{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EVIKYH6FWRG67C4M3ODETK3QPC","short_pith_number":"pith:EVIKYH6F","canonical_record":{"source":{"id":"1401.4418","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-17T18:00:51Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"0ecb528561db21ebda60f67627709a4c1154fcd0333fb98bdc3218116738c24c","abstract_canon_sha256":"92fa98c345b23388d65e54528dc7e954fd3ef76be486cfb9aae330cd08f54d5c"},"schema_version":"1.0"},"canonical_sha256":"2550ac1fc5b44def8b8cdb8649ab70789748ecedf9bbb1d706abdc5c93349500","source":{"kind":"arxiv","id":"1401.4418","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4418","created_at":"2026-05-18T02:41:01Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4418v3","created_at":"2026-05-18T02:41:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4418","created_at":"2026-05-18T02:41:01Z"},{"alias_kind":"pith_short_12","alias_value":"EVIKYH6FWRG6","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EVIKYH6FWRG67C4M","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EVIKYH6F","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EVIKYH6FWRG67C4M3ODETK3QPC","target":"record","payload":{"canonical_record":{"source":{"id":"1401.4418","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-17T18:00:51Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"0ecb528561db21ebda60f67627709a4c1154fcd0333fb98bdc3218116738c24c","abstract_canon_sha256":"92fa98c345b23388d65e54528dc7e954fd3ef76be486cfb9aae330cd08f54d5c"},"schema_version":"1.0"},"canonical_sha256":"2550ac1fc5b44def8b8cdb8649ab70789748ecedf9bbb1d706abdc5c93349500","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:01.101202Z","signature_b64":"PEJbU3eo/FayY/wt6xsHNY1a542VoPgsiAgxbc4y+CnyO5/XwwhjolnqFGZYGgbha/Pvux05byW3y4iWjgNKCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2550ac1fc5b44def8b8cdb8649ab70789748ecedf9bbb1d706abdc5c93349500","last_reissued_at":"2026-05-18T02:41:01.100749Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:01.100749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.4418","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":"2026-05-18T02:41:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3x/Oji6TIoLFi2JM2MwhrZYLzo9Z5mAEHtrj6cmUht9Frp0VFmaDICGmu+E8J5eM4E5RVFIPBTnnVB6HyzSBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:18:48.350795Z"},"content_sha256":"7e3bab1598d8602da6219a98cfb2c39ea36d0dad8bc24e2efd109f37b15f3658","schema_version":"1.0","event_id":"sha256:7e3bab1598d8602da6219a98cfb2c39ea36d0dad8bc24e2efd109f37b15f3658"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EVIKYH6FWRG67C4M3ODETK3QPC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmology of F(R) nonlinear massive gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Athens & Valparaiso U., Catolica), Emmanuel N. Saridakis (Natl. Tech. U., Yi-Fu Cai (McGill U.)","submitted_at":"2014-01-17T18:00:51Z","abstract_excerpt":"The theory of nonlinear massive gravity can be extended into the F(R) form as developed in Phys.Rev.D90, 064051 (2014). Being free of the Boulware-Deser ghost, such a construction has the additional advantage of exhibiting no linear instabilities around a cosmological background. We investigate various cosmological evolutions of a universe governed by this generalized massive gravitational theory. Specifically, under the Starobinsky ansantz, this model provides a unified description of the cosmological history, from early-time inflation to late-time self-acceleration. Moreover, under viable F("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4418","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":"2026-05-18T02:41:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q20f7rZ8PiPenQyYJJVUhyQDtaiJ4nhbedzNJvOcpwue2emfTfWRbFyBV/6jRN4G7LoEn85HtrL4rNRLVsryDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:18:48.351453Z"},"content_sha256":"cdc54aa4b9b9d51281def497a1564cb50a8ff5ef25f6bcf6e329957c83ddb12a","schema_version":"1.0","event_id":"sha256:cdc54aa4b9b9d51281def497a1564cb50a8ff5ef25f6bcf6e329957c83ddb12a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVIKYH6FWRG67C4M3ODETK3QPC/bundle.json","state_url":"https://pith.science