{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4PHX3XQPAH2JXAOOECEK34E3DL","short_pith_number":"pith:4PHX3XQP","canonical_record":{"source":{"id":"2205.11144","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-05-23T09:10:20Z","cross_cats_sorted":[],"title_canon_sha256":"3a41dcde9d9fecd47b1c9773958610af4ec1f973d31956ce8dd3d71bc151c46e","abstract_canon_sha256":"fd321d0a96a705d477c269ab48faa1e57fbe4572f93d95ba02ffb1c0ecb0cbce"},"schema_version":"1.0"},"canonical_sha256":"e3cf7dde0f01f49b81ce2088adf09b1acc40d78647f6a0c3ca2a544f176ed6be","source":{"kind":"arxiv","id":"2205.11144","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.11144","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"arxiv_version","alias_value":"2205.11144v2","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.11144","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"pith_short_12","alias_value":"4PHX3XQPAH2J","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"pith_short_16","alias_value":"4PHX3XQPAH2JXAOO","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"pith_short_8","alias_value":"4PHX3XQP","created_at":"2026-07-05T04:36:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4PHX3XQPAH2JXAOOECEK34E3DL","target":"record","payload":{"canonical_record":{"source":{"id":"2205.11144","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-05-23T09:10:20Z","cross_cats_sorted":[],"title_canon_sha256":"3a41dcde9d9fecd47b1c9773958610af4ec1f973d31956ce8dd3d71bc151c46e","abstract_canon_sha256":"fd321d0a96a705d477c269ab48faa1e57fbe4572f93d95ba02ffb1c0ecb0cbce"},"schema_version":"1.0"},"canonical_sha256":"e3cf7dde0f01f49b81ce2088adf09b1acc40d78647f6a0c3ca2a544f176ed6be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:36:49.358605Z","signature_b64":"d0eIEJIkxFEIsZXmIkyXFpo9eoxdWe4oLmlAnbMsgIEm52PiPeHucUy/grF0M3JtbhRKKJ+L4Lb/DCnBKMPVDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3cf7dde0f01f49b81ce2088adf09b1acc40d78647f6a0c3ca2a544f176ed6be","last_reissued_at":"2026-07-05T04:36:49.358125Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:36:49.358125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.11144","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":"2026-07-05T04:36:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aWDbmw0aJD7lO76BH9RUXxHwVHYeLnC3riywurffosesETeJSeOlVd4bCgSf0oAWw1HMCn80++7ZnAkfvX7oAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T12:46:20.927541Z"},"content_sha256":"926673566f881f0b793a04d7599f49f0ebbe2f07ded64d0cbd1fc0dd844ba2cf","schema_version":"1.0","event_id":"sha256:926673566f881f0b793a04d7599f49f0ebbe2f07ded64d0cbd1fc0dd844ba2cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4PHX3XQPAH2JXAOOECEK34E3DL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Radio Continuum Study of NGC 2082","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Joel C. F. Balzan, Luke Barnes, Miroslav D. Filipovic, Rami Z. E. Alsaberi, Shi Dai","submitted_at":"2022-05-23T09:10:20Z","abstract_excerpt":"We present radio continuum observations of NGC 2082 using ASKAP, ATCA and Parkes telescopes from 888 MHz to 9000 MHz. Some 20 arcsec from the centre of this nearby spiral galaxy, we discovered a bright and compact radio source, J054149.24-641813.7, of unknown origin. To constrain the nature of J054149.24-641813.7, we searched for transient events with the Ultra-Wideband Low Parkes receiver, and compare its luminosity and spectral index to various nearby supernova remnants (SNRs), and fast radio burst (FRB) local environments. Its radio spectral index is flat (${\\alpha} = 0.02 \\pm 0.09$) which "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.11144","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/2205.11144/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":"2026-07-05T04:36:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ll/E1uf0/pAnK+diUqN8gsZzqVghkf8boJC5yv24HLeDxMiNwrzEoa7sP0F568j+C5X35/3coUBuG4GGjCRvBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T12:46:20.928410Z"},"content_sha256":"768540c3f4f7fcea7178738c87a4409de93ee973a9ee28c9a7c2ddfa9a7543eb","schema_version":"1.0","event_id":"sha256:768540c3f4f7fcea7178738c87a4409de93ee973a9ee28c9a7c2ddfa9a7543eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4PHX3XQPAH2JXAOOECEK34E3DL/bundle.json","state_url":"https://pith.science