{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:M5SXWGVYO5GN37QDFTHTBK3QWR","short_pith_number":"pith:M5SXWGVY","canonical_record":{"source":{"id":"1505.04634","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-18T13:39:25Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"c8941f84f76b157be8d72d987552adf9507c0538576c5b1887c8be9d34f6b219","abstract_canon_sha256":"1cba4adfc1d1cf8eb2a4aa5862896f4d2bcbdbae4218d1c789bdd49eac1cdc2c"},"schema_version":"1.0"},"canonical_sha256":"67657b1ab8774cddfe032ccf30ab70b44382ee08136948d7b0964f479107d6d7","source":{"kind":"arxiv","id":"1505.04634","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.04634","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"arxiv_version","alias_value":"1505.04634v2","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.04634","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"pith_short_12","alias_value":"M5SXWGVYO5GN","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"M5SXWGVYO5GN37QD","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"M5SXWGVY","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:M5SXWGVYO5GN37QDFTHTBK3QWR","target":"record","payload":{"canonical_record":{"source":{"id":"1505.04634","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-18T13:39:25Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"c8941f84f76b157be8d72d987552adf9507c0538576c5b1887c8be9d34f6b219","abstract_canon_sha256":"1cba4adfc1d1cf8eb2a4aa5862896f4d2bcbdbae4218d1c789bdd49eac1cdc2c"},"schema_version":"1.0"},"canonical_sha256":"67657b1ab8774cddfe032ccf30ab70b44382ee08136948d7b0964f479107d6d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:00.392068Z","signature_b64":"8R2Nz/I8YwtVGuudqFMFtl6KY+o0ufhB59y+RkeuUtGUu2x3jX+NlwLGWlK83OcuKqo8gnQ1ECRsI6exhIrtBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67657b1ab8774cddfe032ccf30ab70b44382ee08136948d7b0964f479107d6d7","last_reissued_at":"2026-05-18T01:15:00.391598Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:00.391598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.04634","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":"2026-05-18T01:15:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cOQcRmHFNdMWSecAjU1crjGoSFOaqni0nIf6OPlUsu19py1p905sKY1Kh9GvwHWtaL7BzfiRaxNNXZohXlgeCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:55:14.162096Z"},"content_sha256":"402ebab71bbe411a387e1f6f43b8c3746cadea95b4d219c799aed88a1a1bafe2","schema_version":"1.0","event_id":"sha256:402ebab71bbe411a387e1f6f43b8c3746cadea95b4d219c799aed88a1a1bafe2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:M5SXWGVYO5GN37QDFTHTBK3QWR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Einstein's gravity from a polynomial affine model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Aureliano Skirzewski, Oscar Castillo-Felisola","submitted_at":"2015-05-18T13:39:25Z","abstract_excerpt":"We show that the effective field equations for a recently formulated polynomial affine model of gravity, in the sector of a torsion-free connection, accept general Einstein manifolds---with or without cosmological constant---as solutions. Moreover, the effective field equations are partially those obtained from a gravitational Yang--Mills theory known as Stephenson--Kilmister--Yang theory. Additionally, we find a generalization of a minimally coupled massless scalar field in General Relativity within a \"minimally\" coupled scalar field in this affine model. Finally, we present a brief analysis "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.04634","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":""},"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":"2026-05-18T01:15:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YbjMgOD8eRW3YayBi/lfBsTPiSFpNuLmFGXk1wA+R4pv5LN/MOQrFY1EQ0+ZqbqQ3cg+shGq/33/J2wi1hkrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:55:14.162681Z"},"content_sha256":"735450f96bd524c2da2c99f2ca24c9fd984fc5767f55fdc1b65042e0ab49d2d8","schema_version":"1.0","event_id":"sha256:735450f96bd524c2da2c99f2ca24c9fd984fc5767f55fdc1b65042e0ab49d2d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M5SXWGVYO5GN37QDFTHTBK3QWR/bundle.json","state_url":