{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DNQJKWJ4SA5VSBPTLWJZ4J3RJW","short_pith_number":"pith:DNQJKWJ4","canonical_record":{"source":{"id":"2302.02800","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-02-06T14:21:54Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"05d2495920cfd9fe86da776576d3bf21e95e9c84376f28114ad31630829a0c95","abstract_canon_sha256":"9e68696cf3b25af1666a75d6bb20a776d3b981f07eafaf5fe3623c200a785b51"},"schema_version":"1.0"},"canonical_sha256":"1b6095593c903b5905f35d939e27714da8d58e81b5326af2ab267e83d8610c0c","source":{"kind":"arxiv","id":"2302.02800","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.02800","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"arxiv_version","alias_value":"2302.02800v4","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.02800","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"pith_short_12","alias_value":"DNQJKWJ4SA5V","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"pith_short_16","alias_value":"DNQJKWJ4SA5VSBPT","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"pith_short_8","alias_value":"DNQJKWJ4","created_at":"2026-07-05T07:18:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DNQJKWJ4SA5VSBPTLWJZ4J3RJW","target":"record","payload":{"canonical_record":{"source":{"id":"2302.02800","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-02-06T14:21:54Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"05d2495920cfd9fe86da776576d3bf21e95e9c84376f28114ad31630829a0c95","abstract_canon_sha256":"9e68696cf3b25af1666a75d6bb20a776d3b981f07eafaf5fe3623c200a785b51"},"schema_version":"1.0"},"canonical_sha256":"1b6095593c903b5905f35d939e27714da8d58e81b5326af2ab267e83d8610c0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:18:09.293748Z","signature_b64":"1lw6OgbdkNE4XCINgoo11x2XYEAMgqBqZOxDFfN+XucY84iV4agLlaZD9yWFOH3QP0eNfJMGaR0rqv1Y4ekpCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b6095593c903b5905f35d939e27714da8d58e81b5326af2ab267e83d8610c0c","last_reissued_at":"2026-07-05T07:18:09.293237Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:18:09.293237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.02800","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:18:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8vl/WmNz7UOvlxCJ0StdK3KDswekSZtxQcN7CDxD2s+CwT8EKCSNNB9TG2z3VE/1cLlQ5/S9Mo6ev3TzbsuTAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:09:03.464252Z"},"content_sha256":"9c8a9c447ec66e36002f686b5986d4701333e5b234c7199e136628d74d18b6ad","schema_version":"1.0","event_id":"sha256:9c8a9c447ec66e36002f686b5986d4701333e5b234c7199e136628d74d18b6ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DNQJKWJ4SA5VSBPTLWJZ4J3RJW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Black hole image encoding quantum gravity information","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Cong Zhang, Jinsong Yang, Yongge Ma","submitted_at":"2023-02-06T14:21:54Z","abstract_excerpt":"The quantum extension of the Kruskal spacetime indicates the existence of a companion black hole in the universe earlier than ours. It is shown that the radiations from the companion black hole can enter its horizon, pass through the deep Planck region, and show up from the white hole in our universe. These radiations inlay extra bright rings in the image of the black hole in our universe, and some of these rings appear distinctly in the shadow region. Therefore, the image of the black hole observed by us encodes the information of quantum gravity. The positions and widths of the bright rings "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.02800","kind":"arxiv","version":4},"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/2302.02800/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":"2026-07-05T07:18:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jng1xPiAzibOWjuG+urn1vpLklTqOKFMJT7VtmNys03/nZY+gTjC6iUyuKGmXunXL/CeTvvvmKHJqMCzo3TsCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:09:03.465164Z"},"content_sha256":"237f6e612caab72182212c5d475f3d5f179468d133938e1782bdff262a33a8ba","schema_version":"1.0","event_id":"sha256:237f6e612caab72182212c5d475f3d5f179468d133938e1782bdff262a33a8ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DNQJKWJ4SA5VSBPTLWJZ4J3RJW/bundle.json","state_url":"https://pith.science