{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:BIYP6YV2BP4CJDD6MM3NSTUYKF","short_pith_number":"pith:BIYP6YV2","canonical_record":{"source":{"id":"1303.6270","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-25T19:53:41Z","cross_cats_sorted":[],"title_canon_sha256":"e60eb392bce69c3f5a13f703b33c77d98702fc4c5ebaf948c8ba712e9b6606d0","abstract_canon_sha256":"91466e9367166c6eed2817eb353a70631025d7dce51e33c9fd05c102cebf14b3"},"schema_version":"1.0"},"canonical_sha256":"0a30ff62ba0bf8248c7e6336d94e98516f60520ab77d96893a64cb94218782b0","source":{"kind":"arxiv","id":"1303.6270","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.6270","created_at":"2026-05-18T03:15:20Z"},{"alias_kind":"arxiv_version","alias_value":"1303.6270v3","created_at":"2026-05-18T03:15:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.6270","created_at":"2026-05-18T03:15:20Z"},{"alias_kind":"pith_short_12","alias_value":"BIYP6YV2BP4C","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"BIYP6YV2BP4CJDD6","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"BIYP6YV2","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:BIYP6YV2BP4CJDD6MM3NSTUYKF","target":"record","payload":{"canonical_record":{"source":{"id":"1303.6270","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-25T19:53:41Z","cross_cats_sorted":[],"title_canon_sha256":"e60eb392bce69c3f5a13f703b33c77d98702fc4c5ebaf948c8ba712e9b6606d0","abstract_canon_sha256":"91466e9367166c6eed2817eb353a70631025d7dce51e33c9fd05c102cebf14b3"},"schema_version":"1.0"},"canonical_sha256":"0a30ff62ba0bf8248c7e6336d94e98516f60520ab77d96893a64cb94218782b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:20.644378Z","signature_b64":"XMvMc24afoqyJbf7jIY2PCySyVYd1z1wvyXZ+LORK8Hf84m0FctKFZFmekaAiG3XZ4YNQaxY+cjGo9mPwacqCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a30ff62ba0bf8248c7e6336d94e98516f60520ab77d96893a64cb94218782b0","last_reissued_at":"2026-05-18T03:15:20.643670Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:20.643670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.6270","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":"2026-05-18T03:15:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/8mVaLP/XEKJdcStCGDsTkEMYro+/tY2UndSvoDnllRGPa5THPmXiuSxQYBcxy10r9AAm5ntV49V3Lvr1csBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:43:15.139496Z"},"content_sha256":"ff54c1fbba540888100b1a1a0e01a101f7f198a7e41ba3a90c692d57ca4f631d","schema_version":"1.0","event_id":"sha256:ff54c1fbba540888100b1a1a0e01a101f7f198a7e41ba3a90c692d57ca4f631d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:BIYP6YV2BP4CJDD6MM3NSTUYKF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Lower Bound on the Mass of Cold Thermal Dark Matter from Planck","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Celine Boehm, Christopher McCabe, Matthew J. Dolan","submitted_at":"2013-03-25T19:53:41Z","abstract_excerpt":"We show that the new measurement of the effective number of neutrinos Neff by the Planck satellite can be used to set a robust lower bound on the mass of cold thermal dark matter of O(MeV). Our limit applies if the dark matter remains in thermal equilibrium by coupling to electrons and photons or through interactions with neutrinos, and applies regardless of whether the dark matter annihilation cross-section is s-wave or p-wave. To illustrate our bounds we apply them to a model of a supersymmetric neutralino annihilating to neutrinos, via a light mixed left-right handed sneutrino mediator. Whi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.6270","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":"2026-05-18T03:15:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PUNZ4eOvEItuMjlJ5x6GPv0mTp3EA4AJsCQ9XI9ihtqaHvdmmGotIEprrxhzEis0JTNoYiCEvbhJLH0W7xwyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:43:15.140177Z"},"content_sha256":"5ce4cf2d7e163c1ed36d06d734ad5c0464d6462c1d4badf50d4d4984720dbb58","schema_version":"1.0","event_id":"sha256:5ce4cf2d7e163c1ed36d06d734ad5c0464d6462c1d4badf50d4d4984720dbb58"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BIYP6YV2BP4CJDD6MM3NSTUYKF/bundle.json","state_url":"https://pith