{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:E3W456AH23CJRS7VQYIRIGPA5X","short_pith_number":"pith:E3W456AH","canonical_record":{"source":{"id":"2607.01369","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-01T18:32:40Z","cross_cats_sorted":[],"title_canon_sha256":"82dfd80c6193566b0cd808d2e690333ae7416aedf4d07c9a46c146d8f9d1d23e","abstract_canon_sha256":"203158501df95d206c01221a55a55c94858ea812bc0e4e4a52ca2c7514beeebb"},"schema_version":"1.0"},"canonical_sha256":"26edcef807d6c498cbf586111419e0ede49f6c0e32077c815c722f3a328ec814","source":{"kind":"arxiv","id":"2607.01369","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01369","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01369v1","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01369","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"pith_short_12","alias_value":"E3W456AH23CJ","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"pith_short_16","alias_value":"E3W456AH23CJRS7V","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"pith_short_8","alias_value":"E3W456AH","created_at":"2026-07-03T00:16:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:E3W456AH23CJRS7VQYIRIGPA5X","target":"record","payload":{"canonical_record":{"source":{"id":"2607.01369","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-01T18:32:40Z","cross_cats_sorted":[],"title_canon_sha256":"82dfd80c6193566b0cd808d2e690333ae7416aedf4d07c9a46c146d8f9d1d23e","abstract_canon_sha256":"203158501df95d206c01221a55a55c94858ea812bc0e4e4a52ca2c7514beeebb"},"schema_version":"1.0"},"canonical_sha256":"26edcef807d6c498cbf586111419e0ede49f6c0e32077c815c722f3a328ec814","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T00:16:58.516227Z","signature_b64":"wVqsit0UR1EdG1BFa+mPq8N69YthUdZCjtNKLNNjcWrvVkoIHfB48yItwuxdvAV4+K5Z+sFzhs89llepMI6VCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26edcef807d6c498cbf586111419e0ede49f6c0e32077c815c722f3a328ec814","last_reissued_at":"2026-07-03T00:16:58.515870Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T00:16:58.515870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.01369","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":"2026-07-03T00:16:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1HTkWl9qntacMpHh5HIEKjpgIp5gOjhjBLx84cpNi/81nramZvaRQmNgaBsKPqQrgzMulxBlF5xhZ2Enu9qUAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T10:16:12.006045Z"},"content_sha256":"cb893d0eea0ee3b9edbba888824f8f85e4f2186ce8eefab1db855438091abe34","schema_version":"1.0","event_id":"sha256:cb893d0eea0ee3b9edbba888824f8f85e4f2186ce8eefab1db855438091abe34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:E3W456AH23CJRS7VQYIRIGPA5X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the near-source relativistic wind medium using Fast Radio Burst circular polarization data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Om Gupta, Pawan Kumar, Paz Beniamini","submitted_at":"2026-07-01T18:32:40Z","abstract_excerpt":"Fast Radio Bursts (FRBs) exhibit diverse spectro-temporal characteristics, which can probe vital propagation and source physics via Stokes polarimetry. We investigate whether the circular polarization (Stokes $V$) observed in some bursts is produced by Faraday conversion in the near-source wind of magnetars rather than being intrinsic to the source. Our calculation includes the increase in the effective mass of $e^\\pm$ in the presence of the FRB wave. We find that Faraday conversion in the magnetar wind can explain the broad range of observed circular polarization in FRBs, including its freque"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01369","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.01369/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":"2026-07-03T00:16:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uQDzgB/lCIhCaQHpCaKxvRdiA6Qa1GZlH9Lyhl/6SUtPsDzbKnbQIbHBNG0RiCSjILne5j0TkKzQIDE27XJBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T10:16:12.006458Z"},"content_sha256":"764130549297057ac39b1caac61c784b1798f8f42cb7e8a522b24eb11fba2a77","schema_version":"1.0","event_id":"sha256:764130549297057ac39b1caac61c784b1798f8f42cb7e8a522b24eb11fba2a77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E3W456AH23CJRS7VQYIRIGPA5X/bundle.json","state_url":"https://pith.science