{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:LKGSO7USKRA2MC574P6UGZIQE3","short_pith_number":"pith:LKGSO7US","canonical_record":{"source":{"id":"2403.17148","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2024-03-25T19:50:59Z","cross_cats_sorted":[],"title_canon_sha256":"e5a01cdb3a76077d4892040dfd8661334d2359caca4aeca4154c44856e16fd3e","abstract_canon_sha256":"8327a7e1c7fc54353bffd3d33c74f346cc2bd140e8c29c60f9f5300c458105f9"},"schema_version":"1.0"},"canonical_sha256":"5a8d277e925441a60bbfe3fd43651026de307a4a906dbd32ccb6d5e75e078522","source":{"kind":"arxiv","id":"2403.17148","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.17148","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"arxiv_version","alias_value":"2403.17148v2","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.17148","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"pith_short_12","alias_value":"LKGSO7USKRA2","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"pith_short_16","alias_value":"LKGSO7USKRA2MC57","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"pith_short_8","alias_value":"LKGSO7US","created_at":"2026-07-05T09:08:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:LKGSO7USKRA2MC574P6UGZIQE3","target":"record","payload":{"canonical_record":{"source":{"id":"2403.17148","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2024-03-25T19:50:59Z","cross_cats_sorted":[],"title_canon_sha256":"e5a01cdb3a76077d4892040dfd8661334d2359caca4aeca4154c44856e16fd3e","abstract_canon_sha256":"8327a7e1c7fc54353bffd3d33c74f346cc2bd140e8c29c60f9f5300c458105f9"},"schema_version":"1.0"},"canonical_sha256":"5a8d277e925441a60bbfe3fd43651026de307a4a906dbd32ccb6d5e75e078522","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:08:24.183069Z","signature_b64":"TtbIv6CObZSswvnQeSdEGltBHOU5NXvQjaerRs5PUxCHpG+kSPcpq6W2R4a2l0eGaCQ5I4nb8uy5uoIBtmRDDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a8d277e925441a60bbfe3fd43651026de307a4a906dbd32ccb6d5e75e078522","last_reissued_at":"2026-07-05T09:08:24.182566Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:08:24.182566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.17148","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":"2026-07-05T09:08:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pqWmH8wxj7ZXnvHQTAObxDgVC7A9jkVfw67IFSTdTwUaQHBQbg5+Inz4y4bqhSF2teuuBYBnEKZKuUivpK0CDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T16:48:47.372551Z"},"content_sha256":"88254b25aee0ae74c9510bc1f8da029cd5f40ae7e15cad5e9eff3ced03024e94","schema_version":"1.0","event_id":"sha256:88254b25aee0ae74c9510bc1f8da029cd5f40ae7e15cad5e9eff3ced03024e94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:LKGSO7USKRA2MC574P6UGZIQE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low spin solutions of Higher Spin Gravity: BPST instanton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Evgeny Skvortsov, Yihao Yin","submitted_at":"2024-03-25T19:50:59Z","abstract_excerpt":"Higher spin gravities do not have a low energy limit where higher-spin fields decouple from gravity. Nevertheless, it is possible to construct fine-tuned exact solutions that activate low-spin fields without sourcing the higher-spin fields. We show that BPST (Belavin-Polyakov-Schwartz-Tyupkin) instanton is an exact solution of Chiral Higher Spin Gravity, i.e. it is also a solution of the holographic dual of Chern-Simons matter theories. This gives an example of a low-spin solution. The instanton sources the opposite helicity spin-one field and a scalar field. We derive an Effective Field Theor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.17148","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/2403.17148/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":"2026-07-05T09:08:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T096ZRZzbBuzJ5ola6wr1jvSNxQh4oU+ditXpypTODAm4AFlnGEJ89YIbw4Pa6IUeO8JCRn50DNRuLozDuEeDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T16:48:47.373063Z"},"content_sha256":"a9fdd832f2692f797b9bfd49e13ef68df4a614547a162d61a53a30306e9dfa4b","schema_version":"1.0","event_id":"sha256:a9fdd832f2692f797b9bfd49e13ef68df4a614547a162d61a53a30306e9dfa4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LKGSO7USKRA2MC574P6UGZIQE3/bundle.json","state_url":"https://pith