{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6D6PYEWVW6OHA3ZLI6AZ7UNPTR","short_pith_number":"pith:6D6PYEWV","canonical_record":{"source":{"id":"2605.20067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-19T16:20:58Z","cross_cats_sorted":[],"title_canon_sha256":"0cddd4b0fff530deddd9f9d8697f0e668df6d2fe526f25f80808c514cf6dbd01","abstract_canon_sha256":"1b65a8824c28c6b0b1f975ede5bce1e5c4db5f687987c55e3b47cee6969e49e1"},"schema_version":"1.0"},"canonical_sha256":"f0fcfc12d5b79c706f2b47819fd1af9c63a0730341415fe80d4af89bebe17e8c","source":{"kind":"arxiv","id":"2605.20067","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20067","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20067v1","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20067","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"pith_short_12","alias_value":"6D6PYEWVW6OH","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"pith_short_16","alias_value":"6D6PYEWVW6OHA3ZL","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"pith_short_8","alias_value":"6D6PYEWV","created_at":"2026-05-20T02:06:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6D6PYEWVW6OHA3ZLI6AZ7UNPTR","target":"record","payload":{"canonical_record":{"source":{"id":"2605.20067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-19T16:20:58Z","cross_cats_sorted":[],"title_canon_sha256":"0cddd4b0fff530deddd9f9d8697f0e668df6d2fe526f25f80808c514cf6dbd01","abstract_canon_sha256":"1b65a8824c28c6b0b1f975ede5bce1e5c4db5f687987c55e3b47cee6969e49e1"},"schema_version":"1.0"},"canonical_sha256":"f0fcfc12d5b79c706f2b47819fd1af9c63a0730341415fe80d4af89bebe17e8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T02:06:00.870879Z","signature_b64":"7/tPb5lgN/nOqXTuCQOygiW1K1OJUNfZhZW7noAjHMxzn4yM8neeQLh9tiVDM1uf3Lckvh/FSlPwy5N6LD66Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0fcfc12d5b79c706f2b47819fd1af9c63a0730341415fe80d4af89bebe17e8c","last_reissued_at":"2026-05-20T02:06:00.870355Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T02:06:00.870355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.20067","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":"2026-05-20T02:06:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Swj6+vq808RbV+m7UghsuI8cazkuEV2OBW903rPIQ6iXBKJV3Z/1PdhAVv5GPC1IQlXmGmYM7GKFtYTrGhNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:15:49.285476Z"},"content_sha256":"09611b5d1109c6a695d2e93ef04754c60c701f021c33858542e63725a77cba4f","schema_version":"1.0","event_id":"sha256:09611b5d1109c6a695d2e93ef04754c60c701f021c33858542e63725a77cba4f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6D6PYEWVW6OHA3ZLI6AZ7UNPTR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coherent terahertz magnon-phonon three-wave mixing in a layered antiferromagnet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Angel Rubio, Emil Vinas Bostr\\\"om, Fucai Liu, Jianlin Luo, Liangyue Li, Lixin Liu, Na Wu, Qi Zhang, Xinbo Wang, Yuan Wan, Zefen Li, Zhengwang Lin","submitted_at":"2026-05-19T16:20:58Z","abstract_excerpt":"The coherent nonlinear dynamics between collective excitations, such as magnons and phonons, drive emergent phenomena in quantum materials, yet their direct observation remains a central challenge. Here, using double-terahertz-pump optical-probe spectroscopy, we report the direct observation of coherent magnon-phonon three-wave mixing in the layered antiferromagnetic insulator FePS$_{3}$. We resolve both second- and third-order nonlinear responses of antiferromagnetic magnons and identify a suite of nonlinear couplings in two-dimensional (2D) coherent spectra, including definitive sum- and dif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20067","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/2605.20067/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":"2026-05-20T02:06:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z2UYHGa7gEFaotgXyOyxdmFNJUDYUOiK/u9lHu9XgxbL8uqur/dJVRwYrrxeyJK/te+A9eR5Ejhg3aEW6mYWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:15:49.285882Z"},"content_sha256":"996383c673a5a3938a56b169a4a586c189fa40ab3437e77e55dcd8090dd5dcd5","schema_version":"1.0","event_id":"sha256:996383c673a5a3938a56b169a4a586c189fa40ab3437e77e55dcd8090dd5dcd5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6D6PYEWVW6OHA3ZLI6AZ7UNPTR/bundle.json","state_url":"https://pith.science