{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:AU62CAO3GSJZ46ZEFY7Q6A4FFU","short_pith_number":"pith:AU62CAO3","canonical_record":{"source":{"id":"2006.11949","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T00:37:16Z","cross_cats_sorted":[],"title_canon_sha256":"d7b5ea05aeaa2918559867e14a9c05395d624b13237f3a6394c3799d38c58190","abstract_canon_sha256":"9578b3e4458193883c55c5b516f6d5cf327bf1f551d6217130e0afcff29f1562"},"schema_version":"1.0"},"canonical_sha256":"053da101db34939e7b242e3f0f03852d2b0b83f09c5c664364b0dee2e011020b","source":{"kind":"arxiv","id":"2006.11949","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.11949","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2006.11949v1","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.11949","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"AU62CAO3GSJZ","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"AU62CAO3GSJZ46ZE","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"AU62CAO3","created_at":"2026-07-05T02:11:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:AU62CAO3GSJZ46ZEFY7Q6A4FFU","target":"record","payload":{"canonical_record":{"source":{"id":"2006.11949","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T00:37:16Z","cross_cats_sorted":[],"title_canon_sha256":"d7b5ea05aeaa2918559867e14a9c05395d624b13237f3a6394c3799d38c58190","abstract_canon_sha256":"9578b3e4458193883c55c5b516f6d5cf327bf1f551d6217130e0afcff29f1562"},"schema_version":"1.0"},"canonical_sha256":"053da101db34939e7b242e3f0f03852d2b0b83f09c5c664364b0dee2e011020b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:11:51.737247Z","signature_b64":"NQtFjCz4smHgjSUquQAMfqzXhZ/EZBEtjIbZW4+/DAC3qLG9oXP5DBnuqBrnLZ+MKr2CtLLmVSg5r8no0f0kCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"053da101db34939e7b242e3f0f03852d2b0b83f09c5c664364b0dee2e011020b","last_reissued_at":"2026-07-05T02:11:51.736833Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:11:51.736833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.11949","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":"2026-07-05T02:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sqD1wUj47Cuv6/X8QpihXD688fgQb0kodE8ihEbkXfMsZV7DL1yM1d8Q3b78o7IPm4tq40Vgms3SpqadfRFODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T05:22:45.215764Z"},"content_sha256":"66a1f44640da2996b3ea59240353c448c5c60bd2cea7bd2eaa92e69f362eda36","schema_version":"1.0","event_id":"sha256:66a1f44640da2996b3ea59240353c448c5c60bd2cea7bd2eaa92e69f362eda36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:AU62CAO3GSJZ46ZEFY7Q6A4FFU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On-shell mediator dark matter models and the Xenon1T anomaly","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Jinhan Liang, Mingxuan Du, Van Que Tran, Yilun Xue, Zuowei Liu","submitted_at":"2020-06-22T00:37:16Z","abstract_excerpt":"We present a dark matter model to explain the excess events in the electron recoil data recently reported by the Xenon1T experiment. In our model, dark matter $\\chi$ annihilates into a pair of on-shell particles $\\phi$ which subsequently decay into $\\psi \\psi$ final state; $\\psi$ interacts with electron to generate the observed excess events. Due to the mass hierarchy, the velocity of $\\psi$ can be rather large and can have an extended distribution, which provides a good fit to the electron recoil energy spectrum. We estimated the flux of $\\psi$ from dark matter annihilations in the galaxy and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.11949","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/2006.11949/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":"2026-07-05T02:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"spqvK7aDPl6ND23CkD+G0Te4aXxWeOoVcDGbeuJTNb8v+nQq9JBY8gWSPHYM90qWxICHxR3MZ0/V6CgMsplyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T05:22:45.216630Z"},"content_sha256":"21c7276495295782a9352f30df17c436628898032ed26c8a6d3bd5db3986a68c","schema_version":"1.0","event_id":"sha256:21c7276495295782a9352f30df17c436628898032ed26c8a6d3bd5db3986a68c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AU62CAO3GSJZ46ZEFY7Q6A4FFU/bundle.json","state_url":"https://pith.science