.science/pith/BIYP6YV2BP4CJDD6MM3NSTUYKF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BIYP6YV2BP4CJDD6MM3NSTUYKF/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":"2026-05-27T23:43:15Z","links":{"resolver":"https://pith.science/pith/BIYP6YV2BP4CJDD6MM3NSTUYKF","bundle":"https://pith.science/pith/BIYP6YV2BP4CJDD6MM3NSTUYKF/bundle.json","state":"https://pith.science/pith/BIYP6YV2BP4CJDD6MM3NSTUYKF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BIYP6YV2BP4CJDD6MM3NSTUYKF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BIYP6YV2BP4CJDD6MM3NSTUYKF","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":"91466e9367166c6eed2817eb353a70631025d7dce51e33c9fd05c102cebf14b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-25T19:53:41Z","title_canon_sha256":"e60eb392bce69c3f5a13f703b33c77d98702fc4c5ebaf948c8ba712e9b6606d0"},"schema_version":"1.0","source":{"id":"1303.6270","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.6270","created_at":"2026-05-18T03:15:20Z"},{"alias_kind":"arxiv_version","alias_value":"1303.6270v3","created_at":"2026-05-18T03:15:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.6270","created_at":"2026-05-18T03:15:20Z"},{"alias_kind":"pith_short_12","alias_value":"BIYP6YV2BP4C","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"BIYP6YV2BP4CJDD6","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"BIYP6YV2","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:5ce4cf2d7e163c1ed36d06d734ad5c0464d6462c1d4badf50d4d4984720dbb58","target":"graph","created_at":"2026-05-18T03:15:20Z","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 show that the new measurement of the effective number of neutrinos Neff by the Planck satellite can be used to set a robust lower bound on the mass of cold thermal dark matter of O(MeV). Our limit applies if the dark matter remains in thermal equilibrium by coupling to electrons and photons or through interactions with neutrinos, and applies regardless of whether the dark matter annihilation cross-section is s-wave or p-wave. To illustrate our bounds we apply them to a model of a supersymmetric neutralino annihilating to neutrinos, via a light mixed left-right handed sneutrino mediator. Whi","authors_text":"Celine Boehm, Christopher McCabe, Matthew J. Dolan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-25T19:53:41Z","title":"A Lower Bound on the Mass of Cold Thermal Dark Matter from Planck"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.6270","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:ff54c1fbba540888100b1a1a0e01a101f7f198a7e41ba3a90c692d57ca4f631d","target":"record","created_at":"2026-05-18T03:15:20Z","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":"91466e9367166c6eed2817eb353a70631025d7dce51e33c9fd05c102cebf14b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-25T19:53:41Z","title_canon_sha256":"e60eb392bce69c3f5a13f703b33c77d98702fc4c5ebaf948c8ba712e9b6606d0"},"schema_version":"1.0","source":{"id":"1303.6270","kind":"arxiv","version":3}},"canonical_sha256":"0a30ff62ba0bf8248c7e6336d94e98516f60520ab77d96893a64cb94218782b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a30ff62ba0bf8248c7e6336d94e98516f60520ab77d96893a64cb94218782b0","first_computed_at":"2026-05-18T03:15:20.643670Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:20.643670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XMvMc24afoqyJbf7jIY2PCySyVYd1z1wvyXZ+LORK8Hf84m0FctKFZFmekaAiG3XZ4YNQaxY+cjGo9mPwacqCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:20.644378Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.6270","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff54c1fbba540888100b1a1a0e01a101f7f198a7e41ba3a90c692d57ca4f631d","sha256:5ce4cf2d7e163c1ed36d06d734ad5c0464d6462c1d4badf50d4d4984720dbb58"],"state_sha256":"89804498e3a4b6bc1a4b369556ef8141550f75d73f034d96e3317c75b99038f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wpT017ay9TTvDNwu+5Lo0rg7nx6WvxKpt/PDSSLTm+w2IilTeerpWOEw2RmmEBJOQJIntd82pOB8pBT+OHDVBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:43:15.143390Z","bundle_sha256":"0869b005c3122240530ea8be39443f5c7a99d7d94915c76a55675b3449925856"}}