{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:RGFYB56RTWDVACMVJKM664LQAH","short_pith_number":"pith:RGFYB56R","canonical_record":{"source":{"id":"2105.08521","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-05-17T08:49:16Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"5c1be733e323c41b89fc162386446a9b5718ae6b57468485fca0855929e9d376","abstract_canon_sha256":"9275f5ef4eb56bd0dc17c85f6c7aba96ef4011bb36c9a4c8ba53d52944083447"},"schema_version":"1.0"},"canonical_sha256":"898b80f7d19d875009954a99ef717001d8767edbf259db33ae32fe7d8308dc09","source":{"kind":"arxiv","id":"2105.08521","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.08521","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"arxiv_version","alias_value":"2105.08521v2","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.08521","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"pith_short_12","alias_value":"RGFYB56RTWDV","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"pith_short_16","alias_value":"RGFYB56RTWDVACMV","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"pith_short_8","alias_value":"RGFYB56R","created_at":"2026-07-05T02:53:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:RGFYB56RTWDVACMVJKM664LQAH","target":"record","payload":{"canonical_record":{"source":{"id":"2105.08521","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-05-17T08:49:16Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"5c1be733e323c41b89fc162386446a9b5718ae6b57468485fca0855929e9d376","abstract_canon_sha256":"9275f5ef4eb56bd0dc17c85f6c7aba96ef4011bb36c9a4c8ba53d52944083447"},"schema_version":"1.0"},"canonical_sha256":"898b80f7d19d875009954a99ef717001d8767edbf259db33ae32fe7d8308dc09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:53:02.332700Z","signature_b64":"A69WTh7cH7SqzQMPAsVqO8pWOOO6TJ5CyaK3xUcyBAIyGcAWHWcLgtb2cbqR0RJvvV5qkWcscrQswn9P+RB+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"898b80f7d19d875009954a99ef717001d8767edbf259db33ae32fe7d8308dc09","last_reissued_at":"2026-07-05T02:53:02.332253Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:53:02.332253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.08521","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":"2026-07-05T02:53:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hYI9Xc6v87IQp4n8PfixkjYd3RiPpkrKkq8RDJa6emKGHQvvXsgv6iD4e6HaIgIwII1NM8GSJ48SCRGzpvCfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T16:28:20.425009Z"},"content_sha256":"c5bee2546f6b75a4437f54addb1321c2c1e6bff6839fc0c8126effb801c44d63","schema_version":"1.0","event_id":"sha256:c5bee2546f6b75a4437f54addb1321c2c1e6bff6839fc0c8126effb801c44d63"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:RGFYB56RTWDVACMVJKM664LQAH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shadows and rings of the Kehagias-Sfetsos black hole surrounded by thin disk accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Guo-Ping Li, Ke-Jian He","submitted_at":"2021-05-17T08:49:16Z","abstract_excerpt":"In this paper, under the illumination of thin disk accretion, we have employed the ray-tracing method to carefully investigate shadows and rings of the Kehagias-Sfetsos(KS) black hole in deformed Ho\\v{r}ava-Lifshitz(HL) gravity. The results show that the event horizon $r_+$, the radius $r_p$ and impact parameter $b_{p}$ of photon sphere are all decreased with the increase of the HL parameter $\\omega$, but the effective potential increases. And, it also turns out that the trajectories of light rays emitted from the north pole direction are defined as the direct emission, lensing ring and photon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.08521","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/2105.08521/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":"2026-07-05T02:53:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ZCJvlnx3zU59KGgGqkyA8IF1zmK0h2QST04Eee6zATOU8Xofle1tc4at499+vonNXvDZXE0yu99uPbfg0coBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T16:28:20.425627Z"},"content_sha256":"3bfb68ab8fa62b1aaf3d0a090fb5ce24d15fef74b9cf0223f95f4ea841943df5","schema_version":"1.0","event_id":"sha256:3bfb68ab8fa62b1aaf3d0a090fb5ce24d15fef74b9cf0223f95f4ea841943df5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RGFYB56RTWDVACMVJKM664LQAH/bundle.json","state_url":"https