{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:D4EOPMFOOQOF2NMHART4LG5LCH","short_pith_number":"pith:D4EOPMFO","canonical_record":{"source":{"id":"2105.12131","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-25T18:00:00Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"e8d46093864b0c5f915e3d817d4ccee7e75cabd1c0d4a385327638555065d275","abstract_canon_sha256":"8976c54a191f1844d6c2f2b6ec40adbb95a74e5ed8787b9116d5e4d062713d62"},"schema_version":"1.0"},"canonical_sha256":"1f08e7b0ae741c5d35870467c59bab11eae20e181d1e9c1340606c816571bfc6","source":{"kind":"arxiv","id":"2105.12131","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.12131","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"arxiv_version","alias_value":"2105.12131v2","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.12131","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_12","alias_value":"D4EOPMFOOQOF","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_16","alias_value":"D4EOPMFOOQOF2NMH","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_8","alias_value":"D4EOPMFO","created_at":"2026-07-05T03:34:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:D4EOPMFOOQOF2NMHART4LG5LCH","target":"record","payload":{"canonical_record":{"source":{"id":"2105.12131","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-25T18:00:00Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"e8d46093864b0c5f915e3d817d4ccee7e75cabd1c0d4a385327638555065d275","abstract_canon_sha256":"8976c54a191f1844d6c2f2b6ec40adbb95a74e5ed8787b9116d5e4d062713d62"},"schema_version":"1.0"},"canonical_sha256":"1f08e7b0ae741c5d35870467c59bab11eae20e181d1e9c1340606c816571bfc6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:25.839815Z","signature_b64":"Szg8zaga3a1TCoPnOtCzyuPSR7LrnTy3TpDK71eL/GFddNBK4PMb5abcWdvCXimp6rNMudwrje3V1Pr76CTvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f08e7b0ae741c5d35870467c59bab11eae20e181d1e9c1340606c816571bfc6","last_reissued_at":"2026-07-05T03:34:25.839390Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:25.839390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.12131","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":"2026-07-05T03:34:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BJq282aTVu0zV0MPGdUO+fMl6IfjvR4YrfOwVsOikMJeUN9oUM8uEgLhJG8E6PKHVg4MzQemVds39UTlqipECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T09:44:43.470761Z"},"content_sha256":"1910bb96d340b7da7a6111f201ecbb097bf19089174a686ee72c969198d9a679","schema_version":"1.0","event_id":"sha256:1910bb96d340b7da7a6111f201ecbb097bf19089174a686ee72c969198d9a679"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:D4EOPMFOOQOF2NMHART4LG5LCH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Machine-Learned Dark Matter Subhalo Candidates in the 4FGL-DR2: Search for the Perturber of the GD-1 Stream","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Ana Bonaca, Nestor Mirabal","submitted_at":"2021-05-25T18:00:00Z","abstract_excerpt":"The detection of dark matter subhalos without a stellar component in the Galactic halo remains a challenge. We use supervised machine learning to identify high-latitude gamma-ray sources with dark matter-like spectra among unassociated gamma-ray sources in the 4FGL-DR2. Out of 843 4FGL-DR2 unassociated sources at $|b| \\geq 10\\mathrm{^\\circ}$, we select 73 dark matter subhalo candidates. Of the 69 covered by the Neil Gehrels Swift Observatory (Swift), 17 show at least one X-ray source within the 95% LAT error ellipse and 52 where we identify no new sources. This latest inventory of dark subhalo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.12131","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/2105.12131/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":"2026-07-05T03:34:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rbpv77+QVHlI6LBKmMuol3kmRSpJDiTyK8/sQ151icQakhbsJv9u3x7R0u4jHg0dWqlLk07d9NWBIOjAjG/pBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T09:44:43.471138Z"},"content_sha256":"a35837b1456cdb51982822aae03d23710cec2e736920b844c86acefba89af120","schema_version":"1.0","event_id":"sha256:a35837b1456cdb51982822aae03d23710cec2e736920b844c86acefba89af120"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D4EOPMFOOQOF2NMHART4LG5LCH/bundle.json","state_url":"https://pith.science/pith/D4