{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:NLW5E6PQDK5JCZCTFHSSHYJFO6","short_pith_number":"pith:NLW5E6PQ","canonical_record":{"source":{"id":"2203.01931","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-02T19:00:08Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"06b7ed68e9282d7f1c80a42cfa098b0b1f78b960eac08816aacba9809c6f531d","abstract_canon_sha256":"ebe48c6ee43dfd454054d579c4e060fb5c434af0a7806266f69953e7e12a61da"},"schema_version":"1.0"},"canonical_sha256":"6aedd279f01aba91645329e523e12577a370a7e54bca53e5a68b61fa2161a9ef","source":{"kind":"arxiv","id":"2203.01931","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.01931","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"arxiv_version","alias_value":"2203.01931v2","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.01931","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"pith_short_12","alias_value":"NLW5E6PQDK5J","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"pith_short_16","alias_value":"NLW5E6PQDK5JCZCT","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"pith_short_8","alias_value":"NLW5E6PQ","created_at":"2026-07-05T04:19:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:NLW5E6PQDK5JCZCTFHSSHYJFO6","target":"record","payload":{"canonical_record":{"source":{"id":"2203.01931","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-02T19:00:08Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"06b7ed68e9282d7f1c80a42cfa098b0b1f78b960eac08816aacba9809c6f531d","abstract_canon_sha256":"ebe48c6ee43dfd454054d579c4e060fb5c434af0a7806266f69953e7e12a61da"},"schema_version":"1.0"},"canonical_sha256":"6aedd279f01aba91645329e523e12577a370a7e54bca53e5a68b61fa2161a9ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:19:55.638042Z","signature_b64":"vA7+2rmc9vtOjf/dgv5P+pk17ugfpD2RSOq+MwH+HjOQXJ6rZKHwVxki5SbNdrJJvIyhzOCxYh1FX/oqoM0CDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6aedd279f01aba91645329e523e12577a370a7e54bca53e5a68b61fa2161a9ef","last_reissued_at":"2026-07-05T04:19:55.637479Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:19:55.637479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.01931","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":"2026-07-05T04:19:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qz7H0Xkp44kiCBCz3FYqKdzlML3UzmfZn34ao6YIqcnBDqPHHzeadQ1sULfL0cAYS/On+WDvtMAo1wIR66zeCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T20:31:00.179756Z"},"content_sha256":"506941c4514d1726101454247dae50fe830da3ba92842d37a77c15342dbf5a60","schema_version":"1.0","event_id":"sha256:506941c4514d1726101454247dae50fe830da3ba92842d37a77c15342dbf5a60"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:NLW5E6PQDK5JCZCTFHSSHYJFO6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spitzer and Herschel studies of dust in supernova remnants in the Small Magellanic Cloud","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"2), (2) University of Bristol, (3) Western Sydney University, 4, (4) Macquarie University, 5), (5) Observatory Hill Waitoki (6) University College London), Andy Rigby (1), F.D. Priestley (1), Haley E. Gomez (1) ((1) Cardiff University, Hannah Chawner (1, M.D. Filipovic (3), Mikako Matsuura (1), M.J. Barlow (6), Victoria Ayley (1), Warren Reid (3","submitted_at":"2022-03-02T19:00:08Z","abstract_excerpt":"With the entire Small Magellanic Cloud (SMC) mapped by the Spitzer Space Telescope and Herschel Space Observatory, we were able to search 8-250 micron images in order to identify infrared (IR) emission associated with SMC supernova remnants (SNRs). A valid detection had to correspond with known X-ray, Halpha and radio emission from the SNRs. From the 24 known SNRs, we made 5 positive detections with another 5 possible detections. Two detections are associated with pulsars or pulsar wind nebula, and another three detections are part of the extended nebulous emission from the SNRs. We modelled d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.01931","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/2203.01931/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":"2026-07-05T04:19:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TdPlVQAUafy8zfHZDC6dJiT6FOB2Xt0nPjiJmaSSkLohM7IakJmlKmGJo/hYBZOtewa1XdGO75raPOp9j4mHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T20:31:00.180147Z"},"content_sha256":"dc052dfde0b469589af9873af0ad5e07f13133e2ccb0be05b97342b71d643b9e","schema_version":"1.0","event_id":"sha256:dc052dfde0b469589af9873af0ad5e07f13133e2ccb0be05b97342b71d643b9e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NLW5E6PQDK5JCZCTFHSSHYJFO6/bundle.json","state_url":