{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HUAE67NXC4DXXVWRMNL7OYJSZZ","short_pith_number":"pith:HUAE67NX","canonical_record":{"source":{"id":"1503.05682","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-19T09:40:47Z","cross_cats_sorted":[],"title_canon_sha256":"2c130b4498ee5fcf411112810bbbe02c43c5b732d09077e8073be2b7d09df843","abstract_canon_sha256":"cb867a454ed7f594411ad86c4d4a300e00efd2cbcf84fae5606f48ef294f6d3d"},"schema_version":"1.0"},"canonical_sha256":"3d004f7db717077bd6d16357f76132ce6f0fb807a16745ca78b4ce4c9026c88a","source":{"kind":"arxiv","id":"1503.05682","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05682","created_at":"2026-05-18T01:28:06Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05682v3","created_at":"2026-05-18T01:28:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05682","created_at":"2026-05-18T01:28:06Z"},{"alias_kind":"pith_short_12","alias_value":"HUAE67NXC4DX","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HUAE67NXC4DXXVWR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HUAE67NX","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HUAE67NXC4DXXVWRMNL7OYJSZZ","target":"record","payload":{"canonical_record":{"source":{"id":"1503.05682","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-19T09:40:47Z","cross_cats_sorted":[],"title_canon_sha256":"2c130b4498ee5fcf411112810bbbe02c43c5b732d09077e8073be2b7d09df843","abstract_canon_sha256":"cb867a454ed7f594411ad86c4d4a300e00efd2cbcf84fae5606f48ef294f6d3d"},"schema_version":"1.0"},"canonical_sha256":"3d004f7db717077bd6d16357f76132ce6f0fb807a16745ca78b4ce4c9026c88a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:06.771676Z","signature_b64":"/BjaPuitutr9EvoPUBWCl5G4Ohykf8K8IlGQDkr++XWJydbilbVN6DribHJ6yH/S0YAhVvgkGiEgZt0S651WAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d004f7db717077bd6d16357f76132ce6f0fb807a16745ca78b4ce4c9026c88a","last_reissued_at":"2026-05-18T01:28:06.771155Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:06.771155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.05682","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:28:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ez9tI0FyUx73YyjVMppxYXw76UyD9oSDBaG8ZouASYJ2DiJ/23RDhdOhRTOGsgZCUuP/ZqCQnJNnPtCWlfCOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:50:12.706160Z"},"content_sha256":"137321bb279983ff93843ae53c2269e0eccb80ba595ac4d7e68d16c296c79e9a","schema_version":"1.0","event_id":"sha256:137321bb279983ff93843ae53c2269e0eccb80ba595ac4d7e68d16c296c79e9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HUAE67NXC4DXXVWRMNL7OYJSZZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological Structure Formation in Decaying Dark Matter Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Dalong Cheng, Jiayu Tang, M.-C. Chu","submitted_at":"2015-03-19T09:40:47Z","abstract_excerpt":"The standard cold dark matter (CDM) model predicts too many and too dense small structures. We consider an alternative model that the dark matter undergoes two-body decays with cosmological lifetime $\\tau$ into only one type of massive daughters with non-relativistic recoil velocity $V_k$. This decaying dark matter model (DDM) can suppress the structure formation below its free-streaming scale at time scale comparable to $\\tau$. Comparing with warm dark matter (WDM), DDM can better reduce the small structures while being consistent with high redshfit observations. We study the cosmological str"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05682","kind":"arxiv","version":3},"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":"2026-05-18T01:28:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JY/P6IeZJBkm8MzC6on1HINkTaaammgqSqZgqgY1orXoQ6zmHS1FIN3f3DeqAyCLRIShJjNNbeR82JpF++mHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:50:12.706772Z"},"content_sha256":"80214d8cf54c903317d384ed24c4eb208df4d457ff2aa70dc0eb9e4c8a86d91a","schema_version":"1.0","event_id":"sha256:80214d8cf54c903317d384ed24c4eb208df4d457ff2aa70dc0eb9e4c8a86d91a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HUAE67NXC4DXXVWRMNL7OYJSZZ/bundle.json","state_url":"https://pith.science/pith/HUAE67NXC4DXXVWRMNL7OYJSZZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HUAE67NXC4DXXVWRMNL7OYJSZZ/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":"2026-05-31T11:50:12Z","links":{"resolver":"https://pith.science/pith/HUAE67NXC4DXXVWRMNL7OYJSZZ","bundle":"https://pith.science/pith/HUAE67NXC4DXXVWRMNL7OYJSZZ/bundle.json","state":"https://pith.science/pith/HUAE67NXC4DXXVWRMNL7OYJSZZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HUAE67NXC4DXXVWRMNL7OYJSZZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HUAE67NXC4DXXVWRMNL7OYJSZZ","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":"cb867a454ed7f594411ad86c4d4a300e00efd2cbcf84fae5606f48ef294f6d3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-19T09:40:47Z","title_canon_sha256":"2c130b4498ee5fcf411112810bbbe02c43c5b732d09077e8073be2b7d09df843"},"schema_version":"1.0","source":{"id":"1503.05682","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05682","created_at":"2026-05-18T01:28:06Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05682v3","created_at":"2026-05-18T01:28:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05682","created_at":"2026-05-18T01:28:06Z"},{"alias_kind":"pith_short_12","alias_value":"HUAE67NXC4DX","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HUAE67NXC4DXXVWR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HUAE67NX","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:80214d8cf54c903317d384ed24c4eb208df4d457ff2aa70dc0eb9e4c8a86d91a","target":"graph","created_at":"2026-05-18T01:28:06Z","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":"The standard cold dark matter (CDM) model predicts too many and too dense small structures. We consider an alternative model that the dark matter undergoes two-body decays with cosmological lifetime $\\tau$ into only one type of massive daughters with non-relativistic recoil velocity $V_k$. This decaying dark matter model (DDM) can suppress the structure formation below its free-streaming scale at time scale comparable to $\\tau$. Comparing with warm dark matter (WDM), DDM can better reduce the small structures while being consistent with high redshfit observations. We study the cosmological str","authors_text":"Dalong Cheng, Jiayu Tang, M.-C. Chu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-19T09:40:47Z","title":"Cosmological Structure Formation in Decaying Dark Matter Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05682","kind":"arxiv","version":3},"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":"sha256:137321bb279983ff93843ae53c2269e0eccb80ba595ac4d7e68d16c296c79e9a","target":"record","created_at":"2026-05-18T01:28:06Z","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":"cb867a454ed7f594411ad86c4d4a300e00efd2cbcf84fae5606f48ef294f6d3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-19T09:40:47Z","title_canon_sha256":"2c130b4498ee5fcf411112810bbbe02c43c5b732d09077e8073be2b7d09df843"},"schema_version":"1.0","source":{"id":"1503.05682","kind":"arxiv","version":3}},"canonical_sha256":"3d004f7db717077bd6d16357f76132ce6f0fb807a16745ca78b4ce4c9026c88a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d004f7db717077bd6d16357f76132ce6f0fb807a16745ca78b4ce4c9026c88a","first_computed_at":"2026-05-18T01:28:06.771155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:28:06.771155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/BjaPuitutr9EvoPUBWCl5G4Ohykf8K8IlGQDkr++XWJydbilbVN6DribHJ6yH/S0YAhVvgkGiEgZt0S651WAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:28:06.771676Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.05682","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:137321bb279983ff93843ae53c2269e0eccb80ba595ac4d7e68d16c296c79e9a","sha256:80214d8cf54c903317d384ed24c4eb208df4d457ff2aa70dc0eb9e4c8a86d91a"],"state_sha256":"83a00d5185ac718269f7085517fa4bd05fbed4ef936b02dcdc38cca565faa9e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4uJvoqo08Dtq+F5cbMSFTo51EbRz1a6hFqZ7Wsb5VMNqqTXPX8zrZPtjid1et/wtZNdN8Y8GYWXDXlO/UZMrDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T11:50:12.709408Z","bundle_sha256":"9680c5f9781b347b5cb456a30f273e6965912cf755f143016c1a86a5bc07e912"}}