350bbcb5a8481b1454a616ae0efa07f0c9da0ecc3afbb"}}