{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:BYMQNEROZ3HKMWF5XIVA6BJOUR","short_pith_number":"pith:BYMQNERO","canonical_record":{"source":{"id":"2101.04887","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-01-13T05:38:30Z","cross_cats_sorted":[],"title_canon_sha256":"9cc876006486ab94d836992a70b84e11bf39c522f6a57fbe5aacccb9efe68c90","abstract_canon_sha256":"4e5731508a301aa5ea456ab80372fc87486ed395918c39bc04726ecff2f908ae"},"schema_version":"1.0"},"canonical_sha256":"0e1906922ececea658bdba2a0f052ea46cc37e3b60b95180f2acc07e80ad8f25","source":{"kind":"arxiv","id":"2101.04887","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.04887","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"2101.04887v2","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.04887","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"BYMQNEROZ3HK","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"BYMQNEROZ3HKMWF5","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"BYMQNERO","created_at":"2026-07-05T03:10:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:BYMQNEROZ3HKMWF5XIVA6BJOUR","target":"record","payload":{"canonical_record":{"source":{"id":"2101.04887","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-01-13T05:38:30Z","cross_cats_sorted":[],"title_canon_sha256":"9cc876006486ab94d836992a70b84e11bf39c522f6a57fbe5aacccb9efe68c90","abstract_canon_sha256":"4e5731508a301aa5ea456ab80372fc87486ed395918c39bc04726ecff2f908ae"},"schema_version":"1.0"},"canonical_sha256":"0e1906922ececea658bdba2a0f052ea46cc37e3b60b95180f2acc07e80ad8f25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:10:27.560340Z","signature_b64":"tC02y3gPolU4WHzfKYVJfLyuyqOgIY0zGKJrrja3jeqGLKR0jGNdCAG8EnjXkkA3dw94WFQ0MqHuseCMPfA/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e1906922ececea658bdba2a0f052ea46cc37e3b60b95180f2acc07e80ad8f25","last_reissued_at":"2026-07-05T03:10:27.559899Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:10:27.559899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.04887","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":"2026-07-05T03:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iTjg3XHqLoZpe3sPHfPz8EOr/QLHZWKJmKsDuc+J69egirNZpg3XnKW1t4NyJnlTHes/9Rm12hP/nzkQQ2OXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T03:43:10.196110Z"},"content_sha256":"c02bff53d1972f1ee81f95e30601eb4847c8c61d5adb8b147dfeaeac73e12df6","schema_version":"1.0","event_id":"sha256:c02bff53d1972f1ee81f95e30601eb4847c8c61d5adb8b147dfeaeac73e12df6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:BYMQNEROZ3HKMWF5XIVA6BJOUR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing a degenerate-scalar scenario in a pseudoscalar dark-matter model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Gi-Chol Cho, Kentarou Mawatari, Sachiho Abe","submitted_at":"2021-01-13T05:38:30Z","abstract_excerpt":"We study a pseudoscalar dark-matter model arising from a complex singlet extension of the standard model (SM), and show that the dark-matter--nucleon scattering is suppressed when two CP-even scalars are degenerate. In such a degenerate-scalar scenario we explore the model parameter space which satisfies constraints from the direct detection experiments and the relic density of dark matter. In addition, we discuss a possibility to verify such a scenario by using the recoil mass technique at the International Linear Collider. We find that a pair of states separated by 0.2 GeV can be distinguish"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.04887","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/2101.04887/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":"2026-07-05T03:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qr1gT/v0sFX8WXdYnXDdanLMJv7zbA/DYKzoC7Fk8qB9hMsF+J3UHPXek5Cky+tpZqzPTZmrYfAUtPRWGeOxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T03:43:10.196609Z"},"content_sha256":"04c60ca403b3b700bfc9dd18abc5e29957c5e2d967118860ac60e6cdc09a4462","schema_version":"1.0","event_id":"sha256:04c60ca403b3b700bfc9dd18abc5e29957c5e2d967118860ac60e6cdc09a4462"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BYMQNEROZ3HKMWF5XIVA6BJOUR/bundle.json","state_url":"https://pith.science/pith/