{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:VIMZ2IRQO7LOA6CEUMDGRU73YQ","short_pith_number":"pith:VIMZ2IRQ","canonical_record":{"source":{"id":"2005.00365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-05-01T13:17:17Z","cross_cats_sorted":[],"title_canon_sha256":"e28c339910f905d3457387ae8c428fa877a650cacb51333accac4416787b61ec","abstract_canon_sha256":"cd996b7ddca859cd0979041bdcb1c001c3f1fad4776ada6ede20d65a5d7894a1"},"schema_version":"1.0"},"canonical_sha256":"aa199d223077d6e07844a30668d3fbc402c8a62d065ed8833addd2184f90b012","source":{"kind":"arxiv","id":"2005.00365","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.00365","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"arxiv_version","alias_value":"2005.00365v1","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.00365","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"pith_short_12","alias_value":"VIMZ2IRQO7LO","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"pith_short_16","alias_value":"VIMZ2IRQO7LOA6CE","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"pith_short_8","alias_value":"VIMZ2IRQ","created_at":"2026-07-05T01:14:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:VIMZ2IRQO7LOA6CEUMDGRU73YQ","target":"record","payload":{"canonical_record":{"source":{"id":"2005.00365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-05-01T13:17:17Z","cross_cats_sorted":[],"title_canon_sha256":"e28c339910f905d3457387ae8c428fa877a650cacb51333accac4416787b61ec","abstract_canon_sha256":"cd996b7ddca859cd0979041bdcb1c001c3f1fad4776ada6ede20d65a5d7894a1"},"schema_version":"1.0"},"canonical_sha256":"aa199d223077d6e07844a30668d3fbc402c8a62d065ed8833addd2184f90b012","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:14:49.424664Z","signature_b64":"95SeW4/Ud6Cc1HVCab+eCsnN58z5Dl5aCjSsB+4xDj23+eJ1EhoVVNLxNViSBglMdbHmBf3PD7UnOxHNpP0vDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa199d223077d6e07844a30668d3fbc402c8a62d065ed8833addd2184f90b012","last_reissued_at":"2026-07-05T01:14:49.424211Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:14:49.424211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.00365","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:14:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+73uy9gxnroeaKMqRm1m7nX/Z+telDmXKcNMzLytZxQYGxnBj778PaYg7IF8gD0YbI+B6UCRL0YBHbbAqk+FBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:24:09.926968Z"},"content_sha256":"0b650c477fcc0e2d513d6c72b2e01dba4f0097e1851fa1c153da08217607c88c","schema_version":"1.0","event_id":"sha256:0b650c477fcc0e2d513d6c72b2e01dba4f0097e1851fa1c153da08217607c88c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:VIMZ2IRQO7LOA6CEUMDGRU73YQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Freeze-in Dark Matter from a Minimal B-L Model and Possible Grand Unification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Nobuchika Okada, Rabindra N. Mohapatra","submitted_at":"2020-05-01T13:17:17Z","abstract_excerpt":"We show that a minimal local $B-L$ symmetry extension of the standard model can provide a unified description of both neutrino mass and dark matter. In our model, $B-L$ breaking is responsible for neutrino masses via the seesaw mechanism, whereas the real part of the $B-L$ breaking Higgs field (called $\\sigma$ here) plays the role of a freeze-in dark matter candidate for a wide parameter range. Since the $\\sigma$-particle is unstable, for it to qualify as dark matter, its lifetime must be longer than $10^{25}$ seconds implying that the $B-L$ gauge coupling must be very small. This in turn impl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.00365","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2005.00365/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:14:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TeooSgTM7QyQG8LlwdRQaFu2Vi5p1PpT88/WcbzV0OCDjfwkNEqRHN/6ExdgH9Zrh5C8pp0O3DKvDLDVnEFuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:24:09.927362Z"},"content_sha256":"8c68e6171f6bcc025257427d5809fca8377cde779705e60805074f79aa50002e","schema_version":"1.0","event_id":"sha256:8c68e6171f6bcc025257427d5809fca8377cde779705e60805074f79aa50002e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VIMZ2IRQO7LOA6CEUMDGRU73YQ/bundle.json","state_url":"https://pith.science/pith/VIMZ2IRQO7LOA6CEUMDGRU73YQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VIMZ2IRQO7LOA6CEUMDGRU73YQ/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":"2026-08-04T02:24:09Z","links":{"resolver":"https://pith.science/pith/VIMZ2IRQO7LOA6CEUMDGRU73YQ","bundle":"https://pith.science/pith/VIMZ2IRQO7LOA6CEUMDGRU73YQ/bundle.json","state":"https://pith.science/pith/VIMZ2IRQO7LOA6CEUMDGRU73YQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VIMZ2IRQO7LOA6CEUMDGRU73YQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:VIMZ2IRQO7LOA6CEUMDGRU73YQ","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":"cd996b7ddca859cd0979041bdcb1c001c3f1fad4776ada6ede20d65a5d7894a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-05-01T13:17:17Z","title_canon_sha256":"e28c339910f905d3457387ae8c428fa877a650cacb51333accac4416787b61ec"},"schema_version":"1.0","source":{"id":"2005.00365","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.00365","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"arxiv_version","alias_value":"2005.00365v1","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.00365","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"pith_short_12","alias_value":"VIMZ2IRQO7LO","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"pith_short_16","alias_value":"VIMZ2IRQO7LOA6CE","created_at":"2026-07-05T01:14:49Z"},{"alias_kind":"pith_short_8","alias_value":"VIMZ2IRQ","created_at":"2026-07-05T01:14:49Z"}],"graph_snapshots":[{"event_id":"sha256:8c68e6171f6bcc025257427d5809fca8377cde779705e60805074f79aa50002e","target":"graph","created_at":"2026-07-05T01:14:49Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2005.00365/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that a minimal local $B-L$ symmetry extension of the standard model can provide a unified description of both neutrino mass and dark matter. In our model, $B-L$ breaking is responsible for neutrino masses via the seesaw mechanism, whereas the real part of the $B-L$ breaking Higgs field (called $\\sigma$ here) plays the role of a freeze-in dark matter candidate for a wide parameter range. Since the $\\sigma$-particle is unstable, for it to qualify as dark matter, its lifetime must be longer than $10^{25}$ seconds implying that the $B-L$ gauge coupling must be very small. This in turn impl","authors_text":"Nobuchika Okada, Rabindra N. Mohapatra","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-05-01T13:17:17Z","title":"Freeze-in Dark Matter from a Minimal B-L Model and Possible Grand Unification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.00365","kind":"arxiv","version":1},"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":"sha256:0b650c477fcc0e2d513d6c72b2e01dba4f0097e1851fa1c153da08217607c88c","target":"record","created_at":"2026-07-05T01:14:49Z","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":"cd996b7ddca859cd0979041bdcb1c001c3f1fad4776ada6ede20d65a5d7894a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-05-01T13:17:17Z","title_canon_sha256":"e28c339910f905d3457387ae8c428fa877a650cacb51333accac4416787b61ec"},"schema_version":"1.0","source":{"id":"2005.00365","kind":"arxiv","version":1}},"canonical_sha256":"aa199d223077d6e07844a30668d3fbc402c8a62d065ed8833addd2184f90b012","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa199d223077d6e07844a30668d3fbc402c8a62d065ed8833addd2184f90b012","first_computed_at":"2026-07-05T01:14:49.424211Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:14:49.424211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"95SeW4/Ud6Cc1HVCab+eCsnN58z5Dl5aCjSsB+4xDj23+eJ1EhoVVNLxNViSBglMdbHmBf3PD7UnOxHNpP0vDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:14:49.424664Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.00365","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b650c477fcc0e2d513d6c72b2e01dba4f0097e1851fa1c153da08217607c88c","sha256:8c68e6171f6bcc025257427d5809fca8377cde779705e60805074f79aa50002e"],"state_sha256":"ae469ef99684df85f428af82e1d60a998ed92edf2cb34729d8841b53d1929982"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IPCNHixUBUfC6R1JTc3ikm14iLOzwhD9HXMHeV2KSNTYVffcSzDTa1EZU/imUdADjV7QNhbjTToDuYzF5mZvBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T02:24:09.930067Z","bundle_sha256":"e1b02ad7b3fdb29608564f22724a4e6a266afd34cc3639d43d96ae2ea21e5e8b"}}