{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:L3COXRAFEY27BQLXJMAGWVSMVK","short_pith_number":"pith:L3COXRAF","canonical_record":{"source":{"id":"1401.2941","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-13T18:23:57Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"d91ba73dd563b84b5f6e6d9e2363e7f6d93419f251c31ebc1a88889e71d0bbba","abstract_canon_sha256":"87d2948b88b1f8c26132293999f15e3e90d903a0ddccac92da2e3b4b0cd00679"},"schema_version":"1.0"},"canonical_sha256":"5ec4ebc4052635f0c1774b006b564caab77961946a18e2ba41f77cd7e25540dd","source":{"kind":"arxiv","id":"1401.2941","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2941","created_at":"2026-05-18T02:49:12Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2941v2","created_at":"2026-05-18T02:49:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2941","created_at":"2026-05-18T02:49:12Z"},{"alias_kind":"pith_short_12","alias_value":"L3COXRAFEY27","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"L3COXRAFEY27BQLX","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"L3COXRAF","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:L3COXRAFEY27BQLXJMAGWVSMVK","target":"record","payload":{"canonical_record":{"source":{"id":"1401.2941","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-13T18:23:57Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"d91ba73dd563b84b5f6e6d9e2363e7f6d93419f251c31ebc1a88889e71d0bbba","abstract_canon_sha256":"87d2948b88b1f8c26132293999f15e3e90d903a0ddccac92da2e3b4b0cd00679"},"schema_version":"1.0"},"canonical_sha256":"5ec4ebc4052635f0c1774b006b564caab77961946a18e2ba41f77cd7e25540dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:12.026006Z","signature_b64":"IKD2F2yXy9hBlwM3DCc2+GZ+KpyuCtGfQGgqfOBfFoNigV7xLKZPTHyysgKfNCl0FK+NeLLZMlYBOqZNsSWtAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ec4ebc4052635f0c1774b006b564caab77961946a18e2ba41f77cd7e25540dd","last_reissued_at":"2026-05-18T02:49:12.025418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:12.025418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.2941","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":"2026-05-18T02:49:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QzchsH+V4vwsZRv1gn97F/HfJ/1jT639QC3U5OjOLyQqu/wIMqfVw+0l7b5RuP+TIJJmzzmriNyLBLHDRNXOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:48:52.070077Z"},"content_sha256":"340d8339cbf3aa61f28714ddc62b1c5a8202548152073c1f2ea2ec1d8d7b720c","schema_version":"1.0","event_id":"sha256:340d8339cbf3aa61f28714ddc62b1c5a8202548152073c1f2ea2ec1d8d7b720c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:L3COXRAFEY27BQLXJMAGWVSMVK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unimodular gravity and general relativity from graviton self-interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos Barcel\\'o, Luis J. Garay, Ra\\'ul Carballo-Rubio","submitted_at":"2014-01-13T18:23:57Z","abstract_excerpt":"It is commonly accepted that general relativity is the only solution to the consistency problem that appears when trying to build a theory of interacting gravitons (massless spin-2 particles). Padmanabhan's 2008 thought-provoking analysis raised some concerns that are having resonance in the community. In this work we present the self-coupling problem in detail and explicitly solve the infinite-iterations scheme associated with it for the simplest theory of a graviton field, which corresponds to an irreducible spin-2 representation of the Poincar\\'e group. We make explicit the non-uniqueness p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2941","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":""},"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":"2026-05-18T02:49:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uufarX2DKWu8lUvR5Qxqp4hgY20tau9+Xa2BwyLat1ibmyr37uBVLpU7tW+5pY4R0DLPWnZdBCpKRiPmpDAFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:48:52.070449Z"},"content_sha256":"c4f52d694fef5443a5fb230823f72d42171088ef1812640c756375c967aa2f83","schema_version":"1.0","event_id":"sha256:c4f52d694fef5443a5fb230823f72d42171088ef1812640c756375c967aa2f83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L3COXRAFEY27BQLXJMAGWVSMVK/bundle.json