{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KLI5DB4J2JJOEZ7PKVRS6YZJMK","short_pith_number":"pith:KLI5DB4J","canonical_record":{"source":{"id":"1405.7788","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-30T07:07:59Z","cross_cats_sorted":[],"title_canon_sha256":"367c3641908e6723358f10c9c5af0dc42ced66455c16510a831fbb84f4a1fd8b","abstract_canon_sha256":"80bf9935405a1f8ab07264217084aba3ec6a517e2a08ef20cf5f29989354daac"},"schema_version":"1.0"},"canonical_sha256":"52d1d18789d252e267ef55632f632962ac601d05e6312e8271e95c9698992764","source":{"kind":"arxiv","id":"1405.7788","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7788","created_at":"2026-05-18T01:43:04Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7788v1","created_at":"2026-05-18T01:43:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7788","created_at":"2026-05-18T01:43:04Z"},{"alias_kind":"pith_short_12","alias_value":"KLI5DB4J2JJO","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KLI5DB4J2JJOEZ7P","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KLI5DB4J","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KLI5DB4J2JJOEZ7PKVRS6YZJMK","target":"record","payload":{"canonical_record":{"source":{"id":"1405.7788","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-30T07:07:59Z","cross_cats_sorted":[],"title_canon_sha256":"367c3641908e6723358f10c9c5af0dc42ced66455c16510a831fbb84f4a1fd8b","abstract_canon_sha256":"80bf9935405a1f8ab07264217084aba3ec6a517e2a08ef20cf5f29989354daac"},"schema_version":"1.0"},"canonical_sha256":"52d1d18789d252e267ef55632f632962ac601d05e6312e8271e95c9698992764","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:04.707037Z","signature_b64":"/fFNDk78Zc7DFwR7xSn5FwumomC2/zq6+fEsYGPlnM/Td8ZBf72EJ5xjnqCIp7hT+Z+PLg4geVv/5YOb/28FBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52d1d18789d252e267ef55632f632962ac601d05e6312e8271e95c9698992764","last_reissued_at":"2026-05-18T01:43:04.706543Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:04.706543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.7788","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":"2026-05-18T01:43:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ez2W3NzZTlEPuFoNlKLVTneKSr7NUVz1VCunvlb1fb+gupJL+AJzm6EB4PbTCwU4rm9KqqswdSb2cXcQYh6HAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:50:33.096004Z"},"content_sha256":"503fbe7de6f095f6671f2a8de285ce65384788e49ebc43e007f9b6ee9c373607","schema_version":"1.0","event_id":"sha256:503fbe7de6f095f6671f2a8de285ce65384788e49ebc43e007f9b6ee9c373607"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KLI5DB4J2JJOEZ7PKVRS6YZJMK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HFPK 334: An unusual Supernova Remnant in the Small Magellanic Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"D. Urosevi\\'c, E. J. Crawford, F. Haberl, K. Heitritter, M. D. Filipovi\\'c, Q. Roper, R. L. McEntaffer, T. Brantseg","submitted_at":"2014-05-30T07:07:59Z","abstract_excerpt":"We present new Australia Telescope Compact Array (ATCA) radio-continuum and XMM-Newton/Chandra X-ray Observatory (CXO) observations of the unusual supernova remnant HFPK 334 in the Small Magellanic Cloud (SMC). The remnant follows a shell type morphology in the radio-continuum and has a size of $\\sim$20~pc at the SMC distance. The X-ray morphology is similar, however, we detect a prominent point source close to the center of the SNR exhibiting a spectrum with a best fit powerlaw with a photon index of $\\Gamma = 2.7 \\pm 0.5$. This central point source is most likely a background object and cann"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7788","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":"2026-05-18T01:43:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KUhL7V1BYQI+muwBZsaB+d2zMxLOd1T3vBpgW0UZ+lQCDA21nshlp2DcnhnW7tQwp6mYIgcIenerZf8RRA0wAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:50:33.096367Z"},"content_sha256":"2dac8624ff1beb9f9d252ae213da9ceb32c6ee26dcb860a9e247623f18b91a50","schema_version":"1.0","event_id":"sha256:2dac8624ff1beb9f9d252ae213da9ceb32c6ee26dcb860a9e247623f18b91a50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KLI5DB4J2JJOEZ7PKVRS6YZJMK/bundle.json","state_url":"https://pith.science