{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4FUUTBOQTDP537RHNJZKHZ3KSR","short_pith_number":"pith:4FUUTBOQ","canonical_record":{"source":{"id":"1202.1593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-02-08T03:52:15Z","cross_cats_sorted":[],"title_canon_sha256":"57a6fb0b8a77ae0974cd5835051f7e33609cdf69c3bb405a7c2bf0a79c47efd1","abstract_canon_sha256":"3a49be5c6cf15a7e904874a40d9eeb32a369290ab3a6a915ddcc91420b866d50"},"schema_version":"1.0"},"canonical_sha256":"e1694985d098dfddfe276a72a3e76a9446aecf017fe886acf99f92e118472cf9","source":{"kind":"arxiv","id":"1202.1593","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.1593","created_at":"2026-05-18T04:02:51Z"},{"alias_kind":"arxiv_version","alias_value":"1202.1593v1","created_at":"2026-05-18T04:02:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.1593","created_at":"2026-05-18T04:02:51Z"},{"alias_kind":"pith_short_12","alias_value":"4FUUTBOQTDP5","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4FUUTBOQTDP537RH","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4FUUTBOQ","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4FUUTBOQTDP537RHNJZKHZ3KSR","target":"record","payload":{"canonical_record":{"source":{"id":"1202.1593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-02-08T03:52:15Z","cross_cats_sorted":[],"title_canon_sha256":"57a6fb0b8a77ae0974cd5835051f7e33609cdf69c3bb405a7c2bf0a79c47efd1","abstract_canon_sha256":"3a49be5c6cf15a7e904874a40d9eeb32a369290ab3a6a915ddcc91420b866d50"},"schema_version":"1.0"},"canonical_sha256":"e1694985d098dfddfe276a72a3e76a9446aecf017fe886acf99f92e118472cf9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:51.905530Z","signature_b64":"Hg2bAhZxVlPL2aip61IW8G1vPHKJU1aohEUYDNa+KWcthQ/pl9WQO68u1Hf6vsW/9O1Vv+YE83ct2cAAgoK4Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1694985d098dfddfe276a72a3e76a9446aecf017fe886acf99f92e118472cf9","last_reissued_at":"2026-05-18T04:02:51.904701Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:51.904701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.1593","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":"2026-05-18T04:02:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8vS6vwJD/KeW0z8IZcNLT7fReNZczGWKtMzAT3Q/yYN5scbI2ennqinu+kKDx/ZZLfLlYtp61btRMdsr/U8PBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:38:29.464341Z"},"content_sha256":"11c248a6818344311fe39736a20581ff59eb0d976861db5b6103174e783a05ac","schema_version":"1.0","event_id":"sha256:11c248a6818344311fe39736a20581ff59eb0d976861db5b6103174e783a05ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4FUUTBOQTDP537RHNJZKHZ3KSR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Insights into SNR Evolution Revealed by the Discovery of Recombining Plasmas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Hiroya Yamaguchi, Midori Ozawa, Takao Ohnishi","submitted_at":"2012-02-08T03:52:15Z","abstract_excerpt":"We report the discovery of recombining plasmas in three supernova remnants (SNRs) with the Suzaku X-ray astronomy satellite. During SNR's evolution, the expanding supernova ejecta and the ambient matter are compressed and heated by the reverse and forward shocks to form an X-ray emitting hot plasma. Since ionization proceeds slowly compared to shock heating, most young or middle-aged SNRs have ionizing (underionized) plasmas. Owing to high sensitivity of Suzaku, however, we have detected radiative recombination continua (RRCs) from the SNRs IC 443, W49B, and G359.1-0.5. The presence of the str"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.1593","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":"2026-05-18T04:02:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sIYxmdDAIfLFDkmcoJ6qaUf9S5SqNKeCY5EjWHF/pcQSD/B44hAon2JsJfPg5dZS/TWSo4bbYKTS8jX20xZvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:38:29.464704Z"},"content_sha256":"4e9e92c5399188931fef0c31bd6cd6a994d3560a206dba78e2c798ad42e42b21","schema_version":"1.0","event_id":"sha256:4e9e92c5399188931fef0c31bd6cd6a994d3560a206dba78e2c798ad42e42b21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FUUTBOQTDP537RHNJZKHZ3KSR/bundle.json","state_url":"https://pith.science/pith