{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MVHCHOOMHPF6O5ZF5NPKN4WLLW","short_pith_number":"pith:MVHCHOOM","canonical_record":{"source":{"id":"1503.01413","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-04T18:52:20Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"82a49127c7d2a5ed2d79a47153ef83c0e814b4f5ca6a6a164797ab2dfc4ea7e0","abstract_canon_sha256":"b7bafeb4e779d15851902c87c2a09148aab7089e89301484a33454689ecbdc43"},"schema_version":"1.0"},"canonical_sha256":"654e23b9cc3bcbe77725eb5ea6f2cb5d9001f95f5ea40231ebec0e9a905b4131","source":{"kind":"arxiv","id":"1503.01413","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01413","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01413v1","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01413","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"pith_short_12","alias_value":"MVHCHOOMHPF6","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MVHCHOOMHPF6O5ZF","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MVHCHOOM","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MVHCHOOMHPF6O5ZF5NPKN4WLLW","target":"record","payload":{"canonical_record":{"source":{"id":"1503.01413","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-04T18:52:20Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"82a49127c7d2a5ed2d79a47153ef83c0e814b4f5ca6a6a164797ab2dfc4ea7e0","abstract_canon_sha256":"b7bafeb4e779d15851902c87c2a09148aab7089e89301484a33454689ecbdc43"},"schema_version":"1.0"},"canonical_sha256":"654e23b9cc3bcbe77725eb5ea6f2cb5d9001f95f5ea40231ebec0e9a905b4131","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:38.379573Z","signature_b64":"zF7enr8LhBo4iFL2pkRMEfGXAePMHsKMSsBSdTBio47nbT5hR9KNXxLaJrXfQbCj1+0ACuvVfR02IHvrtYVhDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"654e23b9cc3bcbe77725eb5ea6f2cb5d9001f95f5ea40231ebec0e9a905b4131","last_reissued_at":"2026-05-18T01:36:38.378898Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:38.378898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.01413","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":"2026-05-18T01:36:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7vVyiDVLh7Mvgm3djpFtXyy6vK26UcKakfLvGki+BxzSujz9LR+r34LBGUallubx6TrJ7pHL/nnet6kX7gf/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:49:49.129694Z"},"content_sha256":"24bdb022bf08d65cac5aa42d6772ec6f4d2bab2082cccb703a78631ee3713530","schema_version":"1.0","event_id":"sha256:24bdb022bf08d65cac5aa42d6772ec6f4d2bab2082cccb703a78631ee3713530"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MVHCHOOMHPF6O5ZF5NPKN4WLLW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing Cosmological Isotropy With Type IA Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"A. Bernui, C.A.P. Bengaly Jr., J.S. Alcaniz","submitted_at":"2015-03-04T18:52:20Z","abstract_excerpt":"We investigate the validity of the Cosmological Principle by mapping the cosmological parameters $H_0$ and $q_0$ through the celestial sphere. In our analysis, performed in a low-redshift regime to follow a model-independent approach, we use two compilations of type Ia Supernovae (SNe Ia), namely the Union2.1 and the JLA datasets. Firstly, we show that the angular distributions for both SNe Ia datasets are statistically anisotropic at high confidence level ($p$-value $<$ 0.0001), in particular the JLA sample. Then we find that the cosmic expansion and acceleration are mainly of dipolar type, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01413","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":"2026-05-18T01:36:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J6UpGr7llibbIreNhyzAe0NnINNYCzzk9Hyfy8Jm7VcgaFGtLDJoqwBSYjFvTNYdlOTG6A1rzINz4QOkRRCMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:49:49.130331Z"},"content_sha256":"7ccb4f8a8e459cfab6e3ff93e343a9f639edfd3ec9a51b30e20412e84e540d61","schema_version":"1.0","event_id":"sha256:7ccb4f8a8e459cfab6e3ff93e343a9f639edfd3ec9a51b30e20412e84e540d61"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MVHCHOOMHPF6O5ZF5NPKN4WLLW/bundle.json","state_url":"https://pith.science