{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:APZLQAQ6CFW4G77U25ORY7XCGJ","short_pith_number":"pith:APZLQAQ6","canonical_record":{"source":{"id":"1905.08524","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-21T09:57:13Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"6ebd62a9251588666802db059b71b718d3fbd80593ee74481e47f9cf67a22a37","abstract_canon_sha256":"c35ae0daddcb0360a0cf3cda3afca1c366d92b424ecf1598acf3b1bdc4204bc6"},"schema_version":"1.0"},"canonical_sha256":"03f2b8021e116dc37ff4d75d1c7ee23252ca770e34c77ac83744591eac44b64c","source":{"kind":"arxiv","id":"1905.08524","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08524","created_at":"2026-05-17T23:45:42Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08524v1","created_at":"2026-05-17T23:45:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08524","created_at":"2026-05-17T23:45:42Z"},{"alias_kind":"pith_short_12","alias_value":"APZLQAQ6CFW4","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"APZLQAQ6CFW4G77U","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"APZLQAQ6","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:APZLQAQ6CFW4G77U25ORY7XCGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1905.08524","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-21T09:57:13Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"6ebd62a9251588666802db059b71b718d3fbd80593ee74481e47f9cf67a22a37","abstract_canon_sha256":"c35ae0daddcb0360a0cf3cda3afca1c366d92b424ecf1598acf3b1bdc4204bc6"},"schema_version":"1.0"},"canonical_sha256":"03f2b8021e116dc37ff4d75d1c7ee23252ca770e34c77ac83744591eac44b64c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:42.949119Z","signature_b64":"3EdhosQm9yNTOjhENMK3X6T7gnpPOBUS8KUzeBmSO/kHWnF08xQj427+flyHDPjDnbHgCRUOf364p81BH98hDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03f2b8021e116dc37ff4d75d1c7ee23252ca770e34c77ac83744591eac44b64c","last_reissued_at":"2026-05-17T23:45:42.948402Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:42.948402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.08524","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":"2026-05-17T23:45:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1VAUOHU0/omOueCRIQBZaLaFGYZT/VxnN5IrA3CWUfuF6B4LUJh9Nr5uyWbxiuZxOZsfaY6u6+QDCTND4ZWfDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:02:00.501646Z"},"content_sha256":"f82b8c2a56f5d90532a8bfb4966c9e62a8c35225ba6e737663a8a0c17b6393fc","schema_version":"1.0","event_id":"sha256:f82b8c2a56f5d90532a8bfb4966c9e62a8c35225ba6e737663a8a0c17b6393fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:APZLQAQ6CFW4G77U25ORY7XCGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Violation of the equivalence principle from light scalar fields: from Dark Matter candidates to scalarized black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","hep-ph"],"primary_cat":"gr-qc","authors_text":"A. Hees, B. Roberts, E. Savalle, O. Minazzoli, P. Wolf, Y. V. Stadnik","submitted_at":"2019-05-21T09:57:13Z","abstract_excerpt":"Tensor-scalar theory is a wide class of alternative theory of gravitation that can be motivated by higher dimensional theories, by models of dark matter or dark ernergy. In the general case, the scalar field will couple non-universally to matter producing a violation of the equivalence principle. In this communication, we review a microscopic model of scalar/matter coupling and its observable consequences in terms of universality of free fall, of frequencies comparison and of redshifts tests. We then focus on two models: (i) a model of ultralight scalar dark matter and (ii) a model of scalariz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08524","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":"2026-05-17T23:45:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OxV/ilQ48+GsTF7zwXglde2tysayu0rH2x9pQvCs1DfIwDbJz38BTpt9dZXV58H7oXburyTSLVSoI8Yxt9rjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:02:00.502108Z"},"content_sha256":"ecb1f9b79cb0afa4a13d15eb2df6b65de13b83a0a985acdb5d2e1927b8149890","schema_version":"1.0","event_id":"sha256:ecb1f9b79cb0afa4a13d15eb2df6b65de13b83a0a985acdb5d2e1927b8149890"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/APZLQAQ6CFW4G77U25ORY7XCGJ/bundle.json","state_url":"https://pith.science/pith/APZLQAQ6CFW4G77U25ORY7XCGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/APZLQAQ6CFW4G77U25ORY7XCGJ/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":"2026-08-08T17:02:00Z","links":{"resolver":"https://pith.science/pith/APZLQAQ6CFW4G77U25ORY7XCGJ","bundle":"https://pith.science/pith/APZLQAQ6CFW4G77U25ORY7XCGJ/bundle.json","state":"https://pith.science/pith/APZLQAQ6CFW4G77U25ORY7XCGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/APZLQAQ6CFW4G77U25ORY7XCGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:APZLQAQ6CFW4G77U25ORY7XCGJ","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":"c35ae0daddcb0360a0cf3cda3afca1c366d92b424ecf1598acf3b1bdc4204bc6","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-21T09:57:13Z","title_canon_sha256":"6ebd62a9251588666802db059b71b718d3fbd80593ee74481e47f9cf67a22a37"},"schema_version":"1.0","source":{"id":"1905.08524","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08524","created_at":"2026-05-17T23:45:42Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08524v1","created_at":"2026-05-17T23:45:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08524","created_at":"2026-05-17T23:45:42Z"},{"alias_kind":"pith_short_12","alias_value":"APZLQAQ6CFW4","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"APZLQAQ6CFW4G77U","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"APZLQAQ6","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:ecb1f9b79cb0afa4a13d15eb2df6b65de13b83a0a985acdb5d2e1927b8149890","target":"graph","created_at":"2026-05-17T23:45:42Z","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":"Tensor-scalar theory is a wide class of alternative theory of gravitation that can be motivated by higher dimensional theories, by models of dark matter or dark ernergy. In the general case, the scalar field will couple non-universally to matter producing a violation of the equivalence principle. In this communication, we review a microscopic model of scalar/matter coupling and its observable consequences in terms of universality of free fall, of frequencies comparison and of redshifts tests. We then focus on two models: (i) a model of ultralight scalar dark matter and (ii) a model of scalariz","authors_text":"A. Hees, B. Roberts, E. Savalle, O. Minazzoli, P. Wolf, Y. V. Stadnik","cross_cats":["astro-ph.GA","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-21T09:57:13Z","title":"Violation of the equivalence principle from light scalar fields: from Dark Matter candidates to scalarized black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08524","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:f82b8c2a56f5d90532a8bfb4966c9e62a8c35225ba6e737663a8a0c17b6393fc","target":"record","created_at":"2026-05-17T23:45:42Z","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":"c35ae0daddcb0360a0cf3cda3afca1c366d92b424ecf1598acf3b1bdc4204bc6","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-21T09:57:13Z","title_canon_sha256":"6ebd62a9251588666802db059b71b718d3fbd80593ee74481e47f9cf67a22a37"},"schema_version":"1.0","source":{"id":"1905.08524","kind":"arxiv","version":1}},"canonical_sha256":"03f2b8021e116dc37ff4d75d1c7ee23252ca770e34c77ac83744591eac44b64c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03f2b8021e116dc37ff4d75d1c7ee23252ca770e34c77ac83744591eac44b64c","first_computed_at":"2026-05-17T23:45:42.948402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:42.948402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3EdhosQm9yNTOjhENMK3X6T7gnpPOBUS8KUzeBmSO/kHWnF08xQj427+flyHDPjDnbHgCRUOf364p81BH98hDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:42.949119Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.08524","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f82b8c2a56f5d90532a8bfb4966c9e62a8c35225ba6e737663a8a0c17b6393fc","sha256:ecb1f9b79cb0afa4a13d15eb2df6b65de13b83a0a985acdb5d2e1927b8149890"],"state_sha256":"eae849666c3ff763f67b706af2b74dfff486527157e7d3807c44c36bd1ca7e5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4mAumpiLugRK0w55ksT6XfDLx0GxWJlAQelG/SXQdKHiIzfSKmzdi/URf5XBidl72xfZUXMtvBiWbsxKEhnTBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T17:02:00.507090Z","bundle_sha256":"16ffda850a715f5b30c9925b58bea47e71925c57d01956881cef09450b32dfaa"}}