{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Y2OPCVHI2H3FBDAV73IN3MRSNM","short_pith_number":"pith:Y2OPCVHI","canonical_record":{"source":{"id":"1110.1827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-09T12:12:27Z","cross_cats_sorted":[],"title_canon_sha256":"04e53c056d983a7f78c4c135f6c68c0ed5ef3a47372f481d77cc13a8e9aa6e8c","abstract_canon_sha256":"c463d0a1670bc919ef716231241f318abafd3d306fb88ec9c016b7849ba41f1d"},"schema_version":"1.0"},"canonical_sha256":"c69cf154e8d1f6508c15fed0ddb2326b1895867606a3022ece92a99369ed9b47","source":{"kind":"arxiv","id":"1110.1827","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1827","created_at":"2026-05-18T02:00:15Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1827v1","created_at":"2026-05-18T02:00:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1827","created_at":"2026-05-18T02:00:15Z"},{"alias_kind":"pith_short_12","alias_value":"Y2OPCVHI2H3F","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y2OPCVHI2H3FBDAV","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y2OPCVHI","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Y2OPCVHI2H3FBDAV73IN3MRSNM","target":"record","payload":{"canonical_record":{"source":{"id":"1110.1827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-09T12:12:27Z","cross_cats_sorted":[],"title_canon_sha256":"04e53c056d983a7f78c4c135f6c68c0ed5ef3a47372f481d77cc13a8e9aa6e8c","abstract_canon_sha256":"c463d0a1670bc919ef716231241f318abafd3d306fb88ec9c016b7849ba41f1d"},"schema_version":"1.0"},"canonical_sha256":"c69cf154e8d1f6508c15fed0ddb2326b1895867606a3022ece92a99369ed9b47","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:15.975927Z","signature_b64":"1H6tF6SeNd6iNhy07XQ4ASXiamnouZuvbvnf0PAFYNTno3HsBVh9Anr/xnGeJXqJs7knRpsNQiImobRHW1ZXDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c69cf154e8d1f6508c15fed0ddb2326b1895867606a3022ece92a99369ed9b47","last_reissued_at":"2026-05-18T02:00:15.975303Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:15.975303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.1827","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":"2026-05-18T02:00:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rfW6Ds9+X9lfwg1qbz7GQGD7/YGrBYwZtBMZ5Cs8nt9KhEmCKGZ7civIK0a5Md+jMqKo7zo7qxahDR9C8LJODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:55:47.272965Z"},"content_sha256":"62806919df98b23e79812ec38273c1d15009b6ad24dda633c91258a3290396fb","schema_version":"1.0","event_id":"sha256:62806919df98b23e79812ec38273c1d15009b6ad24dda633c91258a3290396fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Y2OPCVHI2H3FBDAV73IN3MRSNM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical detection and spectroscopic confirmation of supernova remnant G213.0-0.6 (now re-designated as G213.3-0.4)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"M.Stupar, Q.A.Parker","submitted_at":"2011-10-09T12:12:27Z","abstract_excerpt":"During a detailed search for optical counterparts of known Galactic supernova remnants (SNRs) using the Anglo Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST) HAlpha survey of the southern Galactic plane we have found characteristic optical HAlpha filaments and associated emission in the area of SNR G213.0-0.6. Although this remnant was previously detected in the radio as a non-thermal source, we also confirm emission at 4850 MHz in the Parkes-MIT-NRAO (PMN) survey and at 1400 MHz in the NRAO/VLA Sky Survey (NVSS). There is an excellent match in morphological structure betwee"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1827","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":"2026-05-18T02:00:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PpRMZgsEjsEexD3KuRfbA6Qptumua2SEzCE+TjMvNabmfrEgjOrevT/HBUivqSUy27PzdL+dUHmwu5sLh6kUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:55:47.273605Z"},"content_sha256":"2bad3eba5de327ac8a86ed23c4963fd0bdb784a88b7f7e65b6d14d072386f130","schema_version":"1.0","event_id":"sha256:2bad3eba5de327ac8a86ed23c4963fd0bdb784a88b7f7e65b6d14d072386f130"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y2OPCVHI2H3FBDAV73IN3MRSNM/bundle.json","state_url":"https://pith.science