{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JLXR2PKA4NY6MQXYZNQVPT2YTE","short_pith_number":"pith:JLXR2PKA","canonical_record":{"source":{"id":"1502.03738","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-02T16:06:47Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"0141352812403308f35df846f32da2280bafdb9f746a80b6a69579ae38d52610","abstract_canon_sha256":"38b24ed9a15bfe3623e0f460e737b47956a66c3451f4f1a9a6e300aa8a3f9377"},"schema_version":"1.0"},"canonical_sha256":"4aef1d3d40e371e642f8cb6157cf589900f221d3e7569c2fce1eccbd8fe444de","source":{"kind":"arxiv","id":"1502.03738","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03738","created_at":"2026-05-18T02:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03738v1","created_at":"2026-05-18T02:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03738","created_at":"2026-05-18T02:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"JLXR2PKA4NY6","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JLXR2PKA4NY6MQXY","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JLXR2PKA","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JLXR2PKA4NY6MQXYZNQVPT2YTE","target":"record","payload":{"canonical_record":{"source":{"id":"1502.03738","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-02T16:06:47Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"0141352812403308f35df846f32da2280bafdb9f746a80b6a69579ae38d52610","abstract_canon_sha256":"38b24ed9a15bfe3623e0f460e737b47956a66c3451f4f1a9a6e300aa8a3f9377"},"schema_version":"1.0"},"canonical_sha256":"4aef1d3d40e371e642f8cb6157cf589900f221d3e7569c2fce1eccbd8fe444de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:16.858269Z","signature_b64":"yC83XpTHnBXSeNxGYt3OdqxXouZr4c7C4HD9ugUf7kPe8f1LZXTiz+Ttr4CyWz9f9NDHL5eRORdRM+rSpTx8Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4aef1d3d40e371e642f8cb6157cf589900f221d3e7569c2fce1eccbd8fe444de","last_reissued_at":"2026-05-18T02:27:16.857590Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:16.857590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.03738","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":"2026-05-18T02:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VaF3U3XzVzWkXOIjGZ/kakHE0fpnchLaZSoZ+KyWq1LIY2x5YEueHXQelN7wi1Nv8PF0mB5eDaUUJUt/m9xpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:19:56.924922Z"},"content_sha256":"851ec036856f39913aaac1b1ef52c5c47779630332c036665b572791920efdb9","schema_version":"1.0","event_id":"sha256:851ec036856f39913aaac1b1ef52c5c47779630332c036665b572791920efdb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JLXR2PKA4NY6MQXYZNQVPT2YTE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the nature of Dark Matter with the SKA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"Andrei Lobanov, Dieter Horns, Geoff Beck, Hannes Zechlin, Marco Regis, Paolo Marchegiani, Rainer Beck, Sergio Colafrancesco","submitted_at":"2015-01-02T16:06:47Z","abstract_excerpt":"Dark Matter (DM) is a fundamental ingredient of our Universe and of structure formation, and yet its nature is elusive to astrophysical probes. Information on the nature and physical properties of the WIMP (neutralino) DM (the leading candidate for a cosmologically relevant DM) can be obtained by studying the astrophysical signals of their annihilation/decay. Among the various e.m. signals, secondary electrons produced by neutralino annihilation generate synchrotron emission in the magnetized atmosphere of galaxy clusters and galaxies which could be observed as a diffuse radio emission (halo o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03738","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":"2026-05-18T02:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K9sjshS635ntrg29Y3HDN0t5qk5ln49AUkcJBUG+5e/ExLTAlKBxCg54P7CQ0Ej5phsnuE4TQzCrWYrUB+wTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:19:56.925310Z"},"content_sha256":"2a27b33520f44f988a041519042c622b3cf7c64b6295b9d73b94a18e1434026f","schema_version":"1.0","event_id":"sha256:2a27b33520f44f988a041519042c622b3cf7c64b6295b9d73b94a18e1434026f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JLXR2PKA4NY6MQXYZNQVPT2YTE/bundle.json","state_url":"https://pith.science/pith/JLXR2PKA4NY6MQXYZNQVPT2YTE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JLXR2PKA4NY6MQXYZNQVPT2YTE/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":"2026-05-26T18:19:56Z","links":{"resolver":"https://pith.science/pith/JLXR2PKA4NY6MQXYZNQVPT2YTE","bundle":"https://pith.science/pith/JLXR2PKA4NY6MQXYZNQVPT2YTE/bundle.json","state":"https://pith.science/pith/JLXR2PKA4NY6MQXYZNQVPT2YTE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JLXR2PKA4NY6MQXYZNQVPT2YTE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JLXR2PKA4NY6MQXYZNQVPT2YTE","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":"38b24ed9a15bfe3623e0f460e737b47956a66c3451f4f1a9a6e300aa8a3f9377","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-02T16:06:47Z","title_canon_sha256":"0141352812403308f35df846f32da2280bafdb9f746a80b6a69579ae38d52610"},"schema_version":"1.0","source":{"id":"1502.03738","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03738","created_at":"2026-05-18T02:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03738v1","created_at":"2026-05-18T02:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03738","created_at":"2026-05-18T02:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"JLXR2PKA4NY6","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JLXR2PKA4NY6MQXY","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JLXR2PKA","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:2a27b33520f44f988a041519042c622b3cf7c64b6295b9d73b94a18e1434026f","target":"graph","created_at":"2026-05-18T02:27:16Z","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":"Dark Matter (DM) is a fundamental ingredient of our Universe and of structure formation, and yet its nature is elusive to astrophysical probes. Information on the nature and physical properties of the WIMP (neutralino) DM (the leading candidate for a cosmologically relevant DM) can be obtained by studying the astrophysical signals of their annihilation/decay. Among the various e.m. signals, secondary electrons produced by neutralino annihilation generate synchrotron emission in the magnetized atmosphere of galaxy clusters and galaxies which could be observed as a diffuse radio emission (halo o","authors_text":"Andrei Lobanov, Dieter Horns, Geoff Beck, Hannes Zechlin, Marco Regis, Paolo Marchegiani, Rainer Beck, Sergio Colafrancesco","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-02T16:06:47Z","title":"Probing the nature of Dark Matter with the SKA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03738","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":"sha256:851ec036856f39913aaac1b1ef52c5c47779630332c036665b572791920efdb9","target":"record","created_at":"2026-05-18T02:27:16Z","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":"38b24ed9a15bfe3623e0f460e737b47956a66c3451f4f1a9a6e300aa8a3f9377","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-02T16:06:47Z","title_canon_sha256":"0141352812403308f35df846f32da2280bafdb9f746a80b6a69579ae38d52610"},"schema_version":"1.0","source":{"id":"1502.03738","kind":"arxiv","version":1}},"canonical_sha256":"4aef1d3d40e371e642f8cb6157cf589900f221d3e7569c2fce1eccbd8fe444de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4aef1d3d40e371e642f8cb6157cf589900f221d3e7569c2fce1eccbd8fe444de","first_computed_at":"2026-05-18T02:27:16.857590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:16.857590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yC83XpTHnBXSeNxGYt3OdqxXouZr4c7C4HD9ugUf7kPe8f1LZXTiz+Ttr4CyWz9f9NDHL5eRORdRM+rSpTx8Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:16.858269Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.03738","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:851ec036856f39913aaac1b1ef52c5c47779630332c036665b572791920efdb9","sha256:2a27b33520f44f988a041519042c622b3cf7c64b6295b9d73b94a18e1434026f"],"state_sha256":"993bee6af42b4a4da870137e317b6663019f2fb70d55fd470df2ef47e9399566"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sSw1z7cvmssT1FojbPXdUhjewqS29tmftqDDs8e3ALNVnj12uEbk7UfPn+b/UNLkVto3/eo+aNc+/56AacPbBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:19:56.928970Z","bundle_sha256":"b32995a4f1b26abe3062651fdac5ad36105fcee57989b78a74e1026b74211570"}}