{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:37PC6LW6PRWL3PYYCQGNIDAQWN","short_pith_number":"pith:37PC6LW6","canonical_record":{"source":{"id":"1911.12374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-27T19:00:12Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"fa50148f2de05cafb8d2ae33bf73f9de876b3bfc4cccbab82c81a436b6fe993e","abstract_canon_sha256":"b10f91b3949f9499ed78c91e345d3213c7bf41b7bda934a86b3874159f6eec71"},"schema_version":"1.0"},"canonical_sha256":"dfde2f2ede7c6cbdbf18140cd40c10b369f0dd2433fedda5d8db22ca06b979b9","source":{"kind":"arxiv","id":"1911.12374","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.12374","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"arxiv_version","alias_value":"1911.12374v2","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.12374","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"pith_short_12","alias_value":"37PC6LW6PRWL","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"pith_short_16","alias_value":"37PC6LW6PRWL3PYY","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"pith_short_8","alias_value":"37PC6LW6","created_at":"2026-07-05T00:42:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:37PC6LW6PRWL3PYYCQGNIDAQWN","target":"record","payload":{"canonical_record":{"source":{"id":"1911.12374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-27T19:00:12Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"fa50148f2de05cafb8d2ae33bf73f9de876b3bfc4cccbab82c81a436b6fe993e","abstract_canon_sha256":"b10f91b3949f9499ed78c91e345d3213c7bf41b7bda934a86b3874159f6eec71"},"schema_version":"1.0"},"canonical_sha256":"dfde2f2ede7c6cbdbf18140cd40c10b369f0dd2433fedda5d8db22ca06b979b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:42:53.526150Z","signature_b64":"gJ4Bs+Kc8ZIrv3vgYgNm4vzKAe4SxM1muQjgpqo9oXCerjPsPBsi+Llv0FrEq87UxdMrlriYkAXGBw7/u9kfAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfde2f2ede7c6cbdbf18140cd40c10b369f0dd2433fedda5d8db22ca06b979b9","last_reissued_at":"2026-07-05T00:42:53.525670Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:42:53.525670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.12374","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":"2026-07-05T00:42:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4H591ks6X5V0zgS1O8UkSmGovk09nx3wV55kmQRvr57s3iuI1WVNHLivgHCtUHXFlVkoRZwxXJg/olH2jT7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T05:11:07.394754Z"},"content_sha256":"d142e8a44b0bd2c51ce7f1ef0b15b55161675acda4858eb994ac68b8d57faf71","schema_version":"1.0","event_id":"sha256:d142e8a44b0bd2c51ce7f1ef0b15b55161675acda4858eb994ac68b8d57faf71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:37PC6LW6PRWL3PYYCQGNIDAQWN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Do we have any hope of detecting scattering between dark energy and baryons through cosmology?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph"],"primary_cat":"gr-qc","authors_text":"David F. Mota, Luca Visinelli, Olga Mena, Sunny Vagnozzi","submitted_at":"2019-11-27T19:00:12Z","abstract_excerpt":"We consider the possibility that dark energy and baryons might scatter off each other. The type of interaction we consider leads to a pure momentum exchange, and does not affect the background evolution of the expansion history. We parametrize this interaction in an effective way at the level of Boltzmann equations. We compute the effect of dark energy-baryon scattering on cosmological observables, focusing on the Cosmic Microwave Background (CMB) temperature anisotropy power spectrum and the matter power spectrum. Surprisingly, we find that even huge dark energy-baryon cross-sections $\\sigma_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.12374","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/1911.12374/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":"2026-07-05T00:42:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"asD218G5gXiZ3qFG98LzJt/66TZVDos1/vY6DFANXjhmSAEN0fxzJe7ous12QTTbD2V96Hl5i5HSns2sp1/pAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T05:11:07.396443Z"},"content_sha256":"a310b4a9ad5c1741992fb87b015a3cda9ef68a56eaa4dd3ab1dd4ff4c7cbdce5","schema_version":"1.0","event_id":"sha256:a310b4a9ad5c1741992fb87b015a3cda9ef68a56eaa4dd3ab1dd4ff4c7cbdce5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/37PC6LW6PRWL3PYYCQGNIDAQWN/bundle.json","state_