"https://pith.science/pith/NLW5E6PQDK5JCZCTFHSSHYJFO6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NLW5E6PQDK5JCZCTFHSSHYJFO6/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":"2026-07-25T20:31:00Z","links":{"resolver":"https://pith.science/pith/NLW5E6PQDK5JCZCTFHSSHYJFO6","bundle":"https://pith.science/pith/NLW5E6PQDK5JCZCTFHSSHYJFO6/bundle.json","state":"https://pith.science/pith/NLW5E6PQDK5JCZCTFHSSHYJFO6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NLW5E6PQDK5JCZCTFHSSHYJFO6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:NLW5E6PQDK5JCZCTFHSSHYJFO6","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":"ebe48c6ee43dfd454054d579c4e060fb5c434af0a7806266f69953e7e12a61da","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-02T19:00:08Z","title_canon_sha256":"06b7ed68e9282d7f1c80a42cfa098b0b1f78b960eac08816aacba9809c6f531d"},"schema_version":"1.0","source":{"id":"2203.01931","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.01931","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"arxiv_version","alias_value":"2203.01931v2","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.01931","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"pith_short_12","alias_value":"NLW5E6PQDK5J","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"pith_short_16","alias_value":"NLW5E6PQDK5JCZCT","created_at":"2026-07-05T04:19:55Z"},{"alias_kind":"pith_short_8","alias_value":"NLW5E6PQ","created_at":"2026-07-05T04:19:55Z"}],"graph_snapshots":[{"event_id":"sha256:dc052dfde0b469589af9873af0ad5e07f13133e2ccb0be05b97342b71d643b9e","target":"graph","created_at":"2026-07-05T04:19:55Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2203.01931/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the entire Small Magellanic Cloud (SMC) mapped by the Spitzer Space Telescope and Herschel Space Observatory, we were able to search 8-250 micron images in order to identify infrared (IR) emission associated with SMC supernova remnants (SNRs). A valid detection had to correspond with known X-ray, Halpha and radio emission from the SNRs. From the 24 known SNRs, we made 5 positive detections with another 5 possible detections. Two detections are associated with pulsars or pulsar wind nebula, and another three detections are part of the extended nebulous emission from the SNRs. We modelled d","authors_text":"2), (2) University of Bristol, (3) Western Sydney University, 4, (4) Macquarie University, 5), (5) Observatory Hill Waitoki (6) University College London), Andy Rigby (1), F.D. Priestley (1), Haley E. Gomez (1) ((1) Cardiff University, Hannah Chawner (1, M.D. Filipovic (3), Mikako Matsuura (1), M.J. Barlow (6), Victoria Ayley (1), Warren Reid (3","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-02T19:00:08Z","title":"Spitzer and Herschel studies of dust in supernova remnants in the Small Magellanic Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.01931","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":"sha256:506941c4514d1726101454247dae50fe830da3ba92842d37a77c15342dbf5a60","target":"record","created_at":"2026-07-05T04:19:55Z","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":"ebe48c6ee43dfd454054d579c4e060fb5c434af0a7806266f69953e7e12a61da","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-03-02T19:00:08Z","title_canon_sha256":"06b7ed68e9282d7f1c80a42cfa098b0b1f78b960eac08816aacba9809c6f531d"},"schema_version":"1.0","source":{"id":"2203.01931","kind":"arxiv","version":2}},"canonical_sha256":"6aedd279f01aba91645329e523e12577a370a7e54bca53e5a68b61fa2161a9ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6aedd279f01aba91645329e523e12577a370a7e54bca53e5a68b61fa2161a9ef","first_computed_at":"2026-07-05T04:19:55.637479Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:19:55.637479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vA7+2rmc9vtOjf/dgv5P+pk17ugfpD2RSOq+MwH+HjOQXJ6rZKHwVxki5SbNdrJJvIyhzOCxYh1FX/oqoM0CDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:19:55.638042Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.01931","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:506941c4514d1726101454247dae50fe830da3ba92842d37a77c15342dbf5a60","sha256:dc052dfde0b469589af9873af0ad5e07f13133e2ccb0be05b97342b71d643b9e"],"state_sha256":"1b8be4784b5a183602e5362072793be4858c64794e145b72b29b1e9d8551dfed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Iw7ZlZYJhsfcvYvIFDKbYYhp/gQRQiKF1vUrjob8bEGrlNhVmQMHFDpm3h/0pw2jtoUROjpg9RPkO+Bz+QYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T20:31:00.182243Z","bundle_sha256":"6d9581a4cf9979c1965e0b27fccdec57c510a822263ac616260f9422c8b75d11"}}