{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:GOJ7O5OBZIBG5GMYYVG3IODOT6","short_pith_number":"pith:GOJ7O5OB","canonical_record":{"source":{"id":"1202.2861","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:04Z","cross_cats_sorted":["astro-ph.IM","hep-th"],"title_canon_sha256":"386e7e48de99eec0bbc5616ec9fa301cc1f5fdad6cabb8c4f08104030f97e31a","abstract_canon_sha256":"f03eea60976197d06623ed563d9ecd4e8c197bfa7293b20e4cbc3b9701a75afa"},"schema_version":"1.0"},"canonical_sha256":"3393f775c1ca026e9998c54db4386e9f9c5abbabddc34df37b1f4f393cc8d2ba","source":{"kind":"arxiv","id":"1202.2861","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2861","created_at":"2026-05-18T03:54:50Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2861v2","created_at":"2026-05-18T03:54:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2861","created_at":"2026-05-18T03:54:50Z"},{"alias_kind":"pith_short_12","alias_value":"GOJ7O5OBZIBG","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GOJ7O5OBZIBG5GMY","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GOJ7O5OB","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:GOJ7O5OBZIBG5GMYYVG3IODOT6","target":"record","payload":{"canonical_record":{"source":{"id":"1202.2861","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:04Z","cross_cats_sorted":["astro-ph.IM","hep-th"],"title_canon_sha256":"386e7e48de99eec0bbc5616ec9fa301cc1f5fdad6cabb8c4f08104030f97e31a","abstract_canon_sha256":"f03eea60976197d06623ed563d9ecd4e8c197bfa7293b20e4cbc3b9701a75afa"},"schema_version":"1.0"},"canonical_sha256":"3393f775c1ca026e9998c54db4386e9f9c5abbabddc34df37b1f4f393cc8d2ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:54:50.099331Z","signature_b64":"LBDB900Z6gOTY2SWWRdRLbECIVN4KLvKzB9n+bCkmzgz1z6eR8n0F8E7WJoYjFisPOIUc5iFEM1ZKFNYEEVGAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3393f775c1ca026e9998c54db4386e9f9c5abbabddc34df37b1f4f393cc8d2ba","last_reissued_at":"2026-05-18T03:54:50.098549Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:54:50.098549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.2861","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:54:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R5tEeF6snow/KjcyWdkAmQKGVTAM6GIT3vfYjdOSDHNF8jT63tFatBQ4wQYWxFDj9KIdjGeA4/ImdxJYDCXfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:38:42.132806Z"},"content_sha256":"7320d878006a39e295d8e7612f0e840e4475a22500cb2671f12d0f7d64b23e09","schema_version":"1.0","event_id":"sha256:7320d878006a39e295d8e7612f0e840e4475a22500cb2671f12d0f7d64b23e09"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:GOJ7O5OBZIBG5GMYYVG3IODOT6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal filters for detecting cosmic bubble collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"H. V. Peiris, J. D. McEwen, M. C. Johnson, S. M. Feeney","submitted_at":"2012-02-13T21:00:04Z","abstract_excerpt":"A number of well-motivated extensions of the LCDM concordance cosmological model postulate the existence of a population of sources embedded in the cosmic microwave background (CMB). One such example is the signature of cosmic bubble collisions which arise in models of eternal inflation. The most unambiguous way to test these scenarios is to evaluate the full posterior probability distribution of the global parameters defining the theory; however, a direct evaluation is computationally impractical on large datasets, such as those obtained by the Wilkinson Microwave Anisotropy Probe (WMAP) and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2861","kind":"arxiv","version":2},"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":"2026-05-18T03:54:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LcE3l4aF4BYrVUeTdtXIt33Cce54L+b9//LBdzydwfiXp9QOx42koXrfQMbxipnUyQ6tt62rv9bOch7XlciNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:38:42.133425Z"},"content_sha256":"d46c670eef3ab6d44c34688ad79836c774ddbcbfa42210904bd9980be65ad2fa","schema_version":"1.0","event_id":"sha256:d46c670eef3ab6d44c34688ad79836c774ddbcbfa42210904bd9980be65ad2fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GOJ7O5OBZIBG5GMYYVG3IODOT6/bundle.json","state_url":"https://pith.science/pith/GOJ7O5OBZIBG5GMYYVG3IODOT6