{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HXNFWVVXDPOTX27K3HPFGQ5Z24","short_pith_number":"pith:HXNFWVVX","canonical_record":{"source":{"id":"1610.01480","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-05T15:24:45Z","cross_cats_sorted":[],"title_canon_sha256":"f3c263b649742ac31b648f1d36c95215e9ec076df5d0d079143be5dde31a70dd","abstract_canon_sha256":"8ba2a1c096712de0dcf8621c0df81bc9121a71d39c68f3da645423cbf494e9dc"},"schema_version":"1.0"},"canonical_sha256":"3dda5b56b71bdd3bebead9de5343b9d708aa64d6a2333a3d76300681b60f3f1c","source":{"kind":"arxiv","id":"1610.01480","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.01480","created_at":"2026-05-18T00:33:39Z"},{"alias_kind":"arxiv_version","alias_value":"1610.01480v3","created_at":"2026-05-18T00:33:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01480","created_at":"2026-05-18T00:33:39Z"},{"alias_kind":"pith_short_12","alias_value":"HXNFWVVXDPOT","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HXNFWVVXDPOTX27K","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HXNFWVVX","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HXNFWVVXDPOTX27K3HPFGQ5Z24","target":"record","payload":{"canonical_record":{"source":{"id":"1610.01480","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-05T15:24:45Z","cross_cats_sorted":[],"title_canon_sha256":"f3c263b649742ac31b648f1d36c95215e9ec076df5d0d079143be5dde31a70dd","abstract_canon_sha256":"8ba2a1c096712de0dcf8621c0df81bc9121a71d39c68f3da645423cbf494e9dc"},"schema_version":"1.0"},"canonical_sha256":"3dda5b56b71bdd3bebead9de5343b9d708aa64d6a2333a3d76300681b60f3f1c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:39.612011Z","signature_b64":"hc4JNGziiwpcmBSdZwuYJpVkq1aMDGzXdkuY8QAxOWJ7b4LnU6u/CKEEStnJb/Ay56k342X6alad3ViIh5IOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3dda5b56b71bdd3bebead9de5343b9d708aa64d6a2333a3d76300681b60f3f1c","last_reissued_at":"2026-05-18T00:33:39.611467Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:39.611467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.01480","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":"2026-05-18T00:33:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wGuBhE7haTfyAyOuNyyPs3tlFzhDVYiajDusNpqO5fPj+DeCiEtrqjgszG6HhL/myVGIzuyvB1hn4yAGc+5mAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:02:42.490044Z"},"content_sha256":"0860643eb6b1cd4668c4cae60b7de7da5497a514d593a17537f34ad083788ea2","schema_version":"1.0","event_id":"sha256:0860643eb6b1cd4668c4cae60b7de7da5497a514d593a17537f34ad083788ea2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HXNFWVVXDPOTX27K3HPFGQ5Z24","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effective models of quantum gravity induced by Planck scale modifications in the covariant quantum algebra","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"G.P. de Brito, J.T. Guaitolini Junior, P.I.C. Caneda, V. Nikoofard, Y.M.P. Gomes","submitted_at":"2016-10-05T15:24:45Z","abstract_excerpt":"In this paper we introduce a modified covariant quantum algebra based in the so-called Quesne-Tkachuk algebra. By means of a deformation procedure we arrive at a class of higher derivative models of gravity. The study of the particle spectra of these models reveals an equivalence with the physical content of the well-known renormalizable and super-renormalizable higher derivative gravities. The particle spectrum exhibits the presence of spurious complex ghosts and, in light of this problem, we suggest an interesting interpretation in the context of minimal length theories. Also, a discussion r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01480","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":""},"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":"2026-05-18T00:33:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cuqFizUw2ybSVU/73ffLObHtVYbSLZjz069MTEq32NEfD8XyqKejkxOXoz7baKaNES/oCZiq9vOQGKzwo81sBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:02:42.490720Z"},"content_sha256":"9365de6e52bec6f1a06a4c287096eedd52915c7f3a0f436cfb8120c91b9607c8","schema_version":"1.0","event_id":"sha256:9365de6e52bec6f1a06a4c287096eedd52915c7f3a0f436cfb8120c91b9607c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HXNFWVVXDPOTX27K3HPFGQ5Z24/bundle.json","