{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:IONBGSYILTK4HXYXHBI3VUQFSL","short_pith_number":"pith:IONBGSYI","canonical_record":{"source":{"id":"1907.03150","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-07-06T16:13:18Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"68e4ca6e414b5a22f9aee61b33f6c984149ddac21cf45e8923d83503e1fe66b5","abstract_canon_sha256":"d30a05e9a17f03fc159cb807730bbf8589f9d396f177e248ac9af133a2ee95ee"},"schema_version":"1.0"},"canonical_sha256":"439a134b085cd5c3df173851bad20592e8b3d9f91faaaa10f520daf87240609e","source":{"kind":"arxiv","id":"1907.03150","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.03150","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"arxiv_version","alias_value":"1907.03150v2","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.03150","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"pith_short_12","alias_value":"IONBGSYILTK4","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"pith_short_16","alias_value":"IONBGSYILTK4HXYX","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"pith_short_8","alias_value":"IONBGSYI","created_at":"2026-07-05T01:08:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:IONBGSYILTK4HXYXHBI3VUQFSL","target":"record","payload":{"canonical_record":{"source":{"id":"1907.03150","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-07-06T16:13:18Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"68e4ca6e414b5a22f9aee61b33f6c984149ddac21cf45e8923d83503e1fe66b5","abstract_canon_sha256":"d30a05e9a17f03fc159cb807730bbf8589f9d396f177e248ac9af133a2ee95ee"},"schema_version":"1.0"},"canonical_sha256":"439a134b085cd5c3df173851bad20592e8b3d9f91faaaa10f520daf87240609e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:08:23.953693Z","signature_b64":"M6N5yLa6v3aCQGoWHGB5tJs8+5Qu7aGB4sI+WkoRSaxypvKZYLBwRLxiQ6XEv55gRBzxzdpZgAEtGgsEnk6FAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"439a134b085cd5c3df173851bad20592e8b3d9f91faaaa10f520daf87240609e","last_reissued_at":"2026-07-05T01:08:23.953255Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:08:23.953255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.03150","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":"2026-07-05T01:08:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gk6yfRqNkKtIPnkkPhFW+ilguEc0Y0ODoUB17bqV2VKkbwXFuWTOvTyl4z/GD/TBdMc83wj9q/0fVH1jzZCQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:05:05.759075Z"},"content_sha256":"181c2549b19d6e4b2cb1ef64b47234ea87acdfa7ddcf837d54fba230dc839215","schema_version":"1.0","event_id":"sha256:181c2549b19d6e4b2cb1ef64b47234ea87acdfa7ddcf837d54fba230dc839215"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:IONBGSYILTK4HXYXHBI3VUQFSL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effective Field Theory of Dark Energy: a Review","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Louis Perenon, Noemi Frusciante","submitted_at":"2019-07-06T16:13:18Z","abstract_excerpt":"The discovery of cosmic acceleration has triggered a consistent body of theoretical work aimed at modeling its phenomenology and understanding its fundamental physical nature. In recent years, a powerful formalism that accomplishes both these goals has been developed, the so-called effective field theory of dark energy. It can capture the behavior of a wide class of modified gravity theories and classify them according to the imprints they leave on the smooth background expansion history of the Universe and on the evolution of linear perturbations. The effective field theory of dark energy is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.03150","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1907.03150/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:08:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KcXTZbrGGeH0IJNI48VDunnhm6spIDiKUGP3SL+ZZh1uPl628sT1qudY9l2ncKeYCJzUPxbwSujXlvXcfdMfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:05:05.760024Z"},"content_sha256":"bf18bfaf7cfcfc262813b59944ff23b819a4ed7bee1ebdace810c890487fd82b","schema_version":"1.0","event_id":"sha256:bf18bfaf7cfcfc262813b59944ff23b819a4ed7bee1ebdace810c890487fd82b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IONBGSYILTK4HXYXHBI3VUQFSL/bundle.json","state_url":"https://pith.science