{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ONUFF35HC6KV4WPZXCKHHUORNL","short_pith_number":"pith:ONUFF35H","canonical_record":{"source":{"id":"0909.0137","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-01T09:46:08Z","cross_cats_sorted":[],"title_canon_sha256":"9d5d973441e53ecd75c3af988abf35f1ce7a9b4af0a9c4336c3358f7fb79c7b3","abstract_canon_sha256":"39ed79c2835bc740323b46384fb93c179de5809e2f35afe56ac0217b0b7e8695"},"schema_version":"1.0"},"canonical_sha256":"736852efa717955e59f9b89473d1d16ad946947e1de30a44b6c0cba590a8c79b","source":{"kind":"arxiv","id":"0909.0137","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.0137","created_at":"2026-05-18T02:44:55Z"},{"alias_kind":"arxiv_version","alias_value":"0909.0137v2","created_at":"2026-05-18T02:44:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.0137","created_at":"2026-05-18T02:44:55Z"},{"alias_kind":"pith_short_12","alias_value":"ONUFF35HC6KV","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"ONUFF35HC6KV4WPZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"ONUFF35H","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ONUFF35HC6KV4WPZXCKHHUORNL","target":"record","payload":{"canonical_record":{"source":{"id":"0909.0137","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-01T09:46:08Z","cross_cats_sorted":[],"title_canon_sha256":"9d5d973441e53ecd75c3af988abf35f1ce7a9b4af0a9c4336c3358f7fb79c7b3","abstract_canon_sha256":"39ed79c2835bc740323b46384fb93c179de5809e2f35afe56ac0217b0b7e8695"},"schema_version":"1.0"},"canonical_sha256":"736852efa717955e59f9b89473d1d16ad946947e1de30a44b6c0cba590a8c79b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:55.430356Z","signature_b64":"rssI5fYnr03Yo1xi9cATBkZCzIH3nWvLiRaXg29QYvhsQtNRNVEiMk7uhX4L5ZwKavDmSNpr0A/7TeuDGfj/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"736852efa717955e59f9b89473d1d16ad946947e1de30a44b6c0cba590a8c79b","last_reissued_at":"2026-05-18T02:44:55.429905Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:55.429905Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.0137","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":"2026-05-18T02:44:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zgT77kJdVYY/Ewd0k2znfJTip6r7kpZpERhyvHySLTm7pJU9DBgyy/JOBdBnRd8k0un3InfTPE7cxahrtZRaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:54:39.481463Z"},"content_sha256":"e2a84086e4c446c188394f1b7ee496195030c34cff5fc1da6fad8b8afb2eddc3","schema_version":"1.0","event_id":"sha256:e2a84086e4c446c188394f1b7ee496195030c34cff5fc1da6fad8b8afb2eddc3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ONUFF35HC6KV4WPZXCKHHUORNL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theoretical Derivation of $\\Sigma$-$D$ Relation of Galactic SNRs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Hui-Rong Zhang, Jian-Wen Xu, Ya-Peng Hu","submitted_at":"2009-09-01T09:46:08Z","abstract_excerpt":"We derive the $\\Sigma$-$D$ relation of Galactic supernova remnants of shell-type separately at adiabatic-phase and at radiative-phase through two sets of different formulas, considering the different physical processes of shell-type remnants at both stages. Also statistics on Galactic shell-type remnants about 57 was made. Then we do some comparison with other results obtained before. It shows that all the best fit lines in the $\\Sigma$-$D$ relation plots newly are to some extent flatter than those derived by some authors at early time. Our theoretical and statistical outcomes are in somewhat "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.0137","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":""},"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":"2026-05-18T02:44:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KKaY9zmAgDLSBFtac7sztRr9jKnthVQGVCwohy1D9ZJJNB8SK5M3GyT4SowqYYmk0kXhH6ElAwPnJ5pbq1GKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:54:39.481829Z"},"content_sha256":"54921cd527d00ee2d49720d1cbf9da24b5e315e388a536b9acc6587fdbee9ccf","schema_version":"1.0","event_id":"sha256:54921cd527d00ee2d49720d1cbf9da24b5e315e388a536b9acc6587fdbee9ccf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ONUFF35HC6KV4WPZXCKHHUORNL/bundle.json","state