{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JGUII4EVDRNVDVQQS4XDYKZUL6","short_pith_number":"pith:JGUII4EV","canonical_record":{"source":{"id":"1209.1223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-06T08:37:30Z","cross_cats_sorted":[],"title_canon_sha256":"9f694b725a9af63dea2eb776288eaa7d9ad3cb16212310f746ae980b6dc4723f","abstract_canon_sha256":"e35a6e52d6126f45125a5f97196ac50f5b7bb41679f7d0d973b92727f0139e68"},"schema_version":"1.0"},"canonical_sha256":"49a88470951c5b51d610972e3c2b345f8cdafd62b2083efd6d6f1e7697bda4ac","source":{"kind":"arxiv","id":"1209.1223","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.1223","created_at":"2026-05-18T01:54:39Z"},{"alias_kind":"arxiv_version","alias_value":"1209.1223v1","created_at":"2026-05-18T01:54:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1223","created_at":"2026-05-18T01:54:39Z"},{"alias_kind":"pith_short_12","alias_value":"JGUII4EVDRNV","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JGUII4EVDRNVDVQQ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JGUII4EV","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JGUII4EVDRNVDVQQS4XDYKZUL6","target":"record","payload":{"canonical_record":{"source":{"id":"1209.1223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-06T08:37:30Z","cross_cats_sorted":[],"title_canon_sha256":"9f694b725a9af63dea2eb776288eaa7d9ad3cb16212310f746ae980b6dc4723f","abstract_canon_sha256":"e35a6e52d6126f45125a5f97196ac50f5b7bb41679f7d0d973b92727f0139e68"},"schema_version":"1.0"},"canonical_sha256":"49a88470951c5b51d610972e3c2b345f8cdafd62b2083efd6d6f1e7697bda4ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:39.460672Z","signature_b64":"B9J11irGTob8Al+td1kx61IkhiCSz9wLiXtMYGuZkzdPjER27CckSB2yH2sDSJ3e7AmJdvt4SlpmqL2E/cI/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49a88470951c5b51d610972e3c2b345f8cdafd62b2083efd6d6f1e7697bda4ac","last_reissued_at":"2026-05-18T01:54:39.459999Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:39.459999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.1223","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":"2026-05-18T01:54:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GbQ5cMaJJrPftQtxxXAg/dP8+bl+qKVa+eFCBwxVWeEHlecx/IziQOYJ9/vtbQ2CJuIa6+cZBD23+Fjt++V2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:16:08.892841Z"},"content_sha256":"410cd635318626f5efd9a956f401f9f4b86e439f0e722a12f62f54ec63262baf","schema_version":"1.0","event_id":"sha256:410cd635318626f5efd9a956f401f9f4b86e439f0e722a12f62f54ec63262baf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JGUII4EVDRNVDVQQS4XDYKZUL6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non Gaussianity and Minkowski Functionals: forecasts for Planck","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anne Ducout, Dmitri Pogosyan, Fran\\c{c}ois Bouchet, Simon Prunet, St\\'ephane Colombi","submitted_at":"2012-09-06T08:37:30Z","abstract_excerpt":"We study Minkowski Functionals as probes of primordial non-Gaussianity in the Cosmic Microwave Background, specifically for the estimate of the primordial `local' bi-spectrum parameter f_NL, with instrumental parameters which should be appropriate for the Planck experiment. We use a maximum likelihood approach, which we couple with various filtering methods and test thoroughly for convergence. We included the effect of inhomogeneous noise as well as astrophysical biases induced by point sources and by the contamination from the Galaxy. We find that, when Wiener filtered maps are used (rather t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1223","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":"2026-05-18T01:54:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ouTvpoF7F1cXfwk1VMtvS60VR4Q0J7UjGYceV5gbdMl8hKRSQ+vRdOp8u9ZPFkudE7HGWhma2mjN80YT9qmBCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:16:08.893548Z"},"content_sha256":"bd12f70a048e7717e101c01a6ab662aa141155a31b04cd67c39df7e6c3f4685d","schema_version":"1.0","event_id":"sha256:bd12f70a048e7717e101c01a6ab662aa141155a31b04cd67c39df7e6c3f4685d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGUII4EVDRNVDVQQS4XDYKZUL6/bundle.json","state_url":"https://pith.science