{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:J46M4JUEAVYKQ5ADZV6GVK3WHD","short_pith_number":"pith:J46M4JUE","canonical_record":{"source":{"id":"1709.07608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-09-22T06:46:04Z","cross_cats_sorted":[],"title_canon_sha256":"4bce1e934e503e92259683610052df241d63bb98d01bcf6e2899da6aa02dd367","abstract_canon_sha256":"088ca525c0750fcdfb384487def19c0a737c28321ce387913d30701e3c780751"},"schema_version":"1.0"},"canonical_sha256":"4f3cce26840570a87403cd7c6aab7638de0a0c96fb11a29d120b1917f490516d","source":{"kind":"arxiv","id":"1709.07608","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.07608","created_at":"2026-05-18T00:34:32Z"},{"alias_kind":"arxiv_version","alias_value":"1709.07608v1","created_at":"2026-05-18T00:34:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07608","created_at":"2026-05-18T00:34:32Z"},{"alias_kind":"pith_short_12","alias_value":"J46M4JUEAVYK","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"J46M4JUEAVYKQ5AD","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"J46M4JUE","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:J46M4JUEAVYKQ5ADZV6GVK3WHD","target":"record","payload":{"canonical_record":{"source":{"id":"1709.07608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-09-22T06:46:04Z","cross_cats_sorted":[],"title_canon_sha256":"4bce1e934e503e92259683610052df241d63bb98d01bcf6e2899da6aa02dd367","abstract_canon_sha256":"088ca525c0750fcdfb384487def19c0a737c28321ce387913d30701e3c780751"},"schema_version":"1.0"},"canonical_sha256":"4f3cce26840570a87403cd7c6aab7638de0a0c96fb11a29d120b1917f490516d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:32.726933Z","signature_b64":"pfvdcD2H8WMJgBg5j+myNwU1zC2J9nKre9pcTDJruEYe5WMtOi+XFFLtl8YJpBXjK6cE/iVHQRJBxbAZZ6LMCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f3cce26840570a87403cd7c6aab7638de0a0c96fb11a29d120b1917f490516d","last_reissued_at":"2026-05-18T00:34:32.726581Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:32.726581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.07608","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":"2026-05-18T00:34:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6f4skf8+r80HliEhlSXBW1FmnFDlRmsXy2HuBpFQDNh8bEMPk96lGttmGQ/sBQsvp33y5CJs5lfwMn8YAoh1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:52:57.462984Z"},"content_sha256":"c82ef387122fc86742ad32dbbb13dcc3e9b970bd733596ecf38169f663cb4f9d","schema_version":"1.0","event_id":"sha256:c82ef387122fc86742ad32dbbb13dcc3e9b970bd733596ecf38169f663cb4f9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:J46M4JUEAVYKQ5ADZV6GVK3WHD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spontaneous mass generation suggests small dimension of the SM group U(1)xSU(2)xSU(3)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Felipe J. Llanes-Estrada, Guillermo Garcia Fernandez, Jesus Guerrero Rojas","submitted_at":"2017-09-22T06:46:04Z","abstract_excerpt":"The reasons behind the gauge symmetry of the Standard Model, U(1)xSU(2)xSU(3), are still unsettled. One obvious feature is the low dimensionality of all its subgroups. Under certain conditions, a negative answer to the question \"why not larger groups like SU(15), or for that matter, SP(26) or E7?\" is possible.\n  We have recently observed that fermions charged under large groups acquire much bigger dynamical masses, all things being equal at a high e.g. GUT scale, than ordinary quarks. Should such multicharged fermions exist, they are just too heavy to be observed today (and have either decayed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07608","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":"2026-05-18T00:34:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AWLJioZ0xm2izqh1nw/qjurmB/ytYt/EcWweLUmzhctd4uI0EcQAd8Mwo1YXgCHjsKGYQH2KJ3V7wesVX+PqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:52:57.463669Z"},"content_sha256":"aa7cea45a41c987412f3daa9949e72f12bb239eb0ddf7845f32dc8b1efbd4abf","schema_version":"1.0","event_id":"sha256:aa7cea45a41c987412f3daa9949e72f12bb239eb0ddf7845f32dc8b1efbd4abf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J46M4JUEAVYKQ5ADZV6GVK3WHD/bundle.json","state_url":"https://pith.science/pith