{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:5JCFMY4BACLQHALVIM5LZ57NUU","short_pith_number":"pith:5JCFMY4B","canonical_record":{"source":{"id":"2201.11068","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-01-26T17:27:56Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"9688fbb04e87058ef258fb5da82aa02b7f7e4d2ef80d4d70ca491a88c24623e9","abstract_canon_sha256":"66385369a86da79f1a7dc7f9ad15b003c5f68dc578262a7831267202aae1d2ba"},"schema_version":"1.0"},"canonical_sha256":"ea445663810097038175433abcf7eda52e438b3db542a746189771ae9042229b","source":{"kind":"arxiv","id":"2201.11068","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.11068","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"arxiv_version","alias_value":"2201.11068v2","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.11068","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"pith_short_12","alias_value":"5JCFMY4BACLQ","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"pith_short_16","alias_value":"5JCFMY4BACLQHALV","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"pith_short_8","alias_value":"5JCFMY4B","created_at":"2026-07-05T04:42:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:5JCFMY4BACLQHALVIM5LZ57NUU","target":"record","payload":{"canonical_record":{"source":{"id":"2201.11068","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-01-26T17:27:56Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"9688fbb04e87058ef258fb5da82aa02b7f7e4d2ef80d4d70ca491a88c24623e9","abstract_canon_sha256":"66385369a86da79f1a7dc7f9ad15b003c5f68dc578262a7831267202aae1d2ba"},"schema_version":"1.0"},"canonical_sha256":"ea445663810097038175433abcf7eda52e438b3db542a746189771ae9042229b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:42:16.674708Z","signature_b64":"kO/D97PO2/TlfSZl1I9Htngj2OFqX4yE33fx/VqWFC2Q6qGJkQVuhqABhXYJburjYC9GDFDGkQaEieXruu0uCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea445663810097038175433abcf7eda52e438b3db542a746189771ae9042229b","last_reissued_at":"2026-07-05T04:42:16.674287Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:42:16.674287Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.11068","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":"2026-07-05T04:42:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eROisovfnUotP3xdSNlU7x0oogCWSuCNbg1d6l6bj8jJgHqg5nIotoUoiUooPN4+idk3KU46dZYVD3kd4BxBAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:07:07.275586Z"},"content_sha256":"a9027724459af718305546754663f22a9de957d35fe4a93347d5234247ee283d","schema_version":"1.0","event_id":"sha256:a9027724459af718305546754663f22a9de957d35fe4a93347d5234247ee283d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:5JCFMY4BACLQHALVIM5LZ57NUU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Blandford--Znajek monopole expansion revisited: novel non-analytic contributions to the power emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-th"],"primary_cat":"gr-qc","authors_text":"Andrea Placidi, Filippo Camilloni, Gianluca Grignani, Jorge E. Santos, Marta Orselli, Oscar J. C. Dias, Roberto Oliveri, Troels Harmark","submitted_at":"2022-01-26T17:27:56Z","abstract_excerpt":"The Blandford and Znajek (BZ) split-monopole serves as an important theoretical example of the mechanism that can drive the electromagnetic extraction of energy from Kerr black holes. It is constructed as a perturbative low spin solution of Force Free Electrodynamics (FFE). Recently, Armas $et~al.$ put this construction on a firmer footing by clearing up issues with apparent divergent asymptotics. This was accomplished by resolving the behavior around the outer light surface, a critical surface of the FFE equations. Building on this, we revisit the BZ perturbative expansion, and extend the per"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.11068","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/2201.11068/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":"2026-07-05T04:42:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Danx+M7vJuf5yrWqK1LNkMpejyYoRfiO/WZIjKr9tahqxtmAX+71ptJg0rQNXxAT8G1BrVrfXKZ4YlDOypEfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:07:07.276300Z"},"content_sha256":"bcd046616066fe02395d7d09afb9782c0d6689f36823e32c711601e49adeef5f","schema_version":"1.0","event_id":"sha256:bcd046616066fe02395d7d09afb9782c0d6689f36823e32c711601e49adeef5f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5JCFMY4BACLQHALVIM5LZ57NUU/bundle.json","state_url