/pith/6D6PYEWVW6OHA3ZLI6AZ7UNPTR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6D6PYEWVW6OHA3ZLI6AZ7UNPTR/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":"2026-05-28T00:15:49Z","links":{"resolver":"https://pith.science/pith/6D6PYEWVW6OHA3ZLI6AZ7UNPTR","bundle":"https://pith.science/pith/6D6PYEWVW6OHA3ZLI6AZ7UNPTR/bundle.json","state":"https://pith.science/pith/6D6PYEWVW6OHA3ZLI6AZ7UNPTR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6D6PYEWVW6OHA3ZLI6AZ7UNPTR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6D6PYEWVW6OHA3ZLI6AZ7UNPTR","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":"1b65a8824c28c6b0b1f975ede5bce1e5c4db5f687987c55e3b47cee6969e49e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-19T16:20:58Z","title_canon_sha256":"0cddd4b0fff530deddd9f9d8697f0e668df6d2fe526f25f80808c514cf6dbd01"},"schema_version":"1.0","source":{"id":"2605.20067","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20067","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20067v1","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20067","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"pith_short_12","alias_value":"6D6PYEWVW6OH","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"pith_short_16","alias_value":"6D6PYEWVW6OHA3ZL","created_at":"2026-05-20T02:06:00Z"},{"alias_kind":"pith_short_8","alias_value":"6D6PYEWV","created_at":"2026-05-20T02:06:00Z"}],"graph_snapshots":[{"event_id":"sha256:996383c673a5a3938a56b169a4a586c189fa40ab3437e77e55dcd8090dd5dcd5","target":"graph","created_at":"2026-05-20T02:06:00Z","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/2605.20067/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The coherent nonlinear dynamics between collective excitations, such as magnons and phonons, drive emergent phenomena in quantum materials, yet their direct observation remains a central challenge. Here, using double-terahertz-pump optical-probe spectroscopy, we report the direct observation of coherent magnon-phonon three-wave mixing in the layered antiferromagnetic insulator FePS$_{3}$. We resolve both second- and third-order nonlinear responses of antiferromagnetic magnons and identify a suite of nonlinear couplings in two-dimensional (2D) coherent spectra, including definitive sum- and dif","authors_text":"Angel Rubio, Emil Vinas Bostr\\\"om, Fucai Liu, Jianlin Luo, Liangyue Li, Lixin Liu, Na Wu, Qi Zhang, Xinbo Wang, Yuan Wan, Zefen Li, Zhengwang Lin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-19T16:20:58Z","title":"Coherent terahertz magnon-phonon three-wave mixing in a layered antiferromagnet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20067","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":"sha256:09611b5d1109c6a695d2e93ef04754c60c701f021c33858542e63725a77cba4f","target":"record","created_at":"2026-05-20T02:06:00Z","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":"1b65a8824c28c6b0b1f975ede5bce1e5c4db5f687987c55e3b47cee6969e49e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-19T16:20:58Z","title_canon_sha256":"0cddd4b0fff530deddd9f9d8697f0e668df6d2fe526f25f80808c514cf6dbd01"},"schema_version":"1.0","source":{"id":"2605.20067","kind":"arxiv","version":1}},"canonical_sha256":"f0fcfc12d5b79c706f2b47819fd1af9c63a0730341415fe80d4af89bebe17e8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0fcfc12d5b79c706f2b47819fd1af9c63a0730341415fe80d4af89bebe17e8c","first_computed_at":"2026-05-20T02:06:00.870355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T02:06:00.870355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7/tPb5lgN/nOqXTuCQOygiW1K1OJUNfZhZW7noAjHMxzn4yM8neeQLh9tiVDM1uf3Lckvh/FSlPwy5N6LD66Cw==","signature_status":"signed_v1","signed_at":"2026-05-20T02:06:00.870879Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.20067","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09611b5d1109c6a695d2e93ef04754c60c701f021c33858542e63725a77cba4f","sha256:996383c673a5a3938a56b169a4a586c189fa40ab3437e77e55dcd8090dd5dcd5"],"state_sha256":"2deec5452b0ae568ef660f0473f542d0e79f53cc48d26aed6a09e78b40324d4c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BrHsgmf90GAYN35W5e43at7vcRxO1kR62fZkeiMc+saOYj41Kj56P9MsLxWsfR5QEMON3OEPsNgpYEK/MK+xAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:15:49.288204Z","bundle_sha256":"0bac842b12d3a673d94b77f75b00888b58062755225f3529c8330936d9431255"}}