{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:RUIGS7F2QG3I4OPJOYN347AA75","short_pith_number":"pith:RUIGS7F2","canonical_record":{"source":{"id":"1202.2852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:01Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"5d9d7dc825389434cecfa6eff19e86bf17cf07ab7ca1577b54cce44f647bb1a6","abstract_canon_sha256":"388752cb001228ab9218dfd1c7079e0bdb4818e9a3734b60e8952cde402c4805"},"schema_version":"1.0"},"canonical_sha256":"8d10697cba81b68e39e9761bbe7c00ff67a88865a01f36ea2a45b5815954f02e","source":{"kind":"arxiv","id":"1202.2852","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2852","created_at":"2026-05-18T03:51:37Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2852v1","created_at":"2026-05-18T03:51:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2852","created_at":"2026-05-18T03:51:37Z"},{"alias_kind":"pith_short_12","alias_value":"RUIGS7F2QG3I","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RUIGS7F2QG3I4OPJ","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RUIGS7F2","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:RUIGS7F2QG3I4OPJOYN347AA75","target":"record","payload":{"canonical_record":{"source":{"id":"1202.2852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:01Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"5d9d7dc825389434cecfa6eff19e86bf17cf07ab7ca1577b54cce44f647bb1a6","abstract_canon_sha256":"388752cb001228ab9218dfd1c7079e0bdb4818e9a3734b60e8952cde402c4805"},"schema_version":"1.0"},"canonical_sha256":"8d10697cba81b68e39e9761bbe7c00ff67a88865a01f36ea2a45b5815954f02e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:51:37.999649Z","signature_b64":"Pd/hqt73o52yi8H3eJvr6QfQaSmAhR/3qbMBIu2LutjWkTlKYSFcNbXk/rWeAsUhGM77YiwXVvlSKA6XDHbICQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d10697cba81b68e39e9761bbe7c00ff67a88865a01f36ea2a45b5815954f02e","last_reissued_at":"2026-05-18T03:51:37.999205Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:51:37.999205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.2852","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":"2026-05-18T03:51:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+h8IyB1wX0EbbuYBYqF36Q5yFveiKGbqUTO1YMTZTa2CeEDRJgsx5Lk37LNIp7wjmx9balGsdOfVACAJSfrfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:08:41.562832Z"},"content_sha256":"4c2c923ea2bb098d945be85af263c85d13845a8ceec524c00a6fbac4916775f2","schema_version":"1.0","event_id":"sha256:4c2c923ea2bb098d945be85af263c85d13845a8ceec524c00a6fbac4916775f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:RUIGS7F2QG3I4OPJOYN347AA75","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on scalar and tensor perturbations in phenomenological and two-field inflation models: Bayesian evidences for primordial isocurvature and tensor modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Hannu Kurki-Suonio, Helsinki U.), Jussi Valiviita (ITA, Marianne Talvitie, Matti Savelainen, Oslo U.), Stanislav Rusak (HIP","submitted_at":"2012-02-13T21:00:01Z","abstract_excerpt":"We constrain cosmological models where the primordial perturbations have both an adiabatic and a (possibly correlated) cold dark matter (CDM) or baryon isocurvature component. We use both a phenomenological approach, where the primordial power spectra are parametrized with amplitudes and spectral indices, and a slow-roll two-field inflation approach where slow-roll parameters are used as primary parameters. In the phenomenological case, with CMB data, the upper limit to the CDM isocurvature fraction is \\alpha<6.4% at k=0.002Mpc^{-1} and 15.4% at k=0.01Mpc^{-1}. The median 95% range for the non"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2852","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":"2026-05-18T03:51:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"szF12JInqOUwa77SZwPyMm3rM1A8Hha8b/Slid8x2/FcEyj84nA05C7Go9M+Arf0vWgll6EUxw60va2yCjffDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:08:41.563185Z"},"content_sha256":"e30b899e211eed198371bc764111ab2d0f304987ae999d005734be94d3ca7501","schema_version":"1.0","event_id":"sha256:e30b899e211eed198371bc764111ab2d0f304987ae999d005734be94d3ca7501"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RUIGS7F2QG3I4OPJOYN347AA75/bundle.json","state_url":"https://pith.science