{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:6TAIQWB5VQG6AZSZLI5YSRHSTQ","short_pith_number":"pith:6TAIQWB5","canonical_record":{"source":{"id":"0809.3839","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-23T02:00:22Z","cross_cats_sorted":[],"title_canon_sha256":"82a237bb3334e20929b8d4f14fa28d12d4a7eec049bb4bcaa650008fedada46b","abstract_canon_sha256":"fc997f450a47f972393d336d5dbe3c629504a649c402e1d302117d5cdddafdfe"},"schema_version":"1.0"},"canonical_sha256":"f4c088583dac0de066595a3b8944f29c19d2ef9507ed2236d3efe5cee7ea63e7","source":{"kind":"arxiv","id":"0809.3839","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.3839","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"arxiv_version","alias_value":"0809.3839v1","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.3839","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"pith_short_12","alias_value":"6TAIQWB5VQG6","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"6TAIQWB5VQG6AZSZ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"6TAIQWB5","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:6TAIQWB5VQG6AZSZLI5YSRHSTQ","target":"record","payload":{"canonical_record":{"source":{"id":"0809.3839","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-23T02:00:22Z","cross_cats_sorted":[],"title_canon_sha256":"82a237bb3334e20929b8d4f14fa28d12d4a7eec049bb4bcaa650008fedada46b","abstract_canon_sha256":"fc997f450a47f972393d336d5dbe3c629504a649c402e1d302117d5cdddafdfe"},"schema_version":"1.0"},"canonical_sha256":"f4c088583dac0de066595a3b8944f29c19d2ef9507ed2236d3efe5cee7ea63e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:26.560379Z","signature_b64":"ZC09nNgbT3Qa6b9U+9wkEUm2lMsxElH0ykJ6UtxOi1qX5IzP6E/i9bFzW6+y2ImO3cEzJqLogpWHHmM5F6oHAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4c088583dac0de066595a3b8944f29c19d2ef9507ed2236d3efe5cee7ea63e7","last_reissued_at":"2026-05-18T04:29:26.559980Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:26.559980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.3839","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":"2026-05-18T04:29:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/TRU9ZB8IUD24ZWv1Denzun7z2G5DM6o5yetkxnQR7Wy0GOL4skCB29/fsTQ0oqmMslrQM/aVy9CyYkQwQwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:46:18.457707Z"},"content_sha256":"5f5337fb4cabecd1c0da1673f5c4b4982398a53ab884c718d3601d9b082bd9d1","schema_version":"1.0","event_id":"sha256:5f5337fb4cabecd1c0da1673f5c4b4982398a53ab884c718d3601d9b082bd9d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:6TAIQWB5VQG6AZSZLI5YSRHSTQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Centimeter Polarimetry of the R Coronae Australis Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Jeong-Eun Lee, Ken'ichi Tatematsu, Kenji Hamaguchi, Minho Choi","submitted_at":"2008-09-23T02:00:22Z","abstract_excerpt":"Circularly polarized 3.5 cm continuum emission was detected toward three radio sources in the R CrA region using the Very Large Array. The Class I protostar IRS 5b persistently showed polarized radio emission with a constant helicity over 8 yr, which suggests that its magnetosphere has a stable configuration. There is a good correlation between the Stokes I and Stokes V fluxes, and the fractional polarization is about 0.17. During active phases the fractional polarization is a weakly decreasing function of Stokes I flux, which suggests that IRS 5b is phenomenologically similar to other types o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.3839","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:29:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wVmdsh+6OhxgzJlPX6xku4UuStSeAR8Ol4mbVlYZihvlhUW14geSpEnCc7/c7xPo95/dPDykitYRJr1WQPkNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T18:46:18.458044Z"},"content_sha256":"4f13d3ad8668e049f2ae207013275e6353528926c1f4bd26a3a45fee8aa5e69d","schema_version":"1.0","event_id":"sha256:4f13d3ad8668e049f2ae207013275e6353528926c1f4bd26a3a45fee8aa5e69d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6TAIQWB5VQG6AZSZLI5YSRHSTQ/bundle.json","state_url":"https://pith.science/pith/6