/pith/JGUII4EVDRNVDVQQS4XDYKZUL6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGUII4EVDRNVDVQQS4XDYKZUL6/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":"2026-05-28T23:16:08Z","links":{"resolver":"https://pith.science/pith/JGUII4EVDRNVDVQQS4XDYKZUL6","bundle":"https://pith.science/pith/JGUII4EVDRNVDVQQS4XDYKZUL6/bundle.json","state":"https://pith.science/pith/JGUII4EVDRNVDVQQS4XDYKZUL6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGUII4EVDRNVDVQQS4XDYKZUL6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JGUII4EVDRNVDVQQS4XDYKZUL6","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":"e35a6e52d6126f45125a5f97196ac50f5b7bb41679f7d0d973b92727f0139e68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-06T08:37:30Z","title_canon_sha256":"9f694b725a9af63dea2eb776288eaa7d9ad3cb16212310f746ae980b6dc4723f"},"schema_version":"1.0","source":{"id":"1209.1223","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.1223","created_at":"2026-05-18T01:54:39Z"},{"alias_kind":"arxiv_version","alias_value":"1209.1223v1","created_at":"2026-05-18T01:54:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1223","created_at":"2026-05-18T01:54:39Z"},{"alias_kind":"pith_short_12","alias_value":"JGUII4EVDRNV","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JGUII4EVDRNVDVQQ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JGUII4EV","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:bd12f70a048e7717e101c01a6ab662aa141155a31b04cd67c39df7e6c3f4685d","target":"graph","created_at":"2026-05-18T01:54:39Z","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 study Minkowski Functionals as probes of primordial non-Gaussianity in the Cosmic Microwave Background, specifically for the estimate of the primordial `local' bi-spectrum parameter f_NL, with instrumental parameters which should be appropriate for the Planck experiment. We use a maximum likelihood approach, which we couple with various filtering methods and test thoroughly for convergence. We included the effect of inhomogeneous noise as well as astrophysical biases induced by point sources and by the contamination from the Galaxy. We find that, when Wiener filtered maps are used (rather t","authors_text":"Anne Ducout, Dmitri Pogosyan, Fran\\c{c}ois Bouchet, Simon Prunet, St\\'ephane Colombi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-06T08:37:30Z","title":"Non Gaussianity and Minkowski Functionals: forecasts for Planck"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1223","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":"sha256:410cd635318626f5efd9a956f401f9f4b86e439f0e722a12f62f54ec63262baf","target":"record","created_at":"2026-05-18T01:54:39Z","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":"e35a6e52d6126f45125a5f97196ac50f5b7bb41679f7d0d973b92727f0139e68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-06T08:37:30Z","title_canon_sha256":"9f694b725a9af63dea2eb776288eaa7d9ad3cb16212310f746ae980b6dc4723f"},"schema_version":"1.0","source":{"id":"1209.1223","kind":"arxiv","version":1}},"canonical_sha256":"49a88470951c5b51d610972e3c2b345f8cdafd62b2083efd6d6f1e7697bda4ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49a88470951c5b51d610972e3c2b345f8cdafd62b2083efd6d6f1e7697bda4ac","first_computed_at":"2026-05-18T01:54:39.459999Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:39.459999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B9J11irGTob8Al+td1kx61IkhiCSz9wLiXtMYGuZkzdPjER27CckSB2yH2sDSJ3e7AmJdvt4SlpmqL2E/cI/Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:39.460672Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.1223","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:410cd635318626f5efd9a956f401f9f4b86e439f0e722a12f62f54ec63262baf","sha256:bd12f70a048e7717e101c01a6ab662aa141155a31b04cd67c39df7e6c3f4685d"],"state_sha256":"daca5ada25891cc66059d60a729c38fa6c8472bc75c4a7f842404a525b4444f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cRnrQM7w7h3S9cOh5v92LZXjp0YBYKN6mOp6zPJrJ3oHepvtraHITFBpVXfs1QYKV7N0MC+Q3YQ+cbwsluyeAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:16:08.897263Z","bundle_sha256":"0cc2fc19e94eaf8df91b350c3bc7f2ccdcbd8a5d575e22de2622bc23d15fee08"}}