{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:7EPUKD5MZTTUL4PQLJLIP5HNV5","short_pith_number":"pith:7EPUKD5M","canonical_record":{"source":{"id":"2504.11135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-15T12:38:55Z","cross_cats_sorted":[],"title_canon_sha256":"6a9a2b9eb00b55c09b774c5caee44d17e0c57f498920bfec6af28360fb8437ca","abstract_canon_sha256":"465998074964bbe25ab3060a582b2474c2d8287f53786b397adff04ec66a5b17"},"schema_version":"1.0"},"canonical_sha256":"f91f450faccce745f1f05a5687f4edaf4be60277995f66dd7ef00a89eed30b52","source":{"kind":"arxiv","id":"2504.11135","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.11135","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"arxiv_version","alias_value":"2504.11135v1","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.11135","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"pith_short_12","alias_value":"7EPUKD5MZTTU","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"pith_short_16","alias_value":"7EPUKD5MZTTUL4PQ","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"pith_short_8","alias_value":"7EPUKD5M","created_at":"2026-07-05T10:49:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:7EPUKD5MZTTUL4PQLJLIP5HNV5","target":"record","payload":{"canonical_record":{"source":{"id":"2504.11135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-15T12:38:55Z","cross_cats_sorted":[],"title_canon_sha256":"6a9a2b9eb00b55c09b774c5caee44d17e0c57f498920bfec6af28360fb8437ca","abstract_canon_sha256":"465998074964bbe25ab3060a582b2474c2d8287f53786b397adff04ec66a5b17"},"schema_version":"1.0"},"canonical_sha256":"f91f450faccce745f1f05a5687f4edaf4be60277995f66dd7ef00a89eed30b52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:49:29.545063Z","signature_b64":"jqYCG/YSRH2daj+0J2cx+YMNIRQvcBldRP6iWvQ8Z9aSsU1z4qS6+IMja5pQHP6izeKayAN5ARsQJ5dop70WBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f91f450faccce745f1f05a5687f4edaf4be60277995f66dd7ef00a89eed30b52","last_reissued_at":"2026-07-05T10:49:29.544574Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:49:29.544574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.11135","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":"2026-07-05T10:49:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"prefVk3tbE7kFptyTjF14x+V2l6fLBI9NjaUelhoSd0fYKOxgM2nNcH6j7D5Tv3nqbDsuEL600LGvQocdeC3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:26:53.659319Z"},"content_sha256":"36c74a2bcb43c1df64605b066a5d63583772267b4b8b68545b87b5bfff289314","schema_version":"1.0","event_id":"sha256:36c74a2bcb43c1df64605b066a5d63583772267b4b8b68545b87b5bfff289314"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:7EPUKD5MZTTUL4PQLJLIP5HNV5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The baryonic Tully-Fisher relation and Fundamental Plane in the light of $f(R)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"D. Borka, P. Jovanovi\\'c, V. Borka Jovanovi\\'c","submitted_at":"2025-04-15T12:38:55Z","abstract_excerpt":"Here we use the samples of spiral and elliptical galaxies, in order to investigate theoretically some of their properties and to test the empirical relations, in the light of modified gravities. We show that the baryonic Tully-Fisher relation can be described in the light of $f(R)$ gravity, without introducing the dark matter. Also, it is possible to explain the features of fundamental plane of elliptical galaxies without the dark matter hypothesis."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.11135","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.11135/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":"2026-07-05T10:49:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HodjCu2c1gOqZzKSTybLk4Glq/3LgaT122U8SjN7zBlYNR4uWqhS0AjRoUs38QN7G9nX5tqMzvSSY69pe1ZaAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:26:53.659692Z"},"content_sha256":"4b7ad0037a0587f74f48f891533c1f409b3aa08b5fbcdd3e60260eb509ace956","schema_version":"1.0","event_id":"sha256:4b7ad0037a0587f74f48f891533c1f409b3aa08b5fbcdd3e60260eb509ace956"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7EPUKD5MZTTUL4PQLJLIP5HNV5/bundle.json","state_url":"https://pith.science