{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RQQUEE76MTPYDF27N25YYWA2EE","short_pith_number":"pith:RQQUEE76","canonical_record":{"source":{"id":"1707.05573","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-18T11:49:31Z","cross_cats_sorted":[],"title_canon_sha256":"a9181cb9c679239352885df67d1ba973aecd58ee174bd67c9990a78a66e58e7a","abstract_canon_sha256":"4ab8b2e6b78482af81dfefe068cc888ae1b7bc210fedc74a99df49f220719f12"},"schema_version":"1.0"},"canonical_sha256":"8c214213fe64df81975f6ebb8c581a21263d81111292821ab8b33171267f873f","source":{"kind":"arxiv","id":"1707.05573","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.05573","created_at":"2026-05-18T00:33:07Z"},{"alias_kind":"arxiv_version","alias_value":"1707.05573v6","created_at":"2026-05-18T00:33:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05573","created_at":"2026-05-18T00:33:07Z"},{"alias_kind":"pith_short_12","alias_value":"RQQUEE76MTPY","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RQQUEE76MTPYDF27","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RQQUEE76","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RQQUEE76MTPYDF27N25YYWA2EE","target":"record","payload":{"canonical_record":{"source":{"id":"1707.05573","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-18T11:49:31Z","cross_cats_sorted":[],"title_canon_sha256":"a9181cb9c679239352885df67d1ba973aecd58ee174bd67c9990a78a66e58e7a","abstract_canon_sha256":"4ab8b2e6b78482af81dfefe068cc888ae1b7bc210fedc74a99df49f220719f12"},"schema_version":"1.0"},"canonical_sha256":"8c214213fe64df81975f6ebb8c581a21263d81111292821ab8b33171267f873f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:07.802453Z","signature_b64":"5vwUfBrZSO9wxZYD1uF5orMiNYvly+lRFf+ZPkppWJDEA4msI5orCap933AUs07zm6a4W9t9lI8M4RlnQxuwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c214213fe64df81975f6ebb8c581a21263d81111292821ab8b33171267f873f","last_reissued_at":"2026-05-18T00:33:07.801827Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:07.801827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.05573","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:33:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pnMm462e2/IagG5djZ9cYgn5pTF9Eo0qXVJWTqR6lZdb21nEZvVrw911nvKxDh7dvDBUzDhGzs3GUZhQXXY0CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:35:38.827879Z"},"content_sha256":"c2191154366cc241320524d5bbaa5b50cf1d9272f90a131324cb0b5bc9fd623b","schema_version":"1.0","event_id":"sha256:c2191154366cc241320524d5bbaa5b50cf1d9272f90a131324cb0b5bc9fd623b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RQQUEE76MTPYDF27N25YYWA2EE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The NOD3 software package: A graphical user interface-supported reduction package for single-dish radio continuum and polarisation observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Marita Krause, Peter M\\\"uller, Philip Schmidt, Rainer Beck","submitted_at":"2017-07-18T11:49:31Z","abstract_excerpt":"The venerable NOD2 data reduction software package for single-dish radio continuum observations, developed for use at the 100-m Effelsberg radio telescope, has been successfully applied over many decades. Modern computing facilities call for a new design.\n  We aim to develop an interactive software tool with a graphical user interface (GUI) for the reduction of single-dish radio continuum maps. Special effort is given on the reduction of distortions along the scanning direction (scanning effects) by combining maps scanned in orthogonal directions or dual- or multiple-horn observations that nee"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05573","kind":"arxiv","version":6},"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":"2026-05-18T00:33:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pDcFppSW0umgNjibaSy6eq1ONm9mq5+z/6nFj5rZLOGw7nU2MYr2XBY6XTHXKQi/i/ukY1qRLSULJ/Cn8j9mCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:35:38.828640Z"},"content_sha256":"82b41a5f22823746219e21d1f8b35ed58a0a2a8c702d9b8c828509c8e5087c11","schema_version":"1.0","event_id":"sha256:82b41a5f22823746219e21d1f8b35ed58a0a2a8c702d9b8c828509c8e5087c11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RQQUEE76MTPYDF27N25YYWA2EE/bundle.json","state_url":"https://pith.science/pith/RQQUEE76MTPYDF27N25YYWA2EE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RQQUEE76MTPYDF27N25YYWA2EE/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":"2026-05-31T12:35:38Z","links":{"resolver":"https://pith.science/pith/RQQUEE76MTPYDF27N25YYWA2EE","bundle":"https://pith.science/pith/RQQUEE76MTPYDF27N25YYWA2EE/bundle.json","state":"https://pith.science/pith/RQQUEE76MTPYDF27N25YYWA2EE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RQQUEE76MTPYDF27N25YYWA2EE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RQQUEE76MTPYDF27N25YYWA2EE","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":"4ab8b2e6b78482af81dfefe068cc888ae1b7bc210fedc74a99df49f220719f12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-18T11:49:31Z","title_canon_sha256":"a9181cb9c679239352885df67d1ba973aecd58ee174bd67c9990a78a66e58e7a"},"schema_version":"1.0","source":{"id":"1707.05573","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.05573","created_at":"2026-05-18T00:33:07Z"},{"alias_kind":"arxiv_version","alias_value":"1707.05573v6","created_at":"2026-05-18T00:33:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05573","created_at":"2026-05-18T00:33:07Z"},{"alias_kind":"pith_short_12","alias_value":"RQQUEE76MTPY","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RQQUEE76MTPYDF27","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RQQUEE76","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:82b41a5f22823746219e21d1f8b35ed58a0a2a8c702d9b8c828509c8e5087c11","target":"graph","created_at":"2026-05-18T00:33:07Z","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"},"paper":{"abstract_excerpt":"The venerable NOD2 data reduction software package for single-dish radio continuum observations, developed for use at the 100-m Effelsberg radio telescope, has been successfully applied over many decades. Modern computing facilities call for a new design.\n  We aim to develop an interactive software tool with a graphical user interface (GUI) for the reduction of single-dish radio continuum maps. Special effort is given on the reduction of distortions along the scanning direction (scanning effects) by combining maps scanned in orthogonal directions or dual- or multiple-horn observations that nee","authors_text":"Marita Krause, Peter M\\\"uller, Philip Schmidt, Rainer Beck","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-18T11:49:31Z","title":"The NOD3 software package: A graphical user interface-supported reduction package for single-dish radio continuum and polarisation observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05573","kind":"arxiv","version":6},"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:c2191154366cc241320524d5bbaa5b50cf1d9272f90a131324cb0b5bc9fd623b","target":"record","created_at":"2026-05-18T00:33:07Z","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":"4ab8b2e6b78482af81dfefe068cc888ae1b7bc210fedc74a99df49f220719f12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-18T11:49:31Z","title_canon_sha256":"a9181cb9c679239352885df67d1ba973aecd58ee174bd67c9990a78a66e58e7a"},"schema_version":"1.0","source":{"id":"1707.05573","kind":"arxiv","version":6}},"canonical_sha256":"8c214213fe64df81975f6ebb8c581a21263d81111292821ab8b33171267f873f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c214213fe64df81975f6ebb8c581a21263d81111292821ab8b33171267f873f","first_computed_at":"2026-05-18T00:33:07.801827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:07.801827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5vwUfBrZSO9wxZYD1uF5orMiNYvly+lRFf+ZPkppWJDEA4msI5orCap933AUs07zm6a4W9t9lI8M4RlnQxuwCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:07.802453Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.05573","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2191154366cc241320524d5bbaa5b50cf1d9272f90a131324cb0b5bc9fd623b","sha256:82b41a5f22823746219e21d1f8b35ed58a0a2a8c702d9b8c828509c8e5087c11"],"state_sha256":"ae0e59551bb67c1d9f8652f28ee54538ebddf22c7247f18942877471a076c722"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vnMk7VS26sk0Ue8+jQbIpiEnAQFVJmA0zVspqb0NKf3JcA1TFwkchsBSAeG2/FUhn7VleIXTDPhatMDab8QeAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:35:38.833459Z","bundle_sha256":"fa150cbdb438d795e3f467b0299a9d74423a276ac8930ffced5b4f299eb7721a"}}