/pith/KLI5DB4J2JJOEZ7PKVRS6YZJMK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KLI5DB4J2JJOEZ7PKVRS6YZJMK/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":"2026-07-01T22:50:33Z","links":{"resolver":"https://pith.science/pith/KLI5DB4J2JJOEZ7PKVRS6YZJMK","bundle":"https://pith.science/pith/KLI5DB4J2JJOEZ7PKVRS6YZJMK/bundle.json","state":"https://pith.science/pith/KLI5DB4J2JJOEZ7PKVRS6YZJMK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KLI5DB4J2JJOEZ7PKVRS6YZJMK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KLI5DB4J2JJOEZ7PKVRS6YZJMK","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":"80bf9935405a1f8ab07264217084aba3ec6a517e2a08ef20cf5f29989354daac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-30T07:07:59Z","title_canon_sha256":"367c3641908e6723358f10c9c5af0dc42ced66455c16510a831fbb84f4a1fd8b"},"schema_version":"1.0","source":{"id":"1405.7788","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7788","created_at":"2026-05-18T01:43:04Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7788v1","created_at":"2026-05-18T01:43:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7788","created_at":"2026-05-18T01:43:04Z"},{"alias_kind":"pith_short_12","alias_value":"KLI5DB4J2JJO","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KLI5DB4J2JJOEZ7P","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KLI5DB4J","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:2dac8624ff1beb9f9d252ae213da9ceb32c6ee26dcb860a9e247623f18b91a50","target":"graph","created_at":"2026-05-18T01:43:04Z","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 present new Australia Telescope Compact Array (ATCA) radio-continuum and XMM-Newton/Chandra X-ray Observatory (CXO) observations of the unusual supernova remnant HFPK 334 in the Small Magellanic Cloud (SMC). The remnant follows a shell type morphology in the radio-continuum and has a size of $\\sim$20~pc at the SMC distance. The X-ray morphology is similar, however, we detect a prominent point source close to the center of the SNR exhibiting a spectrum with a best fit powerlaw with a photon index of $\\Gamma = 2.7 \\pm 0.5$. This central point source is most likely a background object and cann","authors_text":"D. Urosevi\\'c, E. J. Crawford, F. Haberl, K. Heitritter, M. D. Filipovi\\'c, Q. Roper, R. L. McEntaffer, T. Brantseg","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-30T07:07:59Z","title":"HFPK 334: An unusual Supernova Remnant in the Small Magellanic Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7788","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":"sha256:503fbe7de6f095f6671f2a8de285ce65384788e49ebc43e007f9b6ee9c373607","target":"record","created_at":"2026-05-18T01:43:04Z","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":"80bf9935405a1f8ab07264217084aba3ec6a517e2a08ef20cf5f29989354daac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-30T07:07:59Z","title_canon_sha256":"367c3641908e6723358f10c9c5af0dc42ced66455c16510a831fbb84f4a1fd8b"},"schema_version":"1.0","source":{"id":"1405.7788","kind":"arxiv","version":1}},"canonical_sha256":"52d1d18789d252e267ef55632f632962ac601d05e6312e8271e95c9698992764","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52d1d18789d252e267ef55632f632962ac601d05e6312e8271e95c9698992764","first_computed_at":"2026-05-18T01:43:04.706543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:04.706543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/fFNDk78Zc7DFwR7xSn5FwumomC2/zq6+fEsYGPlnM/Td8ZBf72EJ5xjnqCIp7hT+Z+PLg4geVv/5YOb/28FBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:04.707037Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.7788","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:503fbe7de6f095f6671f2a8de285ce65384788e49ebc43e007f9b6ee9c373607","sha256:2dac8624ff1beb9f9d252ae213da9ceb32c6ee26dcb860a9e247623f18b91a50"],"state_sha256":"78ce002ebb448d2b785d0aa29ce4fb509924a16b3f549d52a6327113dd1a2ce5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Mdz7+8AcAPHahwYRapbgpx1RO/jdhtoQBfnMBDjDXbpH3VqdCxbKJmGGDs1Z3ZL42ghvtg2PPwFjeb9bHHoCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T22:50:33.098482Z","bundle_sha256":"ab004188117dcc263b3c335cf093ddec5264100344e047e5a9617123cbbda8be"}}