TAIQWB5VQG6AZSZLI5YSRHSTQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6TAIQWB5VQG6AZSZLI5YSRHSTQ/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":"2026-06-02T18:46:18Z","links":{"resolver":"https://pith.science/pith/6TAIQWB5VQG6AZSZLI5YSRHSTQ","bundle":"https://pith.science/pith/6TAIQWB5VQG6AZSZLI5YSRHSTQ/bundle.json","state":"https://pith.science/pith/6TAIQWB5VQG6AZSZLI5YSRHSTQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6TAIQWB5VQG6AZSZLI5YSRHSTQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:6TAIQWB5VQG6AZSZLI5YSRHSTQ","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":"fc997f450a47f972393d336d5dbe3c629504a649c402e1d302117d5cdddafdfe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-23T02:00:22Z","title_canon_sha256":"82a237bb3334e20929b8d4f14fa28d12d4a7eec049bb4bcaa650008fedada46b"},"schema_version":"1.0","source":{"id":"0809.3839","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.3839","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"arxiv_version","alias_value":"0809.3839v1","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.3839","created_at":"2026-05-18T04:29:26Z"},{"alias_kind":"pith_short_12","alias_value":"6TAIQWB5VQG6","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"6TAIQWB5VQG6AZSZ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"6TAIQWB5","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:4f13d3ad8668e049f2ae207013275e6353528926c1f4bd26a3a45fee8aa5e69d","target":"graph","created_at":"2026-05-18T04:29:26Z","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":"Circularly polarized 3.5 cm continuum emission was detected toward three radio sources in the R CrA region using the Very Large Array. The Class I protostar IRS 5b persistently showed polarized radio emission with a constant helicity over 8 yr, which suggests that its magnetosphere has a stable configuration. There is a good correlation between the Stokes I and Stokes V fluxes, and the fractional polarization is about 0.17. During active phases the fractional polarization is a weakly decreasing function of Stokes I flux, which suggests that IRS 5b is phenomenologically similar to other types o","authors_text":"Jeong-Eun Lee, Ken'ichi Tatematsu, Kenji Hamaguchi, Minho Choi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-23T02:00:22Z","title":"Centimeter Polarimetry of the R Coronae Australis Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.3839","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":"sha256:5f5337fb4cabecd1c0da1673f5c4b4982398a53ab884c718d3601d9b082bd9d1","target":"record","created_at":"2026-05-18T04:29:26Z","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":"fc997f450a47f972393d336d5dbe3c629504a649c402e1d302117d5cdddafdfe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-23T02:00:22Z","title_canon_sha256":"82a237bb3334e20929b8d4f14fa28d12d4a7eec049bb4bcaa650008fedada46b"},"schema_version":"1.0","source":{"id":"0809.3839","kind":"arxiv","version":1}},"canonical_sha256":"f4c088583dac0de066595a3b8944f29c19d2ef9507ed2236d3efe5cee7ea63e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4c088583dac0de066595a3b8944f29c19d2ef9507ed2236d3efe5cee7ea63e7","first_computed_at":"2026-05-18T04:29:26.559980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:26.559980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZC09nNgbT3Qa6b9U+9wkEUm2lMsxElH0ykJ6UtxOi1qX5IzP6E/i9bFzW6+y2ImO3cEzJqLogpWHHmM5F6oHAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:26.560379Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.3839","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f5337fb4cabecd1c0da1673f5c4b4982398a53ab884c718d3601d9b082bd9d1","sha256:4f13d3ad8668e049f2ae207013275e6353528926c1f4bd26a3a45fee8aa5e69d"],"state_sha256":"a2617d029744d4900376f4c877a0e8168424793d504098a24efe9924bb05eba2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y+jxVQE+vPd7Mfi564GIpbpht2T3hBXX07AoCKWHeqxuD3MTegF5imD0Tfpk3DTi9SRiIsq0xcrxhmIxXUUZCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T18:46:18.459984Z","bundle_sha256":"e2c256ee0fc58701f922c6c7d683eab45ed5b7db42f4285de4a2cae5a959305d"}}