{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:RPZSTII4I3VVOKPYUQPMLXTRKS","short_pith_number":"pith:RPZSTII4","canonical_record":{"source":{"id":"1505.03518","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-13T20:00:34Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"769c926a1c7c8d824ebc63a44c42e2c5c283c47312e6e4a752fee4e2d07fbadd","abstract_canon_sha256":"5458b90a76012aad41550c0bbda9d5d21fa21ae536b64f3a2261f55030efe73f"},"schema_version":"1.0"},"canonical_sha256":"8bf329a11c46eb5729f8a41ec5de715486451c07d55486b08a16b6ce70e3409f","source":{"kind":"arxiv","id":"1505.03518","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.03518","created_at":"2026-05-18T01:34:49Z"},{"alias_kind":"arxiv_version","alias_value":"1505.03518v1","created_at":"2026-05-18T01:34:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03518","created_at":"2026-05-18T01:34:49Z"},{"alias_kind":"pith_short_12","alias_value":"RPZSTII4I3VV","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RPZSTII4I3VVOKPY","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RPZSTII4","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:RPZSTII4I3VVOKPYUQPMLXTRKS","target":"record","payload":{"canonical_record":{"source":{"id":"1505.03518","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-13T20:00:34Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"769c926a1c7c8d824ebc63a44c42e2c5c283c47312e6e4a752fee4e2d07fbadd","abstract_canon_sha256":"5458b90a76012aad41550c0bbda9d5d21fa21ae536b64f3a2261f55030efe73f"},"schema_version":"1.0"},"canonical_sha256":"8bf329a11c46eb5729f8a41ec5de715486451c07d55486b08a16b6ce70e3409f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:49.747852Z","signature_b64":"LHi33eiycKVGFCpDXDeGm53NVB3Xi1YjOjfZL0fsjpaXxuApJk8JTV2LW+aM/oVP5Q/TX0n9ON9ivewhkGa3Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8bf329a11c46eb5729f8a41ec5de715486451c07d55486b08a16b6ce70e3409f","last_reissued_at":"2026-05-18T01:34:49.747270Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:49.747270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.03518","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":"2026-05-18T01:34:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KhLiZlKhtt57rpmeiS+myqmBkgTA3StgaBn3Z8Y72SonUq+qHV1zyFyTPxJ89LNWr+yKSE/FnLJm2hDT5Dw2AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:48:30.638889Z"},"content_sha256":"e197088f9251620d27dc52e51c9b8c9839bbc512a0007995e3241eea1f8dc67c","schema_version":"1.0","event_id":"sha256:e197088f9251620d27dc52e51c9b8c9839bbc512a0007995e3241eea1f8dc67c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:RPZSTII4I3VVOKPYUQPMLXTRKS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-accelerating Massive Gravity: Superluminality, Cauchy Surfaces and Strong Coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-th","authors_text":"Austin Joyce, Hayato Motohashi, Pavel Motloch, Wayne Hu","submitted_at":"2015-05-13T20:00:34Z","abstract_excerpt":"Self-accelerating solutions in massive gravity provide explicit, calculable examples that exhibit the general interplay between superluminality, the well-posedness of the Cauchy problem, and strong coupling. For three particular classes of vacuum solutions, one of which is new to this work, we construct the conformal diagram for the characteristic surfaces on which isotropic stress-energy perturbations propagate. With one exception, all solutions necessarily possess spacelike characteristics, indicating perturbative superluminality. Foliating the spacetime with these surfaces gives a pathologi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03518","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":"2026-05-18T01:34:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xoFwFvnhVBD4F7HNYSDrnOPXKdQ09xBDm3F4IRnwinmAiOWect8jkQnCfIBF5ctqFgzFvAZkApi2OWtYx8cmDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:48:30.639652Z"},"content_sha256":"3bc71315451d5d068ad1122d97380affe60682bcf4d589ed7213ef7fe71b5f6d","schema_version":"1.0","event_id":"sha256:3bc71315451d5d068ad1122d97380affe60682bcf4d589ed7213ef7fe71b5f6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RPZSTII4I3VVOKPYUQPMLXTRKS/bundle.json","state_url":"https