_url":"https://pith.science/pith/ONUFF35HC6KV4WPZXCKHHUORNL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ONUFF35HC6KV4WPZXCKHHUORNL/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":"2026-06-07T06:54:39Z","links":{"resolver":"https://pith.science/pith/ONUFF35HC6KV4WPZXCKHHUORNL","bundle":"https://pith.science/pith/ONUFF35HC6KV4WPZXCKHHUORNL/bundle.json","state":"https://pith.science/pith/ONUFF35HC6KV4WPZXCKHHUORNL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ONUFF35HC6KV4WPZXCKHHUORNL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ONUFF35HC6KV4WPZXCKHHUORNL","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":"39ed79c2835bc740323b46384fb93c179de5809e2f35afe56ac0217b0b7e8695","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-01T09:46:08Z","title_canon_sha256":"9d5d973441e53ecd75c3af988abf35f1ce7a9b4af0a9c4336c3358f7fb79c7b3"},"schema_version":"1.0","source":{"id":"0909.0137","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.0137","created_at":"2026-05-18T02:44:55Z"},{"alias_kind":"arxiv_version","alias_value":"0909.0137v2","created_at":"2026-05-18T02:44:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.0137","created_at":"2026-05-18T02:44:55Z"},{"alias_kind":"pith_short_12","alias_value":"ONUFF35HC6KV","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"ONUFF35HC6KV4WPZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"ONUFF35H","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:54921cd527d00ee2d49720d1cbf9da24b5e315e388a536b9acc6587fdbee9ccf","target":"graph","created_at":"2026-05-18T02:44:55Z","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":"We derive the $\\Sigma$-$D$ relation of Galactic supernova remnants of shell-type separately at adiabatic-phase and at radiative-phase through two sets of different formulas, considering the different physical processes of shell-type remnants at both stages. Also statistics on Galactic shell-type remnants about 57 was made. Then we do some comparison with other results obtained before. It shows that all the best fit lines in the $\\Sigma$-$D$ relation plots newly are to some extent flatter than those derived by some authors at early time. Our theoretical and statistical outcomes are in somewhat ","authors_text":"Hui-Rong Zhang, Jian-Wen Xu, Ya-Peng Hu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-01T09:46:08Z","title":"Theoretical Derivation of $\\Sigma$-$D$ Relation of Galactic SNRs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.0137","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:e2a84086e4c446c188394f1b7ee496195030c34cff5fc1da6fad8b8afb2eddc3","target":"record","created_at":"2026-05-18T02:44:55Z","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":"39ed79c2835bc740323b46384fb93c179de5809e2f35afe56ac0217b0b7e8695","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-01T09:46:08Z","title_canon_sha256":"9d5d973441e53ecd75c3af988abf35f1ce7a9b4af0a9c4336c3358f7fb79c7b3"},"schema_version":"1.0","source":{"id":"0909.0137","kind":"arxiv","version":2}},"canonical_sha256":"736852efa717955e59f9b89473d1d16ad946947e1de30a44b6c0cba590a8c79b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"736852efa717955e59f9b89473d1d16ad946947e1de30a44b6c0cba590a8c79b","first_computed_at":"2026-05-18T02:44:55.429905Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:55.429905Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rssI5fYnr03Yo1xi9cATBkZCzIH3nWvLiRaXg29QYvhsQtNRNVEiMk7uhX4L5ZwKavDmSNpr0A/7TeuDGfj/DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:55.430356Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.0137","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2a84086e4c446c188394f1b7ee496195030c34cff5fc1da6fad8b8afb2eddc3","sha256:54921cd527d00ee2d49720d1cbf9da24b5e315e388a536b9acc6587fdbee9ccf"],"state_sha256":"a7f38926a51362f51c3393c1b9ed7f3dfd599444eae6fb7cf6e9287888ef50cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0AtxueZmjtALMJu9q7AkPS5FRssMacQnhr0fhLaZHMvzLYB+gAtiLzqZq0ixCneryokR1Qkm46+1aDHN09nHAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T06:54:39.484098Z","bundle_sha256":"501f21f68498c9c96a3e2add6afafcb9147020b17857d7ce6bc50727b65ea03a"}}