{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7Z2TSNRGBNIGNMCUGFN42RK3DT","short_pith_number":"pith:7Z2TSNRG","canonical_record":{"source":{"id":"1811.09547","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-23T16:34:19Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"d05466b36a32f8b95667507684da3e3e9aea3875a3e5b1bc296900751bffc3c6","abstract_canon_sha256":"16887a4dbe781e158470c3a8d6d2b3a4e46a652c25b6638e987ea8ed4f6a8270"},"schema_version":"1.0"},"canonical_sha256":"fe753936260b5066b054315bcd455b1ce176a86c31cad4b471af32dc11fb9741","source":{"kind":"arxiv","id":"1811.09547","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09547","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09547v1","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09547","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"pith_short_12","alias_value":"7Z2TSNRGBNIG","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"7Z2TSNRGBNIGNMCU","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"7Z2TSNRG","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7Z2TSNRGBNIGNMCUGFN42RK3DT","target":"record","payload":{"canonical_record":{"source":{"id":"1811.09547","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-23T16:34:19Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"d05466b36a32f8b95667507684da3e3e9aea3875a3e5b1bc296900751bffc3c6","abstract_canon_sha256":"16887a4dbe781e158470c3a8d6d2b3a4e46a652c25b6638e987ea8ed4f6a8270"},"schema_version":"1.0"},"canonical_sha256":"fe753936260b5066b054315bcd455b1ce176a86c31cad4b471af32dc11fb9741","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:40.389647Z","signature_b64":"M6Idkiol6h09iaaEF6FxZiPMOyYbCZTKqZXKcJz4kx+W4oan1xELesSldZ26ELzTFJm+9trJaL8Zh5ZwXySNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe753936260b5066b054315bcd455b1ce176a86c31cad4b471af32dc11fb9741","last_reissued_at":"2026-05-17T23:49:40.389169Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:40.389169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.09547","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":"2026-05-17T23:49:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bqou/ik4pr8+M5UsulhdUWGuSZ33ZUOdC3fQlkYUrf8xkmRUIaL2CGoem+aA3Q6+vdA6wRXDqArAcAnmUfPWCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T14:09:05.567723Z"},"content_sha256":"e9aa8875315be8f16a18da2952d41b63d0224ed390e255986abbbec027dd53f2","schema_version":"1.0","event_id":"sha256:e9aa8875315be8f16a18da2952d41b63d0224ed390e255986abbbec027dd53f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7Z2TSNRGBNIGNMCUGFN42RK3DT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Weyl-invariant vector-tensor theory for the cosmological constant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Alexander Vikman, Pavel Jirou\\v{s}ek","submitted_at":"2018-11-23T16:34:19Z","abstract_excerpt":"We introduce a new Weyl-invariant and generally-covariant vector-tensor theory with higher derivatives. This theory can be induced by extending the mimetic construction to vector fields of conformal weight four. We demonstrate that in gauge-invariant variables this novel theory reduces to the Henneaux-Teitelboim description of the unimodular gravity. Hence, compared with the standard general relativity, our new higher derivative vector-tensor theory has only one new global degree of freedom - the cosmological constant. Finally we discuss potential extensions of this vector-tensor theory."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09547","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":"2026-05-17T23:49:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kZVp2j0SO2m4pU+v3AxkNChEZb2pa3L1ZusthDBRulnmc/h9MAbLi/CbJ2J0GFiqxH1JvwvqdBMx4u2AAQ3oBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T14:09:05.568125Z"},"content_sha256":"e56dc9bc65d59dde3baf9befaafc94b6416444523f5f9b2ac80269b33cefbe49","schema_version":"1.0","event_id":"sha256:e56dc9bc65d59dde3baf9befaafc94b6416444523f5f9b2ac80269b33cefbe49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7Z2TSNRGBNIGNMCUGFN42RK3DT/bundle.json","state_url":"https://pith