{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7PANDBMGMF2OO5PN2AJX4OS3PB","short_pith_number":"pith:7PANDBMG","canonical_record":{"source":{"id":"1906.00063","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-30T07:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"b786c5f4e9e12068ade2e74abbf1d50ebda34bf3c3cd370132f59a25d43dfc1f","abstract_canon_sha256":"0b6bb2cf7c3fcad001d0c555a6b2564e3fcb49f176710c85dfef06a6b2d19050"},"schema_version":"1.0"},"canonical_sha256":"fbc0d185866174e775edd0137e3a5b78426f8d37d45579f5b4dcaa805b0dbc70","source":{"kind":"arxiv","id":"1906.00063","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.00063","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"arxiv_version","alias_value":"1906.00063v1","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.00063","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"pith_short_12","alias_value":"7PANDBMGMF2O","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7PANDBMGMF2OO5PN","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7PANDBMG","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7PANDBMGMF2OO5PN2AJX4OS3PB","target":"record","payload":{"canonical_record":{"source":{"id":"1906.00063","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-30T07:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"b786c5f4e9e12068ade2e74abbf1d50ebda34bf3c3cd370132f59a25d43dfc1f","abstract_canon_sha256":"0b6bb2cf7c3fcad001d0c555a6b2564e3fcb49f176710c85dfef06a6b2d19050"},"schema_version":"1.0"},"canonical_sha256":"fbc0d185866174e775edd0137e3a5b78426f8d37d45579f5b4dcaa805b0dbc70","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:33.560191Z","signature_b64":"klual/d30upZpi7lKTo9wYQCVIC72Vkut1982XslAE6Te/NCkfzE9ekvdFi73KxOTesLdd2eNjzrUxvLMm/IBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbc0d185866174e775edd0137e3a5b78426f8d37d45579f5b4dcaa805b0dbc70","last_reissued_at":"2026-05-17T23:44:33.559587Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:33.559587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.00063","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":"2026-05-17T23:44:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2sggOKXFqFFj/Jp4jEOmg09ezZFgJ7MU44yOiKddVH5iPstTNbRPDYAmLRFl6exgDoAZzueE7uREttU9bMQtAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T01:59:14.660939Z"},"content_sha256":"573e9dea08e43d715aa05233124c7ba40f06e19722d22bffc67959ffa447b212","schema_version":"1.0","event_id":"sha256:573e9dea08e43d715aa05233124c7ba40f06e19722d22bffc67959ffa447b212"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7PANDBMGMF2OO5PN2AJX4OS3PB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining values of bag constant for strange star candidates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Abdul Aziz, B.K. Guha, Farook Rahaman, M. Khlopov, Saibal Ray","submitted_at":"2019-05-30T07:02:03Z","abstract_excerpt":"We provide a strange star model under the framework of general relativity by using a general linear equation of state (EOS). The solution set thus obtained is employed on altogether 20 compact star candidates to constraint values of MIT bag model. No specific value of the bag constant ($B$) a-priori is assumed rather possible range of values for bag constant is determined from observational data of the said set of compact stars. To do so the Tolman-Oppenheimer-Volkoff (TOV) equation is solved by homotopy perturbation method (HPM) and hence we get a mass function for the stellar system. The sol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.00063","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":"2026-05-17T23:44:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FJ2FZAFNJ3yRx6tAu4uSIpe9ctqChtyL8h5QCinp58i/IIPocSOfiL1fjH0dvTsrPvLw+V/zLcW10K39Y9FJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T01:59:14.661274Z"},"content_sha256":"47fc9256d682685f9b4d02fda7dc08a7d04f7a2ea7a4644e8542167db8b81a80","schema_version":"1.0","event_id":"sha256:47fc9256d682685f9b4d02fda7dc08a7d04f7a2ea7a4644e8542167db8b81a80"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7PANDBMGMF2OO5PN2AJX4OS3PB/bundle.json","state_url":"https://pith.science/pith