{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:FBCNXG3VFFLYFNNM3MBMK63ATL","short_pith_number":"pith:FBCNXG3V","canonical_record":{"source":{"id":"1707.07125","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-07-22T09:15:31Z","cross_cats_sorted":[],"title_canon_sha256":"c07ca602adfe08511a056120bc0355b2261075be9bdc842b918a4b406538b8d5","abstract_canon_sha256":"2347948b2e74f9efe9980cbad27edc8f7b5926de3485ea76a77a4c5e8968de0a"},"schema_version":"1.0"},"canonical_sha256":"2844db9b75295782b5acdb02c57b609ac27dd356382e3e3a25518c3b083a26be","source":{"kind":"arxiv","id":"1707.07125","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.07125","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"arxiv_version","alias_value":"1707.07125v1","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.07125","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"pith_short_12","alias_value":"FBCNXG3VFFLY","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FBCNXG3VFFLYFNNM","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FBCNXG3V","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:FBCNXG3VFFLYFNNM3MBMK63ATL","target":"record","payload":{"canonical_record":{"source":{"id":"1707.07125","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-07-22T09:15:31Z","cross_cats_sorted":[],"title_canon_sha256":"c07ca602adfe08511a056120bc0355b2261075be9bdc842b918a4b406538b8d5","abstract_canon_sha256":"2347948b2e74f9efe9980cbad27edc8f7b5926de3485ea76a77a4c5e8968de0a"},"schema_version":"1.0"},"canonical_sha256":"2844db9b75295782b5acdb02c57b609ac27dd356382e3e3a25518c3b083a26be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:45.285179Z","signature_b64":"peWX4DT0i89MaUX4zzLmvHqrjL7/2hZquR054Oje9PCw8UTX6AO9m0UY3Q3+ojgCvEUN3w3C3T1M0pYUmmQ1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2844db9b75295782b5acdb02c57b609ac27dd356382e3e3a25518c3b083a26be","last_reissued_at":"2026-05-18T00:39:45.284473Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:45.284473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.07125","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":"2026-05-18T00:39:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EdXpcGHNO2WOZJqPRWptf9dD9KaMY/afJ2GIf5i4eqzaLcsoFVpk2w8/E5jAAZwVfYeuxNMS3QQnRIMQDt5UAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T08:26:37.162377Z"},"content_sha256":"1a82ce094595d3a53217d10ae93b262cede9e604e8d40abaa0b210e1c0d46de3","schema_version":"1.0","event_id":"sha256:1a82ce094595d3a53217d10ae93b262cede9e604e8d40abaa0b210e1c0d46de3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:FBCNXG3VFFLYFNNM3MBMK63ATL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shadow of Schwarzschild-Tangherlini black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Balendra Pratap Singh, Sushant G. Ghosh","submitted_at":"2017-07-22T09:15:31Z","abstract_excerpt":"We study the shadow cast by the H$D$ Schwarzschild-Tangherlini black hole, and analytically calculate the influence of extra dimensions on the shadow of a black hole. A black hole casts a shadow as an optical appearance because of its strong gravitational field which is known to be a dark zone covered by a circle for a Schwarzschild black hole. We demonstrate that the null geodesic equation can be integrated by Hamilton-Jacobi approach, which enables us to investigate the shadow cast by the H$D$ Schwarzschild-Tangherlini black holes. Interestingly, it turns out that, for fixed values of the ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.07125","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":"2026-05-18T00:39:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nuwmNPJD+iiCmXoCLrNTtSWA10GbJ1cf3i3JKfmd468Rpvd4dEi/8K7q4Wz+gS/UCAYyAe7+J1WCk+fiqdoIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T08:26:37.162841Z"},"content_sha256":"b16da97b5844b882fbb40f586e6ac8fc07601aaa367968a25bb4cedad9950282","schema_version":"1.0","event_id":"sha256:b16da97b5844b882fbb40f586e6ac8fc07601aaa367968a25bb4cedad9950282"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FBCNXG3VFFLYFNNM3MBMK63ATL/bundle.json","state_url":"https://pith.science