{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:GGIHH4HJP3A5BYNUMAXYWBQ5SK","short_pith_number":"pith:GGIHH4HJ","canonical_record":{"source":{"id":"astro-ph/0411083","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-03T10:44:35Z","cross_cats_sorted":[],"title_canon_sha256":"db7fc71a8895841916e5ba35c5428f3343aa0faf7ed6e29a17c2eee4962989b1","abstract_canon_sha256":"b8328eb4d006faa5fbf9549f7d99ad0c00ca8481f021f8b0024f6f59e0c5ed72"},"schema_version":"1.0"},"canonical_sha256":"319073f0e97ec1d0e1b4602f8b061d92a2fce5b2bacff9f921e01723b0eec2d5","source":{"kind":"arxiv","id":"astro-ph/0411083","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0411083","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0411083v2","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0411083","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"pith_short_12","alias_value":"GGIHH4HJP3A5","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"pith_short_16","alias_value":"GGIHH4HJP3A5BYNU","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"pith_short_8","alias_value":"GGIHH4HJ","created_at":"2026-07-04T14:13:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:GGIHH4HJP3A5BYNUMAXYWBQ5SK","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0411083","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-03T10:44:35Z","cross_cats_sorted":[],"title_canon_sha256":"db7fc71a8895841916e5ba35c5428f3343aa0faf7ed6e29a17c2eee4962989b1","abstract_canon_sha256":"b8328eb4d006faa5fbf9549f7d99ad0c00ca8481f021f8b0024f6f59e0c5ed72"},"schema_version":"1.0"},"canonical_sha256":"319073f0e97ec1d0e1b4602f8b061d92a2fce5b2bacff9f921e01723b0eec2d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:13:52.276197Z","signature_b64":"r1PEVvFdnqUxsoOh5oSniBdBQuTzwhpsKKCPeFNZ29l6cLUBhuManUO4vTIwY/GvyP96moiyRl9m//JMD02uDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"319073f0e97ec1d0e1b4602f8b061d92a2fce5b2bacff9f921e01723b0eec2d5","last_reissued_at":"2026-07-04T14:13:52.275845Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:13:52.275845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0411083","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:13:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iyBtipSmjDfXuWW52vbeMNexE5kDxiaHqTpm3VQx8BPz9M04LD6fGgzAPbdEzFb45R0vHc8a8F03VRqB+zeWAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:16:30.716297Z"},"content_sha256":"43d8bb4bfd94c2a58aa4a668dba08fd2e038c86c6bd6e52d84b2ea19a015b2a6","schema_version":"1.0","event_id":"sha256:43d8bb4bfd94c2a58aa4a668dba08fd2e038c86c6bd6e52d84b2ea19a015b2a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:GGIHH4HJP3A5BYNUMAXYWBQ5SK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galactic Supernova Remnants: an Updated Catalogue and Some Statistics","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. A. Green","submitted_at":"2004-11-03T10:44:35Z","abstract_excerpt":"A catalogue of 231 Galactic supernova remnants (SNRs) is presented, and the selection effects applicable to the identification of remnants at radio wavelengths are discussed. In addition to missing low surface brightness remnants, small angular size -- i.e. young but distant -- remnants are also missing from the current catalogue of Galactic SNRs. Several statistical properties of Galactic SNRs are discussed, including the surface-brightness/diameter (Sigma-D) relation. It is concluded that the wide range of intrinsic properties of Galactic remnants with known distances, together with the obse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0411083","kind":"arxiv","version":2},"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/0411083/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":"2026-07-04T14:13:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NABs74VT0tF7CI8Tti1GzYQRA5+m3OW1uUgOYnmrpt0bRP8Kk3LKjqFBml7NtnT6fm4kM+B9jHwS08C8j5lIAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:16:30.716804Z"},"content_sha256":"6d9f60f2e9ecf05b1f89282a95ab4fd7f375b55224039feaac9ff982d237a9ac","schema_version":"1.0","event_id":"sha256:6d9f60f2e9ecf05b1f89282a95ab4fd7f375b55224039feaac9ff982d237a9ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GGIHH4HJP3A5BYNUMAXYWBQ5SK/bundle.json","state_url":"https://pith.science/pith/GGIHH4HJP3A5BYNUMAXYWBQ5SK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GGIHH4HJP3A5BYNUMAXYWBQ5SK/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":"2026-08-18T15:16:30Z","links":{"resolver":"https://pith.science/pith/GGIHH4HJP3A5BYNUMAXYWBQ5SK","bundle":"https://pith.science/pith/GGIHH4HJP3A5BYNUMAXYWBQ5SK/bundle.json","state":"https://pith.science/pith/GGIHH4HJP3A5BYNUMAXYWBQ5SK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GGIHH4HJP3A5BYNUMAXYWBQ5SK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:GGIHH4HJP3A5BYNUMAXYWBQ5SK","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":"b8328eb4d006faa5fbf9549f7d99ad0c00ca8481f021f8b0024f6f59e0c5ed72","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-03T10:44:35Z","title_canon_sha256":"db7fc71a8895841916e5ba35c5428f3343aa0faf7ed6e29a17c2eee4962989b1"},"schema_version":"1.0","source":{"id":"astro-ph/0411083","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0411083","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0411083v2","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0411083","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"pith_short_12","alias_value":"GGIHH4HJP3A5","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"pith_short_16","alias_value":"GGIHH4HJP3A5BYNU","created_at":"2026-07-04T14:13:52Z"},{"alias_kind":"pith_short_8","alias_value":"GGIHH4HJ","created_at":"2026-07-04T14:13:52Z"}],"graph_snapshots":[{"event_id":"sha256:6d9f60f2e9ecf05b1f89282a95ab4fd7f375b55224039feaac9ff982d237a9ac","target":"graph","created_at":"2026-07-04T14:13:52Z","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/0411083/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A catalogue of 231 Galactic supernova remnants (SNRs) is presented, and the selection effects applicable to the identification of remnants at radio wavelengths are discussed. In addition to missing low surface brightness remnants, small angular size -- i.e. young but distant -- remnants are also missing from the current catalogue of Galactic SNRs. Several statistical properties of Galactic SNRs are discussed, including the surface-brightness/diameter (Sigma-D) relation. It is concluded that the wide range of intrinsic properties of Galactic remnants with known distances, together with the obse","authors_text":"D. A. Green","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-11-03T10:44:35Z","title":"Galactic Supernova Remnants: an Updated Catalogue and Some Statistics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0411083","kind":"arxiv","version":2},"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":"sha256:43d8bb4bfd94c2a58aa4a668dba08fd2e038c86c6bd6e52d84b2ea19a015b2a6","target":"record","created_at":"2026-07-04T14:13:52Z","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":"b8328eb4d006faa5fbf9549f7d99ad0c00ca8481f021f8b0024f6f59e0c5ed72","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-03T10:44:35Z","title_canon_sha256":"db7fc71a8895841916e5ba35c5428f3343aa0faf7ed6e29a17c2eee4962989b1"},"schema_version":"1.0","source":{"id":"astro-ph/0411083","kind":"arxiv","version":2}},"canonical_sha256":"319073f0e97ec1d0e1b4602f8b061d92a2fce5b2bacff9f921e01723b0eec2d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"319073f0e97ec1d0e1b4602f8b061d92a2fce5b2bacff9f921e01723b0eec2d5","first_computed_at":"2026-07-04T14:13:52.275845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:13:52.275845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r1PEVvFdnqUxsoOh5oSniBdBQuTzwhpsKKCPeFNZ29l6cLUBhuManUO4vTIwY/GvyP96moiyRl9m//JMD02uDw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:13:52.276197Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0411083","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43d8bb4bfd94c2a58aa4a668dba08fd2e038c86c6bd6e52d84b2ea19a015b2a6","sha256:6d9f60f2e9ecf05b1f89282a95ab4fd7f375b55224039feaac9ff982d237a9ac"],"state_sha256":"068e1405dc731491dc2232f5486552e22041a8e7b9ffce9e9331b97e827f0ca7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3DLbHMM0OjH9e8jqEjugu+a8Hzqd2Loa6K1rT8RS4+L3RdWCgq67xZuhjuZ4ND2wVmwOMLR08cBwG6VIpA25DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T15:16:30.721295Z","bundle_sha256":"73ea669d3a0964e21a0e6294c1912f391ddf2050163fa23c7fab1f054cea82fc"}}