{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:553KEQ6MK5T5FK7DORFAHU25V3","short_pith_number":"pith:553KEQ6M","canonical_record":{"source":{"id":"2210.13516","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-10-24T18:13:28Z","cross_cats_sorted":["astro-ph.CO","cond-mat.mtrl-sci"],"title_canon_sha256":"dc0674faff5e58acca6e15b85501d8fdeff2fa079dd702c807be9e2d1d206619","abstract_canon_sha256":"dfaa4e79811631826e342ff463035bab37fe95a3ae2005f886e2853cb319494f"},"schema_version":"1.0"},"canonical_sha256":"ef76a243cc5767d2abe3744a03d35daed7d1fc5ef5288544dcc4cd678d7af386","source":{"kind":"arxiv","id":"2210.13516","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.13516","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"2210.13516v2","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.13516","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"553KEQ6MK5T5","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"pith_short_16","alias_value":"553KEQ6MK5T5FK7D","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"pith_short_8","alias_value":"553KEQ6M","created_at":"2026-07-05T06:36:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:553KEQ6MK5T5FK7DORFAHU25V3","target":"record","payload":{"canonical_record":{"source":{"id":"2210.13516","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-10-24T18:13:28Z","cross_cats_sorted":["astro-ph.CO","cond-mat.mtrl-sci"],"title_canon_sha256":"dc0674faff5e58acca6e15b85501d8fdeff2fa079dd702c807be9e2d1d206619","abstract_canon_sha256":"dfaa4e79811631826e342ff463035bab37fe95a3ae2005f886e2853cb319494f"},"schema_version":"1.0"},"canonical_sha256":"ef76a243cc5767d2abe3744a03d35daed7d1fc5ef5288544dcc4cd678d7af386","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:36:52.451504Z","signature_b64":"s99WXpBDiFX+N4TRbFcTF83LKpQUhkamcPDXIdET+rdbWuG3cSNHjw80XGCjPMfxMxYNINmWhcDKsf1GiK8FAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef76a243cc5767d2abe3744a03d35daed7d1fc5ef5288544dcc4cd678d7af386","last_reissued_at":"2026-07-05T06:36:52.451027Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:36:52.451027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.13516","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":"2026-07-05T06:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P6tKzOGLw9H9Mv4H001leslMiSq70qg4KtMoyIs8TNN7jFf2QzRumEtvLDmPhVZQsnX9Re+u37+YT0HUHwIqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T22:44:33.081595Z"},"content_sha256":"6181694b3bbeb1a21d0eb8d85a1800b228ab57803ed887aac429fe73e3949004","schema_version":"1.0","event_id":"sha256:6181694b3bbeb1a21d0eb8d85a1800b228ab57803ed887aac429fe73e3949004"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:553KEQ6MK5T5FK7DORFAHU25V3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal anti-ferromagnets for light dark matter detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","cond-mat.mtrl-sci"],"primary_cat":"hep-ph","authors_text":"Angelo Esposito, Shashin Pavaskar","submitted_at":"2022-10-24T18:13:28Z","abstract_excerpt":"We propose anti-ferromagnets as optimal targets to hunt for sub-MeV dark matter with spin-dependent interactions. These materials allow for multi-magnon emission even for very small momentum transfers, and are therefore sensitive to dark matter particles as light as the keV. We use an effective theory to compute the event rates in a simple way. Among the materials studied here, we identify nickel oxide (a well-assessed anti-ferromagnet) as an ideal candidate target. Indeed, the propagation speed of its gapless magnons is very close to the typical dark matter velocity, allowing the absorption o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.13516","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/2210.13516/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":"2026-07-05T06:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6kyhVdyUTDFAg5ThlQtjAAkO4lcABsGjXSbUAgU3zOxMLXrttxIGyAnV4bBSclwjn4jRxw6GtDfDC6bCPoy1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T22:44:33.082578Z"},"content_sha256":"fdfa2fc52255948cd2875dc971fdd0618ecb6f6a7b4f3547394b049d0c187268","schema_version":"1.0","event_id":"sha256:fdfa2fc52255948cd2875dc971fdd0618ecb6f6a7b4f3547394b049d0c187268"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/553KEQ6MK5T5FK7DORFAHU25V3/bundle.json","state_url":"https