state_url":"https://pith.science/pith/HXNFWVVXDPOTX27K3HPFGQ5Z24/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HXNFWVVXDPOTX27K3HPFGQ5Z24/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":"2026-05-30T07:02:42Z","links":{"resolver":"https://pith.science/pith/HXNFWVVXDPOTX27K3HPFGQ5Z24","bundle":"https://pith.science/pith/HXNFWVVXDPOTX27K3HPFGQ5Z24/bundle.json","state":"https://pith.science/pith/HXNFWVVXDPOTX27K3HPFGQ5Z24/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HXNFWVVXDPOTX27K3HPFGQ5Z24/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HXNFWVVXDPOTX27K3HPFGQ5Z24","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":"8ba2a1c096712de0dcf8621c0df81bc9121a71d39c68f3da645423cbf494e9dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-05T15:24:45Z","title_canon_sha256":"f3c263b649742ac31b648f1d36c95215e9ec076df5d0d079143be5dde31a70dd"},"schema_version":"1.0","source":{"id":"1610.01480","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.01480","created_at":"2026-05-18T00:33:39Z"},{"alias_kind":"arxiv_version","alias_value":"1610.01480v3","created_at":"2026-05-18T00:33:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01480","created_at":"2026-05-18T00:33:39Z"},{"alias_kind":"pith_short_12","alias_value":"HXNFWVVXDPOT","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HXNFWVVXDPOTX27K","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HXNFWVVX","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:9365de6e52bec6f1a06a4c287096eedd52915c7f3a0f436cfb8120c91b9607c8","target":"graph","created_at":"2026-05-18T00:33:39Z","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":"In this paper we introduce a modified covariant quantum algebra based in the so-called Quesne-Tkachuk algebra. By means of a deformation procedure we arrive at a class of higher derivative models of gravity. The study of the particle spectra of these models reveals an equivalence with the physical content of the well-known renormalizable and super-renormalizable higher derivative gravities. The particle spectrum exhibits the presence of spurious complex ghosts and, in light of this problem, we suggest an interesting interpretation in the context of minimal length theories. Also, a discussion r","authors_text":"G.P. de Brito, J.T. Guaitolini Junior, P.I.C. Caneda, V. Nikoofard, Y.M.P. Gomes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-05T15:24:45Z","title":"Effective models of quantum gravity induced by Planck scale modifications in the covariant quantum algebra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01480","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":"sha256:0860643eb6b1cd4668c4cae60b7de7da5497a514d593a17537f34ad083788ea2","target":"record","created_at":"2026-05-18T00:33:39Z","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":"8ba2a1c096712de0dcf8621c0df81bc9121a71d39c68f3da645423cbf494e9dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-05T15:24:45Z","title_canon_sha256":"f3c263b649742ac31b648f1d36c95215e9ec076df5d0d079143be5dde31a70dd"},"schema_version":"1.0","source":{"id":"1610.01480","kind":"arxiv","version":3}},"canonical_sha256":"3dda5b56b71bdd3bebead9de5343b9d708aa64d6a2333a3d76300681b60f3f1c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3dda5b56b71bdd3bebead9de5343b9d708aa64d6a2333a3d76300681b60f3f1c","first_computed_at":"2026-05-18T00:33:39.611467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:39.611467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hc4JNGziiwpcmBSdZwuYJpVkq1aMDGzXdkuY8QAxOWJ7b4LnU6u/CKEEStnJb/Ay56k342X6alad3ViIh5IOBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:39.612011Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.01480","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0860643eb6b1cd4668c4cae60b7de7da5497a514d593a17537f34ad083788ea2","sha256:9365de6e52bec6f1a06a4c287096eedd52915c7f3a0f436cfb8120c91b9607c8"],"state_sha256":"af0cb2956b8ee67ef16220efbdbbd2c03e1be2870c50c2092a6b880391f3427a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6+6x/3+kuKci3Wn4cShl9h5uwvISAanoXF/45Z0qOPyPqJQRvSh3Ki09mHqag/1U+sE7xDT2ism16givtEG3Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:02:42.493935Z","bundle_sha256":"9f6b0648535b2db47a0d54f931451bd6798ea45347ea0dca2070425667ddbaf1"}}