/J46M4JUEAVYKQ5ADZV6GVK3WHD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J46M4JUEAVYKQ5ADZV6GVK3WHD/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":"2026-06-07T15:52:57Z","links":{"resolver":"https://pith.science/pith/J46M4JUEAVYKQ5ADZV6GVK3WHD","bundle":"https://pith.science/pith/J46M4JUEAVYKQ5ADZV6GVK3WHD/bundle.json","state":"https://pith.science/pith/J46M4JUEAVYKQ5ADZV6GVK3WHD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J46M4JUEAVYKQ5ADZV6GVK3WHD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:J46M4JUEAVYKQ5ADZV6GVK3WHD","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":"088ca525c0750fcdfb384487def19c0a737c28321ce387913d30701e3c780751","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-09-22T06:46:04Z","title_canon_sha256":"4bce1e934e503e92259683610052df241d63bb98d01bcf6e2899da6aa02dd367"},"schema_version":"1.0","source":{"id":"1709.07608","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.07608","created_at":"2026-05-18T00:34:32Z"},{"alias_kind":"arxiv_version","alias_value":"1709.07608v1","created_at":"2026-05-18T00:34:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07608","created_at":"2026-05-18T00:34:32Z"},{"alias_kind":"pith_short_12","alias_value":"J46M4JUEAVYK","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"J46M4JUEAVYKQ5AD","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"J46M4JUE","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:aa7cea45a41c987412f3daa9949e72f12bb239eb0ddf7845f32dc8b1efbd4abf","target":"graph","created_at":"2026-05-18T00:34:32Z","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":"The reasons behind the gauge symmetry of the Standard Model, U(1)xSU(2)xSU(3), are still unsettled. One obvious feature is the low dimensionality of all its subgroups. Under certain conditions, a negative answer to the question \"why not larger groups like SU(15), or for that matter, SP(26) or E7?\" is possible.\n  We have recently observed that fermions charged under large groups acquire much bigger dynamical masses, all things being equal at a high e.g. GUT scale, than ordinary quarks. Should such multicharged fermions exist, they are just too heavy to be observed today (and have either decayed","authors_text":"Felipe J. Llanes-Estrada, Guillermo Garcia Fernandez, Jesus Guerrero Rojas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-09-22T06:46:04Z","title":"Spontaneous mass generation suggests small dimension of the SM group U(1)xSU(2)xSU(3)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07608","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:c82ef387122fc86742ad32dbbb13dcc3e9b970bd733596ecf38169f663cb4f9d","target":"record","created_at":"2026-05-18T00:34:32Z","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":"088ca525c0750fcdfb384487def19c0a737c28321ce387913d30701e3c780751","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-09-22T06:46:04Z","title_canon_sha256":"4bce1e934e503e92259683610052df241d63bb98d01bcf6e2899da6aa02dd367"},"schema_version":"1.0","source":{"id":"1709.07608","kind":"arxiv","version":1}},"canonical_sha256":"4f3cce26840570a87403cd7c6aab7638de0a0c96fb11a29d120b1917f490516d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f3cce26840570a87403cd7c6aab7638de0a0c96fb11a29d120b1917f490516d","first_computed_at":"2026-05-18T00:34:32.726581Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:32.726581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pfvdcD2H8WMJgBg5j+myNwU1zC2J9nKre9pcTDJruEYe5WMtOi+XFFLtl8YJpBXjK6cE/iVHQRJBxbAZZ6LMCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:32.726933Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.07608","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c82ef387122fc86742ad32dbbb13dcc3e9b970bd733596ecf38169f663cb4f9d","sha256:aa7cea45a41c987412f3daa9949e72f12bb239eb0ddf7845f32dc8b1efbd4abf"],"state_sha256":"e5b6f2ad5917264fa27c763711aa6ad04a38d6db883a1b90a62e81d56ae52e81"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/p819P8/rKmKaLjeKe3K7rsYyfkK/sUd8hjHh8i0h9a+OEGWD3wiUTIr7xyPGpCebDxMz6o9tmrVfiB+72jHDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T15:52:57.467075Z","bundle_sha256":"b81aa63aec9f4496ed63e18fa3e2a3bc0d223d72a50dbabdace874952762e9f7"}}