{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:QEBM3UNUC6QQGWE3XYLPZQANSQ","short_pith_number":"pith:QEBM3UNU","canonical_record":{"source":{"id":"2507.02835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-03T17:45:18Z","cross_cats_sorted":[],"title_canon_sha256":"6a91b40e0d6596ac8f36c30610439e606de4aa5f4ac7b6d49f79e66154fb413d","abstract_canon_sha256":"6886e1ae6ca0a3043f20a78a9edf2b4d38a1bbc917db804ddc77f7fb1f347419"},"schema_version":"1.0"},"canonical_sha256":"8102cdd1b417a103589bbe16fcc00d943842b6cae7bb094d7bfe96e6beb409be","source":{"kind":"arxiv","id":"2507.02835","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02835","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02835v1","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02835","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"QEBM3UNUC6QQ","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"pith_short_16","alias_value":"QEBM3UNUC6QQGWE3","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"pith_short_8","alias_value":"QEBM3UNU","created_at":"2026-07-05T11:31:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:QEBM3UNUC6QQGWE3XYLPZQANSQ","target":"record","payload":{"canonical_record":{"source":{"id":"2507.02835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-03T17:45:18Z","cross_cats_sorted":[],"title_canon_sha256":"6a91b40e0d6596ac8f36c30610439e606de4aa5f4ac7b6d49f79e66154fb413d","abstract_canon_sha256":"6886e1ae6ca0a3043f20a78a9edf2b4d38a1bbc917db804ddc77f7fb1f347419"},"schema_version":"1.0"},"canonical_sha256":"8102cdd1b417a103589bbe16fcc00d943842b6cae7bb094d7bfe96e6beb409be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:31:35.177953Z","signature_b64":"ane0aEICpZbcQnuH3Us92CIA9P+KhHel+flatWgiGMGUBL8wEITRPfBKcfWG/2NL6yRxDPCifsArdlwbWKE0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8102cdd1b417a103589bbe16fcc00d943842b6cae7bb094d7bfe96e6beb409be","last_reissued_at":"2026-07-05T11:31:35.177487Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:31:35.177487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.02835","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":"2026-07-05T11:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U6Iz3mtV+3tONi9svDyDiwhEU+rDAaZHtXyujFYfnk7hKjhhNHHeGSDLtN3fwSULheEMDEwmBTM77Aqu8aPODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T12:57:31.976708Z"},"content_sha256":"46cc69324ed8468730923d5a596d113d9d4a5320f89ba91dead0f49d7b82791b","schema_version":"1.0","event_id":"sha256:46cc69324ed8468730923d5a596d113d9d4a5320f89ba91dead0f49d7b82791b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:QEBM3UNUC6QQGWE3XYLPZQANSQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revealing a transitional epoch of large-scale cosmic anisotropy in the quasar distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Amit Mondal, Biswajit Pandey, Krishna Ghosh","submitted_at":"2025-07-03T17:45:18Z","abstract_excerpt":"The Cosmological Principle posits that the Universe is isotropic on the largest scales. While widely supported, this foundational assumption remains testable. We analyse the angular distribution of over one million quasars from the Gaia-unWISE catalogue using Renyi entropy, a multiscale statistical measure sensitive to higher-order clustering. Dividing the sample into three redshift bins, we find that both the low- and high-redshift distributions are statistically consistent with isotropy. However, at intermediate redshift ($1 \\leq z < 2.2$), we detect a statistically significant and scale-dep"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02835","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/2507.02835/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":"2026-07-05T11:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a9vArzdJ1ksedHxZ85eJBw5VL/OjQum1GLqYU740eUXez1C6PSuKirHnve5LGECr4IQkHGtunBunsRxM/JzpCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T12:57:31.977218Z"},"content_sha256":"21fa9e28a8b57b49f4c3c8d2fb180b8d7fb91a8c6a26b3808e8756323c04a58c","schema_version":"1.0","event_id":"sha256:21fa9e28a8b57b49f4c3c8d2fb180b8d7fb91a8c6a26b3808e8756323c04a58c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QEBM3UNUC6QQGWE3XYLPZQANSQ/bundle.json","state_url":"https://pith.science