{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DWXJBOPWI6YK25YENLIBWFXV3S","short_pith_number":"pith:DWXJBOPW","canonical_record":{"source":{"id":"2212.10413","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-20T16:42:47Z","cross_cats_sorted":[],"title_canon_sha256":"f05337ffaf6029f61db2ce054b4f1d6b08223d4f772521bceb67f81e9c7179d9","abstract_canon_sha256":"fd5c1d0da7a20f731c9a84bcd8df93c68094c541ad07503c9e03db32229f03bb"},"schema_version":"1.0"},"canonical_sha256":"1dae90b9f647b0ad77046ad01b16f5dc9d4ae5873cc1a16ff687f3e77fdf8259","source":{"kind":"arxiv","id":"2212.10413","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10413","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10413v1","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10413","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"pith_short_12","alias_value":"DWXJBOPWI6YK","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"pith_short_16","alias_value":"DWXJBOPWI6YK25YE","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"pith_short_8","alias_value":"DWXJBOPW","created_at":"2026-07-05T05:27:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DWXJBOPWI6YK25YENLIBWFXV3S","target":"record","payload":{"canonical_record":{"source":{"id":"2212.10413","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-20T16:42:47Z","cross_cats_sorted":[],"title_canon_sha256":"f05337ffaf6029f61db2ce054b4f1d6b08223d4f772521bceb67f81e9c7179d9","abstract_canon_sha256":"fd5c1d0da7a20f731c9a84bcd8df93c68094c541ad07503c9e03db32229f03bb"},"schema_version":"1.0"},"canonical_sha256":"1dae90b9f647b0ad77046ad01b16f5dc9d4ae5873cc1a16ff687f3e77fdf8259","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:27:07.327674Z","signature_b64":"cqyMLH9CGOSs05+nhyBCR50mGZBcxMwVVzkkRi6I5qUmOWOXIKLlpMt/iYgfSaOUHwJ8hiGKnqdEJMVN4nRmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1dae90b9f647b0ad77046ad01b16f5dc9d4ae5873cc1a16ff687f3e77fdf8259","last_reissued_at":"2026-07-05T05:27:07.327168Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:27:07.327168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.10413","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":"2026-07-05T05:27:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+xgsALxlYXhfDdJX7yCGtkNwno4nxx+uY3R/InwA3DuEDI2sfJDuOsIcSu1KBuXrqAnyqEUB8X9Rbx7w8lvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T03:26:49.205147Z"},"content_sha256":"a8bde8df5dc6f7c013776aec1bfbe059c3586c213c38ccf2e4705a1c21c6cc5d","schema_version":"1.0","event_id":"sha256:a8bde8df5dc6f7c013776aec1bfbe059c3586c213c38ccf2e4705a1c21c6cc5d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DWXJBOPWI6YK25YENLIBWFXV3S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observational constraints for an axially symmetric transitioning model with bulk viscosity parameterization","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. Beesham, Anirudh Pradhan, Archana Dixit, Vinod Kumar Bhardwaj","submitted_at":"2022-12-20T16:42:47Z","abstract_excerpt":"In this paper, we have analyzed the significance of bulk viscosity in an axially symmetric Bianchi type-I model to study the accelerated expansion of the universe. We have considered four bulk viscosity parameterizations for the matter-dominated cosmological model. The function of the two significant Hubble $H(z)$ and deceleration parameters are discussed in detail. The energy parameters of the universe are computed using the most recent observational Hubble data (57 data points) in the redshift range $0.07 \\leq z \\leq 2.36)$. In this model, we obtained all feasible solutions with the viscous "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10413","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.10413/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:27:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D36rmoGf39kh+9gcQEa9Covaq5WO1dDyX3IkZrtTu2HjyYhdShMzTnVou4wNBuZxzStiSp3R2Oh6q/nTXP4AAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T03:26:49.205651Z"},"content_sha256":"d3c5144ed70e8d96670a716f82e8c477e7ce86adc8008000bdc5f39fefac04d7","schema_version":"1.0","event_id":"sha256:d3c5144ed70e8d96670a716f82e8c477e7ce86adc8008000bdc5f39fefac04d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DWXJBOPWI6YK25YENLIBWFXV3S/bundle.json","state_url":"https://