{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:VP33ILMICL6CMTZYOYZGUCMYK4","short_pith_number":"pith:VP33ILMI","canonical_record":{"source":{"id":"astro-ph/0403045","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-02T00:43:59Z","cross_cats_sorted":["gr-qc","physics.class-ph"],"title_canon_sha256":"e3f4ad8769ea910a4444c57fad1eb787f4005b7308b6f9639154b080a432395e","abstract_canon_sha256":"aaaaab08716882f79b16eecb4f467a5a0346678b4b1b363b4c742f2b9828d093"},"schema_version":"1.0"},"canonical_sha256":"abf7b42d8812fc264f3876326a0998572c2dd6e7185360fdaa18314ae69398d0","source":{"kind":"arxiv","id":"astro-ph/0403045","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0403045","created_at":"2026-05-18T04:21:23Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0403045v2","created_at":"2026-05-18T04:21:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0403045","created_at":"2026-05-18T04:21:23Z"},{"alias_kind":"pith_short_12","alias_value":"VP33ILMICL6C","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"VP33ILMICL6CMTZY","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"VP33ILMI","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:VP33ILMICL6CMTZYOYZGUCMYK4","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0403045","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-02T00:43:59Z","cross_cats_sorted":["gr-qc","physics.class-ph"],"title_canon_sha256":"e3f4ad8769ea910a4444c57fad1eb787f4005b7308b6f9639154b080a432395e","abstract_canon_sha256":"aaaaab08716882f79b16eecb4f467a5a0346678b4b1b363b4c742f2b9828d093"},"schema_version":"1.0"},"canonical_sha256":"abf7b42d8812fc264f3876326a0998572c2dd6e7185360fdaa18314ae69398d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:23.088838Z","signature_b64":"i0ITAzZIqO9IufAKFn1rb9yuZY5g2EKPjC7tFvuxs1FVbNuYtoEcplUjr88vo8uqW4FFB6lf8WIoXrjG1v6dAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abf7b42d8812fc264f3876326a0998572c2dd6e7185360fdaa18314ae69398d0","last_reissued_at":"2026-05-18T04:21:23.088417Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:23.088417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0403045","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":"2026-05-18T04:21:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ls5HIhsT9K3QLte8FRnuGT1o/nqJLmBse5Z4qfmCBnYJvhViO8Y1g0NJr59i8KoKA+jtEuYP7HpcWJ2AshgACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:05:07.079740Z"},"content_sha256":"8e83a758c3a42edae768c51f6b63799f9ece440cda1dadcb0ed1edd96805c863","schema_version":"1.0","event_id":"sha256:8e83a758c3a42edae768c51f6b63799f9ece440cda1dadcb0ed1edd96805c863"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:VP33ILMICL6CMTZYOYZGUCMYK4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear electrodynamics and the gravitational redshift of highly magnetised neutron stars","license":"","headline":"","cross_cats":["gr-qc","physics.class-ph"],"primary_cat":"astro-ph","authors_text":"Herman J. Mosquera Cuesta, Jose' M. Salim","submitted_at":"2004-03-02T00:43:59Z","abstract_excerpt":"The idea that the nonlinear electromagnetic interaction, i. e., light propagation in vacuum, can be geometrized was developed by Novello et al. (2000) and Novello & Salim (2001). Since then a number of physical consequences for the dynamics of a variety of systems have been explored. In a recent paper Mosquera Cuesta & Salim (2003) presented the first astrophysical study where such nonlinear electrodynamics (NLEDs) effects were accounted for in the case of a highly magnetized neutron star or pulsar. In that paper the NLEDs was invoked {\\it a l\\`a} Euler-Heisenberg, which is an infinite series "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0403045","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":""},"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":"2026-05-18T04:21:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YBD2ATB0G5oEADQPfgpNjZP7purNYzO/mblCj79w8MXYw60sZszIiKjTmWUEY1b4s4z8v6U6BQCU17IjTNa5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:05:07.080428Z"},"content_sha256":"cd3fb0376b9d6fd5f415279a0f510ca33c074eae0d3a6a7b9267b49272ef5bf8","schema_version":"1.0","event_id":"sha256:cd3fb0376b9d6fd5f415279a0f510ca33c074eae0d3a6a7b9267b49272ef5bf8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VP33ILMICL6CMTZYOYZGUCMYK4/bundle.json","state_url":"https://pith