/pith/QEBM3UNUC6QQGWE3XYLPZQANSQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QEBM3UNUC6QQGWE3XYLPZQANSQ/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":"2026-08-08T12:57:31Z","links":{"resolver":"https://pith.science/pith/QEBM3UNUC6QQGWE3XYLPZQANSQ","bundle":"https://pith.science/pith/QEBM3UNUC6QQGWE3XYLPZQANSQ/bundle.json","state":"https://pith.science/pith/QEBM3UNUC6QQGWE3XYLPZQANSQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QEBM3UNUC6QQGWE3XYLPZQANSQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QEBM3UNUC6QQGWE3XYLPZQANSQ","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":"6886e1ae6ca0a3043f20a78a9edf2b4d38a1bbc917db804ddc77f7fb1f347419","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-03T17:45:18Z","title_canon_sha256":"6a91b40e0d6596ac8f36c30610439e606de4aa5f4ac7b6d49f79e66154fb413d"},"schema_version":"1.0","source":{"id":"2507.02835","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02835","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02835v1","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02835","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"QEBM3UNUC6QQ","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"pith_short_16","alias_value":"QEBM3UNUC6QQGWE3","created_at":"2026-07-05T11:31:35Z"},{"alias_kind":"pith_short_8","alias_value":"QEBM3UNU","created_at":"2026-07-05T11:31:35Z"}],"graph_snapshots":[{"event_id":"sha256:21fa9e28a8b57b49f4c3c8d2fb180b8d7fb91a8c6a26b3808e8756323c04a58c","target":"graph","created_at":"2026-07-05T11:31:35Z","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/2507.02835/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Cosmological Principle posits that the Universe is isotropic on the largest scales. While widely supported, this foundational assumption remains testable. We analyse the angular distribution of over one million quasars from the Gaia-unWISE catalogue using Renyi entropy, a multiscale statistical measure sensitive to higher-order clustering. Dividing the sample into three redshift bins, we find that both the low- and high-redshift distributions are statistically consistent with isotropy. However, at intermediate redshift ($1 \\leq z < 2.2$), we detect a statistically significant and scale-dep","authors_text":"Amit Mondal, Biswajit Pandey, Krishna Ghosh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-03T17:45:18Z","title":"Revealing a transitional epoch of large-scale cosmic anisotropy in the quasar distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02835","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":"sha256:46cc69324ed8468730923d5a596d113d9d4a5320f89ba91dead0f49d7b82791b","target":"record","created_at":"2026-07-05T11:31:35Z","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":"6886e1ae6ca0a3043f20a78a9edf2b4d38a1bbc917db804ddc77f7fb1f347419","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-03T17:45:18Z","title_canon_sha256":"6a91b40e0d6596ac8f36c30610439e606de4aa5f4ac7b6d49f79e66154fb413d"},"schema_version":"1.0","source":{"id":"2507.02835","kind":"arxiv","version":1}},"canonical_sha256":"8102cdd1b417a103589bbe16fcc00d943842b6cae7bb094d7bfe96e6beb409be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8102cdd1b417a103589bbe16fcc00d943842b6cae7bb094d7bfe96e6beb409be","first_computed_at":"2026-07-05T11:31:35.177487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:31:35.177487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ane0aEICpZbcQnuH3Us92CIA9P+KhHel+flatWgiGMGUBL8wEITRPfBKcfWG/2NL6yRxDPCifsArdlwbWKE0AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:31:35.177953Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.02835","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46cc69324ed8468730923d5a596d113d9d4a5320f89ba91dead0f49d7b82791b","sha256:21fa9e28a8b57b49f4c3c8d2fb180b8d7fb91a8c6a26b3808e8756323c04a58c"],"state_sha256":"15f175b77119f63d8ea74e2f291c50bb968172e862f4df9710cc629ea5d40b89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6fYj/TkPUGyN0fyxoAHIxFMqbVcVjBMVHdO+PtrnX1xDg105aVGO1ZLmiHTUpEB4/HiEwd5QdwfEJCVeFEwWBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T12:57:31.983738Z","bundle_sha256":"b6df280f7441dc60a62d52d4cbbaee0bb387b01c21ae7d57a4641fe1dc6c8c25"}}