{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:WTVNBG2L4X3N2KCFNJG4C35TVS","short_pith_number":"pith:WTVNBG2L","canonical_record":{"source":{"id":"0908.3378","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-24T07:56:50Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7d597e6e45b369d94aed99c4d7c50abfd8bc65e26e8b1b4ef7056af5b536efc6","abstract_canon_sha256":"dc3bed580c05cf63caeca7f01658eb8aef8ffc5eb9ce007f4630bd29efeb81f3"},"schema_version":"1.0"},"canonical_sha256":"b4ead09b4be5f6dd28456a4dc16fb3ac90eb00e7df362926f4aa820c518fe5f3","source":{"kind":"arxiv","id":"0908.3378","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3378","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3378v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3378","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"WTVNBG2L4X3N","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"WTVNBG2L4X3N2KCF","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"WTVNBG2L","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:WTVNBG2L4X3N2KCFNJG4C35TVS","target":"record","payload":{"canonical_record":{"source":{"id":"0908.3378","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-24T07:56:50Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7d597e6e45b369d94aed99c4d7c50abfd8bc65e26e8b1b4ef7056af5b536efc6","abstract_canon_sha256":"dc3bed580c05cf63caeca7f01658eb8aef8ffc5eb9ce007f4630bd29efeb81f3"},"schema_version":"1.0"},"canonical_sha256":"b4ead09b4be5f6dd28456a4dc16fb3ac90eb00e7df362926f4aa820c518fe5f3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:23.637997Z","signature_b64":"rgY5PpQ6gl5HUrBUOLCSSwQCKmKjrG9Ffhk93ld2J5KNKXtJjyhzCLOLxxUZ5DBMF2tNp2fI3XH/8yGalbYgDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b4ead09b4be5f6dd28456a4dc16fb3ac90eb00e7df362926f4aa820c518fe5f3","last_reissued_at":"2026-05-18T02:12:23.637203Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:23.637203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.3378","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EKQQgRw/ctb3DSx6ISqssc/PIsoYKVMPKiQPJiLmvDyEhcaPtKry0y81Y7X01ehrnmb5i0WGABBO9d6tL/gaAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T09:19:10.433380Z"},"content_sha256":"09dff892f9b3e4bba3904c9600a245af2b1668996e04bdcf6f530c034416f062","schema_version":"1.0","event_id":"sha256:09dff892f9b3e4bba3904c9600a245af2b1668996e04bdcf6f530c034416f062"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:WTVNBG2L4X3N2KCFNJG4C35TVS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulated SKA maps from Galactic 3D-emission models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"2), (2) MPIfR), W. Reich (2) ((1) Naoc, X. H. Sun (1","submitted_at":"2009-08-24T07:56:50Z","abstract_excerpt":"(Abridged) We present maps for various Galactic longitudes and latitudes at 1.4 GHz, which is the frequency where deep SKA surveys are proposed. The maps are about 1.5 deg in size and have an angular resolution of about 1.6 arcsec. We analyse the maps in terms of their probability density functions (PDFs) and structure functions. Total intensity emission is more smooth in the plane than at high latitudes due to the different contributions from the regular and random magnetic field. The high latitude fields show more extended polarized emission and RM structures than those in the plane, where p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3378","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"REFtWormtaipdcISieBI+PAOgLUwv2lYCELdCZiN11G2k7HAhIjwzTvGmtR+tOk/4jJGB9GDcS7T5ZtIEWAXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T09:19:10.433730Z"},"content_sha256":"51377a1a04e2df1d3664471a1568e817b4c5b226536b10676d4b8f65f70c0381","schema_version":"1.0","event_id":"sha256:51377a1a04e2df1d3664471a1568e817b4c5b226536b10676d4b8f65f70c0381"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WTVNBG2L4X3N2KCFNJG4C35TVS/bundle.json","state_url":"https://pith.science/pith/WTVNBG2L4X3N2KCFNJG4C35TVS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