"https://pith.science/pith/M5SXWGVYO5GN37QDFTHTBK3QWR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M5SXWGVYO5GN37QDFTHTBK3QWR/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":"2026-05-27T05:55:14Z","links":{"resolver":"https://pith.science/pith/M5SXWGVYO5GN37QDFTHTBK3QWR","bundle":"https://pith.science/pith/M5SXWGVYO5GN37QDFTHTBK3QWR/bundle.json","state":"https://pith.science/pith/M5SXWGVYO5GN37QDFTHTBK3QWR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M5SXWGVYO5GN37QDFTHTBK3QWR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:M5SXWGVYO5GN37QDFTHTBK3QWR","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":"1cba4adfc1d1cf8eb2a4aa5862896f4d2bcbdbae4218d1c789bdd49eac1cdc2c","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-18T13:39:25Z","title_canon_sha256":"c8941f84f76b157be8d72d987552adf9507c0538576c5b1887c8be9d34f6b219"},"schema_version":"1.0","source":{"id":"1505.04634","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.04634","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"arxiv_version","alias_value":"1505.04634v2","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.04634","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"pith_short_12","alias_value":"M5SXWGVYO5GN","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"M5SXWGVYO5GN37QD","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"M5SXWGVY","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:735450f96bd524c2da2c99f2ca24c9fd984fc5767f55fdc1b65042e0ab49d2d8","target":"graph","created_at":"2026-05-18T01:15:00Z","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":"We show that the effective field equations for a recently formulated polynomial affine model of gravity, in the sector of a torsion-free connection, accept general Einstein manifolds---with or without cosmological constant---as solutions. Moreover, the effective field equations are partially those obtained from a gravitational Yang--Mills theory known as Stephenson--Kilmister--Yang theory. Additionally, we find a generalization of a minimally coupled massless scalar field in General Relativity within a \"minimally\" coupled scalar field in this affine model. Finally, we present a brief analysis ","authors_text":"Aureliano Skirzewski, Oscar Castillo-Felisola","cross_cats":["hep-th","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-18T13:39:25Z","title":"Einstein's gravity from a polynomial affine model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.04634","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":"sha256:402ebab71bbe411a387e1f6f43b8c3746cadea95b4d219c799aed88a1a1bafe2","target":"record","created_at":"2026-05-18T01:15:00Z","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":"1cba4adfc1d1cf8eb2a4aa5862896f4d2bcbdbae4218d1c789bdd49eac1cdc2c","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-18T13:39:25Z","title_canon_sha256":"c8941f84f76b157be8d72d987552adf9507c0538576c5b1887c8be9d34f6b219"},"schema_version":"1.0","source":{"id":"1505.04634","kind":"arxiv","version":2}},"canonical_sha256":"67657b1ab8774cddfe032ccf30ab70b44382ee08136948d7b0964f479107d6d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67657b1ab8774cddfe032ccf30ab70b44382ee08136948d7b0964f479107d6d7","first_computed_at":"2026-05-18T01:15:00.391598Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:00.391598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8R2Nz/I8YwtVGuudqFMFtl6KY+o0ufhB59y+RkeuUtGUu2x3jX+NlwLGWlK83OcuKqo8gnQ1ECRsI6exhIrtBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:00.392068Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.04634","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:402ebab71bbe411a387e1f6f43b8c3746cadea95b4d219c799aed88a1a1bafe2","sha256:735450f96bd524c2da2c99f2ca24c9fd984fc5767f55fdc1b65042e0ab49d2d8"],"state_sha256":"c6567a32d5270eb65246eaa8d8edabf76a68a500705e123d24e3433a1da584e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1iZOyrEQ3n+cZTA1axRAcESMARyLtIL8rXui7hz4iL3+oyvT5TX87slT4ZRPDt+juQG/NqMFBhZLO5JjLWM1CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:55:14.165741Z","bundle_sha256":"df3b3e84448895adee6ab9e188e9cb115e5679b6cb54fa1918f5e509cbf47b54"}}