/pith/E3W456AH23CJRS7VQYIRIGPA5X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E3W456AH23CJRS7VQYIRIGPA5X/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":"2026-07-04T10:16:12Z","links":{"resolver":"https://pith.science/pith/E3W456AH23CJRS7VQYIRIGPA5X","bundle":"https://pith.science/pith/E3W456AH23CJRS7VQYIRIGPA5X/bundle.json","state":"https://pith.science/pith/E3W456AH23CJRS7VQYIRIGPA5X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E3W456AH23CJRS7VQYIRIGPA5X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:E3W456AH23CJRS7VQYIRIGPA5X","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":"203158501df95d206c01221a55a55c94858ea812bc0e4e4a52ca2c7514beeebb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-01T18:32:40Z","title_canon_sha256":"82dfd80c6193566b0cd808d2e690333ae7416aedf4d07c9a46c146d8f9d1d23e"},"schema_version":"1.0","source":{"id":"2607.01369","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01369","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01369v1","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01369","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"pith_short_12","alias_value":"E3W456AH23CJ","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"pith_short_16","alias_value":"E3W456AH23CJRS7V","created_at":"2026-07-03T00:16:58Z"},{"alias_kind":"pith_short_8","alias_value":"E3W456AH","created_at":"2026-07-03T00:16:58Z"}],"graph_snapshots":[{"event_id":"sha256:764130549297057ac39b1caac61c784b1798f8f42cb7e8a522b24eb11fba2a77","target":"graph","created_at":"2026-07-03T00:16:58Z","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/2607.01369/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast Radio Bursts (FRBs) exhibit diverse spectro-temporal characteristics, which can probe vital propagation and source physics via Stokes polarimetry. We investigate whether the circular polarization (Stokes $V$) observed in some bursts is produced by Faraday conversion in the near-source wind of magnetars rather than being intrinsic to the source. Our calculation includes the increase in the effective mass of $e^\\pm$ in the presence of the FRB wave. We find that Faraday conversion in the magnetar wind can explain the broad range of observed circular polarization in FRBs, including its freque","authors_text":"Om Gupta, Pawan Kumar, Paz Beniamini","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-01T18:32:40Z","title":"Constraining the near-source relativistic wind medium using Fast Radio Burst circular polarization data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01369","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:cb893d0eea0ee3b9edbba888824f8f85e4f2186ce8eefab1db855438091abe34","target":"record","created_at":"2026-07-03T00:16:58Z","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":"203158501df95d206c01221a55a55c94858ea812bc0e4e4a52ca2c7514beeebb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-01T18:32:40Z","title_canon_sha256":"82dfd80c6193566b0cd808d2e690333ae7416aedf4d07c9a46c146d8f9d1d23e"},"schema_version":"1.0","source":{"id":"2607.01369","kind":"arxiv","version":1}},"canonical_sha256":"26edcef807d6c498cbf586111419e0ede49f6c0e32077c815c722f3a328ec814","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26edcef807d6c498cbf586111419e0ede49f6c0e32077c815c722f3a328ec814","first_computed_at":"2026-07-03T00:16:58.515870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T00:16:58.515870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wVqsit0UR1EdG1BFa+mPq8N69YthUdZCjtNKLNNjcWrvVkoIHfB48yItwuxdvAV4+K5Z+sFzhs89llepMI6VCQ==","signature_status":"signed_v1","signed_at":"2026-07-03T00:16:58.516227Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.01369","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb893d0eea0ee3b9edbba888824f8f85e4f2186ce8eefab1db855438091abe34","sha256:764130549297057ac39b1caac61c784b1798f8f42cb7e8a522b24eb11fba2a77"],"state_sha256":"fb631867feeb4884ae1ce229f76f4e55fadd15bcbe2b9f2b1c0cd04e728a9c71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hxMPbQM23bB3TO6hNWpLoQ7wRJIZneN6LVLA36yXwR+8Eu4tXmzcLh8HuxYvgsEcC4tMDJ7VGDgOnunAEommDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T10:16:12.008400Z","bundle_sha256":"6872000d877ef1e0912755f1bb8f7736a75eace36e71dce20e126db675ae6ff0"}}