{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:MFSM22S2FTZZLNVLTWMIHYAQPH","short_pith_number":"pith:MFSM22S2","canonical_record":{"source":{"id":"astro-ph/0510796","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-10-28T09:11:24Z","cross_cats_sorted":[],"title_canon_sha256":"177f74accda9dbe4b1505b53e6d1cef59e9ac5f7da443c52e065f775a16628a9","abstract_canon_sha256":"7920f78f5a02909b34dba38e7ccbd4fe0ca7a5929033c1c797d3a431673e63b2"},"schema_version":"1.0"},"canonical_sha256":"6164cd6a5a2cf395b6ab9d9883e01079e7693064c24d0c4a20330d467794d129","source":{"kind":"arxiv","id":"astro-ph/0510796","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0510796","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0510796v1","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0510796","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"pith_short_12","alias_value":"MFSM22S2FTZZ","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"pith_short_16","alias_value":"MFSM22S2FTZZLNVL","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"pith_short_8","alias_value":"MFSM22S2","created_at":"2026-07-04T16:53:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:MFSM22S2FTZZLNVLTWMIHYAQPH","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0510796","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-10-28T09:11:24Z","cross_cats_sorted":[],"title_canon_sha256":"177f74accda9dbe4b1505b53e6d1cef59e9ac5f7da443c52e065f775a16628a9","abstract_canon_sha256":"7920f78f5a02909b34dba38e7ccbd4fe0ca7a5929033c1c797d3a431673e63b2"},"schema_version":"1.0"},"canonical_sha256":"6164cd6a5a2cf395b6ab9d9883e01079e7693064c24d0c4a20330d467794d129","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:53:00.804750Z","signature_b64":"NqcbOixJfOH1BeeMJ7tdPktaIFZlSXtz/xUHk2jb4thvZ6S/Z7ki0ffO6BThKR/1o468Ws3b93G12Mj3iFBrCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6164cd6a5a2cf395b6ab9d9883e01079e7693064c24d0c4a20330d467794d129","last_reissued_at":"2026-07-04T16:53:00.804386Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:53:00.804386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0510796","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":"2026-07-04T16:53:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5qI3wpOgAJNJwqsQ12kcZ9rYZF93ztWL4qQjq718xdHdGxEVkyskxJOpdt3FAyElx8HpwX4bRKRs9AANpK6tCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T21:26:00.439461Z"},"content_sha256":"8c551594efc58c0cf925085409962d95e57f19fed778c2c34a6d767a587a4582","schema_version":"1.0","event_id":"sha256:8c551594efc58c0cf925085409962d95e57f19fed778c2c34a6d767a587a4582"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:MFSM22S2FTZZLNVLTWMIHYAQPH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radio polarization and sub-mm observations of the Sombrero galaxy (NGC 4594) - Large-scale magnetic field configuration and dust emission","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2) ((1) MPI fuer Radioastronomie, (2) ESO, Bonn, Chile), Germany, M. Dumke (1, M. Krause (1), R. Wielebinski (1), Santiago","submitted_at":"2005-10-28T09:11:24Z","abstract_excerpt":"We observed the nearby early-type spiral galaxy NGC 4594 (M 104, Sombrero galaxy) with the Very Large Array at 4.86 GHz, with the Effelsberg 100-m telescope at 8.35 GHz as well as with the Heinrich Hertz Telescope at 345 GHz in radio continuum. The 4.86 and 8.35 GHz data contain polarization information and hence information about the magnetic fields: we detected a large-scale magnetic field which is to our knowledge the first detection of a large-scale magnetic field in an Sa galaxy in the radio range. The magnetic field orientation in M104 is predominantly parallel to the disk but has also v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0510796","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/astro-ph/0510796/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":"2026-07-04T16:53:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+6YtzP1WeSn5WlbvL7Sl7z+62/d5WIMOJFj3h+z5wuAxdDpLNmtWV6/AZVXUDaA3ZzFLIfDhupMasDZ3VeqnDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T21:26:00.439859Z"},"content_sha256":"150411b3edb7591a721bdebd48b74611332fbd088c2a8a904af38b94e420a5ec","schema_version":"1.0","event_id":"sha256:150411b3edb7591a721bdebd48b74611332fbd088c2a8a904af38b94e420a5ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MFSM22S2FTZZLNVLTWMIHYAQPH/bundle.json","state_url":"https://pith.science