/pith/RUIGS7F2QG3I4OPJOYN347AA75/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RUIGS7F2QG3I4OPJOYN347AA75/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":"2026-05-28T11:08:41Z","links":{"resolver":"https://pith.science/pith/RUIGS7F2QG3I4OPJOYN347AA75","bundle":"https://pith.science/pith/RUIGS7F2QG3I4OPJOYN347AA75/bundle.json","state":"https://pith.science/pith/RUIGS7F2QG3I4OPJOYN347AA75/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RUIGS7F2QG3I4OPJOYN347AA75/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RUIGS7F2QG3I4OPJOYN347AA75","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":"388752cb001228ab9218dfd1c7079e0bdb4818e9a3734b60e8952cde402c4805","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:01Z","title_canon_sha256":"5d9d7dc825389434cecfa6eff19e86bf17cf07ab7ca1577b54cce44f647bb1a6"},"schema_version":"1.0","source":{"id":"1202.2852","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2852","created_at":"2026-05-18T03:51:37Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2852v1","created_at":"2026-05-18T03:51:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2852","created_at":"2026-05-18T03:51:37Z"},{"alias_kind":"pith_short_12","alias_value":"RUIGS7F2QG3I","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RUIGS7F2QG3I4OPJ","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RUIGS7F2","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:e30b899e211eed198371bc764111ab2d0f304987ae999d005734be94d3ca7501","target":"graph","created_at":"2026-05-18T03:51:37Z","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 constrain cosmological models where the primordial perturbations have both an adiabatic and a (possibly correlated) cold dark matter (CDM) or baryon isocurvature component. We use both a phenomenological approach, where the primordial power spectra are parametrized with amplitudes and spectral indices, and a slow-roll two-field inflation approach where slow-roll parameters are used as primary parameters. In the phenomenological case, with CMB data, the upper limit to the CDM isocurvature fraction is \\alpha<6.4% at k=0.002Mpc^{-1} and 15.4% at k=0.01Mpc^{-1}. The median 95% range for the non","authors_text":"Hannu Kurki-Suonio, Helsinki U.), Jussi Valiviita (ITA, Marianne Talvitie, Matti Savelainen, Oslo U.), Stanislav Rusak (HIP","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:01Z","title":"Constraints on scalar and tensor perturbations in phenomenological and two-field inflation models: Bayesian evidences for primordial isocurvature and tensor modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2852","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":"sha256:4c2c923ea2bb098d945be85af263c85d13845a8ceec524c00a6fbac4916775f2","target":"record","created_at":"2026-05-18T03:51:37Z","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":"388752cb001228ab9218dfd1c7079e0bdb4818e9a3734b60e8952cde402c4805","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-13T21:00:01Z","title_canon_sha256":"5d9d7dc825389434cecfa6eff19e86bf17cf07ab7ca1577b54cce44f647bb1a6"},"schema_version":"1.0","source":{"id":"1202.2852","kind":"arxiv","version":1}},"canonical_sha256":"8d10697cba81b68e39e9761bbe7c00ff67a88865a01f36ea2a45b5815954f02e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d10697cba81b68e39e9761bbe7c00ff67a88865a01f36ea2a45b5815954f02e","first_computed_at":"2026-05-18T03:51:37.999205Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:37.999205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pd/hqt73o52yi8H3eJvr6QfQaSmAhR/3qbMBIu2LutjWkTlKYSFcNbXk/rWeAsUhGM77YiwXVvlSKA6XDHbICQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:37.999649Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.2852","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c2c923ea2bb098d945be85af263c85d13845a8ceec524c00a6fbac4916775f2","sha256:e30b899e211eed198371bc764111ab2d0f304987ae999d005734be94d3ca7501"],"state_sha256":"b11db1e3e4e1717bfbbbcd1419451b681fa539633b06cf2ab432e3f978f4c29b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HIU3dlpH0nvGC1uRMXRIod2iDEncr57dTt+HevVm1aDGFiz76eNtCkvIf2Rm0QVcWbq15s+e9Hgb7G/lZiIDDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:08:41.565225Z","bundle_sha256":"76893eb9998541dc62a4bbbe568475112fb848488ed17f1953bc87843db39507"}}