{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:XTC6RJKTUGLE2ZGIF2ZX5WEUOT","short_pith_number":"pith:XTC6RJKT","canonical_record":{"source":{"id":"1304.2406","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-08T20:04:06Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"7df31c370b238bf89b3d96849c10d764e98556c0e7d23a7211da1e1e390a1bd4","abstract_canon_sha256":"70618ad8cb488cf16656542568936c26f7c96beba21ef36334381554672bc894"},"schema_version":"1.0"},"canonical_sha256":"bcc5e8a553a1964d64c82eb37ed89474f57e835112e2a87d24344cd38b9998d8","source":{"kind":"arxiv","id":"1304.2406","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2406","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2406v2","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2406","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"pith_short_12","alias_value":"XTC6RJKTUGLE","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XTC6RJKTUGLE2ZGI","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XTC6RJKT","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:XTC6RJKTUGLE2ZGIF2ZX5WEUOT","target":"record","payload":{"canonical_record":{"source":{"id":"1304.2406","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-08T20:04:06Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"7df31c370b238bf89b3d96849c10d764e98556c0e7d23a7211da1e1e390a1bd4","abstract_canon_sha256":"70618ad8cb488cf16656542568936c26f7c96beba21ef36334381554672bc894"},"schema_version":"1.0"},"canonical_sha256":"bcc5e8a553a1964d64c82eb37ed89474f57e835112e2a87d24344cd38b9998d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:41.381503Z","signature_b64":"MTXADdbmIWgTM6hHO3dC5WGRkvXsRqP3kUdwQzkiIkFXpURJzXqwVMZzrnfJqlzmPpr0ZwN/OeBnOwwzxgBsAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcc5e8a553a1964d64c82eb37ed89474f57e835112e2a87d24344cd38b9998d8","last_reissued_at":"2026-05-18T01:50:41.380697Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:41.380697Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.2406","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":"2026-05-18T01:50:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s20vIGYBDAFjx15q1LQwKcPlgcAOuoKFEuK4kEM1dpgJ1z9d1JGpBG7Tr/SRd7GFSwo9a6cUDPF/NQfd4Nb6DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:17:48.216441Z"},"content_sha256":"81ba48dd33b55f28eb10b714c90a0a16f108077557d20f3c1a8e4c7c834a5684","schema_version":"1.0","event_id":"sha256:81ba48dd33b55f28eb10b714c90a0a16f108077557d20f3c1a8e4c7c834a5684"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:XTC6RJKTUGLE2ZGIF2ZX5WEUOT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Warm DM halo mass function below the cut-off scale","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"2), (2) KIPAC, 3), (3) ETH, Oliver Hahn (2, Raul E. Angulo (1, Stanford University, Tom Abel (2) ((1) CEFCA, Zurich)","submitted_at":"2013-04-08T20:04:06Z","abstract_excerpt":"Warm Dark Matter (WDM) cosmologies are a viable alternative to the Cold Dark Matter (CDM) scenario. Unfortunately, an accurate scrutiny of the WDM predictions with N-body simulations has proven difficult due to numerical artefacts. Here, we report on cosmological simulations that, for the first time, are devoid of those problems, and thus, are able to accurately resolve the WDM halo mass function well below the cut-off. We discover a complex picture, with perturbations at different evolutionary stages populating different ranges in the halo mass function. On the smallest mass scales we can res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2406","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":"2026-05-18T01:50:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9PW51MEmQsGcgur1oGkKMRbW3sZ0iqZvELX8/3z6xXxreYAJpRsLO17BV88HLHsCpYEd33dCt34nrDkt8vYPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:17:48.217117Z"},"content_sha256":"91cc0954c480c64ef773d0e6d85c4a41f197c42b36d764816b10bf9f6a2cd04a","schema_version":"1.0","event_id":"sha256:91cc0954c480c64ef773d0e6d85c4a41f197c42b36d764816b10bf9f6a2cd04a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XTC6RJKTUGLE2ZGIF2ZX5WEUOT/bundle.json","state_url":"https://pith.science