pith.science/pith/DWXJBOPWI6YK25YENLIBWFXV3S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DWXJBOPWI6YK25YENLIBWFXV3S/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":"2026-08-07T03:26:49Z","links":{"resolver":"https://pith.science/pith/DWXJBOPWI6YK25YENLIBWFXV3S","bundle":"https://pith.science/pith/DWXJBOPWI6YK25YENLIBWFXV3S/bundle.json","state":"https://pith.science/pith/DWXJBOPWI6YK25YENLIBWFXV3S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DWXJBOPWI6YK25YENLIBWFXV3S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DWXJBOPWI6YK25YENLIBWFXV3S","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":"fd5c1d0da7a20f731c9a84bcd8df93c68094c541ad07503c9e03db32229f03bb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-20T16:42:47Z","title_canon_sha256":"f05337ffaf6029f61db2ce054b4f1d6b08223d4f772521bceb67f81e9c7179d9"},"schema_version":"1.0","source":{"id":"2212.10413","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10413","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10413v1","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10413","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"pith_short_12","alias_value":"DWXJBOPWI6YK","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"pith_short_16","alias_value":"DWXJBOPWI6YK25YE","created_at":"2026-07-05T05:27:07Z"},{"alias_kind":"pith_short_8","alias_value":"DWXJBOPW","created_at":"2026-07-05T05:27:07Z"}],"graph_snapshots":[{"event_id":"sha256:d3c5144ed70e8d96670a716f82e8c477e7ce86adc8008000bdc5f39fefac04d7","target":"graph","created_at":"2026-07-05T05:27:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2212.10413/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we have analyzed the significance of bulk viscosity in an axially symmetric Bianchi type-I model to study the accelerated expansion of the universe. We have considered four bulk viscosity parameterizations for the matter-dominated cosmological model. The function of the two significant Hubble $H(z)$ and deceleration parameters are discussed in detail. The energy parameters of the universe are computed using the most recent observational Hubble data (57 data points) in the redshift range $0.07 \\leq z \\leq 2.36)$. In this model, we obtained all feasible solutions with the viscous ","authors_text":"A. Beesham, Anirudh Pradhan, Archana Dixit, Vinod Kumar Bhardwaj","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-20T16:42:47Z","title":"Observational constraints for an axially symmetric transitioning model with bulk viscosity parameterization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10413","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:a8bde8df5dc6f7c013776aec1bfbe059c3586c213c38ccf2e4705a1c21c6cc5d","target":"record","created_at":"2026-07-05T05:27:07Z","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":"fd5c1d0da7a20f731c9a84bcd8df93c68094c541ad07503c9e03db32229f03bb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-20T16:42:47Z","title_canon_sha256":"f05337ffaf6029f61db2ce054b4f1d6b08223d4f772521bceb67f81e9c7179d9"},"schema_version":"1.0","source":{"id":"2212.10413","kind":"arxiv","version":1}},"canonical_sha256":"1dae90b9f647b0ad77046ad01b16f5dc9d4ae5873cc1a16ff687f3e77fdf8259","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1dae90b9f647b0ad77046ad01b16f5dc9d4ae5873cc1a16ff687f3e77fdf8259","first_computed_at":"2026-07-05T05:27:07.327168Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:27:07.327168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cqyMLH9CGOSs05+nhyBCR50mGZBcxMwVVzkkRi6I5qUmOWOXIKLlpMt/iYgfSaOUHwJ8hiGKnqdEJMVN4nRmCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:27:07.327674Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.10413","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8bde8df5dc6f7c013776aec1bfbe059c3586c213c38ccf2e4705a1c21c6cc5d","sha256:d3c5144ed70e8d96670a716f82e8c477e7ce86adc8008000bdc5f39fefac04d7"],"state_sha256":"ca6cab6b6aafa614c8a8e5f8a8758a4864341accab49c814598063ef62575f15"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+rrAstNHQWYmhsoBFuXCMqNazna5BxJP9H4gOheljYth5e4WExYgD2ALnoKB7ok0v1Q44jRyqzhV2cLFhBDNBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T03:26:49.209515Z","bundle_sha256":"076932752cab37637e73b0943a4b61053e6d6e04b2686683007f2b4484a788e4"}}