/pith/MVHCHOOMHPF6O5ZF5NPKN4WLLW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MVHCHOOMHPF6O5ZF5NPKN4WLLW/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":"2026-05-28T13:49:49Z","links":{"resolver":"https://pith.science/pith/MVHCHOOMHPF6O5ZF5NPKN4WLLW","bundle":"https://pith.science/pith/MVHCHOOMHPF6O5ZF5NPKN4WLLW/bundle.json","state":"https://pith.science/pith/MVHCHOOMHPF6O5ZF5NPKN4WLLW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MVHCHOOMHPF6O5ZF5NPKN4WLLW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MVHCHOOMHPF6O5ZF5NPKN4WLLW","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":"b7bafeb4e779d15851902c87c2a09148aab7089e89301484a33454689ecbdc43","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-04T18:52:20Z","title_canon_sha256":"82a49127c7d2a5ed2d79a47153ef83c0e814b4f5ca6a6a164797ab2dfc4ea7e0"},"schema_version":"1.0","source":{"id":"1503.01413","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01413","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01413v1","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01413","created_at":"2026-05-18T01:36:38Z"},{"alias_kind":"pith_short_12","alias_value":"MVHCHOOMHPF6","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MVHCHOOMHPF6O5ZF","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MVHCHOOM","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:7ccb4f8a8e459cfab6e3ff93e343a9f639edfd3ec9a51b30e20412e84e540d61","target":"graph","created_at":"2026-05-18T01:36:38Z","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 investigate the validity of the Cosmological Principle by mapping the cosmological parameters $H_0$ and $q_0$ through the celestial sphere. In our analysis, performed in a low-redshift regime to follow a model-independent approach, we use two compilations of type Ia Supernovae (SNe Ia), namely the Union2.1 and the JLA datasets. Firstly, we show that the angular distributions for both SNe Ia datasets are statistically anisotropic at high confidence level ($p$-value $<$ 0.0001), in particular the JLA sample. Then we find that the cosmic expansion and acceleration are mainly of dipolar type, w","authors_text":"A. Bernui, C.A.P. Bengaly Jr., J.S. Alcaniz","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-04T18:52:20Z","title":"Probing Cosmological Isotropy With Type IA Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01413","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":"sha256:24bdb022bf08d65cac5aa42d6772ec6f4d2bab2082cccb703a78631ee3713530","target":"record","created_at":"2026-05-18T01:36:38Z","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":"b7bafeb4e779d15851902c87c2a09148aab7089e89301484a33454689ecbdc43","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-04T18:52:20Z","title_canon_sha256":"82a49127c7d2a5ed2d79a47153ef83c0e814b4f5ca6a6a164797ab2dfc4ea7e0"},"schema_version":"1.0","source":{"id":"1503.01413","kind":"arxiv","version":1}},"canonical_sha256":"654e23b9cc3bcbe77725eb5ea6f2cb5d9001f95f5ea40231ebec0e9a905b4131","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"654e23b9cc3bcbe77725eb5ea6f2cb5d9001f95f5ea40231ebec0e9a905b4131","first_computed_at":"2026-05-18T01:36:38.378898Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:38.378898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zF7enr8LhBo4iFL2pkRMEfGXAePMHsKMSsBSdTBio47nbT5hR9KNXxLaJrXfQbCj1+0ACuvVfR02IHvrtYVhDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:38.379573Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.01413","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24bdb022bf08d65cac5aa42d6772ec6f4d2bab2082cccb703a78631ee3713530","sha256:7ccb4f8a8e459cfab6e3ff93e343a9f639edfd3ec9a51b30e20412e84e540d61"],"state_sha256":"32482c0ce0c3af0a765496b2d2f4eaa41d534d7ac2e0257533a32bf2e5ddca39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kUAwGeYCM/q8MxS9oCS84iJXea8kK28qVF2TZZqgke51M6P+MYjs19UQg9KK1yQCJVGzGhVsNE+NOsWnfOJXAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:49:49.133606Z","bundle_sha256":"a62a4d88d5202fa3e2b09cc80e899e1bfb0abd753a59b4558c7eba87ba57ccb9"}}