://pith.science/pith/553KEQ6MK5T5FK7DORFAHU25V3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/553KEQ6MK5T5FK7DORFAHU25V3/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":"2026-08-18T22:44:33Z","links":{"resolver":"https://pith.science/pith/553KEQ6MK5T5FK7DORFAHU25V3","bundle":"https://pith.science/pith/553KEQ6MK5T5FK7DORFAHU25V3/bundle.json","state":"https://pith.science/pith/553KEQ6MK5T5FK7DORFAHU25V3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/553KEQ6MK5T5FK7DORFAHU25V3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:553KEQ6MK5T5FK7DORFAHU25V3","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":"dfaa4e79811631826e342ff463035bab37fe95a3ae2005f886e2853cb319494f","cross_cats_sorted":["astro-ph.CO","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-10-24T18:13:28Z","title_canon_sha256":"dc0674faff5e58acca6e15b85501d8fdeff2fa079dd702c807be9e2d1d206619"},"schema_version":"1.0","source":{"id":"2210.13516","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.13516","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"2210.13516v2","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.13516","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"553KEQ6MK5T5","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"pith_short_16","alias_value":"553KEQ6MK5T5FK7D","created_at":"2026-07-05T06:36:52Z"},{"alias_kind":"pith_short_8","alias_value":"553KEQ6M","created_at":"2026-07-05T06:36:52Z"}],"graph_snapshots":[{"event_id":"sha256:fdfa2fc52255948cd2875dc971fdd0618ecb6f6a7b4f3547394b049d0c187268","target":"graph","created_at":"2026-07-05T06:36:52Z","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/2210.13516/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose anti-ferromagnets as optimal targets to hunt for sub-MeV dark matter with spin-dependent interactions. These materials allow for multi-magnon emission even for very small momentum transfers, and are therefore sensitive to dark matter particles as light as the keV. We use an effective theory to compute the event rates in a simple way. Among the materials studied here, we identify nickel oxide (a well-assessed anti-ferromagnet) as an ideal candidate target. Indeed, the propagation speed of its gapless magnons is very close to the typical dark matter velocity, allowing the absorption o","authors_text":"Angelo Esposito, Shashin Pavaskar","cross_cats":["astro-ph.CO","cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-10-24T18:13:28Z","title":"Optimal anti-ferromagnets for light dark matter detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.13516","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":"sha256:6181694b3bbeb1a21d0eb8d85a1800b228ab57803ed887aac429fe73e3949004","target":"record","created_at":"2026-07-05T06:36:52Z","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":"dfaa4e79811631826e342ff463035bab37fe95a3ae2005f886e2853cb319494f","cross_cats_sorted":["astro-ph.CO","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-10-24T18:13:28Z","title_canon_sha256":"dc0674faff5e58acca6e15b85501d8fdeff2fa079dd702c807be9e2d1d206619"},"schema_version":"1.0","source":{"id":"2210.13516","kind":"arxiv","version":2}},"canonical_sha256":"ef76a243cc5767d2abe3744a03d35daed7d1fc5ef5288544dcc4cd678d7af386","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef76a243cc5767d2abe3744a03d35daed7d1fc5ef5288544dcc4cd678d7af386","first_computed_at":"2026-07-05T06:36:52.451027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:36:52.451027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s99WXpBDiFX+N4TRbFcTF83LKpQUhkamcPDXIdET+rdbWuG3cSNHjw80XGCjPMfxMxYNINmWhcDKsf1GiK8FAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:36:52.451504Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.13516","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6181694b3bbeb1a21d0eb8d85a1800b228ab57803ed887aac429fe73e3949004","sha256:fdfa2fc52255948cd2875dc971fdd0618ecb6f6a7b4f3547394b049d0c187268"],"state_sha256":"74626a2a6719797c1c66942db9dff40327bcd7bd004a7d4b5f40761dd41cd1a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RU4bLKw2dA1Ggq8W/P2Q8Kn2fD/2lB9r7+eGFCpZo50jAyDxHXt313GTi7LnPlsia9+Df417tHAp4V4Vyos0AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T22:44:33.090001Z","bundle_sha256":"c216a6788a3212f32f635d39390b920c9e1b5743edaacd79b7586d2e0a9b9271"}}