{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JGJU3COCU7UWASMLGGNYSDI6AU","short_pith_number":"pith:JGJU3COC","canonical_record":{"source":{"id":"1209.4021","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-18T16:34:32Z","cross_cats_sorted":[],"title_canon_sha256":"370075100c1f5af550c5f581e57af229feee67c43004f133419951476df2d3ea","abstract_canon_sha256":"901ba65748d8753b31f1d8596702236a3c9483b6d8bbf1328aa038419dedd4bb"},"schema_version":"1.0"},"canonical_sha256":"49934d89c2a7e960498b319b890d1e050e9a74f92e9492b869061a7068383a01","source":{"kind":"arxiv","id":"1209.4021","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4021","created_at":"2026-05-18T01:29:11Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4021v4","created_at":"2026-05-18T01:29:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4021","created_at":"2026-05-18T01:29:11Z"},{"alias_kind":"pith_short_12","alias_value":"JGJU3COCU7UW","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JGJU3COCU7UWASML","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JGJU3COC","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JGJU3COCU7UWASMLGGNYSDI6AU","target":"record","payload":{"canonical_record":{"source":{"id":"1209.4021","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-18T16:34:32Z","cross_cats_sorted":[],"title_canon_sha256":"370075100c1f5af550c5f581e57af229feee67c43004f133419951476df2d3ea","abstract_canon_sha256":"901ba65748d8753b31f1d8596702236a3c9483b6d8bbf1328aa038419dedd4bb"},"schema_version":"1.0"},"canonical_sha256":"49934d89c2a7e960498b319b890d1e050e9a74f92e9492b869061a7068383a01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:11.918928Z","signature_b64":"T73yyT9hBuse6Nuj1nh2tQ47FAXrpJ5tEqJW/CLqJgT19Xw4AGoORVvKqssyHqcWwBoExLjtvEEn3W0WMVGZDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49934d89c2a7e960498b319b890d1e050e9a74f92e9492b869061a7068383a01","last_reissued_at":"2026-05-18T01:29:11.918179Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:11.918179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.4021","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:29:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kiqZ0YTMpIX6PFVp5AgRdY9XVmH3Z2xESeGPbmmJQROn/dLL1faU+ddI7dlQi3dvrZBQD4jzcO8R+wwWtClTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T05:50:50.375080Z"},"content_sha256":"8ac9065c94ca000de79aa37cf5a18764312831263740e7d2b8a6541da57901fc","schema_version":"1.0","event_id":"sha256:8ac9065c94ca000de79aa37cf5a18764312831263740e7d2b8a6541da57901fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JGJU3COCU7UWASMLGGNYSDI6AU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing CMB Cold Spot through Local Minkowski Functionals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Wen Zhao","submitted_at":"2012-09-18T16:34:32Z","abstract_excerpt":"Both WMAP and PLANCK missions reported the extremely Cold Spot (CS) centered at Galactic coordinate ($l=209^{\\circ}$, $b=-57^{\\circ}$) in CMB map. In this paper, we study the local non-Gaussianity of CS by defining the local Minkowski functions. We find that the third Minkowski function $\\nu_2$ is quite sensitive to the non-Gaussianity caused by CS. Compared with the random Gaussian simulations, WMAP CS deviates from Gaussianity at more than 99% confident level at the scale $R\\sim10^{\\circ}$. Meanwhile, we find that cosmic texture provides an excellent explanation for these anomalies related t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4021","kind":"arxiv","version":4},"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":"2026-05-18T01:29:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X+pHp5QbYBNZhGBrTRQtw3PwkPFD0w2SINgcMjU/uEAnRa7JT1IkBQeQjVWW7kRRzdRXZzaYlE1PyvxN81eyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T05:50:50.375717Z"},"content_sha256":"7442eb6e944ddcb50e8bb275729ff903745aa04a909d62dbc6d06703187afe1f","schema_version":"1.0","event_id":"sha256:7442eb6e944ddcb50e8bb275729ff903745aa04a909d62dbc6d06703187afe1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGJU3COCU7UWASMLGGNYSDI6AU/bundle.json","state_url":"https://pith.science/pith/