://pith.science/pith/RGFYB56RTWDVACMVJKM664LQAH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RGFYB56RTWDVACMVJKM664LQAH/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":"2026-08-09T16:28:20Z","links":{"resolver":"https://pith.science/pith/RGFYB56RTWDVACMVJKM664LQAH","bundle":"https://pith.science/pith/RGFYB56RTWDVACMVJKM664LQAH/bundle.json","state":"https://pith.science/pith/RGFYB56RTWDVACMVJKM664LQAH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RGFYB56RTWDVACMVJKM664LQAH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:RGFYB56RTWDVACMVJKM664LQAH","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":"9275f5ef4eb56bd0dc17c85f6c7aba96ef4011bb36c9a4c8ba53d52944083447","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-05-17T08:49:16Z","title_canon_sha256":"5c1be733e323c41b89fc162386446a9b5718ae6b57468485fca0855929e9d376"},"schema_version":"1.0","source":{"id":"2105.08521","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.08521","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"arxiv_version","alias_value":"2105.08521v2","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.08521","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"pith_short_12","alias_value":"RGFYB56RTWDV","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"pith_short_16","alias_value":"RGFYB56RTWDVACMV","created_at":"2026-07-05T02:53:02Z"},{"alias_kind":"pith_short_8","alias_value":"RGFYB56R","created_at":"2026-07-05T02:53:02Z"}],"graph_snapshots":[{"event_id":"sha256:3bfb68ab8fa62b1aaf3d0a090fb5ce24d15fef74b9cf0223f95f4ea841943df5","target":"graph","created_at":"2026-07-05T02:53:02Z","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/2105.08521/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, under the illumination of thin disk accretion, we have employed the ray-tracing method to carefully investigate shadows and rings of the Kehagias-Sfetsos(KS) black hole in deformed Ho\\v{r}ava-Lifshitz(HL) gravity. The results show that the event horizon $r_+$, the radius $r_p$ and impact parameter $b_{p}$ of photon sphere are all decreased with the increase of the HL parameter $\\omega$, but the effective potential increases. And, it also turns out that the trajectories of light rays emitted from the north pole direction are defined as the direct emission, lensing ring and photon","authors_text":"Guo-Ping Li, Ke-Jian He","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-05-17T08:49:16Z","title":"Shadows and rings of the Kehagias-Sfetsos black hole surrounded by thin disk accretion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.08521","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:c5bee2546f6b75a4437f54addb1321c2c1e6bff6839fc0c8126effb801c44d63","target":"record","created_at":"2026-07-05T02:53:02Z","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":"9275f5ef4eb56bd0dc17c85f6c7aba96ef4011bb36c9a4c8ba53d52944083447","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-05-17T08:49:16Z","title_canon_sha256":"5c1be733e323c41b89fc162386446a9b5718ae6b57468485fca0855929e9d376"},"schema_version":"1.0","source":{"id":"2105.08521","kind":"arxiv","version":2}},"canonical_sha256":"898b80f7d19d875009954a99ef717001d8767edbf259db33ae32fe7d8308dc09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"898b80f7d19d875009954a99ef717001d8767edbf259db33ae32fe7d8308dc09","first_computed_at":"2026-07-05T02:53:02.332253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:53:02.332253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A69WTh7cH7SqzQMPAsVqO8pWOOO6TJ5CyaK3xUcyBAIyGcAWHWcLgtb2cbqR0RJvvV5qkWcscrQswn9P+RB+DA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:53:02.332700Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.08521","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5bee2546f6b75a4437f54addb1321c2c1e6bff6839fc0c8126effb801c44d63","sha256:3bfb68ab8fa62b1aaf3d0a090fb5ce24d15fef74b9cf0223f95f4ea841943df5"],"state_sha256":"113fc5fb61b663af39ff1de9b23510ff790d2464925e958c1fedbb057bd08af1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SnAZ70X4xy9FFAYBhyg26haCNGwbqERr1AoEzgTp6RhfrlbzxIsPfKOoZPwDZzjVsOA6vgzk4UdPDw7qlX1+Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T16:28:20.429585Z","bundle_sha256":"50b6499d5445b724a5b99264b79dc2a48d4ca794e63d779eb459f882ee824e19"}}