{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:J7MKCHZ4VAV74HC53MYOGUKGLO","short_pith_number":"pith:J7MKCHZ4","canonical_record":{"source":{"id":"1801.03697","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-11T10:20:32Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"bcfe9a9617ecc431576c4d5739301f47b150d6f547cfc8cacef921a52e54cc9b","abstract_canon_sha256":"7f56ba2d3baf5a634548c76e1326efc2ffd917cc9044276feacdfc46f2133961"},"schema_version":"1.0"},"canonical_sha256":"4fd8a11f3ca82bfe1c5ddb30e351465b8d70ab30f31921ecefc5f2c64db6b166","source":{"kind":"arxiv","id":"1801.03697","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03697","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03697v2","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03697","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"pith_short_12","alias_value":"J7MKCHZ4VAV7","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J7MKCHZ4VAV74HC5","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J7MKCHZ4","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:J7MKCHZ4VAV74HC53MYOGUKGLO","target":"record","payload":{"canonical_record":{"source":{"id":"1801.03697","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-11T10:20:32Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"bcfe9a9617ecc431576c4d5739301f47b150d6f547cfc8cacef921a52e54cc9b","abstract_canon_sha256":"7f56ba2d3baf5a634548c76e1326efc2ffd917cc9044276feacdfc46f2133961"},"schema_version":"1.0"},"canonical_sha256":"4fd8a11f3ca82bfe1c5ddb30e351465b8d70ab30f31921ecefc5f2c64db6b166","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:56.749550Z","signature_b64":"xhXW6CdRS2uce3XR/X7t+/EZ19KGtKD/mFFkrDChTg+c2SxwqPJrMGBSxjh5Z0eY8UJfZKwC9gtpWf/fF3rlBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fd8a11f3ca82bfe1c5ddb30e351465b8d70ab30f31921ecefc5f2c64db6b166","last_reissued_at":"2026-05-18T00:22:56.748937Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:56.748937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.03697","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":"2026-05-18T00:22:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nQbz/YIXf6pQ97cNQFgnHYQ88HMiwpMgn5CrlfrtBS5LKoyxyQ1VBu4L7Y9vlAGKMA3pbig54rSy/ZvLJiR1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T08:41:08.110728Z"},"content_sha256":"dbbc7d91540917d653c7137d0c9a4458b908a34e6140aa2fbd26983e31fe1bcd","schema_version":"1.0","event_id":"sha256:dbbc7d91540917d653c7137d0c9a4458b908a34e6140aa2fbd26983e31fe1bcd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:J7MKCHZ4VAV74HC53MYOGUKGLO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxy Formation in Sterile Neutrino Dark Matter Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"A. Grazian, A. Lamastra, F. Calura, M. Castellano, N. Menci, P. Santini","submitted_at":"2018-01-11T10:20:32Z","abstract_excerpt":"We investigate galaxy formation in models with dark matter (DM) constituted by sterile neutrinos. Given their large parameter space, defined by the combinations of sterile neutrino mass $m_{\\nu}$ and mixing parameter $\\sin^2(2\\theta)$ with active neutrinos, we focus on models with $m_{\\nu}=7$ keV, consistent with the tentative 3.5 keV line detected in several X-ray spectra of clusters and galaxies. We consider i) two resonant production models with $\\sin^2(2\\theta)=5\\,10^{-11}$ and $\\sin^2(2\\theta)=2\\,10^{-10}$, to cover the range of mixing parameter consistent with the 3.5 keV line; ii) two s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03697","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":""},"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":"2026-05-18T00:22:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DD17NnEZWfuwH+O6kwIMpLFBxWUEGn//7L1zGNDQlIatcIZYnuspPkxSnvxB77/E1ZvMXow392GhDcGdYi/JDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T08:41:08.111067Z"},"content_sha256":"3f453fca2b057c1fa7fb7b57dc4b63e52754fc32ecb70c2423c0c3f0f3e0dc9a","schema_version":"1.0","event_id":"sha256:3f453fca2b057c1fa7fb7b57dc4b63e52754fc32ecb70c2423c0c3f0f3e0dc9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J7MKCHZ4VAV74HC53MYOGUKGLO/bundle.json","state_