EOPMFOOQOF2NMHART4LG5LCH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D4EOPMFOOQOF2NMHART4LG5LCH/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":"2026-07-10T09:44:43Z","links":{"resolver":"https://pith.science/pith/D4EOPMFOOQOF2NMHART4LG5LCH","bundle":"https://pith.science/pith/D4EOPMFOOQOF2NMHART4LG5LCH/bundle.json","state":"https://pith.science/pith/D4EOPMFOOQOF2NMHART4LG5LCH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D4EOPMFOOQOF2NMHART4LG5LCH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:D4EOPMFOOQOF2NMHART4LG5LCH","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":"8976c54a191f1844d6c2f2b6ec40adbb95a74e5ed8787b9116d5e4d062713d62","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-25T18:00:00Z","title_canon_sha256":"e8d46093864b0c5f915e3d817d4ccee7e75cabd1c0d4a385327638555065d275"},"schema_version":"1.0","source":{"id":"2105.12131","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.12131","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"arxiv_version","alias_value":"2105.12131v2","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.12131","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_12","alias_value":"D4EOPMFOOQOF","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_16","alias_value":"D4EOPMFOOQOF2NMH","created_at":"2026-07-05T03:34:25Z"},{"alias_kind":"pith_short_8","alias_value":"D4EOPMFO","created_at":"2026-07-05T03:34:25Z"}],"graph_snapshots":[{"event_id":"sha256:a35837b1456cdb51982822aae03d23710cec2e736920b844c86acefba89af120","target":"graph","created_at":"2026-07-05T03:34:25Z","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/2105.12131/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The detection of dark matter subhalos without a stellar component in the Galactic halo remains a challenge. We use supervised machine learning to identify high-latitude gamma-ray sources with dark matter-like spectra among unassociated gamma-ray sources in the 4FGL-DR2. Out of 843 4FGL-DR2 unassociated sources at $|b| \\geq 10\\mathrm{^\\circ}$, we select 73 dark matter subhalo candidates. Of the 69 covered by the Neil Gehrels Swift Observatory (Swift), 17 show at least one X-ray source within the 95% LAT error ellipse and 52 where we identify no new sources. This latest inventory of dark subhalo","authors_text":"Ana Bonaca, Nestor Mirabal","cross_cats":["astro-ph.CO","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-25T18:00:00Z","title":"Machine-Learned Dark Matter Subhalo Candidates in the 4FGL-DR2: Search for the Perturber of the GD-1 Stream"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.12131","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":"sha256:1910bb96d340b7da7a6111f201ecbb097bf19089174a686ee72c969198d9a679","target":"record","created_at":"2026-07-05T03:34:25Z","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":"8976c54a191f1844d6c2f2b6ec40adbb95a74e5ed8787b9116d5e4d062713d62","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-25T18:00:00Z","title_canon_sha256":"e8d46093864b0c5f915e3d817d4ccee7e75cabd1c0d4a385327638555065d275"},"schema_version":"1.0","source":{"id":"2105.12131","kind":"arxiv","version":2}},"canonical_sha256":"1f08e7b0ae741c5d35870467c59bab11eae20e181d1e9c1340606c816571bfc6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f08e7b0ae741c5d35870467c59bab11eae20e181d1e9c1340606c816571bfc6","first_computed_at":"2026-07-05T03:34:25.839390Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:34:25.839390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Szg8zaga3a1TCoPnOtCzyuPSR7LrnTy3TpDK71eL/GFddNBK4PMb5abcWdvCXimp6rNMudwrje3V1Pr76CTvDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:34:25.839815Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.12131","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1910bb96d340b7da7a6111f201ecbb097bf19089174a686ee72c969198d9a679","sha256:a35837b1456cdb51982822aae03d23710cec2e736920b844c86acefba89af120"],"state_sha256":"be594aaedbc145a2dd8cba6bc0f4defffd42dfe0f7cb6bcb70b7f8665033177d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n2s9K38RpU3mbszZGv+WdOiKBez7+RteF8/Ae1EkryZrz9rlhkBGTMhP0c+jYXDDF2Yuv/jU5YwFQjbPJH02Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T09:44:43.473056Z","bundle_sha256":"3c172566461fcbd85b84d5fc46246bc1655738a4f209a3be8e3e36bf0cd3e14b"}}