.science/pith/VP33ILMICL6CMTZYOYZGUCMYK4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VP33ILMICL6CMTZYOYZGUCMYK4/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":"2026-06-05T04:05:07Z","links":{"resolver":"https://pith.science/pith/VP33ILMICL6CMTZYOYZGUCMYK4","bundle":"https://pith.science/pith/VP33ILMICL6CMTZYOYZGUCMYK4/bundle.json","state":"https://pith.science/pith/VP33ILMICL6CMTZYOYZGUCMYK4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VP33ILMICL6CMTZYOYZGUCMYK4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:VP33ILMICL6CMTZYOYZGUCMYK4","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":"aaaaab08716882f79b16eecb4f467a5a0346678b4b1b363b4c742f2b9828d093","cross_cats_sorted":["gr-qc","physics.class-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-02T00:43:59Z","title_canon_sha256":"e3f4ad8769ea910a4444c57fad1eb787f4005b7308b6f9639154b080a432395e"},"schema_version":"1.0","source":{"id":"astro-ph/0403045","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0403045","created_at":"2026-05-18T04:21:23Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0403045v2","created_at":"2026-05-18T04:21:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0403045","created_at":"2026-05-18T04:21:23Z"},{"alias_kind":"pith_short_12","alias_value":"VP33ILMICL6C","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"VP33ILMICL6CMTZY","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"VP33ILMI","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:cd3fb0376b9d6fd5f415279a0f510ca33c074eae0d3a6a7b9267b49272ef5bf8","target":"graph","created_at":"2026-05-18T04:21:23Z","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":"The idea that the nonlinear electromagnetic interaction, i. e., light propagation in vacuum, can be geometrized was developed by Novello et al. (2000) and Novello & Salim (2001). Since then a number of physical consequences for the dynamics of a variety of systems have been explored. In a recent paper Mosquera Cuesta & Salim (2003) presented the first astrophysical study where such nonlinear electrodynamics (NLEDs) effects were accounted for in the case of a highly magnetized neutron star or pulsar. In that paper the NLEDs was invoked {\\it a l\\`a} Euler-Heisenberg, which is an infinite series ","authors_text":"Herman J. Mosquera Cuesta, Jose' M. Salim","cross_cats":["gr-qc","physics.class-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-03-02T00:43:59Z","title":"Nonlinear electrodynamics and the gravitational redshift of highly magnetised neutron stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0403045","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":"sha256:8e83a758c3a42edae768c51f6b63799f9ece440cda1dadcb0ed1edd96805c863","target":"record","created_at":"2026-05-18T04:21:23Z","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":"aaaaab08716882f79b16eecb4f467a5a0346678b4b1b363b4c742f2b9828d093","cross_cats_sorted":["gr-qc","physics.class-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2004-03-02T00:43:59Z","title_canon_sha256":"e3f4ad8769ea910a4444c57fad1eb787f4005b7308b6f9639154b080a432395e"},"schema_version":"1.0","source":{"id":"astro-ph/0403045","kind":"arxiv","version":2}},"canonical_sha256":"abf7b42d8812fc264f3876326a0998572c2dd6e7185360fdaa18314ae69398d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abf7b42d8812fc264f3876326a0998572c2dd6e7185360fdaa18314ae69398d0","first_computed_at":"2026-05-18T04:21:23.088417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:23.088417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i0ITAzZIqO9IufAKFn1rb9yuZY5g2EKPjC7tFvuxs1FVbNuYtoEcplUjr88vo8uqW4FFB6lf8WIoXrjG1v6dAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:23.088838Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0403045","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e83a758c3a42edae768c51f6b63799f9ece440cda1dadcb0ed1edd96805c863","sha256:cd3fb0376b9d6fd5f415279a0f510ca33c074eae0d3a6a7b9267b49272ef5bf8"],"state_sha256":"97bbde537ced978b1d5d313b656c12633bbb845f1ad2a2b13ca6600725825cb6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pUrGf6atgVcPCczC2uHdOELZuMJV0PBN39O28dLS2bgxUKx0MtCNUimmGKygo04JpIqMa3bbhom/0NgZICmFDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T04:05:07.084145Z","bundle_sha256":"10f6021a67f7b2d697b41b4c7eec198d2dfb7e59a041b53ce425415973d133c8"}}