":"https://pith.science/pith/5JCFMY4BACLQHALVIM5LZ57NUU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5JCFMY4BACLQHALVIM5LZ57NUU/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":"2026-08-07T00:07:07Z","links":{"resolver":"https://pith.science/pith/5JCFMY4BACLQHALVIM5LZ57NUU","bundle":"https://pith.science/pith/5JCFMY4BACLQHALVIM5LZ57NUU/bundle.json","state":"https://pith.science/pith/5JCFMY4BACLQHALVIM5LZ57NUU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5JCFMY4BACLQHALVIM5LZ57NUU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:5JCFMY4BACLQHALVIM5LZ57NUU","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":"66385369a86da79f1a7dc7f9ad15b003c5f68dc578262a7831267202aae1d2ba","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-01-26T17:27:56Z","title_canon_sha256":"9688fbb04e87058ef258fb5da82aa02b7f7e4d2ef80d4d70ca491a88c24623e9"},"schema_version":"1.0","source":{"id":"2201.11068","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.11068","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"arxiv_version","alias_value":"2201.11068v2","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.11068","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"pith_short_12","alias_value":"5JCFMY4BACLQ","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"pith_short_16","alias_value":"5JCFMY4BACLQHALV","created_at":"2026-07-05T04:42:16Z"},{"alias_kind":"pith_short_8","alias_value":"5JCFMY4B","created_at":"2026-07-05T04:42:16Z"}],"graph_snapshots":[{"event_id":"sha256:bcd046616066fe02395d7d09afb9782c0d6689f36823e32c711601e49adeef5f","target":"graph","created_at":"2026-07-05T04:42:16Z","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/2201.11068/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Blandford and Znajek (BZ) split-monopole serves as an important theoretical example of the mechanism that can drive the electromagnetic extraction of energy from Kerr black holes. It is constructed as a perturbative low spin solution of Force Free Electrodynamics (FFE). Recently, Armas $et~al.$ put this construction on a firmer footing by clearing up issues with apparent divergent asymptotics. This was accomplished by resolving the behavior around the outer light surface, a critical surface of the FFE equations. Building on this, we revisit the BZ perturbative expansion, and extend the per","authors_text":"Andrea Placidi, Filippo Camilloni, Gianluca Grignani, Jorge E. Santos, Marta Orselli, Oscar J. C. Dias, Roberto Oliveri, Troels Harmark","cross_cats":["astro-ph.HE","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-01-26T17:27:56Z","title":"Blandford--Znajek monopole expansion revisited: novel non-analytic contributions to the power emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.11068","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:a9027724459af718305546754663f22a9de957d35fe4a93347d5234247ee283d","target":"record","created_at":"2026-07-05T04:42:16Z","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":"66385369a86da79f1a7dc7f9ad15b003c5f68dc578262a7831267202aae1d2ba","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-01-26T17:27:56Z","title_canon_sha256":"9688fbb04e87058ef258fb5da82aa02b7f7e4d2ef80d4d70ca491a88c24623e9"},"schema_version":"1.0","source":{"id":"2201.11068","kind":"arxiv","version":2}},"canonical_sha256":"ea445663810097038175433abcf7eda52e438b3db542a746189771ae9042229b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea445663810097038175433abcf7eda52e438b3db542a746189771ae9042229b","first_computed_at":"2026-07-05T04:42:16.674287Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:42:16.674287Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kO/D97PO2/TlfSZl1I9Htngj2OFqX4yE33fx/VqWFC2Q6qGJkQVuhqABhXYJburjYC9GDFDGkQaEieXruu0uCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:42:16.674708Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.11068","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a9027724459af718305546754663f22a9de957d35fe4a93347d5234247ee283d","sha256:bcd046616066fe02395d7d09afb9782c0d6689f36823e32c711601e49adeef5f"],"state_sha256":"3ac68359dd4b36131bb6af13dd8f81f1ff0c6f6f33777f439fd37db0c3d8c212"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MbqH/pSo3cB5YFlhjjQHQnwjVmVhzjhhInuAhrGUdGBoMwjh9mmftg+w9bhYBd0ixXZhrY6lYJiWwTWXQ+7fCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:07:07.308222Z","bundle_sha256":"e434b0826dc372cd7474e972e1f3d0aeda0c9bee58ee347a4c0386f8a705bc3d"}}