://pith.science/pith/RPZSTII4I3VVOKPYUQPMLXTRKS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RPZSTII4I3VVOKPYUQPMLXTRKS/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":"2026-05-25T22:48:30Z","links":{"resolver":"https://pith.science/pith/RPZSTII4I3VVOKPYUQPMLXTRKS","bundle":"https://pith.science/pith/RPZSTII4I3VVOKPYUQPMLXTRKS/bundle.json","state":"https://pith.science/pith/RPZSTII4I3VVOKPYUQPMLXTRKS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RPZSTII4I3VVOKPYUQPMLXTRKS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RPZSTII4I3VVOKPYUQPMLXTRKS","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":"5458b90a76012aad41550c0bbda9d5d21fa21ae536b64f3a2261f55030efe73f","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-13T20:00:34Z","title_canon_sha256":"769c926a1c7c8d824ebc63a44c42e2c5c283c47312e6e4a752fee4e2d07fbadd"},"schema_version":"1.0","source":{"id":"1505.03518","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.03518","created_at":"2026-05-18T01:34:49Z"},{"alias_kind":"arxiv_version","alias_value":"1505.03518v1","created_at":"2026-05-18T01:34:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03518","created_at":"2026-05-18T01:34:49Z"},{"alias_kind":"pith_short_12","alias_value":"RPZSTII4I3VV","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RPZSTII4I3VVOKPY","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RPZSTII4","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:3bc71315451d5d068ad1122d97380affe60682bcf4d589ed7213ef7fe71b5f6d","target":"graph","created_at":"2026-05-18T01:34:49Z","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":"Self-accelerating solutions in massive gravity provide explicit, calculable examples that exhibit the general interplay between superluminality, the well-posedness of the Cauchy problem, and strong coupling. For three particular classes of vacuum solutions, one of which is new to this work, we construct the conformal diagram for the characteristic surfaces on which isotropic stress-energy perturbations propagate. With one exception, all solutions necessarily possess spacelike characteristics, indicating perturbative superluminality. Foliating the spacetime with these surfaces gives a pathologi","authors_text":"Austin Joyce, Hayato Motohashi, Pavel Motloch, Wayne Hu","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-13T20:00:34Z","title":"Self-accelerating Massive Gravity: Superluminality, Cauchy Surfaces and Strong Coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03518","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:e197088f9251620d27dc52e51c9b8c9839bbc512a0007995e3241eea1f8dc67c","target":"record","created_at":"2026-05-18T01:34:49Z","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":"5458b90a76012aad41550c0bbda9d5d21fa21ae536b64f3a2261f55030efe73f","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-13T20:00:34Z","title_canon_sha256":"769c926a1c7c8d824ebc63a44c42e2c5c283c47312e6e4a752fee4e2d07fbadd"},"schema_version":"1.0","source":{"id":"1505.03518","kind":"arxiv","version":1}},"canonical_sha256":"8bf329a11c46eb5729f8a41ec5de715486451c07d55486b08a16b6ce70e3409f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8bf329a11c46eb5729f8a41ec5de715486451c07d55486b08a16b6ce70e3409f","first_computed_at":"2026-05-18T01:34:49.747270Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:49.747270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LHi33eiycKVGFCpDXDeGm53NVB3Xi1YjOjfZL0fsjpaXxuApJk8JTV2LW+aM/oVP5Q/TX0n9ON9ivewhkGa3Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:49.747852Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.03518","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e197088f9251620d27dc52e51c9b8c9839bbc512a0007995e3241eea1f8dc67c","sha256:3bc71315451d5d068ad1122d97380affe60682bcf4d589ed7213ef7fe71b5f6d"],"state_sha256":"6c9d4d7fa5b14e7537d5d4e68151d55d08059e38657d761fb71fc49f8841d1cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PKilEMTSTKzmbc2HxNjfgNyYnMVeA4XSP4dsTzlTenv3a+KbAC0iuVGUN1rMWqRIALqAaFb7wAj2lMfOlzrBDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:48:30.643344Z","bundle_sha256":"d91d6789457e40a560672f531e49ebf3db9c1d8b6430554776bb16bf5c7034ed"}}