{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:JO5LHJV4JMS52ENQV3J4UG3ISI","short_pith_number":"pith:JO5LHJV4","canonical_record":{"source":{"id":"2207.00267","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-01T08:43:28Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"7a894af5e0426eb421d1bb70ababa09a00cbc4d1c46fbdceae88969e8f64d438","abstract_canon_sha256":"20e17c32d729353424d68eba10012ed1274decebb907dec7693b1b613e976d4c"},"schema_version":"1.0"},"canonical_sha256":"4bbab3a6bc4b25dd11b0aed3ca1b6892116cbbc725219d87ccd13c014fb06e36","source":{"kind":"arxiv","id":"2207.00267","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.00267","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"arxiv_version","alias_value":"2207.00267v3","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.00267","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"pith_short_12","alias_value":"JO5LHJV4JMS5","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"pith_short_16","alias_value":"JO5LHJV4JMS52ENQ","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"pith_short_8","alias_value":"JO5LHJV4","created_at":"2026-07-05T05:10:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:JO5LHJV4JMS52ENQV3J4UG3ISI","target":"record","payload":{"canonical_record":{"source":{"id":"2207.00267","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-01T08:43:28Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"7a894af5e0426eb421d1bb70ababa09a00cbc4d1c46fbdceae88969e8f64d438","abstract_canon_sha256":"20e17c32d729353424d68eba10012ed1274decebb907dec7693b1b613e976d4c"},"schema_version":"1.0"},"canonical_sha256":"4bbab3a6bc4b25dd11b0aed3ca1b6892116cbbc725219d87ccd13c014fb06e36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:10:04.800615Z","signature_b64":"JASyh2BDj868z5loxPE7PCdP2i0ptDCQ9ZcFU4c9YTLhINOpUT1KwLuS/TkV5wYiYP4PJTFwGpiiEU6ML8c2Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bbab3a6bc4b25dd11b0aed3ca1b6892116cbbc725219d87ccd13c014fb06e36","last_reissued_at":"2026-07-05T05:10:04.800106Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:10:04.800106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.00267","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:10:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Wxb2MvNiQt5A41kyTrt6byveaGkA+ykAiVYetZBuJvLsC7yDC2/ikpYCBzDIXyMmZk6OiLT0fjdEo4Wdt/GCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T20:49:52.558459Z"},"content_sha256":"009c062b5bfcea68dc2dea49c976a75d601fe196c7414f983ad31d02e5b1386b","schema_version":"1.0","event_id":"sha256:009c062b5bfcea68dc2dea49c976a75d601fe196c7414f983ad31d02e5b1386b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:JO5LHJV4JMS52ENQV3J4UG3ISI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Initial conditions for the scalaron dark matter","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Yuri Shtanov","submitted_at":"2022-07-01T08:43:28Z","abstract_excerpt":"The scalaron of the metric $f(R)$ gravity can constitute dark matter if its mass is in the range $4\\,\\text{meV} \\lesssim m \\lesssim 1\\,\\text{MeV}$. We give an overview of such $f (R)$ gravity theory minimally coupled to the Standard Model. Similarly to other dark-matter models based on scalar fields, this model has the issue of initial conditions. Firstly, the initial conditions for the scalaron are to be tuned in order to produce the observed amount of dark matter. Secondly, the primordial spatial inhomogeneities in the field are to be sufficiently small because they generate entropy (or isoc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.00267","kind":"arxiv","version":3},"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/2207.00267/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":"2026-07-05T05:10:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F3zxzY009OOtornrANRUj/Ldg0Nja4QXFkXZKJhmOp4bkNTO2O8qlgwx57udgAM4hRMyZKHxCcszvIZPh3cKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T20:49:52.558953Z"},"content_sha256":"616e2006230a01bbf3fcd8dd602a6525bda71c8344f25c91a23d2e13dcc78650","schema_version":"1.0","event_id":"sha256:616e2006230a01bbf3fcd8dd602a6525bda71c8344f25c91a23d2e13dcc78650"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JO5LHJV4JMS52ENQV3J4UG3ISI/bundle.json","state_url":"https://pith.