{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:JVESAPUA4BY2I4ORJOTEEKHA6A","short_pith_number":"pith:JVESAPUA","canonical_record":{"source":{"id":"1410.0368","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-01T20:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"3617abf1252c11604375a018dfdd54541623f8a1196a4d815e506041a84fd63c","abstract_canon_sha256":"a3cb361814be4f86dd203ba54bb0baaebd6aead60e742c8d6d54c589b494d1b3"},"schema_version":"1.0"},"canonical_sha256":"4d49203e80e071a471d14ba64228e0f02eec9c6b42da4117adf8024711c9fb57","source":{"kind":"arxiv","id":"1410.0368","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0368","created_at":"2026-05-18T02:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0368v2","created_at":"2026-05-18T02:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0368","created_at":"2026-05-18T02:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"JVESAPUA4BY2","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"JVESAPUA4BY2I4OR","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"JVESAPUA","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:JVESAPUA4BY2I4ORJOTEEKHA6A","target":"record","payload":{"canonical_record":{"source":{"id":"1410.0368","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-01T20:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"3617abf1252c11604375a018dfdd54541623f8a1196a4d815e506041a84fd63c","abstract_canon_sha256":"a3cb361814be4f86dd203ba54bb0baaebd6aead60e742c8d6d54c589b494d1b3"},"schema_version":"1.0"},"canonical_sha256":"4d49203e80e071a471d14ba64228e0f02eec9c6b42da4117adf8024711c9fb57","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:17.569768Z","signature_b64":"kxhoiM4COIkNM0TxMLru36Y0ipKzL2lRWVYVsdtHYeCxB8sHJJuuz3/9q5nBB8pk5kWnFBl71YiOIuFl0hkhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d49203e80e071a471d14ba64228e0f02eec9c6b42da4117adf8024711c9fb57","last_reissued_at":"2026-05-18T02:14:17.569102Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:17.569102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.0368","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":"2026-05-18T02:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gMv16/KnM/Nf5quyAiH6LZfGkVNop+4AV2c614PA/NoOzzEIye/XKPNatnm5m7ieh4Iz65cRkoZW55ybdQLNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:19:13.178497Z"},"content_sha256":"1a8c92752a255df4aaf44672532874dbd17a048864770da8d6db8f2d786679b6","schema_version":"1.0","event_id":"sha256:1a8c92752a255df4aaf44672532874dbd17a048864770da8d6db8f2d786679b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:JVESAPUA4BY2I4ORJOTEEKHA6A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reionization constraints on primordial magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrea Ferrara, Kanhaiya L. Pandey, Shiv K. Sethi, T. Roy Choudhury","submitted_at":"2014-10-01T20:00:14Z","abstract_excerpt":"We study the impact of the extra density fluctuations induced by primordial magnetic fields on the reionization history in the redshift range: $6 < z < 10$. We perform a comprehensive MCMC physical analysis allowing the variation of parameters related to primordial magnetic fields (strength, $B_0$, and power-spectrum index $n_{\\scriptscriptstyle \\rm B}$), reionization, and $\\Lambda$CDM cosmological model. We find that magnetic field strengths in the range: $B_0 \\simeq 0.05{-}0.3$ nG (for nearly scale-free power spectra) can significantly alter the reionization history in the above redshift ran"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0368","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":"2026-05-18T02:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zNw5xyViU5x3BuMeyWi+atYTXJFZc54gR8rTcGv+i7kOSxvYozo1b7I1cUji0PF05EXZ+l9EKPgwGL4X3oguDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:19:13.178846Z"},"content_sha256":"06fdf21a817aae3e13fcbfb6184c9a6ae95402e55157766e65e71876f4d74f1c","schema_version":"1.0","event_id":"sha256:06fdf21a817aae3e13fcbfb6184c9a6ae95402e55157766e65e71876f4d74f1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JVESAPUA4BY2I4ORJOTEEKHA6A/bundle.json","state_url":"https://pith.science