WTVNBG2L4X3N2KCFNJG4C35TVS/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":"2026-06-22T09:19:10Z","links":{"resolver":"https://pith.science/pith/WTVNBG2L4X3N2KCFNJG4C35TVS","bundle":"https://pith.science/pith/WTVNBG2L4X3N2KCFNJG4C35TVS/bundle.json","state":"https://pith.science/pith/WTVNBG2L4X3N2KCFNJG4C35TVS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WTVNBG2L4X3N2KCFNJG4C35TVS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:WTVNBG2L4X3N2KCFNJG4C35TVS","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":"dc3bed580c05cf63caeca7f01658eb8aef8ffc5eb9ce007f4630bd29efeb81f3","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-24T07:56:50Z","title_canon_sha256":"7d597e6e45b369d94aed99c4d7c50abfd8bc65e26e8b1b4ef7056af5b536efc6"},"schema_version":"1.0","source":{"id":"0908.3378","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3378","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3378v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3378","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"WTVNBG2L4X3N","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"WTVNBG2L4X3N2KCF","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"WTVNBG2L","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:51377a1a04e2df1d3664471a1568e817b4c5b226536b10676d4b8f65f70c0381","target":"graph","created_at":"2026-05-18T02:12:23Z","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":"(Abridged) We present maps for various Galactic longitudes and latitudes at 1.4 GHz, which is the frequency where deep SKA surveys are proposed. The maps are about 1.5 deg in size and have an angular resolution of about 1.6 arcsec. We analyse the maps in terms of their probability density functions (PDFs) and structure functions. Total intensity emission is more smooth in the plane than at high latitudes due to the different contributions from the regular and random magnetic field. The high latitude fields show more extended polarized emission and RM structures than those in the plane, where p","authors_text":"2), (2) MPIfR), W. Reich (2) ((1) Naoc, X. H. Sun (1","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-24T07:56:50Z","title":"Simulated SKA maps from Galactic 3D-emission models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3378","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":"sha256:09dff892f9b3e4bba3904c9600a245af2b1668996e04bdcf6f530c034416f062","target":"record","created_at":"2026-05-18T02:12:23Z","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":"dc3bed580c05cf63caeca7f01658eb8aef8ffc5eb9ce007f4630bd29efeb81f3","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-24T07:56:50Z","title_canon_sha256":"7d597e6e45b369d94aed99c4d7c50abfd8bc65e26e8b1b4ef7056af5b536efc6"},"schema_version":"1.0","source":{"id":"0908.3378","kind":"arxiv","version":1}},"canonical_sha256":"b4ead09b4be5f6dd28456a4dc16fb3ac90eb00e7df362926f4aa820c518fe5f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b4ead09b4be5f6dd28456a4dc16fb3ac90eb00e7df362926f4aa820c518fe5f3","first_computed_at":"2026-05-18T02:12:23.637203Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:23.637203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rgY5PpQ6gl5HUrBUOLCSSwQCKmKjrG9Ffhk93ld2J5KNKXtJjyhzCLOLxxUZ5DBMF2tNp2fI3XH/8yGalbYgDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:23.637997Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3378","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09dff892f9b3e4bba3904c9600a245af2b1668996e04bdcf6f530c034416f062","sha256:51377a1a04e2df1d3664471a1568e817b4c5b226536b10676d4b8f65f70c0381"],"state_sha256":"f29321484f2ea0ed1322c2a98e2d820049952f563fb1d0eb32f9bcc6253242e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7E9zJQ4bS0b8gMgKHDESnAWC8ITo6qY5/jCcVoToC4juSB+OpZ69CeNT2xTzLHyZ4PhMj3quKsPaUrLG0CKsBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T09:19:10.435693Z","bundle_sha256":"a573c3cf505f19fbbcddd14ba116bbcced54e317ec4c7485731ca0c532c67b72"}}