{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:3HBJY6ZLFNSUCIYDLWANV6XCZT","short_pith_number":"pith:3HBJY6ZL","canonical_record":{"source":{"id":"2209.09103","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2022-09-16T05:15:07Z","cross_cats_sorted":[],"title_canon_sha256":"14679f38229c96525e363a8aeb31dd67a28085dd697ccb04ff92e30eb26fc408","abstract_canon_sha256":"8e65e9fe894314dcea7b4d0c44e9603db45b1e7553a7f446122ad1611feacf0e"},"schema_version":"1.0"},"canonical_sha256":"d9c29c7b2b2b654123035d80dafae2cce6bc761b62cd624bd9943f934731e108","source":{"kind":"arxiv","id":"2209.09103","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.09103","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"arxiv_version","alias_value":"2209.09103v2","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.09103","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"pith_short_12","alias_value":"3HBJY6ZLFNSU","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"pith_short_16","alias_value":"3HBJY6ZLFNSUCIYD","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"pith_short_8","alias_value":"3HBJY6ZL","created_at":"2026-07-05T07:27:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:3HBJY6ZLFNSUCIYDLWANV6XCZT","target":"record","payload":{"canonical_record":{"source":{"id":"2209.09103","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2022-09-16T05:15:07Z","cross_cats_sorted":[],"title_canon_sha256":"14679f38229c96525e363a8aeb31dd67a28085dd697ccb04ff92e30eb26fc408","abstract_canon_sha256":"8e65e9fe894314dcea7b4d0c44e9603db45b1e7553a7f446122ad1611feacf0e"},"schema_version":"1.0"},"canonical_sha256":"d9c29c7b2b2b654123035d80dafae2cce6bc761b62cd624bd9943f934731e108","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:27:22.989677Z","signature_b64":"DcM43iCND1GCz0iUbxkj29jyGJrQScq/O3l5hsB6LVQ00p8MBz+QAXdNQnRcTdm4DU2tAfIXYelJBxmG78VuDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9c29c7b2b2b654123035d80dafae2cce6bc761b62cd624bd9943f934731e108","last_reissued_at":"2026-07-05T07:27:22.989158Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:27:22.989158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.09103","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":"2026-07-05T07:27:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xrmcEwVAJ5mc0wWznDdB7RVYcyW4G2oMhov4tf09saLT7xDPVDQNPPuqVMLgN8Uhfp2hhjWEcWRvw6xc+r5YCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T21:32:54.577555Z"},"content_sha256":"de4a3b99986e49e97ca77ede6f87c2b11d8e34cdd327db421cc457e3a983e4f5","schema_version":"1.0","event_id":"sha256:de4a3b99986e49e97ca77ede6f87c2b11d8e34cdd327db421cc457e3a983e4f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:3HBJY6ZLFNSUCIYDLWANV6XCZT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of quintessence dark energy on the shadow of Hayward black holes with spherical accretion","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Malihe Heydari-Fard","submitted_at":"2022-09-16T05:15:07Z","abstract_excerpt":"It is expected that the astrophysical black holes are surrounded by a luminous accretion flow that is a necessary ingredient for imaging a black hole. In this paper, we study the influence of quintessence dark energy on the shadow images of a Hayward black hole surrounded by the static/infalling spherical accretion flow. We find the effect of the state parameter of quintessence matter on the horizons, photon sphere and impact parameter of the quintessence Hayward black hole. The observed specific intensity of the shadow and also the shadow and photon ring luminosities of the quintessence Haywa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.09103","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/2209.09103/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":"2026-07-05T07:27:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qgz9opQ5ES2xvmK+36sGFcpYjt/TJELAt0WNjO06032YsDdRkWuIwyW48BIzZg+SO4EGYrt1l3VAMeg+Cnl7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T21:32:54.588315Z"},"content_sha256":"d11e80584fcf9b028ae2d31c381097300284994eb35cf6ae7efa74583dd96cd4","schema_version":"1.0","event_id":"sha256:d11e80584fcf9b028ae2d31c381097300284994eb35cf6ae7efa74583dd96cd4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HBJY6ZLFNSUCIYDLWANV6XCZT/bundle.json","state_url":"https://pith.science