/pith/FBCNXG3VFFLYFNNM3MBMK63ATL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FBCNXG3VFFLYFNNM3MBMK63ATL/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":"2026-08-08T08:26:37Z","links":{"resolver":"https://pith.science/pith/FBCNXG3VFFLYFNNM3MBMK63ATL","bundle":"https://pith.science/pith/FBCNXG3VFFLYFNNM3MBMK63ATL/bundle.json","state":"https://pith.science/pith/FBCNXG3VFFLYFNNM3MBMK63ATL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FBCNXG3VFFLYFNNM3MBMK63ATL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:FBCNXG3VFFLYFNNM3MBMK63ATL","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":"2347948b2e74f9efe9980cbad27edc8f7b5926de3485ea76a77a4c5e8968de0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-07-22T09:15:31Z","title_canon_sha256":"c07ca602adfe08511a056120bc0355b2261075be9bdc842b918a4b406538b8d5"},"schema_version":"1.0","source":{"id":"1707.07125","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.07125","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"arxiv_version","alias_value":"1707.07125v1","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.07125","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"pith_short_12","alias_value":"FBCNXG3VFFLY","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FBCNXG3VFFLYFNNM","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FBCNXG3V","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:b16da97b5844b882fbb40f586e6ac8fc07601aaa367968a25bb4cedad9950282","target":"graph","created_at":"2026-05-18T00:39:45Z","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":"We study the shadow cast by the H$D$ Schwarzschild-Tangherlini black hole, and analytically calculate the influence of extra dimensions on the shadow of a black hole. A black hole casts a shadow as an optical appearance because of its strong gravitational field which is known to be a dark zone covered by a circle for a Schwarzschild black hole. We demonstrate that the null geodesic equation can be integrated by Hamilton-Jacobi approach, which enables us to investigate the shadow cast by the H$D$ Schwarzschild-Tangherlini black holes. Interestingly, it turns out that, for fixed values of the ma","authors_text":"Balendra Pratap Singh, Sushant G. Ghosh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-07-22T09:15:31Z","title":"Shadow of Schwarzschild-Tangherlini black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.07125","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":"sha256:1a82ce094595d3a53217d10ae93b262cede9e604e8d40abaa0b210e1c0d46de3","target":"record","created_at":"2026-05-18T00:39:45Z","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":"2347948b2e74f9efe9980cbad27edc8f7b5926de3485ea76a77a4c5e8968de0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-07-22T09:15:31Z","title_canon_sha256":"c07ca602adfe08511a056120bc0355b2261075be9bdc842b918a4b406538b8d5"},"schema_version":"1.0","source":{"id":"1707.07125","kind":"arxiv","version":1}},"canonical_sha256":"2844db9b75295782b5acdb02c57b609ac27dd356382e3e3a25518c3b083a26be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2844db9b75295782b5acdb02c57b609ac27dd356382e3e3a25518c3b083a26be","first_computed_at":"2026-05-18T00:39:45.284473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:45.284473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"peWX4DT0i89MaUX4zzLmvHqrjL7/2hZquR054Oje9PCw8UTX6AO9m0UY3Q3+ojgCvEUN3w3C3T1M0pYUmmQ1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:45.285179Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.07125","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a82ce094595d3a53217d10ae93b262cede9e604e8d40abaa0b210e1c0d46de3","sha256:b16da97b5844b882fbb40f586e6ac8fc07601aaa367968a25bb4cedad9950282"],"state_sha256":"d0a781ca95eee5473fbeed5ff9fbe45ec361cc884f696e97ed31aef50d26eaaa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"omhYbG2/DsiQrHD4pzsQva9hy/wd/qgKOeYIAjdF11YcPI3gjUTcJnBLGRHwLXoAhJH3nySNF9HVNruVUBJOBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T08:26:37.167441Z","bundle_sha256":"5e744af4fb78f32f7dc2673bd9693136a95ee875905ca4821de128eea3967faa"}}