{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:27APYT2YXZL42FI7QXH6LYZ3OR","short_pith_number":"pith:27APYT2Y","canonical_record":{"source":{"id":"1102.4453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-22T10:41:15Z","cross_cats_sorted":[],"title_canon_sha256":"b6c5638d5b3a585931b187a7027fac3b515cea9e9923578a5d7939d66d451cbc","abstract_canon_sha256":"a5eba1a06ab47a9321199fd878c6cb43039c4f8b3e35389e80519c436f1873e8"},"schema_version":"1.0"},"canonical_sha256":"d7c0fc4f58be57cd151f85cfe5e33b7452d9e9a2c7b88b01b47f6487f3fa6f39","source":{"kind":"arxiv","id":"1102.4453","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4453","created_at":"2026-05-18T00:55:47Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4453v1","created_at":"2026-05-18T00:55:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4453","created_at":"2026-05-18T00:55:47Z"},{"alias_kind":"pith_short_12","alias_value":"27APYT2YXZL4","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"27APYT2YXZL42FI7","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"27APYT2Y","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:27APYT2YXZL42FI7QXH6LYZ3OR","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-22T10:41:15Z","cross_cats_sorted":[],"title_canon_sha256":"b6c5638d5b3a585931b187a7027fac3b515cea9e9923578a5d7939d66d451cbc","abstract_canon_sha256":"a5eba1a06ab47a9321199fd878c6cb43039c4f8b3e35389e80519c436f1873e8"},"schema_version":"1.0"},"canonical_sha256":"d7c0fc4f58be57cd151f85cfe5e33b7452d9e9a2c7b88b01b47f6487f3fa6f39","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:47.284814Z","signature_b64":"s31COJQ2uRqNFuK70BWRbBWwJ0GDzFySODZ3Sx7yYGRpKBbcNbeuGzFvwjDcRE2VVNkuvXqjb6cze1k5FyT8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7c0fc4f58be57cd151f85cfe5e33b7452d9e9a2c7b88b01b47f6487f3fa6f39","last_reissued_at":"2026-05-18T00:55:47.284020Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:47.284020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4453","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":"2026-05-18T00:55:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/A53RbdjD45hhJOm2J0CDTIJm7NIDkIl9yguIinDf05JapBTfnEpLEA7Hn9InNBi0DZpKlPafofF8aoSNjhfDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:26:20.737351Z"},"content_sha256":"6ad8eaac5c9bb051b0cc6a153ffaf417e2b83e035cabd8d94aa3c4e0ec194072","schema_version":"1.0","event_id":"sha256:6ad8eaac5c9bb051b0cc6a153ffaf417e2b83e035cabd8d94aa3c4e0ec194072"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:27APYT2YXZL42FI7QXH6LYZ3OR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Catalogue of known Galactic SNRs uncovered in HAalpa light","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":"2011-02-22T10:41:15Z","abstract_excerpt":"During detailed searches for new Galactic supernova remnants (SNRs) in the Anglo Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST) HAlpha survey of the southern Galactic plane, we also uncovered, for the first time, possible associated HAlpha emission in the vicinity of about 24 known Galactic SNRs previously known solely from radio or X-ray observations.The possible optical counterparts to these known SNR were detected due to the 1 arcsecond resolution and 5 Rayleigh sensitivity of this HAlpha survey.\n  The newly discovered emission frequently exhibits the typical filamentary"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4453","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":"2026-05-18T00:55:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bTL1xzdyGc0cxkf9Iqvfd9wm/ckZ1HEKQPNTg2FLV63f+DnbtqX/VYmT6lI+4rGYWywdwrPyXBgl3k+sa7CuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:26:20.738034Z"},"content_sha256":"0d5075843fec75406491a2c529a1dc5d57836e884da8b5c0f87ee51fc7b13780","schema_version":"1.0","event_id":"sha256:0d5075843fec75406491a2c529a1dc5d57836e884da8b5c0f87ee51fc7b13780"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/27APYT2YXZL42FI7QXH6LYZ3OR/bundle.json","state_url":"https://pith.science/pith/27APYT2YXZL42FI7QXH6LYZ3OR