/pith/XTC6RJKTUGLE2ZGIF2ZX5WEUOT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XTC6RJKTUGLE2ZGIF2ZX5WEUOT/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":"2026-06-03T12:17:48Z","links":{"resolver":"https://pith.science/pith/XTC6RJKTUGLE2ZGIF2ZX5WEUOT","bundle":"https://pith.science/pith/XTC6RJKTUGLE2ZGIF2ZX5WEUOT/bundle.json","state":"https://pith.science/pith/XTC6RJKTUGLE2ZGIF2ZX5WEUOT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XTC6RJKTUGLE2ZGIF2ZX5WEUOT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:XTC6RJKTUGLE2ZGIF2ZX5WEUOT","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":"70618ad8cb488cf16656542568936c26f7c96beba21ef36334381554672bc894","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-08T20:04:06Z","title_canon_sha256":"7df31c370b238bf89b3d96849c10d764e98556c0e7d23a7211da1e1e390a1bd4"},"schema_version":"1.0","source":{"id":"1304.2406","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2406","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2406v2","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2406","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"pith_short_12","alias_value":"XTC6RJKTUGLE","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XTC6RJKTUGLE2ZGI","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XTC6RJKT","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:91cc0954c480c64ef773d0e6d85c4a41f197c42b36d764816b10bf9f6a2cd04a","target":"graph","created_at":"2026-05-18T01:50:41Z","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":"Warm Dark Matter (WDM) cosmologies are a viable alternative to the Cold Dark Matter (CDM) scenario. Unfortunately, an accurate scrutiny of the WDM predictions with N-body simulations has proven difficult due to numerical artefacts. Here, we report on cosmological simulations that, for the first time, are devoid of those problems, and thus, are able to accurately resolve the WDM halo mass function well below the cut-off. We discover a complex picture, with perturbations at different evolutionary stages populating different ranges in the halo mass function. On the smallest mass scales we can res","authors_text":"2), (2) KIPAC, 3), (3) ETH, Oliver Hahn (2, Raul E. Angulo (1, Stanford University, Tom Abel (2) ((1) CEFCA, Zurich)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-08T20:04:06Z","title":"The Warm DM halo mass function below the cut-off scale"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2406","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":"sha256:81ba48dd33b55f28eb10b714c90a0a16f108077557d20f3c1a8e4c7c834a5684","target":"record","created_at":"2026-05-18T01:50:41Z","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":"70618ad8cb488cf16656542568936c26f7c96beba21ef36334381554672bc894","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-08T20:04:06Z","title_canon_sha256":"7df31c370b238bf89b3d96849c10d764e98556c0e7d23a7211da1e1e390a1bd4"},"schema_version":"1.0","source":{"id":"1304.2406","kind":"arxiv","version":2}},"canonical_sha256":"bcc5e8a553a1964d64c82eb37ed89474f57e835112e2a87d24344cd38b9998d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bcc5e8a553a1964d64c82eb37ed89474f57e835112e2a87d24344cd38b9998d8","first_computed_at":"2026-05-18T01:50:41.380697Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:41.380697Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MTXADdbmIWgTM6hHO3dC5WGRkvXsRqP3kUdwQzkiIkFXpURJzXqwVMZzrnfJqlzmPpr0ZwN/OeBnOwwzxgBsAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:41.381503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.2406","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81ba48dd33b55f28eb10b714c90a0a16f108077557d20f3c1a8e4c7c834a5684","sha256:91cc0954c480c64ef773d0e6d85c4a41f197c42b36d764816b10bf9f6a2cd04a"],"state_sha256":"5529a0c842929843477ff232212c3eb8b7b86e2fd50771a730464a5d65c84475"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g0LlSF4kXGvj+aV6YsROWpapMMPVYiMiDrxBwlm96Wy/mbKpKjL4B3oetpuRTKcD9c33xVwKQWFIbtsUIdWZCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T12:17:48.219729Z","bundle_sha256":"e13b39fae29f225cafc5e591f886e67ed6cb7d5ae72be16051efc81ad291cd59"}}