/pith/DNQJKWJ4SA5VSBPTLWJZ4J3RJW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DNQJKWJ4SA5VSBPTLWJZ4J3RJW/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":"2026-08-04T17:09:03Z","links":{"resolver":"https://pith.science/pith/DNQJKWJ4SA5VSBPTLWJZ4J3RJW","bundle":"https://pith.science/pith/DNQJKWJ4SA5VSBPTLWJZ4J3RJW/bundle.json","state":"https://pith.science/pith/DNQJKWJ4SA5VSBPTLWJZ4J3RJW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DNQJKWJ4SA5VSBPTLWJZ4J3RJW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DNQJKWJ4SA5VSBPTLWJZ4J3RJW","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":"9e68696cf3b25af1666a75d6bb20a776d3b981f07eafaf5fe3623c200a785b51","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-02-06T14:21:54Z","title_canon_sha256":"05d2495920cfd9fe86da776576d3bf21e95e9c84376f28114ad31630829a0c95"},"schema_version":"1.0","source":{"id":"2302.02800","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.02800","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"arxiv_version","alias_value":"2302.02800v4","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.02800","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"pith_short_12","alias_value":"DNQJKWJ4SA5V","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"pith_short_16","alias_value":"DNQJKWJ4SA5VSBPT","created_at":"2026-07-05T07:18:09Z"},{"alias_kind":"pith_short_8","alias_value":"DNQJKWJ4","created_at":"2026-07-05T07:18:09Z"}],"graph_snapshots":[{"event_id":"sha256:237f6e612caab72182212c5d475f3d5f179468d133938e1782bdff262a33a8ba","target":"graph","created_at":"2026-07-05T07:18:09Z","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/2302.02800/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quantum extension of the Kruskal spacetime indicates the existence of a companion black hole in the universe earlier than ours. It is shown that the radiations from the companion black hole can enter its horizon, pass through the deep Planck region, and show up from the white hole in our universe. These radiations inlay extra bright rings in the image of the black hole in our universe, and some of these rings appear distinctly in the shadow region. Therefore, the image of the black hole observed by us encodes the information of quantum gravity. The positions and widths of the bright rings ","authors_text":"Cong Zhang, Jinsong Yang, Yongge Ma","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-02-06T14:21:54Z","title":"Black hole image encoding quantum gravity information"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.02800","kind":"arxiv","version":4},"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":"sha256:9c8a9c447ec66e36002f686b5986d4701333e5b234c7199e136628d74d18b6ad","target":"record","created_at":"2026-07-05T07:18:09Z","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":"9e68696cf3b25af1666a75d6bb20a776d3b981f07eafaf5fe3623c200a785b51","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-02-06T14:21:54Z","title_canon_sha256":"05d2495920cfd9fe86da776576d3bf21e95e9c84376f28114ad31630829a0c95"},"schema_version":"1.0","source":{"id":"2302.02800","kind":"arxiv","version":4}},"canonical_sha256":"1b6095593c903b5905f35d939e27714da8d58e81b5326af2ab267e83d8610c0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b6095593c903b5905f35d939e27714da8d58e81b5326af2ab267e83d8610c0c","first_computed_at":"2026-07-05T07:18:09.293237Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:18:09.293237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1lw6OgbdkNE4XCINgoo11x2XYEAMgqBqZOxDFfN+XucY84iV4agLlaZD9yWFOH3QP0eNfJMGaR0rqv1Y4ekpCA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:18:09.293748Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.02800","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c8a9c447ec66e36002f686b5986d4701333e5b234c7199e136628d74d18b6ad","sha256:237f6e612caab72182212c5d475f3d5f179468d133938e1782bdff262a33a8ba"],"state_sha256":"b5f8eca0d4b10ab8293b6cce908f4fe0e6850dd4253d8b24715080b6f94e0566"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S8fWttz2A4k8jn2ezwe6Rljyz2QT3RHzNdEM6GaRk35P/Uev/TTXfrYwcxAVTFp4/ACdyTnNnYsKgHJ9BNVTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T17:09:03.485568Z","bundle_sha256":"c4f798a1f84d9a504bc00efa698a42b572a2db276a015037ba8698426d22198c"}}