/pith/4PHX3XQPAH2JXAOOECEK34E3DL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4PHX3XQPAH2JXAOOECEK34E3DL/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":"2026-08-01T12:46:20Z","links":{"resolver":"https://pith.science/pith/4PHX3XQPAH2JXAOOECEK34E3DL","bundle":"https://pith.science/pith/4PHX3XQPAH2JXAOOECEK34E3DL/bundle.json","state":"https://pith.science/pith/4PHX3XQPAH2JXAOOECEK34E3DL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4PHX3XQPAH2JXAOOECEK34E3DL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4PHX3XQPAH2JXAOOECEK34E3DL","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":"fd321d0a96a705d477c269ab48faa1e57fbe4572f93d95ba02ffb1c0ecb0cbce","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-05-23T09:10:20Z","title_canon_sha256":"3a41dcde9d9fecd47b1c9773958610af4ec1f973d31956ce8dd3d71bc151c46e"},"schema_version":"1.0","source":{"id":"2205.11144","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.11144","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"arxiv_version","alias_value":"2205.11144v2","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.11144","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"pith_short_12","alias_value":"4PHX3XQPAH2J","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"pith_short_16","alias_value":"4PHX3XQPAH2JXAOO","created_at":"2026-07-05T04:36:49Z"},{"alias_kind":"pith_short_8","alias_value":"4PHX3XQP","created_at":"2026-07-05T04:36:49Z"}],"graph_snapshots":[{"event_id":"sha256:768540c3f4f7fcea7178738c87a4409de93ee973a9ee28c9a7c2ddfa9a7543eb","target":"graph","created_at":"2026-07-05T04:36:49Z","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/2205.11144/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present radio continuum observations of NGC 2082 using ASKAP, ATCA and Parkes telescopes from 888 MHz to 9000 MHz. Some 20 arcsec from the centre of this nearby spiral galaxy, we discovered a bright and compact radio source, J054149.24-641813.7, of unknown origin. To constrain the nature of J054149.24-641813.7, we searched for transient events with the Ultra-Wideband Low Parkes receiver, and compare its luminosity and spectral index to various nearby supernova remnants (SNRs), and fast radio burst (FRB) local environments. Its radio spectral index is flat (${\\alpha} = 0.02 \\pm 0.09$) which ","authors_text":"Joel C. F. Balzan, Luke Barnes, Miroslav D. Filipovic, Rami Z. E. Alsaberi, Shi Dai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-05-23T09:10:20Z","title":"A Radio Continuum Study of NGC 2082"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.11144","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":"sha256:926673566f881f0b793a04d7599f49f0ebbe2f07ded64d0cbd1fc0dd844ba2cf","target":"record","created_at":"2026-07-05T04:36:49Z","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":"fd321d0a96a705d477c269ab48faa1e57fbe4572f93d95ba02ffb1c0ecb0cbce","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-05-23T09:10:20Z","title_canon_sha256":"3a41dcde9d9fecd47b1c9773958610af4ec1f973d31956ce8dd3d71bc151c46e"},"schema_version":"1.0","source":{"id":"2205.11144","kind":"arxiv","version":2}},"canonical_sha256":"e3cf7dde0f01f49b81ce2088adf09b1acc40d78647f6a0c3ca2a544f176ed6be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3cf7dde0f01f49b81ce2088adf09b1acc40d78647f6a0c3ca2a544f176ed6be","first_computed_at":"2026-07-05T04:36:49.358125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:36:49.358125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d0eIEJIkxFEIsZXmIkyXFpo9eoxdWe4oLmlAnbMsgIEm52PiPeHucUy/grF0M3JtbhRKKJ+L4Lb/DCnBKMPVDw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:36:49.358605Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.11144","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:926673566f881f0b793a04d7599f49f0ebbe2f07ded64d0cbd1fc0dd844ba2cf","sha256:768540c3f4f7fcea7178738c87a4409de93ee973a9ee28c9a7c2ddfa9a7543eb"],"state_sha256":"0611c2fc5ccfbefe8fb0621c68c330adf6604ddf1ea6a6ee1dfde43bd4902fb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ODvCXaNLPM77Wn1erWI7qG2ZYCXOLhtfKIGPCucNlZGEJWdd1gz3Kz8epgrjbeJkEFjSmkyE26/pLjEl+w60Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T12:46:20.934208Z","bundle_sha256":"dcc3e594127bd50f9b56b98045e03152f018add31db09443bd5f05fb28b6d584"}}