/pith/MFSM22S2FTZZLNVLTWMIHYAQPH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MFSM22S2FTZZLNVLTWMIHYAQPH/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":"2026-08-22T21:26:00Z","links":{"resolver":"https://pith.science/pith/MFSM22S2FTZZLNVLTWMIHYAQPH","bundle":"https://pith.science/pith/MFSM22S2FTZZLNVLTWMIHYAQPH/bundle.json","state":"https://pith.science/pith/MFSM22S2FTZZLNVLTWMIHYAQPH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MFSM22S2FTZZLNVLTWMIHYAQPH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:MFSM22S2FTZZLNVLTWMIHYAQPH","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":"7920f78f5a02909b34dba38e7ccbd4fe0ca7a5929033c1c797d3a431673e63b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-10-28T09:11:24Z","title_canon_sha256":"177f74accda9dbe4b1505b53e6d1cef59e9ac5f7da443c52e065f775a16628a9"},"schema_version":"1.0","source":{"id":"astro-ph/0510796","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0510796","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0510796v1","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0510796","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"pith_short_12","alias_value":"MFSM22S2FTZZ","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"pith_short_16","alias_value":"MFSM22S2FTZZLNVL","created_at":"2026-07-04T16:53:00Z"},{"alias_kind":"pith_short_8","alias_value":"MFSM22S2","created_at":"2026-07-04T16:53:00Z"}],"graph_snapshots":[{"event_id":"sha256:150411b3edb7591a721bdebd48b74611332fbd088c2a8a904af38b94e420a5ec","target":"graph","created_at":"2026-07-04T16:53:00Z","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/astro-ph/0510796/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We observed the nearby early-type spiral galaxy NGC 4594 (M 104, Sombrero galaxy) with the Very Large Array at 4.86 GHz, with the Effelsberg 100-m telescope at 8.35 GHz as well as with the Heinrich Hertz Telescope at 345 GHz in radio continuum. The 4.86 and 8.35 GHz data contain polarization information and hence information about the magnetic fields: we detected a large-scale magnetic field which is to our knowledge the first detection of a large-scale magnetic field in an Sa galaxy in the radio range. The magnetic field orientation in M104 is predominantly parallel to the disk but has also v","authors_text":"2) ((1) MPI fuer Radioastronomie, (2) ESO, Bonn, Chile), Germany, M. Dumke (1, M. Krause (1), R. Wielebinski (1), Santiago","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-10-28T09:11:24Z","title":"Radio polarization and sub-mm observations of the Sombrero galaxy (NGC 4594) - Large-scale magnetic field configuration and dust emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0510796","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":"sha256:8c551594efc58c0cf925085409962d95e57f19fed778c2c34a6d767a587a4582","target":"record","created_at":"2026-07-04T16:53:00Z","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":"7920f78f5a02909b34dba38e7ccbd4fe0ca7a5929033c1c797d3a431673e63b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-10-28T09:11:24Z","title_canon_sha256":"177f74accda9dbe4b1505b53e6d1cef59e9ac5f7da443c52e065f775a16628a9"},"schema_version":"1.0","source":{"id":"astro-ph/0510796","kind":"arxiv","version":1}},"canonical_sha256":"6164cd6a5a2cf395b6ab9d9883e01079e7693064c24d0c4a20330d467794d129","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6164cd6a5a2cf395b6ab9d9883e01079e7693064c24d0c4a20330d467794d129","first_computed_at":"2026-07-04T16:53:00.804386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:53:00.804386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NqcbOixJfOH1BeeMJ7tdPktaIFZlSXtz/xUHk2jb4thvZ6S/Z7ki0ffO6BThKR/1o468Ws3b93G12Mj3iFBrCA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:53:00.804750Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0510796","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c551594efc58c0cf925085409962d95e57f19fed778c2c34a6d767a587a4582","sha256:150411b3edb7591a721bdebd48b74611332fbd088c2a8a904af38b94e420a5ec"],"state_sha256":"10e30b55dba7e2675d2ee93055ae4835b280c6215406c09ee24f69dc53b34d58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pc2/7FSYBiCP27kaX3uar7dHVeKc8sIGc6K2sb3rkIWeACaaYwWZohCqf9JXOOM2UuOz9R3um3RsRgpaIne0BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T21:26:00.442795Z","bundle_sha256":"c4b9baac63820c1b2bc434c30bece6aad41474ccbf5e8174231e9705db2afa4a"}}