{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:MDOIONX7FFOVSEAXC7UW3XEFQN","short_pith_number":"pith:MDOIONX7","canonical_record":{"source":{"id":"2307.13803","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-07-25T20:16:16Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"bf0eecf418768a6681269177cd33d0dd4ad214c2585628a64ad2079a3b6f8e04","abstract_canon_sha256":"ea18f6e156c1dd95e52472a0c6e782d899adcd47f1a403c49215b62c9c5b2e14"},"schema_version":"1.0"},"canonical_sha256":"60dc8736ff295d59101717e96ddc85835a391cc88f36a929afb183197b8fb02f","source":{"kind":"arxiv","id":"2307.13803","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.13803","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2307.13803v2","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13803","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"MDOIONX7FFOV","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"MDOIONX7FFOVSEAX","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"MDOIONX7","created_at":"2026-07-05T07:36:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:MDOIONX7FFOVSEAXC7UW3XEFQN","target":"record","payload":{"canonical_record":{"source":{"id":"2307.13803","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-07-25T20:16:16Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"bf0eecf418768a6681269177cd33d0dd4ad214c2585628a64ad2079a3b6f8e04","abstract_canon_sha256":"ea18f6e156c1dd95e52472a0c6e782d899adcd47f1a403c49215b62c9c5b2e14"},"schema_version":"1.0"},"canonical_sha256":"60dc8736ff295d59101717e96ddc85835a391cc88f36a929afb183197b8fb02f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:36:01.990681Z","signature_b64":"ZGxZUI6jGDRLMuag5p7vrK8mmWzUDzmaYhxulBeE9s2RgbzLVhE7fvSO7IZKpiJpAPkF6OxyMTJnc7TobQXvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60dc8736ff295d59101717e96ddc85835a391cc88f36a929afb183197b8fb02f","last_reissued_at":"2026-07-05T07:36:01.990275Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:36:01.990275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.13803","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mSNFnb/SIfte7zW3xQxIO6xYUNcMQzXNQfhQByXW4/1ZqqGfOO0UuYVTCT6iih8tV1uTe5NWhMOwgzNwslTZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:06:43.074264Z"},"content_sha256":"0013bf09d129684283144169b138e0ffaa6dfb2562bd0310699d0f425644caf0","schema_version":"1.0","event_id":"sha256:0013bf09d129684283144169b138e0ffaa6dfb2562bd0310699d0f425644caf0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:MDOIONX7FFOVSEAXC7UW3XEFQN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Massive graviton from diffeomorphism invariance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Iber\\^e Kuntz, Jo\\~ao M. L. de Freitas","submitted_at":"2023-07-25T20:16:16Z","abstract_excerpt":"We describe a mechanism in which the graviton acquires a mass from the functional measure without violating the diffeomorphism symmetry nor including St\\\"uckelberg fields. Since gauge invariance is not violated, the number of degrees of freedom goes as in general relativity. For the same reason, Boulware-Deser ghosts and the vDVZ disconinuity do not show up. The graviton thus becomes massive at the quantum level while avoiding the usual issues of massive gravity."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13803","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.13803/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RL/YA2HAnAxEyDrGAGkmyRlAkQNQcrSVSButnnAlnoBuEV8xE/i8DYSjHj03Ztij1is3YxmaWxqahh77frEYAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:06:43.074751Z"},"content_sha256":"690c532c92b93ba87ee52e1c3c979d13d4bc190f071790b7a5e817d26a4e150e","schema_version":"1.0","event_id":"sha256:690c532c92b93ba87ee52e1c3c979d13d4bc190f071790b7a5e817d26a4e150e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MDOIONX7FFOVSEAXC7UW3XEFQN/bundle.json","state_url":"https://pith.science/pith/MDOIONX7FFOVSEAXC7UW3XEFQN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MDOIONX7FFOVSEAXC7UW3XEFQN/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":"2026-08-09T00:06:43Z","links":{"resolver":"https://pith.science/pith/MDOIONX7FFOVSEAXC7UW3XEFQN","bundle":"https://pith.science/pith/MDOIONX7FFOVSEAXC7UW3XEFQN/bundle.json","state":"https://pith.science/pith/MDOIONX7FFOVSEAXC7UW3XEFQN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MDOIONX7FFOVSEAXC7UW3XEFQN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:MDOIONX7FFOVSEAXC7UW3XEFQN","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":"ea18f6e156c1dd95e52472a0c6e782d899adcd47f1a403c49215b62c9c5b2e14","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-07-25T20:16:16Z","title_canon_sha256":"bf0eecf418768a6681269177cd33d0dd4ad214c2585628a64ad2079a3b6f8e04"},"schema_version":"1.0","source":{"id":"2307.13803","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.13803","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2307.13803v2","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13803","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"MDOIONX7FFOV","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"MDOIONX7FFOVSEAX","created_at":"2026-07-05T07:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"MDOIONX7","created_at":"2026-07-05T07:36:01Z"}],"graph_snapshots":[{"event_id":"sha256:690c532c92b93ba87ee52e1c3c979d13d4bc190f071790b7a5e817d26a4e150e","target":"graph","created_at":"2026-07-05T07:36:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2307.13803/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe a mechanism in which the graviton acquires a mass from the functional measure without violating the diffeomorphism symmetry nor including St\\\"uckelberg fields. Since gauge invariance is not violated, the number of degrees of freedom goes as in general relativity. For the same reason, Boulware-Deser ghosts and the vDVZ disconinuity do not show up. The graviton thus becomes massive at the quantum level while avoiding the usual issues of massive gravity.","authors_text":"Iber\\^e Kuntz, Jo\\~ao M. L. de Freitas","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-07-25T20:16:16Z","title":"Massive graviton from diffeomorphism invariance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13803","kind":"arxiv","version":2},"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":"sha256:0013bf09d129684283144169b138e0ffaa6dfb2562bd0310699d0f425644caf0","target":"record","created_at":"2026-07-05T07:36:01Z","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":"ea18f6e156c1dd95e52472a0c6e782d899adcd47f1a403c49215b62c9c5b2e14","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-07-25T20:16:16Z","title_canon_sha256":"bf0eecf418768a6681269177cd33d0dd4ad214c2585628a64ad2079a3b6f8e04"},"schema_version":"1.0","source":{"id":"2307.13803","kind":"arxiv","version":2}},"canonical_sha256":"60dc8736ff295d59101717e96ddc85835a391cc88f36a929afb183197b8fb02f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60dc8736ff295d59101717e96ddc85835a391cc88f36a929afb183197b8fb02f","first_computed_at":"2026-07-05T07:36:01.990275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:36:01.990275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZGxZUI6jGDRLMuag5p7vrK8mmWzUDzmaYhxulBeE9s2RgbzLVhE7fvSO7IZKpiJpAPkF6OxyMTJnc7TobQXvDg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:36:01.990681Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.13803","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0013bf09d129684283144169b138e0ffaa6dfb2562bd0310699d0f425644caf0","sha256:690c532c92b93ba87ee52e1c3c979d13d4bc190f071790b7a5e817d26a4e150e"],"state_sha256":"ab1447e001c604aad06ff521d7cdc489f52ee101975bcb6a167ad118d69816c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TIPbqGG9peC6ftfObMujip9fF8XpIn5gpur+7HE/b3P3DXxZozPXCi8e4+up59eg7xXyZReZ9MXte+UGTEbiAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T00:06:43.080196Z","bundle_sha256":"05899fbfcbafc2a3aab648b4dc49f412283f16d857892fe57b19f443ffcdf386"}}