{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:T5ZI73O3ASC364NJCVW5EBROZ7","short_pith_number":"pith:T5ZI73O3","canonical_record":{"source":{"id":"2606.02149","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-01T12:16:31Z","cross_cats_sorted":[],"title_canon_sha256":"bb4515bdad29d25b45141ecb63a9a688e679e4fd37fd1ed946b45f519cc2aa0f","abstract_canon_sha256":"66cf0299d846dfff041c4165795d591820d9075505cdbef5fa09e64e7f803033"},"schema_version":"1.0"},"canonical_sha256":"9f728feddb0485bf71a9156dd2062ecfca78d7d75e593601ee454351c096e752","source":{"kind":"arxiv","id":"2606.02149","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.02149","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.02149v1","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.02149","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"pith_short_12","alias_value":"T5ZI73O3ASC3","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"pith_short_16","alias_value":"T5ZI73O3ASC364NJ","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"pith_short_8","alias_value":"T5ZI73O3","created_at":"2026-06-02T02:05:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:T5ZI73O3ASC364NJCVW5EBROZ7","target":"record","payload":{"canonical_record":{"source":{"id":"2606.02149","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-01T12:16:31Z","cross_cats_sorted":[],"title_canon_sha256":"bb4515bdad29d25b45141ecb63a9a688e679e4fd37fd1ed946b45f519cc2aa0f","abstract_canon_sha256":"66cf0299d846dfff041c4165795d591820d9075505cdbef5fa09e64e7f803033"},"schema_version":"1.0"},"canonical_sha256":"9f728feddb0485bf71a9156dd2062ecfca78d7d75e593601ee454351c096e752","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:05:07.854700Z","signature_b64":"shCqnCXTTQW673b9CknI70fqMpuNT1gbUsm8/vTcCXZHxsplpfYVMLve+qHso8GS4ogdSragHhJMx95jmn+WAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f728feddb0485bf71a9156dd2062ecfca78d7d75e593601ee454351c096e752","last_reissued_at":"2026-06-02T02:05:07.854286Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:05:07.854286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.02149","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":"2026-06-02T02:05:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BTZCZPU+7XMWEhHSl1cwOVe6H5NuYMj5B6Kha1m8njSPpjaC0LSzXs9FaVjYNnfSRvdFNbyrdzrf12AW+CH1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T21:54:19.517979Z"},"content_sha256":"49f91b02b3a681e22790772bbaf42ab72a0f866d76a8b73838bb7a53aa0f92a7","schema_version":"1.0","event_id":"sha256:49f91b02b3a681e22790772bbaf42ab72a0f866d76a8b73838bb7a53aa0f92a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:T5ZI73O3ASC364NJCVW5EBROZ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The magnetic field of the Milky Way: an observational perspective","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Marijke Haverkorn","submitted_at":"2026-06-01T12:16:31Z","abstract_excerpt":"Magnetic fields are an important and enigmatic component of the Milky Way's ecosystem. Mostly frozen into interstellar plasma, they play key roles in (turbulent) gas dynamics, star formation, energy household, evolution of interstellar objects, and cosmic-ray propagation. This paper reviews recent progress on measuring and characterizing these Galactic magnetic fields, limited to the larger-scale fields in mostly diffuse media, and to an observational perspective.\n  On Galaxy-wide scales, the magnetic field roughly follows the spiral arms in the Galactic disk, and includes an additional compon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.02149","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/2606.02149/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":"2026-06-02T02:05:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QhPaxudDbxKPY9Rqa3ZqdkasYnp1aR60YG+/b/4S6xUZ1eTA8zAFyz2JtQOf0qa9SGFS+sEaHj6lUcjpUZ/PBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T21:54:19.518359Z"},"content_sha256":"2806d2e6e7f969864b73af6424d1120e35f064ae405af4b0fd61f95e0bdd046b","schema_version":"1.0","event_id":"sha256:2806d2e6e7f969864b73af6424d1120e35f064ae405af4b0fd61f95e0bdd046b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T5ZI73O3ASC364NJCVW5EBROZ7/bundle.json","state_url":"https://pith.science