{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5JGZJBL5AGOHFS2MU4UVSFE652","short_pith_number":"pith:5JGZJBL5","canonical_record":{"source":{"id":"1509.08756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2015-08-21T07:49:29Z","cross_cats_sorted":[],"title_canon_sha256":"458ab3943c2725eab33f9cba2e4b58cb6308dbdbe3f5a97d334f3de0c027bda9","abstract_canon_sha256":"216d5b2d456af24524d37ec619f6000a6c7a9569a04756fdf0f87c7c477e43cd"},"schema_version":"1.0"},"canonical_sha256":"ea4d94857d019c72cb4ca72959149eeeb9d7c5ce88bc6ce2f0585549f039b4f5","source":{"kind":"arxiv","id":"1509.08756","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08756","created_at":"2026-05-18T01:31:47Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08756v1","created_at":"2026-05-18T01:31:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08756","created_at":"2026-05-18T01:31:47Z"},{"alias_kind":"pith_short_12","alias_value":"5JGZJBL5AGOH","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5JGZJBL5AGOHFS2M","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5JGZJBL5","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5JGZJBL5AGOHFS2MU4UVSFE652","target":"record","payload":{"canonical_record":{"source":{"id":"1509.08756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2015-08-21T07:49:29Z","cross_cats_sorted":[],"title_canon_sha256":"458ab3943c2725eab33f9cba2e4b58cb6308dbdbe3f5a97d334f3de0c027bda9","abstract_canon_sha256":"216d5b2d456af24524d37ec619f6000a6c7a9569a04756fdf0f87c7c477e43cd"},"schema_version":"1.0"},"canonical_sha256":"ea4d94857d019c72cb4ca72959149eeeb9d7c5ce88bc6ce2f0585549f039b4f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:47.202254Z","signature_b64":"tHwkPd4gzGpy3ZM2xLwBlcdkWp0etkV5MiDgb9w44H4fxVC97CdMj3rRCOucacQRdE5DoRQ1P0rzkk3MvN8rBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea4d94857d019c72cb4ca72959149eeeb9d7c5ce88bc6ce2f0585549f039b4f5","last_reissued_at":"2026-05-18T01:31:47.201812Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:47.201812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.08756","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":"2026-05-18T01:31:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QJiHOgDWjDU6uVXOATOLlzQUY0V7ujx9/C98t+yNf/+kB9BaYP4XjDsYU5JFClnRHyDygpZYK2W2g9F+5iF4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T07:33:06.872352Z"},"content_sha256":"688132c65c6ebdb83b394dac4f9799284504318d7815db497336867907f3c0a8","schema_version":"1.0","event_id":"sha256:688132c65c6ebdb83b394dac4f9799284504318d7815db497336867907f3c0a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5JGZJBL5AGOHFS2MU4UVSFE652","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anisotropic Strange Quintessence Stars in $f(R)$ Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"G. Abbas, G. Mustafa, M. Zubair","submitted_at":"2015-08-21T07:49:29Z","abstract_excerpt":"In this paper, we have formulated the new exact model of quintessence anisotropic star in $f(R)$ theory of gravity. The dynamical equations in $f(R)$ theory with the anisotropic fluid and quintessence field have been solved by using Krori-Barua solution. In this case, we have used the Starobinsky model of $f(R)$ gravity. We have determined that all the obtained solutions are free from central singularity and potentially stable. The observed values of mass and radius of the different strange stars PSR J 1614-2230, SAXJ1808.4-3658(SS1), 4U1820- 30, PSR J 1614-2230 have been used to calculate the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08756","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":"2026-05-18T01:31:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wwCVBxw36elnvPWUYKQQcNyQTN1ilYBnGGxZysuKCi9cxZLoC2IChMxRIjYVd//ojqxGb0D3Q4h+x3KwqMDEAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T07:33:06.872697Z"},"content_sha256":"75b5dafb6284c4e7d54ec91c95e2d3e427a67496f5f53ee0c3b4f74d2ad1a5cf","schema_version":"1.0","event_id":"sha256:75b5dafb6284c4e7d54ec91c95e2d3e427a67496f5f53ee0c3b4f74d2ad1a5cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5JGZJBL5AGOHFS2MU4UVSFE652/bundle.json","state_url":"https://pith.science/pith