{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:EXNWGOTYUWK6DFACCFBKK4IX6J","short_pith_number":"pith:EXNWGOTY","canonical_record":{"source":{"id":"1603.09282","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-03-30T17:19:16Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"da60677e6cea2666bf8b22254c021a8df42279e4e2e9da1fa8b2935b03567b22","abstract_canon_sha256":"426287b33ae198b21cc0a3067fb25b21b9954e5310398d8a80dc7cbd469d224d"},"schema_version":"1.0"},"canonical_sha256":"25db633a78a595e194021142a57117f2780c34d0ce724042c47a57c4efa12384","source":{"kind":"arxiv","id":"1603.09282","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.09282","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1603.09282v2","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.09282","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"EXNWGOTYUWK6","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"EXNWGOTYUWK6DFAC","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"EXNWGOTY","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:EXNWGOTYUWK6DFACCFBKK4IX6J","target":"record","payload":{"canonical_record":{"source":{"id":"1603.09282","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-03-30T17:19:16Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"da60677e6cea2666bf8b22254c021a8df42279e4e2e9da1fa8b2935b03567b22","abstract_canon_sha256":"426287b33ae198b21cc0a3067fb25b21b9954e5310398d8a80dc7cbd469d224d"},"schema_version":"1.0"},"canonical_sha256":"25db633a78a595e194021142a57117f2780c34d0ce724042c47a57c4efa12384","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:59.546399Z","signature_b64":"ToG4MU7GKqobBYbN+ovjMkvbTB8dETWfsn4AvKbgL+XUHiR8nouj4SdW5SOn2lu7MVOAIBvVPP1+wjG+8+p6Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25db633a78a595e194021142a57117f2780c34d0ce724042c47a57c4efa12384","last_reissued_at":"2026-05-18T01:12:59.545950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:59.545950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.09282","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":"2026-05-18T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0m3ZvBgkEbXspZ/eVWbGeafaesMKCbRbNUVFE8tRWDTFDjXFnd5GeEQeT5Tt78vV1KUfhFAGscZFTMHZs5fKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T19:24:56.893719Z"},"content_sha256":"c6d15357ede4091e668ccaf251bd675e4a2f3438e2e47ed5774d7c53d09c6af0","schema_version":"1.0","event_id":"sha256:c6d15357ede4091e668ccaf251bd675e4a2f3438e2e47ed5774d7c53d09c6af0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:EXNWGOTYUWK6DFACCFBKK4IX6J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"White dwarfs in an ungravity-inspired model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.SR","authors_text":"Hodjat Mariji, Orfeu Bertolami","submitted_at":"2016-03-30T17:19:16Z","abstract_excerpt":"An ungravity-inspired model is employed to examine the astrophysical parameters of white dwarf stars (WDs) using polytropic and degenerate gas approaches. Based on the observed properties such as mass, radius, and luminosity of selected WDs, namely, Sirius B and $\\epsilon$ Reticulum, bounds on the characteristic length and scaling dimension of the ungravity (UG) model are estimated. The UG effect on the Chandrasekhar limit for WDs is shown. The UG model is examined in the study of ultra-massive WDs, e.g., EUVE J1746-706. In the contact of UG inspired model, a new location for some WDs on the H"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.09282","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":"2026-05-18T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H6pvrNVGHur6CmtV5ew7FAYO63pjyyMRXON72O7xpF7hYHz787Pbjcu41On9PlUj8PIp2XnaZ039/kdrlQLRBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T19:24:56.894389Z"},"content_sha256":"4551e4250074ab062d257893faef6753e84e0812ff9bc2fe71aebe612f1ffde4","schema_version":"1.0","event_id":"sha256:4551e4250074ab062d257893faef6753e84e0812ff9bc2fe71aebe612f1ffde4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EXNWGOTYUWK6DFACCFBKK4IX6J/bundle.json","state_url":"https://pith.science/pith/EXNWGOTYUWK6DFACCFBKK4IX6J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EXNWGOTYUWK6DFACCFBKK4IX6J/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":"2026-05-20T19:24:56Z","links":{"resolver":"https://pith.science/pith/EXNWGOTYUWK6DFACCFBKK4IX6J","bundle":"https://pith.science/pith/EXNWGOTYUWK6DFACCFBKK4IX6J/bundle.json","state":"https://pith.science/pith/EXNWGOTYUWK6DFACCFBKK4IX6J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EXNWGOTYUWK6DFACCFBKK4IX6J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EXNWGOTYUWK6DFACCFBKK4IX6J","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":"426287b33ae198b21cc0a3067fb25b21b9954e5310398d8a80dc7cbd469d224d","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-03-30T17:19:16Z","title_canon_sha256":"da60677e6cea2666bf8b22254c021a8df42279e4e2e9da1fa8b2935b03567b22"},"schema_version":"1.0","source":{"id":"1603.09282","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.09282","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1603.09282v2","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.09282","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"EXNWGOTYUWK6","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"EXNWGOTYUWK6DFAC","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"EXNWGOTY","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:4551e4250074ab062d257893faef6753e84e0812ff9bc2fe71aebe612f1ffde4","target":"graph","created_at":"2026-05-18T01:12:59Z","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":"An ungravity-inspired model is employed to examine the astrophysical parameters of white dwarf stars (WDs) using polytropic and degenerate gas approaches. Based on the observed properties such as mass, radius, and luminosity of selected WDs, namely, Sirius B and $\\epsilon$ Reticulum, bounds on the characteristic length and scaling dimension of the ungravity (UG) model are estimated. The UG effect on the Chandrasekhar limit for WDs is shown. The UG model is examined in the study of ultra-massive WDs, e.g., EUVE J1746-706. In the contact of UG inspired model, a new location for some WDs on the H","authors_text":"Hodjat Mariji, Orfeu Bertolami","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-03-30T17:19:16Z","title":"White dwarfs in an ungravity-inspired model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.09282","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:c6d15357ede4091e668ccaf251bd675e4a2f3438e2e47ed5774d7c53d09c6af0","target":"record","created_at":"2026-05-18T01:12:59Z","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":"426287b33ae198b21cc0a3067fb25b21b9954e5310398d8a80dc7cbd469d224d","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-03-30T17:19:16Z","title_canon_sha256":"da60677e6cea2666bf8b22254c021a8df42279e4e2e9da1fa8b2935b03567b22"},"schema_version":"1.0","source":{"id":"1603.09282","kind":"arxiv","version":2}},"canonical_sha256":"25db633a78a595e194021142a57117f2780c34d0ce724042c47a57c4efa12384","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25db633a78a595e194021142a57117f2780c34d0ce724042c47a57c4efa12384","first_computed_at":"2026-05-18T01:12:59.545950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:59.545950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ToG4MU7GKqobBYbN+ovjMkvbTB8dETWfsn4AvKbgL+XUHiR8nouj4SdW5SOn2lu7MVOAIBvVPP1+wjG+8+p6Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:59.546399Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.09282","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6d15357ede4091e668ccaf251bd675e4a2f3438e2e47ed5774d7c53d09c6af0","sha256:4551e4250074ab062d257893faef6753e84e0812ff9bc2fe71aebe612f1ffde4"],"state_sha256":"06b379bbe8762af8979be225030ac48a0192d4660649d4151fab1020d3e73c5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fd9P0vpAzJIhWZwB67upA2gUcy3ytT0G53eZ1NL0Zrq8yz10ve1CdqfS8437ec4tTnPnDHwmvP6R/bz8OvLKAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T19:24:56.897923Z","bundle_sha256":"7dd40287a623201ea46b188a67b83f32f237a4c21dfd39ff5c7b495d41291ed9"}}