{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:35RPDFF3PSIDKJ5ZTCDHD6ZZK6","short_pith_number":"pith:35RPDFF3","canonical_record":{"source":{"id":"1708.06220","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.gen-ph","submitted_at":"2017-08-03T10:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"2b00103e9bdb6eedb1c97a0346255b15ab8e4c530861524dca684063db34a877","abstract_canon_sha256":"9746181799fd51b9b5f9f16f304282a6022769ff26e3ee58fb28c785ee53f3e7"},"schema_version":"1.0"},"canonical_sha256":"df62f194bb7c903527b9988671fb3957a739291d48d9b86eeb3268de083efb8d","source":{"kind":"arxiv","id":"1708.06220","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06220","created_at":"2026-05-18T00:37:42Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06220v1","created_at":"2026-05-18T00:37:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06220","created_at":"2026-05-18T00:37:42Z"},{"alias_kind":"pith_short_12","alias_value":"35RPDFF3PSID","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"35RPDFF3PSIDKJ5Z","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"35RPDFF3","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:35RPDFF3PSIDKJ5ZTCDHD6ZZK6","target":"record","payload":{"canonical_record":{"source":{"id":"1708.06220","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.gen-ph","submitted_at":"2017-08-03T10:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"2b00103e9bdb6eedb1c97a0346255b15ab8e4c530861524dca684063db34a877","abstract_canon_sha256":"9746181799fd51b9b5f9f16f304282a6022769ff26e3ee58fb28c785ee53f3e7"},"schema_version":"1.0"},"canonical_sha256":"df62f194bb7c903527b9988671fb3957a739291d48d9b86eeb3268de083efb8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:42.885218Z","signature_b64":"PNCkLuedb0NJ1CgZXQUhzrlLoIsBT/6Xgw0cGfqL2+9iEuu3wH5jlCEeZWiIMXB5GhPM1tRQ08RzwNEjKaRpBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df62f194bb7c903527b9988671fb3957a739291d48d9b86eeb3268de083efb8d","last_reissued_at":"2026-05-18T00:37:42.884594Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:42.884594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.06220","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":"2026-05-18T00:37:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sv8UhBRweN/h/j1HEDnKebbjeYdOBTDbJRvMhjvDXTuTIkyOUu50JEobklxHTSjyUeiRWDUKvspdmxPMlPnvAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:05:58.570692Z"},"content_sha256":"66624d77f54d3fff03fbfe9b0edac62cf84a98d5349da5b87df04f1ce864f1e0","schema_version":"1.0","event_id":"sha256:66624d77f54d3fff03fbfe9b0edac62cf84a98d5349da5b87df04f1ce864f1e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:35RPDFF3PSIDKJ5ZTCDHD6ZZK6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Models of compact stars on paraboloidal spacetime satisfying Karmarkar condition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"D. M. Pandya, V. O. Thomas","submitted_at":"2017-08-03T10:40:01Z","abstract_excerpt":"A new exact solution of Einstein's field equations on the background of paraboloidal spacetime using Karmarkar condition is reported. The physical acceptability conditions of the model are investigated and found that the model is compatible with a number of compact star candidates like Her X-1, LMC X-4, EXO 1785-248, PSR J1903+327, Vela X-1 and PSR J1614-2230. A noteworthy feature of the model is that it is geometrically significant and simple in form."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06220","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":"2026-05-18T00:37:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KTiMgSsu0SgKJ5/cgSKdJxPlsNuvdNryuY48DGhalx0S+V5VI0PzDBLZKkf+19fCX8kCixjItPjfCQLtg3V4Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:05:58.571369Z"},"content_sha256":"956dd9b6edf048b7a13067fc8dea2e9196766aa4a34964c52970c1b009b309da","schema_version":"1.0","event_id":"sha256:956dd9b6edf048b7a13067fc8dea2e9196766aa4a34964c52970c1b009b309da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/35RPDFF3PSIDKJ5ZTCDHD6ZZK6/bundle.json","state_url":"https://pith.science/pith/35RPDFF3PSIDKJ5ZTCDHD6ZZK6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/35RPDFF3PSIDKJ5ZTCDHD6ZZK6/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":"2026-06-08T15:05:58Z","links":{"resolver":"https://pith.science/pith/35RPDFF3PSIDKJ5ZTCDHD6ZZK6","bundle":"https://pith.science/pith/35RPDFF3PSIDKJ5ZTCDHD6ZZK6/bundle.json","state":"https://pith.science/pith/35RPDFF3PSIDKJ5ZTCDHD6ZZK6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/35RPDFF3PSIDKJ5ZTCDHD6ZZK6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:35RPDFF3PSIDKJ5ZTCDHD6ZZK6","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":"9746181799fd51b9b5f9f16f304282a6022769ff26e3ee58fb28c785ee53f3e7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.gen-ph","submitted_at":"2017-08-03T10:40:01Z","title_canon_sha256":"2b00103e9bdb6eedb1c97a0346255b15ab8e4c530861524dca684063db34a877"},"schema_version":"1.0","source":{"id":"1708.06220","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06220","created_at":"2026-05-18T00:37:42Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06220v1","created_at":"2026-05-18T00:37:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06220","created_at":"2026-05-18T00:37:42Z"},{"alias_kind":"pith_short_12","alias_value":"35RPDFF3PSID","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"35RPDFF3PSIDKJ5Z","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"35RPDFF3","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:956dd9b6edf048b7a13067fc8dea2e9196766aa4a34964c52970c1b009b309da","target":"graph","created_at":"2026-05-18T00:37:42Z","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":"A new exact solution of Einstein's field equations on the background of paraboloidal spacetime using Karmarkar condition is reported. The physical acceptability conditions of the model are investigated and found that the model is compatible with a number of compact star candidates like Her X-1, LMC X-4, EXO 1785-248, PSR J1903+327, Vela X-1 and PSR J1614-2230. A noteworthy feature of the model is that it is geometrically significant and simple in form.","authors_text":"D. M. Pandya, V. O. Thomas","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.gen-ph","submitted_at":"2017-08-03T10:40:01Z","title":"Models of compact stars on paraboloidal spacetime satisfying Karmarkar condition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06220","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":"sha256:66624d77f54d3fff03fbfe9b0edac62cf84a98d5349da5b87df04f1ce864f1e0","target":"record","created_at":"2026-05-18T00:37:42Z","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":"9746181799fd51b9b5f9f16f304282a6022769ff26e3ee58fb28c785ee53f3e7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.gen-ph","submitted_at":"2017-08-03T10:40:01Z","title_canon_sha256":"2b00103e9bdb6eedb1c97a0346255b15ab8e4c530861524dca684063db34a877"},"schema_version":"1.0","source":{"id":"1708.06220","kind":"arxiv","version":1}},"canonical_sha256":"df62f194bb7c903527b9988671fb3957a739291d48d9b86eeb3268de083efb8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df62f194bb7c903527b9988671fb3957a739291d48d9b86eeb3268de083efb8d","first_computed_at":"2026-05-18T00:37:42.884594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:42.884594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PNCkLuedb0NJ1CgZXQUhzrlLoIsBT/6Xgw0cGfqL2+9iEuu3wH5jlCEeZWiIMXB5GhPM1tRQ08RzwNEjKaRpBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:42.885218Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.06220","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66624d77f54d3fff03fbfe9b0edac62cf84a98d5349da5b87df04f1ce864f1e0","sha256:956dd9b6edf048b7a13067fc8dea2e9196766aa4a34964c52970c1b009b309da"],"state_sha256":"939bba207f5d4d03b50e4359219fa0da6ae3b3afc057d4f4ddd3413e8f7e9907"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s6QMcqwD33NyyxbqqqjCrw6fpJ0JW3evgZm7v55YVNylzqYwR7/SgZeZCdSmq6enSwaCzYp9oQq3MKVIrk06Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:05:58.575492Z","bundle_sha256":"42043543bb02e0d05f8b67ba6e57e0d12bb3f6f8c7bd3619c7cc8b2924e3e615"}}