/pith/IONBGSYILTK4HXYXHBI3VUQFSL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IONBGSYILTK4HXYXHBI3VUQFSL/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":"2026-08-05T02:05:05Z","links":{"resolver":"https://pith.science/pith/IONBGSYILTK4HXYXHBI3VUQFSL","bundle":"https://pith.science/pith/IONBGSYILTK4HXYXHBI3VUQFSL/bundle.json","state":"https://pith.science/pith/IONBGSYILTK4HXYXHBI3VUQFSL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IONBGSYILTK4HXYXHBI3VUQFSL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:IONBGSYILTK4HXYXHBI3VUQFSL","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":"d30a05e9a17f03fc159cb807730bbf8589f9d396f177e248ac9af133a2ee95ee","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-07-06T16:13:18Z","title_canon_sha256":"68e4ca6e414b5a22f9aee61b33f6c984149ddac21cf45e8923d83503e1fe66b5"},"schema_version":"1.0","source":{"id":"1907.03150","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.03150","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"arxiv_version","alias_value":"1907.03150v2","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.03150","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"pith_short_12","alias_value":"IONBGSYILTK4","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"pith_short_16","alias_value":"IONBGSYILTK4HXYX","created_at":"2026-07-05T01:08:23Z"},{"alias_kind":"pith_short_8","alias_value":"IONBGSYI","created_at":"2026-07-05T01:08:23Z"}],"graph_snapshots":[{"event_id":"sha256:bf18bfaf7cfcfc262813b59944ff23b819a4ed7bee1ebdace810c890487fd82b","target":"graph","created_at":"2026-07-05T01:08:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1907.03150/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The discovery of cosmic acceleration has triggered a consistent body of theoretical work aimed at modeling its phenomenology and understanding its fundamental physical nature. In recent years, a powerful formalism that accomplishes both these goals has been developed, the so-called effective field theory of dark energy. It can capture the behavior of a wide class of modified gravity theories and classify them according to the imprints they leave on the smooth background expansion history of the Universe and on the evolution of linear perturbations. The effective field theory of dark energy is ","authors_text":"Louis Perenon, Noemi Frusciante","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-07-06T16:13:18Z","title":"Effective Field Theory of Dark Energy: a Review"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.03150","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":"sha256:181c2549b19d6e4b2cb1ef64b47234ea87acdfa7ddcf837d54fba230dc839215","target":"record","created_at":"2026-07-05T01:08:23Z","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":"d30a05e9a17f03fc159cb807730bbf8589f9d396f177e248ac9af133a2ee95ee","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-07-06T16:13:18Z","title_canon_sha256":"68e4ca6e414b5a22f9aee61b33f6c984149ddac21cf45e8923d83503e1fe66b5"},"schema_version":"1.0","source":{"id":"1907.03150","kind":"arxiv","version":2}},"canonical_sha256":"439a134b085cd5c3df173851bad20592e8b3d9f91faaaa10f520daf87240609e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"439a134b085cd5c3df173851bad20592e8b3d9f91faaaa10f520daf87240609e","first_computed_at":"2026-07-05T01:08:23.953255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:08:23.953255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M6N5yLa6v3aCQGoWHGB5tJs8+5Qu7aGB4sI+WkoRSaxypvKZYLBwRLxiQ6XEv55gRBzxzdpZgAEtGgsEnk6FAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:08:23.953693Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.03150","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:181c2549b19d6e4b2cb1ef64b47234ea87acdfa7ddcf837d54fba230dc839215","sha256:bf18bfaf7cfcfc262813b59944ff23b819a4ed7bee1ebdace810c890487fd82b"],"state_sha256":"1d73b6ef083d9d4ff4fe37dc9999d032e79bf47ae79baf6cee2f4f41769d0876"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W7a4DibyBaKWRFl1PFXKDxl/AuSZg2i3qdHcGgZVmpR55xsj8oKbtbSdFvYxGc5xI2huUUuyrf57DShxZ/4EAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T02:05:05.766809Z","bundle_sha256":"43e0e8b8e31815411ce6842d82cdeb9e92ac61908703c68edf9e0cf1d67cf847"}}