{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:T4TOWCL4SZOOZWJU6KHY3VMTZP","short_pith_number":"pith:T4TOWCL4","canonical_record":{"source":{"id":"1410.0683","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-02T20:00:06Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"dacd285434a18d5ff106bb7cd01380b85f42fccb238847320d9bb16df432b472","abstract_canon_sha256":"327972da30d52afd87326d5643b4b5c26ae2893d19b9f22345de9e231e9c5de2"},"schema_version":"1.0"},"canonical_sha256":"9f26eb097c965cecd934f28f8dd593cbdbed4908bb1831b9ab48f46504711220","source":{"kind":"arxiv","id":"1410.0683","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0683","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0683v2","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0683","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"pith_short_12","alias_value":"T4TOWCL4SZOO","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T4TOWCL4SZOOZWJU","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T4TOWCL4","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:T4TOWCL4SZOOZWJU6KHY3VMTZP","target":"record","payload":{"canonical_record":{"source":{"id":"1410.0683","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-02T20:00:06Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"dacd285434a18d5ff106bb7cd01380b85f42fccb238847320d9bb16df432b472","abstract_canon_sha256":"327972da30d52afd87326d5643b4b5c26ae2893d19b9f22345de9e231e9c5de2"},"schema_version":"1.0"},"canonical_sha256":"9f26eb097c965cecd934f28f8dd593cbdbed4908bb1831b9ab48f46504711220","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:21.683445Z","signature_b64":"HnZzjZQB3WcIaU2LGz887E1GWfLZiDh4znrxaHTOj+jKQGFTqw6VOVzsX5wdzB8lqr7b4y2SehXKfPCR0lKlDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f26eb097c965cecd934f28f8dd593cbdbed4908bb1831b9ab48f46504711220","last_reissued_at":"2026-05-18T02:32:21.683080Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:21.683080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.0683","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":"2026-05-18T02:32:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1hg+nF3NWwdO2zla8UXZXwgLGrHDVrdAhOT3Qik8MB8zjoljmj6LkgoCqwS1KT8+AW1oV+Xcdx4JA5fOu3O5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:48:44.407073Z"},"content_sha256":"0e99b48df94c95fab1ae59637956a75bb46e9a9516123df61610b6c3c67ced6b","schema_version":"1.0","event_id":"sha256:0e99b48df94c95fab1ae59637956a75bb46e9a9516123df61610b6c3c67ced6b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:T4TOWCL4SZOOZWJU6KHY3VMTZP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark matter with two- and many-body decays and supernovae type Ia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Gordon Blackadder, Savvas M. Koushiappas (Brown University)","submitted_at":"2014-10-02T20:00:06Z","abstract_excerpt":"We present a decaying dark matter scenario where the daughter products are a single massless relativistic particle and a single, massive but possibly relativistic particle. We calculate the velocity distribution of the massive daughter particle and its associated equation of state and derive its dynamical evolution in an expanding universe. In addition, we present a model of decaying dark matter where there are many massless relativistic daughter particles together with a massive particle at rest. We place constraints on these two models using supernovae type Ia observations. We find that for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0683","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":"2026-05-18T02:32:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w3ycG+x05so+Z2ZBq5U2PHR+4nfNPqqBCQvgjH0N8sMtWe0UeLbvrW5/Hz+0SFpSHcwyZbMAlheVlItoujXDAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:48:44.407532Z"},"content_sha256":"9f5bb5d50d39217870d949a552f912f4bff2b3e5eb6b35b696d8d903ae441d05","schema_version":"1.0","event_id":"sha256:9f5bb5d50d39217870d949a552f912f4bff2b3e5eb6b35b696d8d903ae441d05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4TOWCL4SZOOZWJU6KHY3VMTZP/bundle.json","state_url":"https://pith.science/pith/T4TOWCL4SZOOZWJU6KHY3VMTZP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4TOWCL4SZOOZWJU6KHY3VMTZP/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":"2026-08-08T04:48:44Z","links":{"resolver":"https://pith.science/pith/T4TOWCL4SZOOZWJU6KHY3VMTZP","bundle":"https://pith.science/pith/T4TOWCL4SZOOZWJU6KHY3VMTZP/bundle.json","state":"https://pith.science/pith/T4TOWCL4SZOOZWJU6KHY3VMTZP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4TOWCL4SZOOZWJU6KHY3VMTZP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:T4TOWCL4SZOOZWJU6KHY3VMTZP","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":"327972da30d52afd87326d5643b4b5c26ae2893d19b9f22345de9e231e9c5de2","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-02T20:00:06Z","title_canon_sha256":"dacd285434a18d5ff106bb7cd01380b85f42fccb238847320d9bb16df432b472"},"schema_version":"1.0","source":{"id":"1410.0683","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0683","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0683v2","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0683","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"pith_short_12","alias_value":"T4TOWCL4SZOO","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T4TOWCL4SZOOZWJU","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T4TOWCL4","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:9f5bb5d50d39217870d949a552f912f4bff2b3e5eb6b35b696d8d903ae441d05","target":"graph","created_at":"2026-05-18T02:32:21Z","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 present a decaying dark matter scenario where the daughter products are a single massless relativistic particle and a single, massive but possibly relativistic particle. We calculate the velocity distribution of the massive daughter particle and its associated equation of state and derive its dynamical evolution in an expanding universe. In addition, we present a model of decaying dark matter where there are many massless relativistic daughter particles together with a massive particle at rest. We place constraints on these two models using supernovae type Ia observations. We find that for ","authors_text":"Gordon Blackadder, Savvas M. Koushiappas (Brown University)","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-02T20:00:06Z","title":"Dark matter with two- and many-body decays and supernovae type Ia"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0683","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":"sha256:0e99b48df94c95fab1ae59637956a75bb46e9a9516123df61610b6c3c67ced6b","target":"record","created_at":"2026-05-18T02:32:21Z","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":"327972da30d52afd87326d5643b4b5c26ae2893d19b9f22345de9e231e9c5de2","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-10-02T20:00:06Z","title_canon_sha256":"dacd285434a18d5ff106bb7cd01380b85f42fccb238847320d9bb16df432b472"},"schema_version":"1.0","source":{"id":"1410.0683","kind":"arxiv","version":2}},"canonical_sha256":"9f26eb097c965cecd934f28f8dd593cbdbed4908bb1831b9ab48f46504711220","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f26eb097c965cecd934f28f8dd593cbdbed4908bb1831b9ab48f46504711220","first_computed_at":"2026-05-18T02:32:21.683080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:21.683080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HnZzjZQB3WcIaU2LGz887E1GWfLZiDh4znrxaHTOj+jKQGFTqw6VOVzsX5wdzB8lqr7b4y2SehXKfPCR0lKlDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:21.683445Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.0683","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e99b48df94c95fab1ae59637956a75bb46e9a9516123df61610b6c3c67ced6b","sha256:9f5bb5d50d39217870d949a552f912f4bff2b3e5eb6b35b696d8d903ae441d05"],"state_sha256":"ded5fdc1dd3bfd1205985ebd0212fc9f80eae3706633d3b8e45ecec634a5de78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"omRMPCiuAIPvlItxBeUZn3HJp6otlZH8px7lJDV3E9a9XQzPTYsKClGcEuTDp1lYPzap3WJnT3jvGJd9UNNOBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T04:48:44.411482Z","bundle_sha256":"a8722ed902ba781a916e5db3a89407da3badd9618d225120b62230dfd2c9cf8b"}}