.science/pith/7Z2TSNRGBNIGNMCUGFN42RK3DT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7Z2TSNRGBNIGNMCUGFN42RK3DT/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":"2026-05-20T14:09:05Z","links":{"resolver":"https://pith.science/pith/7Z2TSNRGBNIGNMCUGFN42RK3DT","bundle":"https://pith.science/pith/7Z2TSNRGBNIGNMCUGFN42RK3DT/bundle.json","state":"https://pith.science/pith/7Z2TSNRGBNIGNMCUGFN42RK3DT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7Z2TSNRGBNIGNMCUGFN42RK3DT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7Z2TSNRGBNIGNMCUGFN42RK3DT","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":"16887a4dbe781e158470c3a8d6d2b3a4e46a652c25b6638e987ea8ed4f6a8270","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-23T16:34:19Z","title_canon_sha256":"d05466b36a32f8b95667507684da3e3e9aea3875a3e5b1bc296900751bffc3c6"},"schema_version":"1.0","source":{"id":"1811.09547","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09547","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09547v1","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09547","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"pith_short_12","alias_value":"7Z2TSNRGBNIG","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"7Z2TSNRGBNIGNMCU","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"7Z2TSNRG","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:e56dc9bc65d59dde3baf9befaafc94b6416444523f5f9b2ac80269b33cefbe49","target":"graph","created_at":"2026-05-17T23:49:40Z","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 introduce a new Weyl-invariant and generally-covariant vector-tensor theory with higher derivatives. This theory can be induced by extending the mimetic construction to vector fields of conformal weight four. We demonstrate that in gauge-invariant variables this novel theory reduces to the Henneaux-Teitelboim description of the unimodular gravity. Hence, compared with the standard general relativity, our new higher derivative vector-tensor theory has only one new global degree of freedom - the cosmological constant. Finally we discuss potential extensions of this vector-tensor theory.","authors_text":"Alexander Vikman, Pavel Jirou\\v{s}ek","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-23T16:34:19Z","title":"New Weyl-invariant vector-tensor theory for the cosmological constant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09547","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:e9aa8875315be8f16a18da2952d41b63d0224ed390e255986abbbec027dd53f2","target":"record","created_at":"2026-05-17T23:49:40Z","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":"16887a4dbe781e158470c3a8d6d2b3a4e46a652c25b6638e987ea8ed4f6a8270","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-23T16:34:19Z","title_canon_sha256":"d05466b36a32f8b95667507684da3e3e9aea3875a3e5b1bc296900751bffc3c6"},"schema_version":"1.0","source":{"id":"1811.09547","kind":"arxiv","version":1}},"canonical_sha256":"fe753936260b5066b054315bcd455b1ce176a86c31cad4b471af32dc11fb9741","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe753936260b5066b054315bcd455b1ce176a86c31cad4b471af32dc11fb9741","first_computed_at":"2026-05-17T23:49:40.389169Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:40.389169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M6Idkiol6h09iaaEF6FxZiPMOyYbCZTKqZXKcJz4kx+W4oan1xELesSldZ26ELzTFJm+9trJaL8Zh5ZwXySNBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:40.389647Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.09547","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9aa8875315be8f16a18da2952d41b63d0224ed390e255986abbbec027dd53f2","sha256:e56dc9bc65d59dde3baf9befaafc94b6416444523f5f9b2ac80269b33cefbe49"],"state_sha256":"111600f46c5ffe9306b473ca6070bbc73e5513b49a82a4ed93b8d90424f8efc0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zri3sUga1NRL6BUT6JGXYJsrXc00IUCe39f5g8MeeTtOpKsMoaVsDvUcet7sEtNNRsA8UQFsGAm/xMSgmUbYAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T14:09:05.570063Z","bundle_sha256":"3b34b6301e7e1ec052999046c5dfb05ad7dfff1c6874424fb3740aca1a9ad748"}}