/pith/7EPUKD5MZTTUL4PQLJLIP5HNV5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7EPUKD5MZTTUL4PQLJLIP5HNV5/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":"2026-08-04T21:26:53Z","links":{"resolver":"https://pith.science/pith/7EPUKD5MZTTUL4PQLJLIP5HNV5","bundle":"https://pith.science/pith/7EPUKD5MZTTUL4PQLJLIP5HNV5/bundle.json","state":"https://pith.science/pith/7EPUKD5MZTTUL4PQLJLIP5HNV5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7EPUKD5MZTTUL4PQLJLIP5HNV5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7EPUKD5MZTTUL4PQLJLIP5HNV5","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":"465998074964bbe25ab3060a582b2474c2d8287f53786b397adff04ec66a5b17","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-15T12:38:55Z","title_canon_sha256":"6a9a2b9eb00b55c09b774c5caee44d17e0c57f498920bfec6af28360fb8437ca"},"schema_version":"1.0","source":{"id":"2504.11135","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.11135","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"arxiv_version","alias_value":"2504.11135v1","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.11135","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"pith_short_12","alias_value":"7EPUKD5MZTTU","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"pith_short_16","alias_value":"7EPUKD5MZTTUL4PQ","created_at":"2026-07-05T10:49:29Z"},{"alias_kind":"pith_short_8","alias_value":"7EPUKD5M","created_at":"2026-07-05T10:49:29Z"}],"graph_snapshots":[{"event_id":"sha256:4b7ad0037a0587f74f48f891533c1f409b3aa08b5fbcdd3e60260eb509ace956","target":"graph","created_at":"2026-07-05T10:49:29Z","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/2504.11135/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Here we use the samples of spiral and elliptical galaxies, in order to investigate theoretically some of their properties and to test the empirical relations, in the light of modified gravities. We show that the baryonic Tully-Fisher relation can be described in the light of $f(R)$ gravity, without introducing the dark matter. Also, it is possible to explain the features of fundamental plane of elliptical galaxies without the dark matter hypothesis.","authors_text":"D. Borka, P. Jovanovi\\'c, V. Borka Jovanovi\\'c","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-15T12:38:55Z","title":"The baryonic Tully-Fisher relation and Fundamental Plane in the light of $f(R)$ gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.11135","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":"sha256:36c74a2bcb43c1df64605b066a5d63583772267b4b8b68545b87b5bfff289314","target":"record","created_at":"2026-07-05T10:49:29Z","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":"465998074964bbe25ab3060a582b2474c2d8287f53786b397adff04ec66a5b17","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-15T12:38:55Z","title_canon_sha256":"6a9a2b9eb00b55c09b774c5caee44d17e0c57f498920bfec6af28360fb8437ca"},"schema_version":"1.0","source":{"id":"2504.11135","kind":"arxiv","version":1}},"canonical_sha256":"f91f450faccce745f1f05a5687f4edaf4be60277995f66dd7ef00a89eed30b52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f91f450faccce745f1f05a5687f4edaf4be60277995f66dd7ef00a89eed30b52","first_computed_at":"2026-07-05T10:49:29.544574Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:49:29.544574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jqYCG/YSRH2daj+0J2cx+YMNIRQvcBldRP6iWvQ8Z9aSsU1z4qS6+IMja5pQHP6izeKayAN5ARsQJ5dop70WBw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:49:29.545063Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.11135","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36c74a2bcb43c1df64605b066a5d63583772267b4b8b68545b87b5bfff289314","sha256:4b7ad0037a0587f74f48f891533c1f409b3aa08b5fbcdd3e60260eb509ace956"],"state_sha256":"11a37074598873de95a20e00b3d10e35b925e345f901c82a22fde2f51aeecf56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zxW7e2zHiQ0JAJrGNpJUEq2K13oyomTpSq4FvG+ztB0ENIovvDrZNrAzMbSO98EQbGQngiytrEds2PsbpwxaAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:26:53.661995Z","bundle_sha256":"8b468ca488ae348d82906dd1cba41cf4b6da2ea0b9c93acb05631ebda25c7f84"}}