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/27APYT2YXZL42FI7QXH6LYZ3OR/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":"2026-05-28T21:26:20Z","links":{"resolver":"https://pith.science/pith/27APYT2YXZL42FI7QXH6LYZ3OR","bundle":"https://pith.science/pith/27APYT2YXZL42FI7QXH6LYZ3OR/bundle.json","state":"https://pith.science/pith/27APYT2YXZL42FI7QXH6LYZ3OR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/27APYT2YXZL42FI7QXH6LYZ3OR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:27APYT2YXZL42FI7QXH6LYZ3OR","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":"a5eba1a06ab47a9321199fd878c6cb43039c4f8b3e35389e80519c436f1873e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-22T10:41:15Z","title_canon_sha256":"b6c5638d5b3a585931b187a7027fac3b515cea9e9923578a5d7939d66d451cbc"},"schema_version":"1.0","source":{"id":"1102.4453","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4453","created_at":"2026-05-18T00:55:47Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4453v1","created_at":"2026-05-18T00:55:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4453","created_at":"2026-05-18T00:55:47Z"},{"alias_kind":"pith_short_12","alias_value":"27APYT2YXZL4","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"27APYT2YXZL42FI7","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"27APYT2Y","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:0d5075843fec75406491a2c529a1dc5d57836e884da8b5c0f87ee51fc7b13780","target":"graph","created_at":"2026-05-18T00:55:47Z","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 detailed searches for new Galactic supernova remnants (SNRs) in the Anglo Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST) HAlpha survey of the southern Galactic plane, we also uncovered, for the first time, possible associated HAlpha emission in the vicinity of about 24 known Galactic SNRs previously known solely from radio or X-ray observations.The possible optical counterparts to these known SNR were detected due to the 1 arcsecond resolution and 5 Rayleigh sensitivity of this HAlpha survey.\n  The newly discovered emission frequently exhibits the typical filamentary","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":"2011-02-22T10:41:15Z","title":"Catalogue of known Galactic SNRs uncovered in HAalpa light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4453","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":"sha256:6ad8eaac5c9bb051b0cc6a153ffaf417e2b83e035cabd8d94aa3c4e0ec194072","target":"record","created_at":"2026-05-18T00:55:47Z","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":"a5eba1a06ab47a9321199fd878c6cb43039c4f8b3e35389e80519c436f1873e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-22T10:41:15Z","title_canon_sha256":"b6c5638d5b3a585931b187a7027fac3b515cea9e9923578a5d7939d66d451cbc"},"schema_version":"1.0","source":{"id":"1102.4453","kind":"arxiv","version":1}},"canonical_sha256":"d7c0fc4f58be57cd151f85cfe5e33b7452d9e9a2c7b88b01b47f6487f3fa6f39","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7c0fc4f58be57cd151f85cfe5e33b7452d9e9a2c7b88b01b47f6487f3fa6f39","first_computed_at":"2026-05-18T00:55:47.284020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:47.284020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s31COJQ2uRqNFuK70BWRbBWwJ0GDzFySODZ3Sx7yYGRpKBbcNbeuGzFvwjDcRE2VVNkuvXqjb6cze1k5FyT8AA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:47.284814Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4453","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ad8eaac5c9bb051b0cc6a153ffaf417e2b83e035cabd8d94aa3c4e0ec194072","sha256:0d5075843fec75406491a2c529a1dc5d57836e884da8b5c0f87ee51fc7b13780"],"state_sha256":"7c966329f14c0d1799558578c849590b2e94f8290b2761e7151d8ae033469ff7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7MbdsuRA1HeO1O8qwbNnULpR1dVqsUIbjJ3fH37G2vsdr0aiu3j8RpsMma1V9/CQ6Wci6qWCZpuHuVqj7BOdDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:26:20.742201Z","bundle_sha256":"fea76f72c85f78eba0b458fb470d5a66e799aa7423248aa6e5a76c0e25c2f219"}}