{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XRJAPQABKFZEPXGCJ2ZDKVHSNI","short_pith_number":"pith:XRJAPQAB","canonical_record":{"source":{"id":"1603.02606","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-03-08T17:58:57Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"3c2129ff53cde24fd348b84bfb27b42921d8fd41241bfce92ff0fb973d8e3cf8","abstract_canon_sha256":"a2a23c8cd2fd85c383166e12135fdd63d44644ad12e94a58b9619bf190b78219"},"schema_version":"1.0"},"canonical_sha256":"bc5207c001517247dcc24eb23554f26a25c2c683e42bf2b3a842de1c05d2f929","source":{"kind":"arxiv","id":"1603.02606","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02606","created_at":"2026-05-18T01:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02606v2","created_at":"2026-05-18T01:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02606","created_at":"2026-05-18T01:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"XRJAPQABKFZE","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XRJAPQABKFZEPXGC","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XRJAPQAB","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XRJAPQABKFZEPXGCJ2ZDKVHSNI","target":"record","payload":{"canonical_record":{"source":{"id":"1603.02606","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-03-08T17:58:57Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"3c2129ff53cde24fd348b84bfb27b42921d8fd41241bfce92ff0fb973d8e3cf8","abstract_canon_sha256":"a2a23c8cd2fd85c383166e12135fdd63d44644ad12e94a58b9619bf190b78219"},"schema_version":"1.0"},"canonical_sha256":"bc5207c001517247dcc24eb23554f26a25c2c683e42bf2b3a842de1c05d2f929","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:37.516111Z","signature_b64":"ItIUi0M/+NqmTG3180aUBP5gmufFz4DG80ZuXZW8UQqn9fJrBOU6ynDgPylqXTxYRag4CI4vnOWB+b/iha8wCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc5207c001517247dcc24eb23554f26a25c2c683e42bf2b3a842de1c05d2f929","last_reissued_at":"2026-05-18T01:04:37.515328Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:37.515328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.02606","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":"2026-05-18T01:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WF3cOwgLADr7Xgc1eF0oY5BbxlTAbs1KPSlKSvZ/aepORYrOpyJH7KNqGQ78voFdRK3WS6SjkuP9VWidPbkKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:04:23.810523Z"},"content_sha256":"367166b3bbee4b698ae0ad9753b0fd2e05ef507eab7e9d730dc65172b86a5cfc","schema_version":"1.0","event_id":"sha256:367166b3bbee4b698ae0ad9753b0fd2e05ef507eab7e9d730dc65172b86a5cfc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XRJAPQABKFZEPXGCJ2ZDKVHSNI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information Gain on Reheating: the One Bit Milestone","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Christophe Ringeval, Jerome Martin, Vincent Vennin","submitted_at":"2016-03-08T17:58:57Z","abstract_excerpt":"We show that the Planck 2015 and BICEP2/KECK measurements of the Cosmic Microwave Background (CMB) anisotropies provide together an information gain of 0.82 +- 0.13 bits on the reheating history over all slow-roll single-field models of inflation. This corresponds to a 40% improvement compared to the Planck 2013 constraints on the reheating. Our method relies on an exhaustive CMB data analysis performed over nearly 200 models of inflation to derive the Kullback-Leibler entropy between the prior and the fully marginalized posterior of the reheating parameter. This number is a weighted average b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02606","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":"2026-05-18T01:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uv/+U8b7UpFrmmwEjTf1jfs+hYykaRychUnf0G5bgSidoX7hanPiDPzShJnCrXwCGuPbdAmwqla1csLMMc7QCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:04:23.810897Z"},"content_sha256":"f5896146ac21f44b8ae11e7cb64690e9e0b0a43481f005f08f545c2684f6c6a0","schema_version":"1.0","event_id":"sha256:f5896146ac21f44b8ae11e7cb64690e9e0b0a43481f005f08f545c2684f6c6a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XRJAPQABKFZEPXGCJ2ZDKVHSNI/bundle.json","state_url":"https://pith.science/pith/XRJAPQABKFZEPXGCJ2ZDKVHSNI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XRJAPQABKFZEPXGCJ2ZDKVHSNI/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":"2026-06-02T05:04:23Z","links":{"resolver":"https://pith.science/pith/XRJAPQABKFZEPXGCJ2ZDKVHSNI","bundle":"https://pith.science/pith/XRJAPQABKFZEPXGCJ2ZDKVHSNI/bundle.json","state":"https://pith.science/pith/XRJAPQABKFZEPXGCJ2ZDKVHSNI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XRJAPQABKFZEPXGCJ2ZDKVHSNI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XRJAPQABKFZEPXGCJ2ZDKVHSNI","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":"a2a23c8cd2fd85c383166e12135fdd63d44644ad12e94a58b9619bf190b78219","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-03-08T17:58:57Z","title_canon_sha256":"3c2129ff53cde24fd348b84bfb27b42921d8fd41241bfce92ff0fb973d8e3cf8"},"schema_version":"1.0","source":{"id":"1603.02606","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02606","created_at":"2026-05-18T01:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02606v2","created_at":"2026-05-18T01:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02606","created_at":"2026-05-18T01:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"XRJAPQABKFZE","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XRJAPQABKFZEPXGC","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XRJAPQAB","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:f5896146ac21f44b8ae11e7cb64690e9e0b0a43481f005f08f545c2684f6c6a0","target":"graph","created_at":"2026-05-18T01:04:37Z","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 show that the Planck 2015 and BICEP2/KECK measurements of the Cosmic Microwave Background (CMB) anisotropies provide together an information gain of 0.82 +- 0.13 bits on the reheating history over all slow-roll single-field models of inflation. This corresponds to a 40% improvement compared to the Planck 2013 constraints on the reheating. Our method relies on an exhaustive CMB data analysis performed over nearly 200 models of inflation to derive the Kullback-Leibler entropy between the prior and the fully marginalized posterior of the reheating parameter. This number is a weighted average b","authors_text":"Christophe Ringeval, Jerome Martin, Vincent Vennin","cross_cats":["gr-qc","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-03-08T17:58:57Z","title":"Information Gain on Reheating: the One Bit Milestone"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02606","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":"sha256:367166b3bbee4b698ae0ad9753b0fd2e05ef507eab7e9d730dc65172b86a5cfc","target":"record","created_at":"2026-05-18T01:04:37Z","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":"a2a23c8cd2fd85c383166e12135fdd63d44644ad12e94a58b9619bf190b78219","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-03-08T17:58:57Z","title_canon_sha256":"3c2129ff53cde24fd348b84bfb27b42921d8fd41241bfce92ff0fb973d8e3cf8"},"schema_version":"1.0","source":{"id":"1603.02606","kind":"arxiv","version":2}},"canonical_sha256":"bc5207c001517247dcc24eb23554f26a25c2c683e42bf2b3a842de1c05d2f929","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc5207c001517247dcc24eb23554f26a25c2c683e42bf2b3a842de1c05d2f929","first_computed_at":"2026-05-18T01:04:37.515328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:37.515328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ItIUi0M/+NqmTG3180aUBP5gmufFz4DG80ZuXZW8UQqn9fJrBOU6ynDgPylqXTxYRag4CI4vnOWB+b/iha8wCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:37.516111Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.02606","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:367166b3bbee4b698ae0ad9753b0fd2e05ef507eab7e9d730dc65172b86a5cfc","sha256:f5896146ac21f44b8ae11e7cb64690e9e0b0a43481f005f08f545c2684f6c6a0"],"state_sha256":"5a27ce34d4802fd2f96a06b64a9d7a200d8316bfb4e79410f633d8a1774d5003"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qjh8ZXPLzkTJdPocQNgtki16NnolZwPKomri6azjKwtvitmY/6+RxWiyCzq0WB2KERnk8ktEtLAUxvlgkQ2gCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:04:23.813000Z","bundle_sha256":"a4fc66012926ee55000d528b5e4db50b62b97173404b2870482c87da74919fcb"}}