{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:6ALOILBZ7A7TJ7RL4KCVFEMKBR","short_pith_number":"pith:6ALOILBZ","schema_version":"1.0","canonical_sha256":"f016e42c39f83f34fe2be28552918a0c43de114901c1d8f1132b8d223eb46646","source":{"kind":"arxiv","id":"2406.12576","version":2},"attestation_state":"computed","paper":{"title":"Dark energy with a shift-symmetric scalar field: obstacles, loophole hunting and dead ends","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Mariam Bouhmadi-L\\'opez, Prado Mart\\'in-Moruno, Teodor Borislavov Vasilev","submitted_at":"2024-06-18T13:03:18Z","abstract_excerpt":"We discuss the possibility of a scalar field being the fundamental description of dark energy. We focus on shift-symmetric scalar-tensor theories since this symmetry potentially avoids some fine-tuning problems. We also restrict attention to theories satisfying that the propagation speed of gravitational waves is equal to the speed of light. These considerations lead us to investigate shift-symmetric Kinetic Gravity Braiding theories. Analysing the stability of scalar linear perturbations, we discuss the conditions that seems to be necessary to describe (super) accelerated cosmic expansion wit"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2406.12576","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-18T13:03:18Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"63cc2c528a63bb244b08fde537c67db7d08a07256fc9fd980862345f26a24acd","abstract_canon_sha256":"8e6e6804039b86d7762a86da46ef705b2a66a09dad995d2eb5d853e6623a58e1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:15:33.952624Z","signature_b64":"BKPu7ox2feIjT5pnRmGFHlL3fTDC1xQ1a8BszsdUH9SquPbivXJc8/HghMBk323VDEbqq7bJi/5dGGOfgZWpCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f016e42c39f83f34fe2be28552918a0c43de114901c1d8f1132b8d223eb46646","last_reissued_at":"2026-07-05T09:15:33.952122Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:15:33.952122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dark energy with a shift-symmetric scalar field: obstacles, loophole hunting and dead ends","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Mariam Bouhmadi-L\\'opez, Prado Mart\\'in-Moruno, Teodor Borislavov Vasilev","submitted_at":"2024-06-18T13:03:18Z","abstract_excerpt":"We discuss the possibility of a scalar field being the fundamental description of dark energy. We focus on shift-symmetric scalar-tensor theories since this symmetry potentially avoids some fine-tuning problems. We also restrict attention to theories satisfying that the propagation speed of gravitational waves is equal to the speed of light. These considerations lead us to investigate shift-symmetric Kinetic Gravity Braiding theories. Analysing the stability of scalar linear perturbations, we discuss the conditions that seems to be necessary to describe (super) accelerated cosmic expansion wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.12576","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/2406.12576/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2406.12576","created_at":"2026-07-05T09:15:33.952188+00:00"},{"alias_kind":"arxiv_version","alias_value":"2406.12576v2","created_at":"2026-07-05T09:15:33.952188+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.12576","created_at":"2026-07-05T09:15:33.952188+00:00"},{"alias_kind":"pith_short_12","alias_value":"6ALOILBZ7A7T","created_at":"2026-07-05T09:15:33.952188+00:00"},{"alias_kind":"pith_short_16","alias_value":"6ALOILBZ7A7TJ7RL","created_at":"2026-07-05T09:15:33.952188+00:00"},{"alias_kind":"pith_short_8","alias_value":"6ALOILBZ","created_at":"2026-07-05T09:15:33.952188+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.27441","citing_title":"Collider Probes of Dark Energy Microphysics","ref_index":97,"is_internal_anchor":false},{"citing_arxiv_id":"2602.12347","citing_title":"Sign-Switching Dark Energy: Smooth Transitions with Recent DESI DR2 Observations","ref_index":43,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR","json":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR.json","graph_json":"https://pith.science/api/pith-number/6ALOILBZ7A7TJ7RL4KCVFEMKBR/graph.json","events_json":"https://pith.science/api/pith-number/6ALOILBZ7A7TJ7RL4KCVFEMKBR/events.json","paper":"https://pith.science/paper/6ALOILBZ"},"agent_actions":{"view_html":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR","download_json":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR.json","view_paper":"https://pith.science/paper/6ALOILBZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2406.12576&json=true","fetch_graph":"https://pith.science/api/pith-number/6ALOILBZ7A7TJ7RL4KCVFEMKBR/graph.json","fetch_events":"https://pith.science/api/pith-number/6ALOILBZ7A7TJ7RL4KCVFEMKBR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR/action/storage_attestation","attest_author":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR/action/author_attestation","sign_citation":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR/action/citation_signature","submit_replication":"https://pith.science/pith/6ALOILBZ7A7TJ7RL4KCVFEMKBR/action/replication_record"}},"created_at":"2026-07-05T09:15:33.952188+00:00","updated_at":"2026-07-05T09:15:33.952188+00:00"}