/pith/EVIKYH6FWRG67C4M3ODETK3QPC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVIKYH6FWRG67C4M3ODETK3QPC/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":"2026-05-31T17:18:48Z","links":{"resolver":"https://pith.science/pith/EVIKYH6FWRG67C4M3ODETK3QPC","bundle":"https://pith.science/pith/EVIKYH6FWRG67C4M3ODETK3QPC/bundle.json","state":"https://pith.science/pith/EVIKYH6FWRG67C4M3ODETK3QPC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVIKYH6FWRG67C4M3ODETK3QPC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EVIKYH6FWRG67C4M3ODETK3QPC","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":"92fa98c345b23388d65e54528dc7e954fd3ef76be486cfb9aae330cd08f54d5c","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-17T18:00:51Z","title_canon_sha256":"0ecb528561db21ebda60f67627709a4c1154fcd0333fb98bdc3218116738c24c"},"schema_version":"1.0","source":{"id":"1401.4418","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4418","created_at":"2026-05-18T02:41:01Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4418v3","created_at":"2026-05-18T02:41:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4418","created_at":"2026-05-18T02:41:01Z"},{"alias_kind":"pith_short_12","alias_value":"EVIKYH6FWRG6","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EVIKYH6FWRG67C4M","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EVIKYH6F","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:cdc54aa4b9b9d51281def497a1564cb50a8ff5ef25f6bcf6e329957c83ddb12a","target":"graph","created_at":"2026-05-18T02:41:01Z","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 theory of nonlinear massive gravity can be extended into the F(R) form as developed in Phys.Rev.D90, 064051 (2014). Being free of the Boulware-Deser ghost, such a construction has the additional advantage of exhibiting no linear instabilities around a cosmological background. We investigate various cosmological evolutions of a universe governed by this generalized massive gravitational theory. Specifically, under the Starobinsky ansantz, this model provides a unified description of the cosmological history, from early-time inflation to late-time self-acceleration. Moreover, under viable F(","authors_text":"Athens & Valparaiso U., Catolica), Emmanuel N. Saridakis (Natl. Tech. U., Yi-Fu Cai (McGill U.)","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-17T18:00:51Z","title":"Cosmology of F(R) nonlinear massive gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4418","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":"sha256:7e3bab1598d8602da6219a98cfb2c39ea36d0dad8bc24e2efd109f37b15f3658","target":"record","created_at":"2026-05-18T02:41:01Z","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":"92fa98c345b23388d65e54528dc7e954fd3ef76be486cfb9aae330cd08f54d5c","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-01-17T18:00:51Z","title_canon_sha256":"0ecb528561db21ebda60f67627709a4c1154fcd0333fb98bdc3218116738c24c"},"schema_version":"1.0","source":{"id":"1401.4418","kind":"arxiv","version":3}},"canonical_sha256":"2550ac1fc5b44def8b8cdb8649ab70789748ecedf9bbb1d706abdc5c93349500","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2550ac1fc5b44def8b8cdb8649ab70789748ecedf9bbb1d706abdc5c93349500","first_computed_at":"2026-05-18T02:41:01.100749Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:01.100749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PEJbU3eo/FayY/wt6xsHNY1a542VoPgsiAgxbc4y+CnyO5/XwwhjolnqFGZYGgbha/Pvux05byW3y4iWjgNKCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:01.101202Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.4418","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e3bab1598d8602da6219a98cfb2c39ea36d0dad8bc24e2efd109f37b15f3658","sha256:cdc54aa4b9b9d51281def497a1564cb50a8ff5ef25f6bcf6e329957c83ddb12a"],"state_sha256":"0d42f6becc774ba0c2af9c6738c66b1d1b29a85af6a9d968bcd5ccda4422e0e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+IynDgSwqeboUEa4h3PBqReWWvmpfWPOjWPorzd8Reh7ZXcTbOUNrX/vta0G7EnI2J55awzRgDmiW0jm20pbDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T17:18:48.355239Z","bundle_sha256":"bbaa268e8d48ff5fd32bd7536156cbc0e579e13d463f77a917417057347d9e32"}}