url":"https://pith.science/pith/37PC6LW6PRWL3PYYCQGNIDAQWN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/37PC6LW6PRWL3PYYCQGNIDAQWN/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":"2026-08-02T05:11:07Z","links":{"resolver":"https://pith.science/pith/37PC6LW6PRWL3PYYCQGNIDAQWN","bundle":"https://pith.science/pith/37PC6LW6PRWL3PYYCQGNIDAQWN/bundle.json","state":"https://pith.science/pith/37PC6LW6PRWL3PYYCQGNIDAQWN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/37PC6LW6PRWL3PYYCQGNIDAQWN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:37PC6LW6PRWL3PYYCQGNIDAQWN","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":"b10f91b3949f9499ed78c91e345d3213c7bf41b7bda934a86b3874159f6eec71","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-27T19:00:12Z","title_canon_sha256":"fa50148f2de05cafb8d2ae33bf73f9de876b3bfc4cccbab82c81a436b6fe993e"},"schema_version":"1.0","source":{"id":"1911.12374","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.12374","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"arxiv_version","alias_value":"1911.12374v2","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.12374","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"pith_short_12","alias_value":"37PC6LW6PRWL","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"pith_short_16","alias_value":"37PC6LW6PRWL3PYY","created_at":"2026-07-05T00:42:53Z"},{"alias_kind":"pith_short_8","alias_value":"37PC6LW6","created_at":"2026-07-05T00:42:53Z"}],"graph_snapshots":[{"event_id":"sha256:a310b4a9ad5c1741992fb87b015a3cda9ef68a56eaa4dd3ab1dd4ff4c7cbdce5","target":"graph","created_at":"2026-07-05T00:42:53Z","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/1911.12374/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the possibility that dark energy and baryons might scatter off each other. The type of interaction we consider leads to a pure momentum exchange, and does not affect the background evolution of the expansion history. We parametrize this interaction in an effective way at the level of Boltzmann equations. We compute the effect of dark energy-baryon scattering on cosmological observables, focusing on the Cosmic Microwave Background (CMB) temperature anisotropy power spectrum and the matter power spectrum. Surprisingly, we find that even huge dark energy-baryon cross-sections $\\sigma_","authors_text":"David F. Mota, Luca Visinelli, Olga Mena, Sunny Vagnozzi","cross_cats":["astro-ph.CO","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-27T19:00:12Z","title":"Do we have any hope of detecting scattering between dark energy and baryons through cosmology?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.12374","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:d142e8a44b0bd2c51ce7f1ef0b15b55161675acda4858eb994ac68b8d57faf71","target":"record","created_at":"2026-07-05T00:42:53Z","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":"b10f91b3949f9499ed78c91e345d3213c7bf41b7bda934a86b3874159f6eec71","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-27T19:00:12Z","title_canon_sha256":"fa50148f2de05cafb8d2ae33bf73f9de876b3bfc4cccbab82c81a436b6fe993e"},"schema_version":"1.0","source":{"id":"1911.12374","kind":"arxiv","version":2}},"canonical_sha256":"dfde2f2ede7c6cbdbf18140cd40c10b369f0dd2433fedda5d8db22ca06b979b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfde2f2ede7c6cbdbf18140cd40c10b369f0dd2433fedda5d8db22ca06b979b9","first_computed_at":"2026-07-05T00:42:53.525670Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:42:53.525670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gJ4Bs+Kc8ZIrv3vgYgNm4vzKAe4SxM1muQjgpqo9oXCerjPsPBsi+Llv0FrEq87UxdMrlriYkAXGBw7/u9kfAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:42:53.526150Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.12374","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d142e8a44b0bd2c51ce7f1ef0b15b55161675acda4858eb994ac68b8d57faf71","sha256:a310b4a9ad5c1741992fb87b015a3cda9ef68a56eaa4dd3ab1dd4ff4c7cbdce5"],"state_sha256":"3517c527edcc9e68f06d8358240439229c975751636087c29c0b5a10326a5f99"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kVIHooRCAwZpb5EI3ghE34ccXVnG+YdonS4PVOLxiUafX6zMrKet+Vgxoqzt1XHcTQSCgbJSdJK5D4sGUQ9WAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T05:11:07.402008Z","bundle_sha256":"8966776c5f468a6af4b1811be067aa3da23903508a092a264e7df69ae65e58c7"}}