/pith/T5ZI73O3ASC364NJCVW5EBROZ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T5ZI73O3ASC364NJCVW5EBROZ7/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":"2026-06-28T21:54:19Z","links":{"resolver":"https://pith.science/pith/T5ZI73O3ASC364NJCVW5EBROZ7","bundle":"https://pith.science/pith/T5ZI73O3ASC364NJCVW5EBROZ7/bundle.json","state":"https://pith.science/pith/T5ZI73O3ASC364NJCVW5EBROZ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T5ZI73O3ASC364NJCVW5EBROZ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:T5ZI73O3ASC364NJCVW5EBROZ7","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":"66cf0299d846dfff041c4165795d591820d9075505cdbef5fa09e64e7f803033","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-01T12:16:31Z","title_canon_sha256":"bb4515bdad29d25b45141ecb63a9a688e679e4fd37fd1ed946b45f519cc2aa0f"},"schema_version":"1.0","source":{"id":"2606.02149","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.02149","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.02149v1","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.02149","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"pith_short_12","alias_value":"T5ZI73O3ASC3","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"pith_short_16","alias_value":"T5ZI73O3ASC364NJ","created_at":"2026-06-02T02:05:07Z"},{"alias_kind":"pith_short_8","alias_value":"T5ZI73O3","created_at":"2026-06-02T02:05:07Z"}],"graph_snapshots":[{"event_id":"sha256:2806d2e6e7f969864b73af6424d1120e35f064ae405af4b0fd61f95e0bdd046b","target":"graph","created_at":"2026-06-02T02:05:07Z","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/2606.02149/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnetic fields are an important and enigmatic component of the Milky Way's ecosystem. Mostly frozen into interstellar plasma, they play key roles in (turbulent) gas dynamics, star formation, energy household, evolution of interstellar objects, and cosmic-ray propagation. This paper reviews recent progress on measuring and characterizing these Galactic magnetic fields, limited to the larger-scale fields in mostly diffuse media, and to an observational perspective.\n  On Galaxy-wide scales, the magnetic field roughly follows the spiral arms in the Galactic disk, and includes an additional compon","authors_text":"Marijke Haverkorn","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-01T12:16:31Z","title":"The magnetic field of the Milky Way: an observational perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.02149","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":"sha256:49f91b02b3a681e22790772bbaf42ab72a0f866d76a8b73838bb7a53aa0f92a7","target":"record","created_at":"2026-06-02T02:05:07Z","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":"66cf0299d846dfff041c4165795d591820d9075505cdbef5fa09e64e7f803033","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-01T12:16:31Z","title_canon_sha256":"bb4515bdad29d25b45141ecb63a9a688e679e4fd37fd1ed946b45f519cc2aa0f"},"schema_version":"1.0","source":{"id":"2606.02149","kind":"arxiv","version":1}},"canonical_sha256":"9f728feddb0485bf71a9156dd2062ecfca78d7d75e593601ee454351c096e752","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f728feddb0485bf71a9156dd2062ecfca78d7d75e593601ee454351c096e752","first_computed_at":"2026-06-02T02:05:07.854286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T02:05:07.854286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"shCqnCXTTQW673b9CknI70fqMpuNT1gbUsm8/vTcCXZHxsplpfYVMLve+qHso8GS4ogdSragHhJMx95jmn+WAA==","signature_status":"signed_v1","signed_at":"2026-06-02T02:05:07.854700Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.02149","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49f91b02b3a681e22790772bbaf42ab72a0f866d76a8b73838bb7a53aa0f92a7","sha256:2806d2e6e7f969864b73af6424d1120e35f064ae405af4b0fd61f95e0bdd046b"],"state_sha256":"95ce4ed693536f1414cf872bc33011060543fcbccb4304242fc1cdb1efdca701"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o/rS1geP9X0saEqvRTo3CnuParCB/UXJBXGYmcAtpC4fLlj0XASqA+XjGwguuqc5+ycHkpYH3dxwBTAM7vqVAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T21:54:19.520633Z","bundle_sha256":"3df491c3cf9bc65f4e712b88e6f79e052070ff2ddd60e7a10569ad5342ac652a"}}