/pith/AU62CAO3GSJZ46ZEFY7Q6A4FFU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AU62CAO3GSJZ46ZEFY7Q6A4FFU/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":"2026-08-21T05:22:45Z","links":{"resolver":"https://pith.science/pith/AU62CAO3GSJZ46ZEFY7Q6A4FFU","bundle":"https://pith.science/pith/AU62CAO3GSJZ46ZEFY7Q6A4FFU/bundle.json","state":"https://pith.science/pith/AU62CAO3GSJZ46ZEFY7Q6A4FFU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AU62CAO3GSJZ46ZEFY7Q6A4FFU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:AU62CAO3GSJZ46ZEFY7Q6A4FFU","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":"9578b3e4458193883c55c5b516f6d5cf327bf1f551d6217130e0afcff29f1562","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T00:37:16Z","title_canon_sha256":"d7b5ea05aeaa2918559867e14a9c05395d624b13237f3a6394c3799d38c58190"},"schema_version":"1.0","source":{"id":"2006.11949","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.11949","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2006.11949v1","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.11949","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"AU62CAO3GSJZ","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"AU62CAO3GSJZ46ZE","created_at":"2026-07-05T02:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"AU62CAO3","created_at":"2026-07-05T02:11:51Z"}],"graph_snapshots":[{"event_id":"sha256:21c7276495295782a9352f30df17c436628898032ed26c8a6d3bd5db3986a68c","target":"graph","created_at":"2026-07-05T02:11:51Z","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/2006.11949/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a dark matter model to explain the excess events in the electron recoil data recently reported by the Xenon1T experiment. In our model, dark matter $\\chi$ annihilates into a pair of on-shell particles $\\phi$ which subsequently decay into $\\psi \\psi$ final state; $\\psi$ interacts with electron to generate the observed excess events. Due to the mass hierarchy, the velocity of $\\psi$ can be rather large and can have an extended distribution, which provides a good fit to the electron recoil energy spectrum. We estimated the flux of $\\psi$ from dark matter annihilations in the galaxy and","authors_text":"Jinhan Liang, Mingxuan Du, Van Que Tran, Yilun Xue, Zuowei Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T00:37:16Z","title":"On-shell mediator dark matter models and the Xenon1T anomaly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.11949","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":"sha256:66a1f44640da2996b3ea59240353c448c5c60bd2cea7bd2eaa92e69f362eda36","target":"record","created_at":"2026-07-05T02:11:51Z","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":"9578b3e4458193883c55c5b516f6d5cf327bf1f551d6217130e0afcff29f1562","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T00:37:16Z","title_canon_sha256":"d7b5ea05aeaa2918559867e14a9c05395d624b13237f3a6394c3799d38c58190"},"schema_version":"1.0","source":{"id":"2006.11949","kind":"arxiv","version":1}},"canonical_sha256":"053da101db34939e7b242e3f0f03852d2b0b83f09c5c664364b0dee2e011020b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"053da101db34939e7b242e3f0f03852d2b0b83f09c5c664364b0dee2e011020b","first_computed_at":"2026-07-05T02:11:51.736833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:11:51.736833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NQtFjCz4smHgjSUquQAMfqzXhZ/EZBEtjIbZW4+/DAC3qLG9oXP5DBnuqBrnLZ+MKr2CtLLmVSg5r8no0f0kCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:11:51.737247Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.11949","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66a1f44640da2996b3ea59240353c448c5c60bd2cea7bd2eaa92e69f362eda36","sha256:21c7276495295782a9352f30df17c436628898032ed26c8a6d3bd5db3986a68c"],"state_sha256":"c402e426beb116d4ff9a913cadccea048ece7321411b7f12a367aeb88815aca4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E2x7Hf78vkYspL2fnip6oClA/DJ26Z0xhG9lxjcNKEFHz+9eQWxWL3SHJAYgwWvsLUdgXRvtoksKET49D22/Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T05:22:45.247802Z","bundle_sha256":"f47e34b724a82b7a2db27be4a1f7d6894dfcab5591ed9ac8e5f2872bf8b52bc3"}}