{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:Q5HAIF54US4HKSSKYQP4G2UJDS","short_pith_number":"pith:Q5HAIF54","canonical_record":{"source":{"id":"1710.07377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T00:18:46Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"0dd73ee6e1e62d7ae2b2f12958c163c12c5be6469783254b5fca626f7180b462","abstract_canon_sha256":"984da32dfe5ec510640310d559bc5f42368f6fc22aacf4c68ff660eca7bbbd60"},"schema_version":"1.0"},"canonical_sha256":"874e0417bca4b8754a4ac41fc36a891c88dd58f3ab836bb5bd2b3594b7000b48","source":{"kind":"arxiv","id":"1710.07377","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07377","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07377v1","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07377","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"pith_short_12","alias_value":"Q5HAIF54US4H","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q5HAIF54US4HKSSK","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q5HAIF54","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:Q5HAIF54US4HKSSKYQP4G2UJDS","target":"record","payload":{"canonical_record":{"source":{"id":"1710.07377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T00:18:46Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"0dd73ee6e1e62d7ae2b2f12958c163c12c5be6469783254b5fca626f7180b462","abstract_canon_sha256":"984da32dfe5ec510640310d559bc5f42368f6fc22aacf4c68ff660eca7bbbd60"},"schema_version":"1.0"},"canonical_sha256":"874e0417bca4b8754a4ac41fc36a891c88dd58f3ab836bb5bd2b3594b7000b48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:48.860483Z","signature_b64":"y17hAn8Rg9MZNkpowkUUIVe6XkCsxw6YU0qUvP5BM2gw7jPAwlgIOaUfOnhnmSmnKzi73B/I09N1q901fYreAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"874e0417bca4b8754a4ac41fc36a891c88dd58f3ab836bb5bd2b3594b7000b48","last_reissued_at":"2026-05-18T00:24:48.859736Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:48.859736Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.07377","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":"2026-05-18T00:24:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XyzgL1NmDuyZs5+iISD0evUEdOmMFIppOoEeLp+81dKKz61p4n6pGqK4HKxeca9aETl8n9ageMZtUsTe1X4DBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T16:32:47.702677Z"},"content_sha256":"b9b476fae9a4533c0ea4407ed1883178cd30f6420683628f7078f2d69836da92","schema_version":"1.0","event_id":"sha256:b9b476fae9a4533c0ea4407ed1883178cd30f6420683628f7078f2d69836da92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:Q5HAIF54US4HKSSKYQP4G2UJDS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advanced Diagnostics for the Study of Linearly Polarized Emission. I: Derivation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"B. M. Gaensler, C. A. Herron, G. F. Lewis, N. M. McClure-Griffiths","submitted_at":"2017-10-20T00:18:46Z","abstract_excerpt":"Linearly polarized emission is described, in general, in terms of the Stokes parameters $Q$ and $U$, from which the polarization intensity and polarization angle can be determined. Although the polarization intensity and polarization angle provide an intuitive description of the polarization, they are affected by the limitations of interferometric data, such as missing single-dish data in the u-v plane, from which radio frequency interferometric data is visualized. To negate the effects of these artefacts, it is desirable for polarization diagnostics to be rotationally and translationally inva"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07377","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":"2026-05-18T00:24:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1xNN/gC7dcpBXhULFKCwsXq617olxSzl2LIvzXYNYMJHFbZ5krvlXsUNmqaNKU6BpAqO0grrvRVQtOlCcNPhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T16:32:47.703014Z"},"content_sha256":"40db0ed598412b822514c41e4df8da72ec56eda236cecd6b34df5f03fe49e8cb","schema_version":"1.0","event_id":"sha256:40db0ed598412b822514c41e4df8da72ec56eda236cecd6b34df5f03fe49e8cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q5HAIF54US4HKSSKYQP4G2UJDS/bundle.json","state_url":"https://pith.science/pith/Q5HAIF54US4HKSSKYQP4G2UJDS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q5HAIF54US4HKSSKYQP4G2UJDS/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":"2026-06-29T16:32:47Z","links":{"resolver":"https://pith.science/pith/Q5HAIF54US4HKSSKYQP4G2UJDS","bundle":"https://pith.science/pith/Q5HAIF54US4HKSSKYQP4G2UJDS/bundle.json","state":"https://pith.science/pith/Q5HAIF54US4HKSSKYQP4G2UJDS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q5HAIF54US4HKSSKYQP4G2UJDS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:Q5HAIF54US4HKSSKYQP4G2UJDS","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":"984da32dfe5ec510640310d559bc5f42368f6fc22aacf4c68ff660eca7bbbd60","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T00:18:46Z","title_canon_sha256":"0dd73ee6e1e62d7ae2b2f12958c163c12c5be6469783254b5fca626f7180b462"},"schema_version":"1.0","source":{"id":"1710.07377","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07377","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07377v1","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07377","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"pith_short_12","alias_value":"Q5HAIF54US4H","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q5HAIF54US4HKSSK","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q5HAIF54","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:40db0ed598412b822514c41e4df8da72ec56eda236cecd6b34df5f03fe49e8cb","target":"graph","created_at":"2026-05-18T00:24:48Z","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":"Linearly polarized emission is described, in general, in terms of the Stokes parameters $Q$ and $U$, from which the polarization intensity and polarization angle can be determined. Although the polarization intensity and polarization angle provide an intuitive description of the polarization, they are affected by the limitations of interferometric data, such as missing single-dish data in the u-v plane, from which radio frequency interferometric data is visualized. To negate the effects of these artefacts, it is desirable for polarization diagnostics to be rotationally and translationally inva","authors_text":"B. M. Gaensler, C. A. Herron, G. F. Lewis, N. M. McClure-Griffiths","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T00:18:46Z","title":"Advanced Diagnostics for the Study of Linearly Polarized Emission. I: Derivation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07377","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:b9b476fae9a4533c0ea4407ed1883178cd30f6420683628f7078f2d69836da92","target":"record","created_at":"2026-05-18T00:24:48Z","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":"984da32dfe5ec510640310d559bc5f42368f6fc22aacf4c68ff660eca7bbbd60","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T00:18:46Z","title_canon_sha256":"0dd73ee6e1e62d7ae2b2f12958c163c12c5be6469783254b5fca626f7180b462"},"schema_version":"1.0","source":{"id":"1710.07377","kind":"arxiv","version":1}},"canonical_sha256":"874e0417bca4b8754a4ac41fc36a891c88dd58f3ab836bb5bd2b3594b7000b48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"874e0417bca4b8754a4ac41fc36a891c88dd58f3ab836bb5bd2b3594b7000b48","first_computed_at":"2026-05-18T00:24:48.859736Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:48.859736Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y17hAn8Rg9MZNkpowkUUIVe6XkCsxw6YU0qUvP5BM2gw7jPAwlgIOaUfOnhnmSmnKzi73B/I09N1q901fYreAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:48.860483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07377","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9b476fae9a4533c0ea4407ed1883178cd30f6420683628f7078f2d69836da92","sha256:40db0ed598412b822514c41e4df8da72ec56eda236cecd6b34df5f03fe49e8cb"],"state_sha256":"474fd4303d2384dbd3b3fe7eede0fff3cd49a37c9e7c5c608fd2e0571a30477c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VxGZHeMQTdCh50AvAThYfPwH8tYBg3q423DRnQExphE08blo9fp3/ZSe7dDgtjJRiwglfnsGfEZi0bba5zSsBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T16:32:47.705121Z","bundle_sha256":"6b4ff2390bd2af8a37249a60ca2d9fe1482317fcfc34cb9fc48a2a3c3492af9c"}}