{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:MCMSMEAOABDI2FAHOWOAP7ZCOY","short_pith_number":"pith:MCMSMEAO","canonical_record":{"source":{"id":"2103.06896","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-03-11T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"dd20a3c01ebbbf02973b1c41f09707189def9a7740c97611d4303adda2876844","abstract_canon_sha256":"29c9c958d7992a61dd97ab58d44ece1b04970f05989258020649417a8098393e"},"schema_version":"1.0"},"canonical_sha256":"609926100e00468d1407759c07ff22763e3c65243b973d43c8a3937de1f2879b","source":{"kind":"arxiv","id":"2103.06896","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.06896","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"arxiv_version","alias_value":"2103.06896v2","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.06896","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"pith_short_12","alias_value":"MCMSMEAOABDI","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"pith_short_16","alias_value":"MCMSMEAOABDI2FAH","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"pith_short_8","alias_value":"MCMSMEAO","created_at":"2026-07-05T02:51:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:MCMSMEAOABDI2FAHOWOAP7ZCOY","target":"record","payload":{"canonical_record":{"source":{"id":"2103.06896","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-03-11T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"dd20a3c01ebbbf02973b1c41f09707189def9a7740c97611d4303adda2876844","abstract_canon_sha256":"29c9c958d7992a61dd97ab58d44ece1b04970f05989258020649417a8098393e"},"schema_version":"1.0"},"canonical_sha256":"609926100e00468d1407759c07ff22763e3c65243b973d43c8a3937de1f2879b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:51:19.870347Z","signature_b64":"+T1wvS+J6mbH6tpJxk4hd4bBQlrEvX6X0AAapn0XaoWJRv7+zUS9xfE98/IpIzOOHPtX6S42xjrWD+cNVFwgDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"609926100e00468d1407759c07ff22763e3c65243b973d43c8a3937de1f2879b","last_reissued_at":"2026-07-05T02:51:19.869894Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:51:19.869894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.06896","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":"2026-07-05T02:51:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w4+D2vNVglA1leX7oc6q0iCnepYUOsYNQdmcAybO7PVZYndAoSJ7rS3Mmj1Ttgr81mK9x/iKyE+422jwAqzKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T10:38:08.162847Z"},"content_sha256":"d7deb1fdd6aa3ace45e15e9447af741beae274aaf46908e7a4777c3ce83e88a6","schema_version":"1.0","event_id":"sha256:d7deb1fdd6aa3ace45e15e9447af741beae274aaf46908e7a4777c3ce83e88a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:MCMSMEAOABDI2FAHOWOAP7ZCOY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark Matter and Leptogenesis from Gravitational Production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chee Sheng Fong, Nicol\\'as Bernal","submitted_at":"2021-03-11T19:00:03Z","abstract_excerpt":"Since the gravitational interaction is universal, any particle that ever existed, if kinematically accessible, has to be produced through her. We explore the possibility that dark matter is generated purely from gravitational scatterings together with heavy Majorana right-handed neutrinos that are long-lived. Their late decay could inject significant entropy into the thermal bath, diluting both the dark matter abundance and the cosmic baryon asymmetry, thereby imposing various constraints on the reheating dynamics. Additionally to the entropy injection, long-lived right-handed neutrinos could "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.06896","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.06896/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":"2026-07-05T02:51:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zOKHH2ZQTkljo5hONuKMyer5HHTpJY/aEZk5Yh6+1ZbGEZ/APg7LDT5i+cE4ibPmU5sKZTWhDkueTYMR5AWCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T10:38:08.173900Z"},"content_sha256":"2ff8265725030c6daefaeacf849b255d8539cfa7f318497449071646d069866c","schema_version":"1.0","event_id":"sha256:2ff8265725030c6daefaeacf849b255d8539cfa7f318497449071646d069866c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MCMSMEAOABDI2FAHOWOAP7ZCOY/bundle.json","state_url":"https://pith.