{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:FLIEBTNDJ6EH2MERMDEADCS4YI","short_pith_number":"pith:FLIEBTND","canonical_record":{"source":{"id":"1606.02303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-07T20:00:02Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"c28f0736863a4ee4e9869e469112e037c1fbdb8513310a17c0d2bb58af0a95fa","abstract_canon_sha256":"1cf28c082958f0da20c8b279d69a0a1d4a97ed6f1202c40d07dfe0e759a8f654"},"schema_version":"1.0"},"canonical_sha256":"2ad040cda34f887d309160c8018a5cc203ac0023449054b9b60108dc66d5abe8","source":{"kind":"arxiv","id":"1606.02303","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.02303","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"arxiv_version","alias_value":"1606.02303v1","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.02303","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"pith_short_12","alias_value":"FLIEBTNDJ6EH","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FLIEBTNDJ6EH2MER","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FLIEBTND","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:FLIEBTNDJ6EH2MERMDEADCS4YI","target":"record","payload":{"canonical_record":{"source":{"id":"1606.02303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-07T20:00:02Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"c28f0736863a4ee4e9869e469112e037c1fbdb8513310a17c0d2bb58af0a95fa","abstract_canon_sha256":"1cf28c082958f0da20c8b279d69a0a1d4a97ed6f1202c40d07dfe0e759a8f654"},"schema_version":"1.0"},"canonical_sha256":"2ad040cda34f887d309160c8018a5cc203ac0023449054b9b60108dc66d5abe8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:01.281353Z","signature_b64":"XtOjAxseaEkC8Op6Za9MUvouYG0d1m01XV7Y9BEcn9sB367tTXjzJGR6XD6AuSfws5Hn5AhM+VREaJI23z0PBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ad040cda34f887d309160c8018a5cc203ac0023449054b9b60108dc66d5abe8","last_reissued_at":"2026-05-18T01:12:01.281008Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:01.281008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.02303","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":"2026-05-18T01:12:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2BB3QuPbUsboMM26AYnnx4lXX5W7cnWFB2agkMZZYj5XBCaztIaSIEp5l4SV+2ZRJ3ej798Ih1y0d1mtXXqTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:21:41.243037Z"},"content_sha256":"44f2e35d6f8091a2e3715302f4f3e6d4a8c57b62f63d7751205b5672fec3eaff","schema_version":"1.0","event_id":"sha256:44f2e35d6f8091a2e3715302f4f3e6d4a8c57b62f63d7751205b5672fec3eaff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:FLIEBTNDJ6EH2MERMDEADCS4YI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Grand Unification without Proton Decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Andreas M\\\"utter, Michael Ratz, Patrick K.S. Vaudrevange","submitted_at":"2016-06-07T20:00:02Z","abstract_excerpt":"It is commonly believed that grand unified theories (GUTs) predict proton decay. This is because the exchange of extra GUT gauge bosons gives rise to dimension 6 proton decay operators. We show that there exists a class of GUTs in which these operators are absent. Many string and supergravity models in the literature belong to this class."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.02303","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":"2026-05-18T01:12:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q1sBBD/zIMlsqUwwtNo3LDM7Gl9W1AgPMIbIXOru/0EheDdJ/TmcL9SV1qcltm/V9vliFNLw2WhDYgPKwdG7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:21:41.243437Z"},"content_sha256":"2b69a6e30e33aa20829fdaabbec908ce2cc8e0e6ffa7e79a8139241b5d4e5f37","schema_version":"1.0","event_id":"sha256:2b69a6e30e33aa20829fdaabbec908ce2cc8e0e6ffa7e79a8139241b5d4e5f37"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FLIEBTNDJ6EH2MERMDEADCS4YI/bundle.json","state_url":"https://pith.science/pith/FLIEBTNDJ6EH2MERMDEADCS4YI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FLIEBTNDJ6EH2MERMDEADCS4YI/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":"2026-05-25T21:21:41Z","links":{"resolver":"https://pith.science/pith/FLIEBTNDJ6EH2MERMDEADCS4YI","bundle":"https://pith.science/pith/FLIEBTNDJ6EH2MERMDEADCS4YI/bundle.json","state":"https://pith.science/pith/FLIEBTNDJ6EH2MERMDEADCS4YI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FLIEBTNDJ6EH2MERMDEADCS4YI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FLIEBTNDJ6EH2MERMDEADCS4YI","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":"1cf28c082958f0da20c8b279d69a0a1d4a97ed6f1202c40d07dfe0e759a8f654","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-07T20:00:02Z","title_canon_sha256":"c28f0736863a4ee4e9869e469112e037c1fbdb8513310a17c0d2bb58af0a95fa"},"schema_version":"1.0","source":{"id":"1606.02303","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.02303","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"arxiv_version","alias_value":"1606.02303v1","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.02303","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"pith_short_12","alias_value":"FLIEBTNDJ6EH","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FLIEBTNDJ6EH2MER","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FLIEBTND","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:2b69a6e30e33aa20829fdaabbec908ce2cc8e0e6ffa7e79a8139241b5d4e5f37","target":"graph","created_at":"2026-05-18T01:12:01Z","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":"It is commonly believed that grand unified theories (GUTs) predict proton decay. This is because the exchange of extra GUT gauge bosons gives rise to dimension 6 proton decay operators. We show that there exists a class of GUTs in which these operators are absent. Many string and supergravity models in the literature belong to this class.","authors_text":"Andreas M\\\"utter, Michael Ratz, Patrick K.S. Vaudrevange","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-07T20:00:02Z","title":"Grand Unification without Proton Decay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.02303","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":"sha256:44f2e35d6f8091a2e3715302f4f3e6d4a8c57b62f63d7751205b5672fec3eaff","target":"record","created_at":"2026-05-18T01:12:01Z","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":"1cf28c082958f0da20c8b279d69a0a1d4a97ed6f1202c40d07dfe0e759a8f654","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-07T20:00:02Z","title_canon_sha256":"c28f0736863a4ee4e9869e469112e037c1fbdb8513310a17c0d2bb58af0a95fa"},"schema_version":"1.0","source":{"id":"1606.02303","kind":"arxiv","version":1}},"canonical_sha256":"2ad040cda34f887d309160c8018a5cc203ac0023449054b9b60108dc66d5abe8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ad040cda34f887d309160c8018a5cc203ac0023449054b9b60108dc66d5abe8","first_computed_at":"2026-05-18T01:12:01.281008Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:01.281008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XtOjAxseaEkC8Op6Za9MUvouYG0d1m01XV7Y9BEcn9sB367tTXjzJGR6XD6AuSfws5Hn5AhM+VREaJI23z0PBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:01.281353Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.02303","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44f2e35d6f8091a2e3715302f4f3e6d4a8c57b62f63d7751205b5672fec3eaff","sha256:2b69a6e30e33aa20829fdaabbec908ce2cc8e0e6ffa7e79a8139241b5d4e5f37"],"state_sha256":"d638218274ed6e6e1832c1de2ff408e15cfa184ef0f330997a702e9f298238b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LgjWUj6+Gthea1SCc6Dy3KjT3MTKif41qwuDxVi5EXPCgarNYeJrHo50P6lFNpicI8wSBK6gV8kM48oVigdFCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:21:41.246700Z","bundle_sha256":"fd8674869208d2a7471df582aea66f9a01bc4430c671373a3015133e999c17e7"}}