/4FUUTBOQTDP537RHNJZKHZ3KSR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FUUTBOQTDP537RHNJZKHZ3KSR/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":"2026-05-30T07:38:29Z","links":{"resolver":"https://pith.science/pith/4FUUTBOQTDP537RHNJZKHZ3KSR","bundle":"https://pith.science/pith/4FUUTBOQTDP537RHNJZKHZ3KSR/bundle.json","state":"https://pith.science/pith/4FUUTBOQTDP537RHNJZKHZ3KSR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FUUTBOQTDP537RHNJZKHZ3KSR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4FUUTBOQTDP537RHNJZKHZ3KSR","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":"3a49be5c6cf15a7e904874a40d9eeb32a369290ab3a6a915ddcc91420b866d50","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-02-08T03:52:15Z","title_canon_sha256":"57a6fb0b8a77ae0974cd5835051f7e33609cdf69c3bb405a7c2bf0a79c47efd1"},"schema_version":"1.0","source":{"id":"1202.1593","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.1593","created_at":"2026-05-18T04:02:51Z"},{"alias_kind":"arxiv_version","alias_value":"1202.1593v1","created_at":"2026-05-18T04:02:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.1593","created_at":"2026-05-18T04:02:51Z"},{"alias_kind":"pith_short_12","alias_value":"4FUUTBOQTDP5","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4FUUTBOQTDP537RH","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4FUUTBOQ","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:4e9e92c5399188931fef0c31bd6cd6a994d3560a206dba78e2c798ad42e42b21","target":"graph","created_at":"2026-05-18T04:02:51Z","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 report the discovery of recombining plasmas in three supernova remnants (SNRs) with the Suzaku X-ray astronomy satellite. During SNR's evolution, the expanding supernova ejecta and the ambient matter are compressed and heated by the reverse and forward shocks to form an X-ray emitting hot plasma. Since ionization proceeds slowly compared to shock heating, most young or middle-aged SNRs have ionizing (underionized) plasmas. Owing to high sensitivity of Suzaku, however, we have detected radiative recombination continua (RRCs) from the SNRs IC 443, W49B, and G359.1-0.5. The presence of the str","authors_text":"Hiroya Yamaguchi, Midori Ozawa, Takao Ohnishi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-02-08T03:52:15Z","title":"New Insights into SNR Evolution Revealed by the Discovery of Recombining Plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.1593","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":"sha256:11c248a6818344311fe39736a20581ff59eb0d976861db5b6103174e783a05ac","target":"record","created_at":"2026-05-18T04:02:51Z","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":"3a49be5c6cf15a7e904874a40d9eeb32a369290ab3a6a915ddcc91420b866d50","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-02-08T03:52:15Z","title_canon_sha256":"57a6fb0b8a77ae0974cd5835051f7e33609cdf69c3bb405a7c2bf0a79c47efd1"},"schema_version":"1.0","source":{"id":"1202.1593","kind":"arxiv","version":1}},"canonical_sha256":"e1694985d098dfddfe276a72a3e76a9446aecf017fe886acf99f92e118472cf9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1694985d098dfddfe276a72a3e76a9446aecf017fe886acf99f92e118472cf9","first_computed_at":"2026-05-18T04:02:51.904701Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:51.904701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hg2bAhZxVlPL2aip61IW8G1vPHKJU1aohEUYDNa+KWcthQ/pl9WQO68u1Hf6vsW/9O1Vv+YE83ct2cAAgoK4Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:51.905530Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.1593","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11c248a6818344311fe39736a20581ff59eb0d976861db5b6103174e783a05ac","sha256:4e9e92c5399188931fef0c31bd6cd6a994d3560a206dba78e2c798ad42e42b21"],"state_sha256":"794b92146b04a60d5cc18edc44f72ddd47944b158bc2c67aab2ebe005855846a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hxXNZmyt3fTbBaRuBtt1kbYIUrfp/0ZoqXMUWD9zIILWymd1VgfW0+SvHRedVB4aVxg51W3sgtX7ioE16SSPAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:38:29.466958Z","bundle_sha256":"b1f9ffd0ccafec465a8aaa514dda5c9b311293f752e5a2bd617a71fb425e1a6f"}}