/pith/3HBJY6ZLFNSUCIYDLWANV6XCZT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HBJY6ZLFNSUCIYDLWANV6XCZT/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":"2026-08-19T21:32:54Z","links":{"resolver":"https://pith.science/pith/3HBJY6ZLFNSUCIYDLWANV6XCZT","bundle":"https://pith.science/pith/3HBJY6ZLFNSUCIYDLWANV6XCZT/bundle.json","state":"https://pith.science/pith/3HBJY6ZLFNSUCIYDLWANV6XCZT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HBJY6ZLFNSUCIYDLWANV6XCZT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3HBJY6ZLFNSUCIYDLWANV6XCZT","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":"8e65e9fe894314dcea7b4d0c44e9603db45b1e7553a7f446122ad1611feacf0e","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2022-09-16T05:15:07Z","title_canon_sha256":"14679f38229c96525e363a8aeb31dd67a28085dd697ccb04ff92e30eb26fc408"},"schema_version":"1.0","source":{"id":"2209.09103","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.09103","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"arxiv_version","alias_value":"2209.09103v2","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.09103","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"pith_short_12","alias_value":"3HBJY6ZLFNSU","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"pith_short_16","alias_value":"3HBJY6ZLFNSUCIYD","created_at":"2026-07-05T07:27:22Z"},{"alias_kind":"pith_short_8","alias_value":"3HBJY6ZL","created_at":"2026-07-05T07:27:22Z"}],"graph_snapshots":[{"event_id":"sha256:d11e80584fcf9b028ae2d31c381097300284994eb35cf6ae7efa74583dd96cd4","target":"graph","created_at":"2026-07-05T07:27:22Z","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/2209.09103/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is expected that the astrophysical black holes are surrounded by a luminous accretion flow that is a necessary ingredient for imaging a black hole. In this paper, we study the influence of quintessence dark energy on the shadow images of a Hayward black hole surrounded by the static/infalling spherical accretion flow. We find the effect of the state parameter of quintessence matter on the horizons, photon sphere and impact parameter of the quintessence Hayward black hole. The observed specific intensity of the shadow and also the shadow and photon ring luminosities of the quintessence Haywa","authors_text":"Malihe Heydari-Fard","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2022-09-16T05:15:07Z","title":"Effect of quintessence dark energy on the shadow of Hayward black holes with spherical accretion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.09103","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:de4a3b99986e49e97ca77ede6f87c2b11d8e34cdd327db421cc457e3a983e4f5","target":"record","created_at":"2026-07-05T07:27:22Z","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":"8e65e9fe894314dcea7b4d0c44e9603db45b1e7553a7f446122ad1611feacf0e","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2022-09-16T05:15:07Z","title_canon_sha256":"14679f38229c96525e363a8aeb31dd67a28085dd697ccb04ff92e30eb26fc408"},"schema_version":"1.0","source":{"id":"2209.09103","kind":"arxiv","version":2}},"canonical_sha256":"d9c29c7b2b2b654123035d80dafae2cce6bc761b62cd624bd9943f934731e108","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9c29c7b2b2b654123035d80dafae2cce6bc761b62cd624bd9943f934731e108","first_computed_at":"2026-07-05T07:27:22.989158Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:27:22.989158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DcM43iCND1GCz0iUbxkj29jyGJrQScq/O3l5hsB6LVQ00p8MBz+QAXdNQnRcTdm4DU2tAfIXYelJBxmG78VuDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:27:22.989677Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.09103","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de4a3b99986e49e97ca77ede6f87c2b11d8e34cdd327db421cc457e3a983e4f5","sha256:d11e80584fcf9b028ae2d31c381097300284994eb35cf6ae7efa74583dd96cd4"],"state_sha256":"c8fa59f6ff47b81bb95a3b198dd4aab10e0cac7203fa21bbf5cc688e75491e01"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tXk03xyp9Z5eiIVNtpGl4BTHveV1SMjSfIf7BvDw07cSDTPw9YyxB+1FY3W3E7fQ7BsZWdWGq/LZvo5t9doADw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T21:32:54.592078Z","bundle_sha256":"f740652bcb36c208a0001b1c4ca2c478466752f6e8f765e65ad8ebefeace1de5"}}