{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:FU6BSS5K5MYPPFDTNFZNKKVJMJ","short_pith_number":"pith:FU6BSS5K","canonical_record":{"source":{"id":"1612.07281","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-21T19:19:57Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"5157ea62e987d1b6038c61e76f37a35dcd95ade86776fff6af5c04f614fb3ba8","abstract_canon_sha256":"d84d289a5fb1136d429055293a277c81b8957dfc4572cd5bd64f017b026ca689"},"schema_version":"1.0"},"canonical_sha256":"2d3c194baaeb30f794736972d52aa9626a461937a8a222426ccdfc39cf79bb04","source":{"kind":"arxiv","id":"1612.07281","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07281","created_at":"2026-05-18T00:43:56Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07281v2","created_at":"2026-05-18T00:43:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07281","created_at":"2026-05-18T00:43:56Z"},{"alias_kind":"pith_short_12","alias_value":"FU6BSS5K5MYP","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FU6BSS5K5MYPPFDT","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FU6BSS5K","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:FU6BSS5K5MYPPFDTNFZNKKVJMJ","target":"record","payload":{"canonical_record":{"source":{"id":"1612.07281","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-21T19:19:57Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"5157ea62e987d1b6038c61e76f37a35dcd95ade86776fff6af5c04f614fb3ba8","abstract_canon_sha256":"d84d289a5fb1136d429055293a277c81b8957dfc4572cd5bd64f017b026ca689"},"schema_version":"1.0"},"canonical_sha256":"2d3c194baaeb30f794736972d52aa9626a461937a8a222426ccdfc39cf79bb04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:56.141925Z","signature_b64":"XtguHoY3MDQImk9bdLpfgfTOj1+yl/SUae5XHuuKVNQcbsm4jmxE6LeReW6lkb177vNmNOHRB+/xlHzXAYQZCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d3c194baaeb30f794736972d52aa9626a461937a8a222426ccdfc39cf79bb04","last_reissued_at":"2026-05-18T00:43:56.141287Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:56.141287Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.07281","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":"2026-05-18T00:43:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EWimHHrR5fAPRQawB92/dgojVGzhksmlRRXbd3zkC1Rvz1GrdU233nQTtqQGLkyZtXGgcX2J+0Uxgnofmin1AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:39:54.138930Z"},"content_sha256":"2124879f812fc15f0bcec2aae65da044180b2e0805dd1c9fd7df8d3a7028c60f","schema_version":"1.0","event_id":"sha256:2124879f812fc15f0bcec2aae65da044180b2e0805dd1c9fd7df8d3a7028c60f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:FU6BSS5K5MYPPFDTNFZNKKVJMJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tensor perturbations during inflation in a spatially closed Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"B\\'eatrice Bonga, Brajesh Gupt, Nelson Yokomizo","submitted_at":"2016-12-21T19:19:57Z","abstract_excerpt":"In a recent paper [17], we studied the evolution of the background geometry and scalar perturbations in an inflationary, spatially closed Friedmann-Lema\\^itre-Robertson-Walker (FLRW) model having constant positive spatial curvature and spatial topology $\\mathbb S^3$. Due to the spatial curvature, the early phase of slow-roll inflation is modified, leading to suppression of power in the scalar power spectrum at large angular scales. In this paper, we extend the analysis to include tensor perturbations. We find that --- similarly to the scalar perturbations --- the tensor power spectrum also sho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07281","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":""},"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":"2026-05-18T00:43:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SomTmw5mEsgVycXR+FPxlZ9f5OmqIN2LWqbB6nh6Fh9DT7HgGIfhE2BoDk5iYS0b6/31WrI8zZu9Ormwh/O2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:39:54.139662Z"},"content_sha256":"f1eb1aa9c736b09a4181ef63356bee30b492e52535b039714c3016ba3367dced","schema_version":"1.0","event_id":"sha256:f1eb1aa9c736b09a4181ef63356bee30b492e52535b039714c3016ba3367dced"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FU6BSS5K5MYPPFDTNFZNKKVJMJ/bundle.json