{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:XVQ7KZDV5PKA3C3Y7NH55LTRAP","short_pith_number":"pith:XVQ7KZDV","schema_version":"1.0","canonical_sha256":"bd61f56475ebd40d8b78fb4fdeae7103c7774967cf4f85e085e5a3bc9b604a49","source":{"kind":"arxiv","id":"1612.02828","version":1},"attestation_state":"computed","paper":{"title":"Ray-tracing and polarized radiative transfer in General Relativity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc"],"primary_cat":"astro-ph.IM","authors_text":"Antti Rantala, Pauli Pihajoki, Peter H. Johansson","submitted_at":"2016-12-08T21:00:06Z","abstract_excerpt":"We discuss the problem of polarized radiative transfer in general relativity. We present a set of equations suitable for solving the problem numerically for the case of an arbitrary space-time metric, and show numerical solutions to example problems. The solutions are computed with a new ray-tracing code, Arcmancer, developed by the authors."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1612.02828","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-12-08T21:00:06Z","cross_cats_sorted":["astro-ph.HE","gr-qc"],"title_canon_sha256":"82b32554d59be34a77b7739ec27dca0ccdcc666c98c01664205e973010a3cff6","abstract_canon_sha256":"3503cf4f8e515550707f0de163bc17b3b6f3f77017bb669fe58a7b69a3c9cbfd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:25.552008Z","signature_b64":"R6YtJWWEwfYVpFy65fyg0n+9ADzCjA2QyFFzXaJQSqYq4lIvcz0cknFOBYTLmb17rn84LzymMmvNhNy9x6CnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd61f56475ebd40d8b78fb4fdeae7103c7774967cf4f85e085e5a3bc9b604a49","last_reissued_at":"2026-05-18T00:41:25.551588Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:25.551588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ray-tracing and polarized radiative transfer in General Relativity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc"],"primary_cat":"astro-ph.IM","authors_text":"Antti Rantala, Pauli Pihajoki, Peter H. Johansson","submitted_at":"2016-12-08T21:00:06Z","abstract_excerpt":"We discuss the problem of polarized radiative transfer in general relativity. We present a set of equations suitable for solving the problem numerically for the case of an arbitrary space-time metric, and show numerical solutions to example problems. The solutions are computed with a new ray-tracing code, Arcmancer, developed by the authors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02828","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1612.02828","created_at":"2026-05-18T00:41:25.551651+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.02828v1","created_at":"2026-05-18T00:41:25.551651+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02828","created_at":"2026-05-18T00:41:25.551651+00:00"},{"alias_kind":"pith_short_12","alias_value":"XVQ7KZDV5PKA","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"XVQ7KZDV5PKA3C3Y","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"XVQ7KZDV","created_at":"2026-05-18T12:30:51.357362+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.04156","citing_title":"On the spin dependence of the emergent gravity phenomena as observed in axially symmetric black hole accretion with spatially varying adiabatic index","ref_index":55,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP","json":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP.json","graph_json":"https://pith.science/api/pith-number/XVQ7KZDV5PKA3C3Y7NH55LTRAP/graph.json","events_json":"https://pith.science/api/pith-number/XVQ7KZDV5PKA3C3Y7NH55LTRAP/events.json","paper":"https://pith.science/paper/XVQ7KZDV"},"agent_actions":{"view_html":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP","download_json":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP.json","view_paper":"https://pith.science/paper/XVQ7KZDV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.02828&json=true","fetch_graph":"https://pith.science/api/pith-number/XVQ7KZDV5PKA3C3Y7NH55LTRAP/graph.json","fetch_events":"https://pith.science/api/pith-number/XVQ7KZDV5PKA3C3Y7NH55LTRAP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP/action/storage_attestation","attest_author":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP/action/author_attestation","sign_citation":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP/action/citation_signature","submit_replication":"https://pith.science/pith/XVQ7KZDV5PKA3C3Y7NH55LTRAP/action/replication_record"}},"created_at":"2026-05-18T00:41:25.551651+00:00","updated_at":"2026-05-18T00:41:25.551651+00:00"}