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GOJ7O5OBZIBG5GMYYVG3IODOT6/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":"2026-05-25T19:38:42Z","links":{"resolver":"https://pith.science/pith/GOJ7O5OBZIBG5GMYYVG3IODOT6","bundle":"https://pith.science/pith/GOJ7O5OBZIBG5GMYYVG3IODOT6/bundle.json","state":"https://pith.science/pith/GOJ7O5OBZIBG5GMYYVG3IODOT6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GOJ7O5OBZIBG5GMYYVG3IODOT6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:GOJ7O5OBZIBG5GMYYVG3IODOT6","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":"f03eea60976197d06623ed563d9ecd4e8c197bfa7293b20e4cbc3b9701a75afa","cross_cats_sorted":["astro-ph.IM","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:04Z","title_canon_sha256":"386e7e48de99eec0bbc5616ec9fa301cc1f5fdad6cabb8c4f08104030f97e31a"},"schema_version":"1.0","source":{"id":"1202.2861","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2861","created_at":"2026-05-18T03:54:50Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2861v2","created_at":"2026-05-18T03:54:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2861","created_at":"2026-05-18T03:54:50Z"},{"alias_kind":"pith_short_12","alias_value":"GOJ7O5OBZIBG","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GOJ7O5OBZIBG5GMY","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GOJ7O5OB","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:d46c670eef3ab6d44c34688ad79836c774ddbcbfa42210904bd9980be65ad2fa","target":"graph","created_at":"2026-05-18T03:54:50Z","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":"A number of well-motivated extensions of the LCDM concordance cosmological model postulate the existence of a population of sources embedded in the cosmic microwave background (CMB). One such example is the signature of cosmic bubble collisions which arise in models of eternal inflation. The most unambiguous way to test these scenarios is to evaluate the full posterior probability distribution of the global parameters defining the theory; however, a direct evaluation is computationally impractical on large datasets, such as those obtained by the Wilkinson Microwave Anisotropy Probe (WMAP) and ","authors_text":"H. V. Peiris, J. D. McEwen, M. C. Johnson, S. M. Feeney","cross_cats":["astro-ph.IM","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:04Z","title":"Optimal filters for detecting cosmic bubble collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2861","kind":"arxiv","version":2},"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":"sha256:7320d878006a39e295d8e7612f0e840e4475a22500cb2671f12d0f7d64b23e09","target":"record","created_at":"2026-05-18T03:54:50Z","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":"f03eea60976197d06623ed563d9ecd4e8c197bfa7293b20e4cbc3b9701a75afa","cross_cats_sorted":["astro-ph.IM","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:04Z","title_canon_sha256":"386e7e48de99eec0bbc5616ec9fa301cc1f5fdad6cabb8c4f08104030f97e31a"},"schema_version":"1.0","source":{"id":"1202.2861","kind":"arxiv","version":2}},"canonical_sha256":"3393f775c1ca026e9998c54db4386e9f9c5abbabddc34df37b1f4f393cc8d2ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3393f775c1ca026e9998c54db4386e9f9c5abbabddc34df37b1f4f393cc8d2ba","first_computed_at":"2026-05-18T03:54:50.098549Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:54:50.098549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LBDB900Z6gOTY2SWWRdRLbECIVN4KLvKzB9n+bCkmzgz1z6eR8n0F8E7WJoYjFisPOIUc5iFEM1ZKFNYEEVGAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:54:50.099331Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.2861","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7320d878006a39e295d8e7612f0e840e4475a22500cb2671f12d0f7d64b23e09","sha256:d46c670eef3ab6d44c34688ad79836c774ddbcbfa42210904bd9980be65ad2fa"],"state_sha256":"9b7161ab3de3b33793b1cce9fa9b0a4af3a9a00e4f8f4a5daca40ee1a00db27a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RVasOCcClqwT34OJYMUaZYcsrPa9Sdzg+vEV7VX7ji6h71ryvKBMbpGSbH0/SbZZzIrlXCIvnozvybpYidIBAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:38:42.136972Z","bundle_sha256":"b82ca16e416c47dd6c2e126086425e324d7e088ca47b35dc21e982a84520e1e5"}}