/pith/Y2OPCVHI2H3FBDAV73IN3MRSNM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y2OPCVHI2H3FBDAV73IN3MRSNM/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":"2026-05-27T11:55:47Z","links":{"resolver":"https://pith.science/pith/Y2OPCVHI2H3FBDAV73IN3MRSNM","bundle":"https://pith.science/pith/Y2OPCVHI2H3FBDAV73IN3MRSNM/bundle.json","state":"https://pith.science/pith/Y2OPCVHI2H3FBDAV73IN3MRSNM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y2OPCVHI2H3FBDAV73IN3MRSNM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Y2OPCVHI2H3FBDAV73IN3MRSNM","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":"c463d0a1670bc919ef716231241f318abafd3d306fb88ec9c016b7849ba41f1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-09T12:12:27Z","title_canon_sha256":"04e53c056d983a7f78c4c135f6c68c0ed5ef3a47372f481d77cc13a8e9aa6e8c"},"schema_version":"1.0","source":{"id":"1110.1827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1827","created_at":"2026-05-18T02:00:15Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1827v1","created_at":"2026-05-18T02:00:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1827","created_at":"2026-05-18T02:00:15Z"},{"alias_kind":"pith_short_12","alias_value":"Y2OPCVHI2H3F","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y2OPCVHI2H3FBDAV","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y2OPCVHI","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:2bad3eba5de327ac8a86ed23c4963fd0bdb784a88b7f7e65b6d14d072386f130","target":"graph","created_at":"2026-05-18T02:00:15Z","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":"During a detailed search for optical counterparts of known Galactic supernova remnants (SNRs) using the Anglo Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST) HAlpha survey of the southern Galactic plane we have found characteristic optical HAlpha filaments and associated emission in the area of SNR G213.0-0.6. Although this remnant was previously detected in the radio as a non-thermal source, we also confirm emission at 4850 MHz in the Parkes-MIT-NRAO (PMN) survey and at 1400 MHz in the NRAO/VLA Sky Survey (NVSS). There is an excellent match in morphological structure betwee","authors_text":"M.Stupar, Q.A.Parker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-09T12:12:27Z","title":"Optical detection and spectroscopic confirmation of supernova remnant G213.0-0.6 (now re-designated as G213.3-0.4)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1827","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":"sha256:62806919df98b23e79812ec38273c1d15009b6ad24dda633c91258a3290396fb","target":"record","created_at":"2026-05-18T02:00:15Z","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":"c463d0a1670bc919ef716231241f318abafd3d306fb88ec9c016b7849ba41f1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-09T12:12:27Z","title_canon_sha256":"04e53c056d983a7f78c4c135f6c68c0ed5ef3a47372f481d77cc13a8e9aa6e8c"},"schema_version":"1.0","source":{"id":"1110.1827","kind":"arxiv","version":1}},"canonical_sha256":"c69cf154e8d1f6508c15fed0ddb2326b1895867606a3022ece92a99369ed9b47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c69cf154e8d1f6508c15fed0ddb2326b1895867606a3022ece92a99369ed9b47","first_computed_at":"2026-05-18T02:00:15.975303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:15.975303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1H6tF6SeNd6iNhy07XQ4ASXiamnouZuvbvnf0PAFYNTno3HsBVh9Anr/xnGeJXqJs7knRpsNQiImobRHW1ZXDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:15.975927Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.1827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62806919df98b23e79812ec38273c1d15009b6ad24dda633c91258a3290396fb","sha256:2bad3eba5de327ac8a86ed23c4963fd0bdb784a88b7f7e65b6d14d072386f130"],"state_sha256":"68241b6c48e1de7304aae7f5b764527c07e956e89a967fe558e73198b80d4394"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QnI9oijkeN+lshuJRhlXpAoEeYHaOC8ApyVLX/245bqGAGz1qUgeljA8ftcVIQzCkZnV2sI9GfwQ/WmoDgMiDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:55:47.277207Z","bundle_sha256":"4d09c790e450b653f0a37a5f9f2418ef5a1bdb975fe6e72ff42293c3cd14c80a"}}