science/pith/MCMSMEAOABDI2FAHOWOAP7ZCOY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MCMSMEAOABDI2FAHOWOAP7ZCOY/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":"2026-08-11T10:38:08Z","links":{"resolver":"https://pith.science/pith/MCMSMEAOABDI2FAHOWOAP7ZCOY","bundle":"https://pith.science/pith/MCMSMEAOABDI2FAHOWOAP7ZCOY/bundle.json","state":"https://pith.science/pith/MCMSMEAOABDI2FAHOWOAP7ZCOY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MCMSMEAOABDI2FAHOWOAP7ZCOY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:MCMSMEAOABDI2FAHOWOAP7ZCOY","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":"29c9c958d7992a61dd97ab58d44ece1b04970f05989258020649417a8098393e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-03-11T19:00:03Z","title_canon_sha256":"dd20a3c01ebbbf02973b1c41f09707189def9a7740c97611d4303adda2876844"},"schema_version":"1.0","source":{"id":"2103.06896","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.06896","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"arxiv_version","alias_value":"2103.06896v2","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.06896","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"pith_short_12","alias_value":"MCMSMEAOABDI","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"pith_short_16","alias_value":"MCMSMEAOABDI2FAH","created_at":"2026-07-05T02:51:19Z"},{"alias_kind":"pith_short_8","alias_value":"MCMSMEAO","created_at":"2026-07-05T02:51:19Z"}],"graph_snapshots":[{"event_id":"sha256:2ff8265725030c6daefaeacf849b255d8539cfa7f318497449071646d069866c","target":"graph","created_at":"2026-07-05T02:51:19Z","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/2103.06896/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Since the gravitational interaction is universal, any particle that ever existed, if kinematically accessible, has to be produced through her. We explore the possibility that dark matter is generated purely from gravitational scatterings together with heavy Majorana right-handed neutrinos that are long-lived. Their late decay could inject significant entropy into the thermal bath, diluting both the dark matter abundance and the cosmic baryon asymmetry, thereby imposing various constraints on the reheating dynamics. Additionally to the entropy injection, long-lived right-handed neutrinos could ","authors_text":"Chee Sheng Fong, Nicol\\'as Bernal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-03-11T19:00:03Z","title":"Dark Matter and Leptogenesis from Gravitational Production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.06896","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:d7deb1fdd6aa3ace45e15e9447af741beae274aaf46908e7a4777c3ce83e88a6","target":"record","created_at":"2026-07-05T02:51:19Z","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":"29c9c958d7992a61dd97ab58d44ece1b04970f05989258020649417a8098393e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-03-11T19:00:03Z","title_canon_sha256":"dd20a3c01ebbbf02973b1c41f09707189def9a7740c97611d4303adda2876844"},"schema_version":"1.0","source":{"id":"2103.06896","kind":"arxiv","version":2}},"canonical_sha256":"609926100e00468d1407759c07ff22763e3c65243b973d43c8a3937de1f2879b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"609926100e00468d1407759c07ff22763e3c65243b973d43c8a3937de1f2879b","first_computed_at":"2026-07-05T02:51:19.869894Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:51:19.869894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+T1wvS+J6mbH6tpJxk4hd4bBQlrEvX6X0AAapn0XaoWJRv7+zUS9xfE98/IpIzOOHPtX6S42xjrWD+cNVFwgDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:51:19.870347Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.06896","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d7deb1fdd6aa3ace45e15e9447af741beae274aaf46908e7a4777c3ce83e88a6","sha256:2ff8265725030c6daefaeacf849b255d8539cfa7f318497449071646d069866c"],"state_sha256":"323071ad60310d103d2f904eb3eb32606462160ff1cca0bac68240b7c0bfbd67"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PzxDrsBq//d2ViKtVMU6CiIrTTbZ/KYUVKSoQnkFaxaxF67H4hB8rM70Jf0gM8bEgA1HnsQUU7BH2F29cyxMBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T10:38:08.193788Z","bundle_sha256":"88c0c3da8c2b16a5bdfe7a17f57919a2203b541738869cf1118230e6b093b497"}}