/7PANDBMGMF2OO5PN2AJX4OS3PB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7PANDBMGMF2OO5PN2AJX4OS3PB/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":"2026-06-27T01:59:14Z","links":{"resolver":"https://pith.science/pith/7PANDBMGMF2OO5PN2AJX4OS3PB","bundle":"https://pith.science/pith/7PANDBMGMF2OO5PN2AJX4OS3PB/bundle.json","state":"https://pith.science/pith/7PANDBMGMF2OO5PN2AJX4OS3PB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7PANDBMGMF2OO5PN2AJX4OS3PB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7PANDBMGMF2OO5PN2AJX4OS3PB","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":"0b6bb2cf7c3fcad001d0c555a6b2564e3fcb49f176710c85dfef06a6b2d19050","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-30T07:02:03Z","title_canon_sha256":"b786c5f4e9e12068ade2e74abbf1d50ebda34bf3c3cd370132f59a25d43dfc1f"},"schema_version":"1.0","source":{"id":"1906.00063","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.00063","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"arxiv_version","alias_value":"1906.00063v1","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.00063","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"pith_short_12","alias_value":"7PANDBMGMF2O","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7PANDBMGMF2OO5PN","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7PANDBMG","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:47fc9256d682685f9b4d02fda7dc08a7d04f7a2ea7a4644e8542167db8b81a80","target":"graph","created_at":"2026-05-17T23:44:33Z","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":"We provide a strange star model under the framework of general relativity by using a general linear equation of state (EOS). The solution set thus obtained is employed on altogether 20 compact star candidates to constraint values of MIT bag model. No specific value of the bag constant ($B$) a-priori is assumed rather possible range of values for bag constant is determined from observational data of the said set of compact stars. To do so the Tolman-Oppenheimer-Volkoff (TOV) equation is solved by homotopy perturbation method (HPM) and hence we get a mass function for the stellar system. The sol","authors_text":"Abdul Aziz, B.K. Guha, Farook Rahaman, M. Khlopov, Saibal Ray","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-30T07:02:03Z","title":"Constraining values of bag constant for strange star candidates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.00063","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":"sha256:573e9dea08e43d715aa05233124c7ba40f06e19722d22bffc67959ffa447b212","target":"record","created_at":"2026-05-17T23:44:33Z","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":"0b6bb2cf7c3fcad001d0c555a6b2564e3fcb49f176710c85dfef06a6b2d19050","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-30T07:02:03Z","title_canon_sha256":"b786c5f4e9e12068ade2e74abbf1d50ebda34bf3c3cd370132f59a25d43dfc1f"},"schema_version":"1.0","source":{"id":"1906.00063","kind":"arxiv","version":1}},"canonical_sha256":"fbc0d185866174e775edd0137e3a5b78426f8d37d45579f5b4dcaa805b0dbc70","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fbc0d185866174e775edd0137e3a5b78426f8d37d45579f5b4dcaa805b0dbc70","first_computed_at":"2026-05-17T23:44:33.559587Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:33.559587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"klual/d30upZpi7lKTo9wYQCVIC72Vkut1982XslAE6Te/NCkfzE9ekvdFi73KxOTesLdd2eNjzrUxvLMm/IBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:33.560191Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.00063","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:573e9dea08e43d715aa05233124c7ba40f06e19722d22bffc67959ffa447b212","sha256:47fc9256d682685f9b4d02fda7dc08a7d04f7a2ea7a4644e8542167db8b81a80"],"state_sha256":"540e55ea6ef43f9dcc4f572b8f7b6ed433804c7280d00c873d157f42b2a65a40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O4LCcmPyLk4Qk+IDvyk4mdm4pYAsI51WDBukGKyFIdKavz6W3DNsNfZtVxTxPjR5Fw1IRfcA3XAJUP7el3V1Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T01:59:14.663112Z","bundle_sha256":"ef3c21f6a734b477d29d8d211a20833ce67e79f860df0b37eaeca726ebe96499"}}