/pith/JVESAPUA4BY2I4ORJOTEEKHA6A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JVESAPUA4BY2I4ORJOTEEKHA6A/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":"2026-05-28T10:19:13Z","links":{"resolver":"https://pith.science/pith/JVESAPUA4BY2I4ORJOTEEKHA6A","bundle":"https://pith.science/pith/JVESAPUA4BY2I4ORJOTEEKHA6A/bundle.json","state":"https://pith.science/pith/JVESAPUA4BY2I4ORJOTEEKHA6A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JVESAPUA4BY2I4ORJOTEEKHA6A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:JVESAPUA4BY2I4ORJOTEEKHA6A","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":"a3cb361814be4f86dd203ba54bb0baaebd6aead60e742c8d6d54c589b494d1b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-01T20:00:14Z","title_canon_sha256":"3617abf1252c11604375a018dfdd54541623f8a1196a4d815e506041a84fd63c"},"schema_version":"1.0","source":{"id":"1410.0368","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0368","created_at":"2026-05-18T02:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0368v2","created_at":"2026-05-18T02:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0368","created_at":"2026-05-18T02:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"JVESAPUA4BY2","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"JVESAPUA4BY2I4OR","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"JVESAPUA","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:06fdf21a817aae3e13fcbfb6184c9a6ae95402e55157766e65e71876f4d74f1c","target":"graph","created_at":"2026-05-18T02:14:17Z","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 impact of the extra density fluctuations induced by primordial magnetic fields on the reionization history in the redshift range: $6 < z < 10$. We perform a comprehensive MCMC physical analysis allowing the variation of parameters related to primordial magnetic fields (strength, $B_0$, and power-spectrum index $n_{\\scriptscriptstyle \\rm B}$), reionization, and $\\Lambda$CDM cosmological model. We find that magnetic field strengths in the range: $B_0 \\simeq 0.05{-}0.3$ nG (for nearly scale-free power spectra) can significantly alter the reionization history in the above redshift ran","authors_text":"Andrea Ferrara, Kanhaiya L. Pandey, Shiv K. Sethi, T. Roy Choudhury","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-01T20:00:14Z","title":"Reionization constraints on primordial magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0368","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":"sha256:1a8c92752a255df4aaf44672532874dbd17a048864770da8d6db8f2d786679b6","target":"record","created_at":"2026-05-18T02:14:17Z","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":"a3cb361814be4f86dd203ba54bb0baaebd6aead60e742c8d6d54c589b494d1b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-01T20:00:14Z","title_canon_sha256":"3617abf1252c11604375a018dfdd54541623f8a1196a4d815e506041a84fd63c"},"schema_version":"1.0","source":{"id":"1410.0368","kind":"arxiv","version":2}},"canonical_sha256":"4d49203e80e071a471d14ba64228e0f02eec9c6b42da4117adf8024711c9fb57","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d49203e80e071a471d14ba64228e0f02eec9c6b42da4117adf8024711c9fb57","first_computed_at":"2026-05-18T02:14:17.569102Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:17.569102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kxhoiM4COIkNM0TxMLru36Y0ipKzL2lRWVYVsdtHYeCxB8sHJJuuz3/9q5nBB8pk5kWnFBl71YiOIuFl0hkhAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:17.569768Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.0368","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a8c92752a255df4aaf44672532874dbd17a048864770da8d6db8f2d786679b6","sha256:06fdf21a817aae3e13fcbfb6184c9a6ae95402e55157766e65e71876f4d74f1c"],"state_sha256":"337fbe605aecd20ea296e3d58c6e6c57f22bcd8fcb23762bd8251c9fa9bc880f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Pqlx/SPZFnTLKUW13i/VQJN7MSgRsffdJFBgvWf3vHroyIBUaQvLEmEmElAMf9jVVruhAKrrQqomDrnLksgCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:19:13.181020Z","bundle_sha256":"523f4b4c615644b330cbd22860146911dee70ede9eacabd1a04df4b69ce3e58f"}}