","state_url":"https://pith.science/pith/L3COXRAFEY27BQLXJMAGWVSMVK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L3COXRAFEY27BQLXJMAGWVSMVK/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":"2026-05-28T06:48:52Z","links":{"resolver":"https://pith.science/pith/L3COXRAFEY27BQLXJMAGWVSMVK","bundle":"https://pith.science/pith/L3COXRAFEY27BQLXJMAGWVSMVK/bundle.json","state":"https://pith.science/pith/L3COXRAFEY27BQLXJMAGWVSMVK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L3COXRAFEY27BQLXJMAGWVSMVK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:L3COXRAFEY27BQLXJMAGWVSMVK","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":"87d2948b88b1f8c26132293999f15e3e90d903a0ddccac92da2e3b4b0cd00679","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-13T18:23:57Z","title_canon_sha256":"d91ba73dd563b84b5f6e6d9e2363e7f6d93419f251c31ebc1a88889e71d0bbba"},"schema_version":"1.0","source":{"id":"1401.2941","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2941","created_at":"2026-05-18T02:49:12Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2941v2","created_at":"2026-05-18T02:49:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2941","created_at":"2026-05-18T02:49:12Z"},{"alias_kind":"pith_short_12","alias_value":"L3COXRAFEY27","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"L3COXRAFEY27BQLX","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"L3COXRAF","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:c4f52d694fef5443a5fb230823f72d42171088ef1812640c756375c967aa2f83","target":"graph","created_at":"2026-05-18T02:49:12Z","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 accepted that general relativity is the only solution to the consistency problem that appears when trying to build a theory of interacting gravitons (massless spin-2 particles). Padmanabhan's 2008 thought-provoking analysis raised some concerns that are having resonance in the community. In this work we present the self-coupling problem in detail and explicitly solve the infinite-iterations scheme associated with it for the simplest theory of a graviton field, which corresponds to an irreducible spin-2 representation of the Poincar\\'e group. We make explicit the non-uniqueness p","authors_text":"Carlos Barcel\\'o, Luis J. Garay, Ra\\'ul Carballo-Rubio","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-13T18:23:57Z","title":"Unimodular gravity and general relativity from graviton self-interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2941","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":"sha256:340d8339cbf3aa61f28714ddc62b1c5a8202548152073c1f2ea2ec1d8d7b720c","target":"record","created_at":"2026-05-18T02:49:12Z","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":"87d2948b88b1f8c26132293999f15e3e90d903a0ddccac92da2e3b4b0cd00679","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-13T18:23:57Z","title_canon_sha256":"d91ba73dd563b84b5f6e6d9e2363e7f6d93419f251c31ebc1a88889e71d0bbba"},"schema_version":"1.0","source":{"id":"1401.2941","kind":"arxiv","version":2}},"canonical_sha256":"5ec4ebc4052635f0c1774b006b564caab77961946a18e2ba41f77cd7e25540dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ec4ebc4052635f0c1774b006b564caab77961946a18e2ba41f77cd7e25540dd","first_computed_at":"2026-05-18T02:49:12.025418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:12.025418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IKD2F2yXy9hBlwM3DCc2+GZ+KpyuCtGfQGgqfOBfFoNigV7xLKZPTHyysgKfNCl0FK+NeLLZMlYBOqZNsSWtAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:12.026006Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.2941","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:340d8339cbf3aa61f28714ddc62b1c5a8202548152073c1f2ea2ec1d8d7b720c","sha256:c4f52d694fef5443a5fb230823f72d42171088ef1812640c756375c967aa2f83"],"state_sha256":"17495f1182b75562fb78fd0c1fb17b1076d4abefbb05c658fa3bda9768707786"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a87XWvmoBTu1UKZ7Betbju9k4qBhc9zwPt59AXQ4vy4ZCzwy/Ve6xKOHQQwLAi1+XTT2FVLD+3bFo8O05kD+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:48:52.072581Z","bundle_sha256":"81c5ec3f2c9db787b86f1e8ff721d7c76a7aaf42580d406b8080cd8cc4ad6936"}}