/5JGZJBL5AGOHFS2MU4UVSFE652/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5JGZJBL5AGOHFS2MU4UVSFE652/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":"2026-05-19T07:33:06Z","links":{"resolver":"https://pith.science/pith/5JGZJBL5AGOHFS2MU4UVSFE652","bundle":"https://pith.science/pith/5JGZJBL5AGOHFS2MU4UVSFE652/bundle.json","state":"https://pith.science/pith/5JGZJBL5AGOHFS2MU4UVSFE652/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5JGZJBL5AGOHFS2MU4UVSFE652/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5JGZJBL5AGOHFS2MU4UVSFE652","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":"216d5b2d456af24524d37ec619f6000a6c7a9569a04756fdf0f87c7c477e43cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2015-08-21T07:49:29Z","title_canon_sha256":"458ab3943c2725eab33f9cba2e4b58cb6308dbdbe3f5a97d334f3de0c027bda9"},"schema_version":"1.0","source":{"id":"1509.08756","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08756","created_at":"2026-05-18T01:31:47Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08756v1","created_at":"2026-05-18T01:31:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08756","created_at":"2026-05-18T01:31:47Z"},{"alias_kind":"pith_short_12","alias_value":"5JGZJBL5AGOH","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5JGZJBL5AGOHFS2M","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5JGZJBL5","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:75b5dafb6284c4e7d54ec91c95e2d3e427a67496f5f53ee0c3b4f74d2ad1a5cf","target":"graph","created_at":"2026-05-18T01:31:47Z","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 this paper, we have formulated the new exact model of quintessence anisotropic star in $f(R)$ theory of gravity. The dynamical equations in $f(R)$ theory with the anisotropic fluid and quintessence field have been solved by using Krori-Barua solution. In this case, we have used the Starobinsky model of $f(R)$ gravity. We have determined that all the obtained solutions are free from central singularity and potentially stable. The observed values of mass and radius of the different strange stars PSR J 1614-2230, SAXJ1808.4-3658(SS1), 4U1820- 30, PSR J 1614-2230 have been used to calculate the","authors_text":"G. Abbas, G. Mustafa, M. Zubair","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2015-08-21T07:49:29Z","title":"Anisotropic Strange Quintessence Stars in $f(R)$ Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08756","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":"sha256:688132c65c6ebdb83b394dac4f9799284504318d7815db497336867907f3c0a8","target":"record","created_at":"2026-05-18T01:31:47Z","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":"216d5b2d456af24524d37ec619f6000a6c7a9569a04756fdf0f87c7c477e43cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2015-08-21T07:49:29Z","title_canon_sha256":"458ab3943c2725eab33f9cba2e4b58cb6308dbdbe3f5a97d334f3de0c027bda9"},"schema_version":"1.0","source":{"id":"1509.08756","kind":"arxiv","version":1}},"canonical_sha256":"ea4d94857d019c72cb4ca72959149eeeb9d7c5ce88bc6ce2f0585549f039b4f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea4d94857d019c72cb4ca72959149eeeb9d7c5ce88bc6ce2f0585549f039b4f5","first_computed_at":"2026-05-18T01:31:47.201812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:47.201812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tHwkPd4gzGpy3ZM2xLwBlcdkWp0etkV5MiDgb9w44H4fxVC97CdMj3rRCOucacQRdE5DoRQ1P0rzkk3MvN8rBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:47.202254Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.08756","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:688132c65c6ebdb83b394dac4f9799284504318d7815db497336867907f3c0a8","sha256:75b5dafb6284c4e7d54ec91c95e2d3e427a67496f5f53ee0c3b4f74d2ad1a5cf"],"state_sha256":"f7ea4ecaab7b0caf4b0bca4053030f2b1bf0cce79a1f41740bf0422b7a4171ac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7l9Q3Y6ZG18tBFpe6jHVGXxPzjy2YJ6jcCGgBYjy6OQrHbfp7eM3BLRjiWDmd7gkYHZ7md1CgFrHiXytP76jCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T07:33:06.874488Z","bundle_sha256":"74abab4bd7a7a5653362a0bfc1734eeaa176cbe853c44d3908f93ebdab39ad88"}}