JGJU3COCU7UWASMLGGNYSDI6AU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGJU3COCU7UWASMLGGNYSDI6AU/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":"2026-06-10T05:50:50Z","links":{"resolver":"https://pith.science/pith/JGJU3COCU7UWASMLGGNYSDI6AU","bundle":"https://pith.science/pith/JGJU3COCU7UWASMLGGNYSDI6AU/bundle.json","state":"https://pith.science/pith/JGJU3COCU7UWASMLGGNYSDI6AU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGJU3COCU7UWASMLGGNYSDI6AU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JGJU3COCU7UWASMLGGNYSDI6AU","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":"901ba65748d8753b31f1d8596702236a3c9483b6d8bbf1328aa038419dedd4bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-18T16:34:32Z","title_canon_sha256":"370075100c1f5af550c5f581e57af229feee67c43004f133419951476df2d3ea"},"schema_version":"1.0","source":{"id":"1209.4021","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4021","created_at":"2026-05-18T01:29:11Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4021v4","created_at":"2026-05-18T01:29:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4021","created_at":"2026-05-18T01:29:11Z"},{"alias_kind":"pith_short_12","alias_value":"JGJU3COCU7UW","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JGJU3COCU7UWASML","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JGJU3COC","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:7442eb6e944ddcb50e8bb275729ff903745aa04a909d62dbc6d06703187afe1f","target":"graph","created_at":"2026-05-18T01:29:11Z","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":"Both WMAP and PLANCK missions reported the extremely Cold Spot (CS) centered at Galactic coordinate ($l=209^{\\circ}$, $b=-57^{\\circ}$) in CMB map. In this paper, we study the local non-Gaussianity of CS by defining the local Minkowski functions. We find that the third Minkowski function $\\nu_2$ is quite sensitive to the non-Gaussianity caused by CS. Compared with the random Gaussian simulations, WMAP CS deviates from Gaussianity at more than 99% confident level at the scale $R\\sim10^{\\circ}$. Meanwhile, we find that cosmic texture provides an excellent explanation for these anomalies related t","authors_text":"Wen Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-18T16:34:32Z","title":"Probing CMB Cold Spot through Local Minkowski Functionals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4021","kind":"arxiv","version":4},"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":"sha256:8ac9065c94ca000de79aa37cf5a18764312831263740e7d2b8a6541da57901fc","target":"record","created_at":"2026-05-18T01:29:11Z","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":"901ba65748d8753b31f1d8596702236a3c9483b6d8bbf1328aa038419dedd4bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-18T16:34:32Z","title_canon_sha256":"370075100c1f5af550c5f581e57af229feee67c43004f133419951476df2d3ea"},"schema_version":"1.0","source":{"id":"1209.4021","kind":"arxiv","version":4}},"canonical_sha256":"49934d89c2a7e960498b319b890d1e050e9a74f92e9492b869061a7068383a01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49934d89c2a7e960498b319b890d1e050e9a74f92e9492b869061a7068383a01","first_computed_at":"2026-05-18T01:29:11.918179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:11.918179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T73yyT9hBuse6Nuj1nh2tQ47FAXrpJ5tEqJW/CLqJgT19Xw4AGoORVvKqssyHqcWwBoExLjtvEEn3W0WMVGZDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:11.918928Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.4021","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ac9065c94ca000de79aa37cf5a18764312831263740e7d2b8a6541da57901fc","sha256:7442eb6e944ddcb50e8bb275729ff903745aa04a909d62dbc6d06703187afe1f"],"state_sha256":"1c7cf22c3273e562603c87f6311be5d19614c78b4a5ffa0ce2cef00446e0786a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LEfxW4vIY7mVnFP9hKVEzjJ2+AgpMV+XO7dp2VZwal5e27Z1AvjNUJN8XwpqnDtGvwPHau++FcRLNQx5Pk6uCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T05:50:50.379141Z","bundle_sha256":"34081e597f3d5fbb110689d2d1fdb2024134a47517141db5fc9ef3bc5b39ab3f"}}