.science/pith/LKGSO7USKRA2MC574P6UGZIQE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LKGSO7USKRA2MC574P6UGZIQE3/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":"2026-08-07T16:48:47Z","links":{"resolver":"https://pith.science/pith/LKGSO7USKRA2MC574P6UGZIQE3","bundle":"https://pith.science/pith/LKGSO7USKRA2MC574P6UGZIQE3/bundle.json","state":"https://pith.science/pith/LKGSO7USKRA2MC574P6UGZIQE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LKGSO7USKRA2MC574P6UGZIQE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:LKGSO7USKRA2MC574P6UGZIQE3","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":"8327a7e1c7fc54353bffd3d33c74f346cc2bd140e8c29c60f9f5300c458105f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2024-03-25T19:50:59Z","title_canon_sha256":"e5a01cdb3a76077d4892040dfd8661334d2359caca4aeca4154c44856e16fd3e"},"schema_version":"1.0","source":{"id":"2403.17148","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.17148","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"arxiv_version","alias_value":"2403.17148v2","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.17148","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"pith_short_12","alias_value":"LKGSO7USKRA2","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"pith_short_16","alias_value":"LKGSO7USKRA2MC57","created_at":"2026-07-05T09:08:24Z"},{"alias_kind":"pith_short_8","alias_value":"LKGSO7US","created_at":"2026-07-05T09:08:24Z"}],"graph_snapshots":[{"event_id":"sha256:a9fdd832f2692f797b9bfd49e13ef68df4a614547a162d61a53a30306e9dfa4b","target":"graph","created_at":"2026-07-05T09:08:24Z","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/2403.17148/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Higher spin gravities do not have a low energy limit where higher-spin fields decouple from gravity. Nevertheless, it is possible to construct fine-tuned exact solutions that activate low-spin fields without sourcing the higher-spin fields. We show that BPST (Belavin-Polyakov-Schwartz-Tyupkin) instanton is an exact solution of Chiral Higher Spin Gravity, i.e. it is also a solution of the holographic dual of Chern-Simons matter theories. This gives an example of a low-spin solution. The instanton sources the opposite helicity spin-one field and a scalar field. We derive an Effective Field Theor","authors_text":"Evgeny Skvortsov, Yihao Yin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2024-03-25T19:50:59Z","title":"Low spin solutions of Higher Spin Gravity: BPST instanton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.17148","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":"sha256:88254b25aee0ae74c9510bc1f8da029cd5f40ae7e15cad5e9eff3ced03024e94","target":"record","created_at":"2026-07-05T09:08:24Z","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":"8327a7e1c7fc54353bffd3d33c74f346cc2bd140e8c29c60f9f5300c458105f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2024-03-25T19:50:59Z","title_canon_sha256":"e5a01cdb3a76077d4892040dfd8661334d2359caca4aeca4154c44856e16fd3e"},"schema_version":"1.0","source":{"id":"2403.17148","kind":"arxiv","version":2}},"canonical_sha256":"5a8d277e925441a60bbfe3fd43651026de307a4a906dbd32ccb6d5e75e078522","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a8d277e925441a60bbfe3fd43651026de307a4a906dbd32ccb6d5e75e078522","first_computed_at":"2026-07-05T09:08:24.182566Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:08:24.182566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TtbIv6CObZSswvnQeSdEGltBHOU5NXvQjaerRs5PUxCHpG+kSPcpq6W2R4a2l0eGaCQ5I4nb8uy5uoIBtmRDDg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:08:24.183069Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.17148","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88254b25aee0ae74c9510bc1f8da029cd5f40ae7e15cad5e9eff3ced03024e94","sha256:a9fdd832f2692f797b9bfd49e13ef68df4a614547a162d61a53a30306e9dfa4b"],"state_sha256":"9bb306a569eebb93f6999119945fbeaff2d83ade13bb805b5c577c5b0ab9337e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIssT2fqzbkfkZkHP0mqjGc/uZx4KrH//YaNdJqfXWfx/HkaqeMitF8zv1mXhmanSTHv5ZqMazo/D3OBnmmJAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T16:48:47.378697Z","bundle_sha256":"f263ae8530cdc78a4bb5bae82b7cf75a993db5044676fa9f664f1b442fe11de0"}}