","state_url":"https://pith.science/pith/FU6BSS5K5MYPPFDTNFZNKKVJMJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FU6BSS5K5MYPPFDTNFZNKKVJMJ/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":"2026-05-25T19:39:54Z","links":{"resolver":"https://pith.science/pith/FU6BSS5K5MYPPFDTNFZNKKVJMJ","bundle":"https://pith.science/pith/FU6BSS5K5MYPPFDTNFZNKKVJMJ/bundle.json","state":"https://pith.science/pith/FU6BSS5K5MYPPFDTNFZNKKVJMJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FU6BSS5K5MYPPFDTNFZNKKVJMJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FU6BSS5K5MYPPFDTNFZNKKVJMJ","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":"d84d289a5fb1136d429055293a277c81b8957dfc4572cd5bd64f017b026ca689","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-21T19:19:57Z","title_canon_sha256":"5157ea62e987d1b6038c61e76f37a35dcd95ade86776fff6af5c04f614fb3ba8"},"schema_version":"1.0","source":{"id":"1612.07281","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07281","created_at":"2026-05-18T00:43:56Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07281v2","created_at":"2026-05-18T00:43:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07281","created_at":"2026-05-18T00:43:56Z"},{"alias_kind":"pith_short_12","alias_value":"FU6BSS5K5MYP","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FU6BSS5K5MYPPFDT","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FU6BSS5K","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:f1eb1aa9c736b09a4181ef63356bee30b492e52535b039714c3016ba3367dced","target":"graph","created_at":"2026-05-18T00:43:56Z","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":"In a recent paper [17], we studied the evolution of the background geometry and scalar perturbations in an inflationary, spatially closed Friedmann-Lema\\^itre-Robertson-Walker (FLRW) model having constant positive spatial curvature and spatial topology $\\mathbb S^3$. Due to the spatial curvature, the early phase of slow-roll inflation is modified, leading to suppression of power in the scalar power spectrum at large angular scales. In this paper, we extend the analysis to include tensor perturbations. We find that --- similarly to the scalar perturbations --- the tensor power spectrum also sho","authors_text":"B\\'eatrice Bonga, Brajesh Gupt, Nelson Yokomizo","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-21T19:19:57Z","title":"Tensor perturbations during inflation in a spatially closed Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07281","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":"sha256:2124879f812fc15f0bcec2aae65da044180b2e0805dd1c9fd7df8d3a7028c60f","target":"record","created_at":"2026-05-18T00:43:56Z","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":"d84d289a5fb1136d429055293a277c81b8957dfc4572cd5bd64f017b026ca689","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-21T19:19:57Z","title_canon_sha256":"5157ea62e987d1b6038c61e76f37a35dcd95ade86776fff6af5c04f614fb3ba8"},"schema_version":"1.0","source":{"id":"1612.07281","kind":"arxiv","version":2}},"canonical_sha256":"2d3c194baaeb30f794736972d52aa9626a461937a8a222426ccdfc39cf79bb04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d3c194baaeb30f794736972d52aa9626a461937a8a222426ccdfc39cf79bb04","first_computed_at":"2026-05-18T00:43:56.141287Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:56.141287Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XtguHoY3MDQImk9bdLpfgfTOj1+yl/SUae5XHuuKVNQcbsm4jmxE6LeReW6lkb177vNmNOHRB+/xlHzXAYQZCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:56.141925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.07281","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2124879f812fc15f0bcec2aae65da044180b2e0805dd1c9fd7df8d3a7028c60f","sha256:f1eb1aa9c736b09a4181ef63356bee30b492e52535b039714c3016ba3367dced"],"state_sha256":"836376dbf36594e3939f2fc48d8aff34c8748a2bf490eac4838de71274d49e7f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uefrQTx7fFZlcHVrQEraRJkth/Ehc2G93kwYReBFV1kor6AY/H9kH1ul+QEX4QB1S5LvEbwIdx9eQuUdqlXWAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:39:54.143043Z","bundle_sha256":"7d02854ab16910088c906432ad06eb306099b78bcc3fda017a4c2d73e35af496"}}