BYMQNEROZ3HKMWF5XIVA6BJOUR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BYMQNEROZ3HKMWF5XIVA6BJOUR/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":"2026-08-09T03:43:10Z","links":{"resolver":"https://pith.science/pith/BYMQNEROZ3HKMWF5XIVA6BJOUR","bundle":"https://pith.science/pith/BYMQNEROZ3HKMWF5XIVA6BJOUR/bundle.json","state":"https://pith.science/pith/BYMQNEROZ3HKMWF5XIVA6BJOUR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BYMQNEROZ3HKMWF5XIVA6BJOUR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:BYMQNEROZ3HKMWF5XIVA6BJOUR","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":"4e5731508a301aa5ea456ab80372fc87486ed395918c39bc04726ecff2f908ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-01-13T05:38:30Z","title_canon_sha256":"9cc876006486ab94d836992a70b84e11bf39c522f6a57fbe5aacccb9efe68c90"},"schema_version":"1.0","source":{"id":"2101.04887","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.04887","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"2101.04887v2","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.04887","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"BYMQNEROZ3HK","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"BYMQNEROZ3HKMWF5","created_at":"2026-07-05T03:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"BYMQNERO","created_at":"2026-07-05T03:10:27Z"}],"graph_snapshots":[{"event_id":"sha256:04c60ca403b3b700bfc9dd18abc5e29957c5e2d967118860ac60e6cdc09a4462","target":"graph","created_at":"2026-07-05T03:10:27Z","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/2101.04887/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study a pseudoscalar dark-matter model arising from a complex singlet extension of the standard model (SM), and show that the dark-matter--nucleon scattering is suppressed when two CP-even scalars are degenerate. In such a degenerate-scalar scenario we explore the model parameter space which satisfies constraints from the direct detection experiments and the relic density of dark matter. In addition, we discuss a possibility to verify such a scenario by using the recoil mass technique at the International Linear Collider. We find that a pair of states separated by 0.2 GeV can be distinguish","authors_text":"Gi-Chol Cho, Kentarou Mawatari, Sachiho Abe","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-01-13T05:38:30Z","title":"Probing a degenerate-scalar scenario in a pseudoscalar dark-matter model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.04887","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:c02bff53d1972f1ee81f95e30601eb4847c8c61d5adb8b147dfeaeac73e12df6","target":"record","created_at":"2026-07-05T03:10:27Z","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":"4e5731508a301aa5ea456ab80372fc87486ed395918c39bc04726ecff2f908ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-01-13T05:38:30Z","title_canon_sha256":"9cc876006486ab94d836992a70b84e11bf39c522f6a57fbe5aacccb9efe68c90"},"schema_version":"1.0","source":{"id":"2101.04887","kind":"arxiv","version":2}},"canonical_sha256":"0e1906922ececea658bdba2a0f052ea46cc37e3b60b95180f2acc07e80ad8f25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e1906922ececea658bdba2a0f052ea46cc37e3b60b95180f2acc07e80ad8f25","first_computed_at":"2026-07-05T03:10:27.559899Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:10:27.559899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tC02y3gPolU4WHzfKYVJfLyuyqOgIY0zGKJrrja3jeqGLKR0jGNdCAG8EnjXkkA3dw94WFQ0MqHuseCMPfA/DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:10:27.560340Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.04887","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c02bff53d1972f1ee81f95e30601eb4847c8c61d5adb8b147dfeaeac73e12df6","sha256:04c60ca403b3b700bfc9dd18abc5e29957c5e2d967118860ac60e6cdc09a4462"],"state_sha256":"1d1b777361982a63e2c0c762e83ecd079cbee1ef958c599ead6b48f24b582205"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"izsIgS7caqHbEVodCh9JO5ECsbP0nTkHC8TtF3ZeoBTWxNqOaorufZofnRKt4/9kdxCrlWnSlF5FNDUIjTuxAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T03:43:10.200470Z","bundle_sha256":"ad5f7eb1984e4967a1f71aa5e408793f3a3874f63cf144afdccf042ee5e8d80a"}}