science/pith/JO5LHJV4JMS52ENQV3J4UG3ISI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JO5LHJV4JMS52ENQV3J4UG3ISI/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":"2026-08-17T20:49:52Z","links":{"resolver":"https://pith.science/pith/JO5LHJV4JMS52ENQV3J4UG3ISI","bundle":"https://pith.science/pith/JO5LHJV4JMS52ENQV3J4UG3ISI/bundle.json","state":"https://pith.science/pith/JO5LHJV4JMS52ENQV3J4UG3ISI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JO5LHJV4JMS52ENQV3J4UG3ISI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JO5LHJV4JMS52ENQV3J4UG3ISI","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":"20e17c32d729353424d68eba10012ed1274decebb907dec7693b1b613e976d4c","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-01T08:43:28Z","title_canon_sha256":"7a894af5e0426eb421d1bb70ababa09a00cbc4d1c46fbdceae88969e8f64d438"},"schema_version":"1.0","source":{"id":"2207.00267","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.00267","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"arxiv_version","alias_value":"2207.00267v3","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.00267","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"pith_short_12","alias_value":"JO5LHJV4JMS5","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"pith_short_16","alias_value":"JO5LHJV4JMS52ENQ","created_at":"2026-07-05T05:10:04Z"},{"alias_kind":"pith_short_8","alias_value":"JO5LHJV4","created_at":"2026-07-05T05:10:04Z"}],"graph_snapshots":[{"event_id":"sha256:616e2006230a01bbf3fcd8dd602a6525bda71c8344f25c91a23d2e13dcc78650","target":"graph","created_at":"2026-07-05T05:10:04Z","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/2207.00267/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The scalaron of the metric $f(R)$ gravity can constitute dark matter if its mass is in the range $4\\,\\text{meV} \\lesssim m \\lesssim 1\\,\\text{MeV}$. We give an overview of such $f (R)$ gravity theory minimally coupled to the Standard Model. Similarly to other dark-matter models based on scalar fields, this model has the issue of initial conditions. Firstly, the initial conditions for the scalaron are to be tuned in order to produce the observed amount of dark matter. Secondly, the primordial spatial inhomogeneities in the field are to be sufficiently small because they generate entropy (or isoc","authors_text":"Yuri Shtanov","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-01T08:43:28Z","title":"Initial conditions for the scalaron dark matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.00267","kind":"arxiv","version":3},"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":"sha256:009c062b5bfcea68dc2dea49c976a75d601fe196c7414f983ad31d02e5b1386b","target":"record","created_at":"2026-07-05T05:10:04Z","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":"20e17c32d729353424d68eba10012ed1274decebb907dec7693b1b613e976d4c","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-01T08:43:28Z","title_canon_sha256":"7a894af5e0426eb421d1bb70ababa09a00cbc4d1c46fbdceae88969e8f64d438"},"schema_version":"1.0","source":{"id":"2207.00267","kind":"arxiv","version":3}},"canonical_sha256":"4bbab3a6bc4b25dd11b0aed3ca1b6892116cbbc725219d87ccd13c014fb06e36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bbab3a6bc4b25dd11b0aed3ca1b6892116cbbc725219d87ccd13c014fb06e36","first_computed_at":"2026-07-05T05:10:04.800106Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:10:04.800106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JASyh2BDj868z5loxPE7PCdP2i0ptDCQ9ZcFU4c9YTLhINOpUT1KwLuS/TkV5wYiYP4PJTFwGpiiEU6ML8c2Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:10:04.800615Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.00267","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:009c062b5bfcea68dc2dea49c976a75d601fe196c7414f983ad31d02e5b1386b","sha256:616e2006230a01bbf3fcd8dd602a6525bda71c8344f25c91a23d2e13dcc78650"],"state_sha256":"4907be5e79131b615cfa187ca65d87d26d20bc3ad096b74e02097d6a24d80d44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vSLiZi31YLXHaAAQ/Yl+XeYawxHaMOWu2G21+lamh7LFUXxUZRaTnC522DSMrxC7u6PuWshxAJJPwQEy9oV3DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T20:49:52.562610Z","bundle_sha256":"5f368e37ab8a140bff584cd54b46eb2203314eb06fb7a4b74b9a4fe33a2c99e9"}}