url":"https://pith.science/pith/J7MKCHZ4VAV74HC53MYOGUKGLO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J7MKCHZ4VAV74HC53MYOGUKGLO/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":"2026-07-02T08:41:08Z","links":{"resolver":"https://pith.science/pith/J7MKCHZ4VAV74HC53MYOGUKGLO","bundle":"https://pith.science/pith/J7MKCHZ4VAV74HC53MYOGUKGLO/bundle.json","state":"https://pith.science/pith/J7MKCHZ4VAV74HC53MYOGUKGLO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J7MKCHZ4VAV74HC53MYOGUKGLO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:J7MKCHZ4VAV74HC53MYOGUKGLO","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":"7f56ba2d3baf5a634548c76e1326efc2ffd917cc9044276feacdfc46f2133961","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-11T10:20:32Z","title_canon_sha256":"bcfe9a9617ecc431576c4d5739301f47b150d6f547cfc8cacef921a52e54cc9b"},"schema_version":"1.0","source":{"id":"1801.03697","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03697","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03697v2","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03697","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"pith_short_12","alias_value":"J7MKCHZ4VAV7","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J7MKCHZ4VAV74HC5","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J7MKCHZ4","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:3f453fca2b057c1fa7fb7b57dc4b63e52754fc32ecb70c2423c0c3f0f3e0dc9a","target":"graph","created_at":"2026-05-18T00:22:56Z","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 investigate galaxy formation in models with dark matter (DM) constituted by sterile neutrinos. Given their large parameter space, defined by the combinations of sterile neutrino mass $m_{\\nu}$ and mixing parameter $\\sin^2(2\\theta)$ with active neutrinos, we focus on models with $m_{\\nu}=7$ keV, consistent with the tentative 3.5 keV line detected in several X-ray spectra of clusters and galaxies. We consider i) two resonant production models with $\\sin^2(2\\theta)=5\\,10^{-11}$ and $\\sin^2(2\\theta)=2\\,10^{-10}$, to cover the range of mixing parameter consistent with the 3.5 keV line; ii) two s","authors_text":"A. Grazian, A. Lamastra, F. Calura, M. Castellano, N. Menci, P. Santini","cross_cats":["astro-ph.GA","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-11T10:20:32Z","title":"Galaxy Formation in Sterile Neutrino Dark Matter Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03697","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:dbbc7d91540917d653c7137d0c9a4458b908a34e6140aa2fbd26983e31fe1bcd","target":"record","created_at":"2026-05-18T00:22:56Z","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":"7f56ba2d3baf5a634548c76e1326efc2ffd917cc9044276feacdfc46f2133961","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-11T10:20:32Z","title_canon_sha256":"bcfe9a9617ecc431576c4d5739301f47b150d6f547cfc8cacef921a52e54cc9b"},"schema_version":"1.0","source":{"id":"1801.03697","kind":"arxiv","version":2}},"canonical_sha256":"4fd8a11f3ca82bfe1c5ddb30e351465b8d70ab30f31921ecefc5f2c64db6b166","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fd8a11f3ca82bfe1c5ddb30e351465b8d70ab30f31921ecefc5f2c64db6b166","first_computed_at":"2026-05-18T00:22:56.748937Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:56.748937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xhXW6CdRS2uce3XR/X7t+/EZ19KGtKD/mFFkrDChTg+c2SxwqPJrMGBSxjh5Z0eY8UJfZKwC9gtpWf/fF3rlBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:56.749550Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03697","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbbc7d91540917d653c7137d0c9a4458b908a34e6140aa2fbd26983e31fe1bcd","sha256:3f453fca2b057c1fa7fb7b57dc4b63e52754fc32ecb70c2423c0c3f0f3e0dc9a"],"state_sha256":"becb5ad82dc01ffcbb4ff084422958d48dab785a6c33d21f64ade73351414688"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3JTrkDEIFZAsj8ATUCRiBlkybuum5B0uKfb1X4+iswXGHId4OZv+qWjmjWuVPvColuRN8NZjjWiqnPLxbV8RCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T08:41:08.112972Z","bundle_sha256":"3e291fe1857f2fb5d1faf06ba1ee576af082e63d0d8252c9e4ebb7839be26ba5"}}