{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QHYTY3C72URSCD4O757V5BCEGD","short_pith_number":"pith:QHYTY3C7","canonical_record":{"source":{"id":"1104.4543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-23T09:27:27Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"077fda4b0457cc720585861da64a511aaa11e54a06965c255b7841b1178b461c","abstract_canon_sha256":"fb26d5076be5e05f380ce7d1b140fc80d3c811cbca946367e9b1c9e11984a6e3"},"schema_version":"1.0"},"canonical_sha256":"81f13c6c5fd523210f8eff7f5e844430cffa869623e72462e135c2e58294425e","source":{"kind":"arxiv","id":"1104.4543","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4543","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4543v1","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4543","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"pith_short_12","alias_value":"QHYTY3C72URS","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QHYTY3C72URSCD4O","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QHYTY3C7","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QHYTY3C72URSCD4O757V5BCEGD","target":"record","payload":{"canonical_record":{"source":{"id":"1104.4543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-23T09:27:27Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"077fda4b0457cc720585861da64a511aaa11e54a06965c255b7841b1178b461c","abstract_canon_sha256":"fb26d5076be5e05f380ce7d1b140fc80d3c811cbca946367e9b1c9e11984a6e3"},"schema_version":"1.0"},"canonical_sha256":"81f13c6c5fd523210f8eff7f5e844430cffa869623e72462e135c2e58294425e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:15.838483Z","signature_b64":"9ugTfEJvRONMmJMGSSBgyfp+zzAOdupH3LpgbxjjFKydW12laVFCKLzpA6GytOFcQTnpp5EaxlmVsdZy5I4qBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81f13c6c5fd523210f8eff7f5e844430cffa869623e72462e135c2e58294425e","last_reissued_at":"2026-05-18T02:02:15.837823Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:15.837823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.4543","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":"2026-05-18T02:02:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sx5DuYxfjGIIFO2WYImJTKZpTYik0wqIKQ6wNG6yEzq4yc4/kULtNQBjBZPdQ58giw7MrTcu52V1vkwRxUyMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:43:42.974704Z"},"content_sha256":"e05809340bb3f66c592d28671cb45eace22f10b60fe30cc4ed04a2efdf412bd7","schema_version":"1.0","event_id":"sha256:e05809340bb3f66c592d28671cb45eace22f10b60fe30cc4ed04a2efdf412bd7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QHYTY3C72URSCD4O757V5BCEGD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A class of elementary particle models without any adjustable real parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Gerard 't Hooft","submitted_at":"2011-04-23T09:27:27Z","abstract_excerpt":"Conventional particle theories such as the Standard Model have a number of freely adjustable coupling constants and mass parameters, depending on the symmetry algebra of the local gauge group and the representations chosen for the spinor and scalar fields. There seems to be no physical principle to determine these parameters as long as they stay within certain domains dictated by the renormalization group. Here however, reasons are given to demand that, when gravity is coupled to the system, local conformal invariance should be a spontaneously broken exact symmetry. The argument has to do with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4543","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":"2026-05-18T02:02:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Ui52JUZZjEb2svqqN6yzEeFKhnOzZGekBgWwTZ3ARU/RFBdCOq99PKNFyx8VZWIDGogje0c0uywCD+ghG/+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:43:42.975063Z"},"content_sha256":"45fedea4277769931cacfdfb0fa0f4ee405db8b79994a8f5a615fd5b6d82d56e","schema_version":"1.0","event_id":"sha256:45fedea4277769931cacfdfb0fa0f4ee405db8b79994a8f5a615fd5b6d82d56e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QHYTY3C72URSCD4O757V5BCEGD/bundle.json","state_url":"https://pith.science/pith/QHYTY3C72URSCD4O757V5BCEGD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QHYTY3C72URSCD4O757V5BCEGD/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":"2026-05-25T21:43:42Z","links":{"resolver":"https://pith.science/pith/QHYTY3C72URSCD4O757V5BCEGD","bundle":"https://pith.science/pith/QHYTY3C72URSCD4O757V5BCEGD/bundle.json","state":"https://pith.science/pith/QHYTY3C72URSCD4O757V5BCEGD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QHYTY3C72URSCD4O757V5BCEGD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QHYTY3C72URSCD4O757V5BCEGD","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":"fb26d5076be5e05f380ce7d1b140fc80d3c811cbca946367e9b1c9e11984a6e3","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-23T09:27:27Z","title_canon_sha256":"077fda4b0457cc720585861da64a511aaa11e54a06965c255b7841b1178b461c"},"schema_version":"1.0","source":{"id":"1104.4543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4543","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4543v1","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4543","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"pith_short_12","alias_value":"QHYTY3C72URS","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QHYTY3C72URSCD4O","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QHYTY3C7","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:45fedea4277769931cacfdfb0fa0f4ee405db8b79994a8f5a615fd5b6d82d56e","target":"graph","created_at":"2026-05-18T02:02:15Z","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":"Conventional particle theories such as the Standard Model have a number of freely adjustable coupling constants and mass parameters, depending on the symmetry algebra of the local gauge group and the representations chosen for the spinor and scalar fields. There seems to be no physical principle to determine these parameters as long as they stay within certain domains dictated by the renormalization group. Here however, reasons are given to demand that, when gravity is coupled to the system, local conformal invariance should be a spontaneously broken exact symmetry. The argument has to do with","authors_text":"Gerard 't Hooft","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-23T09:27:27Z","title":"A class of elementary particle models without any adjustable real parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4543","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:e05809340bb3f66c592d28671cb45eace22f10b60fe30cc4ed04a2efdf412bd7","target":"record","created_at":"2026-05-18T02:02:15Z","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":"fb26d5076be5e05f380ce7d1b140fc80d3c811cbca946367e9b1c9e11984a6e3","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-23T09:27:27Z","title_canon_sha256":"077fda4b0457cc720585861da64a511aaa11e54a06965c255b7841b1178b461c"},"schema_version":"1.0","source":{"id":"1104.4543","kind":"arxiv","version":1}},"canonical_sha256":"81f13c6c5fd523210f8eff7f5e844430cffa869623e72462e135c2e58294425e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81f13c6c5fd523210f8eff7f5e844430cffa869623e72462e135c2e58294425e","first_computed_at":"2026-05-18T02:02:15.837823Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:15.837823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9ugTfEJvRONMmJMGSSBgyfp+zzAOdupH3LpgbxjjFKydW12laVFCKLzpA6GytOFcQTnpp5EaxlmVsdZy5I4qBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:15.838483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e05809340bb3f66c592d28671cb45eace22f10b60fe30cc4ed04a2efdf412bd7","sha256:45fedea4277769931cacfdfb0fa0f4ee405db8b79994a8f5a615fd5b6d82d56e"],"state_sha256":"1c3fbf588872e72ab059387ddabc7bbda95af74301714c14376ebf12c30405de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XdSK+3UeZB+FchwfjjPodX3aroGtH8HJw1kUkWF2sOVzPIO8ULQqu/Aazfi9rCYdpr83nFRfsesAHutuhFy8Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:43:42.977757Z","bundle_sha256":"4f4b6d57b6457bc292c214a9634f46cf4071391207e25d7022f80758fe76a6d3"}}