{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:VBMD6GF5FX367HNUJ2LLFQTSJG","short_pith_number":"pith:VBMD6GF5","canonical_record":{"source":{"id":"2001.08091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-01-22T15:55:12Z","cross_cats_sorted":[],"title_canon_sha256":"fe9e2bf95d790f61f9d36a217ac65ea0a75f50b7e846e2b9c2fefb3a7dccfed3","abstract_canon_sha256":"fbfd1cf9df36e0211041dfaa4dd716423904f9dc1c9f9d9cb06b24711d7f3a24"},"schema_version":"1.0"},"canonical_sha256":"a8583f18bd2df7ef9db44e96b2c272498efb4bde86f89d88d211844d3fae019d","source":{"kind":"arxiv","id":"2001.08091","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.08091","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"2001.08091v2","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.08091","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"VBMD6GF5FX36","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"pith_short_16","alias_value":"VBMD6GF5FX367HNU","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"pith_short_8","alias_value":"VBMD6GF5","created_at":"2026-07-05T01:14:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:VBMD6GF5FX367HNUJ2LLFQTSJG","target":"record","payload":{"canonical_record":{"source":{"id":"2001.08091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-01-22T15:55:12Z","cross_cats_sorted":[],"title_canon_sha256":"fe9e2bf95d790f61f9d36a217ac65ea0a75f50b7e846e2b9c2fefb3a7dccfed3","abstract_canon_sha256":"fbfd1cf9df36e0211041dfaa4dd716423904f9dc1c9f9d9cb06b24711d7f3a24"},"schema_version":"1.0"},"canonical_sha256":"a8583f18bd2df7ef9db44e96b2c272498efb4bde86f89d88d211844d3fae019d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:14:36.084652Z","signature_b64":"3vt6T2Ctknxj/wAeP8LCnqmx26U4zfZMchikLCz9VCM8eRIIaDrmwwXXJluq+5IywrWJJpo9azSoVWti9DcdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8583f18bd2df7ef9db44e96b2c272498efb4bde86f89d88d211844d3fae019d","last_reissued_at":"2026-07-05T01:14:36.084285Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:14:36.084285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.08091","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":"2026-07-05T01:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nwKJPOWV36GwACjYRLQ8ImI6lELQtnKI8SeRfV3SPj79tFf7Q4ZHPKDhpDlhl5LJqpbnAeTjxUCUGXMHKTDMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T16:14:05.234229Z"},"content_sha256":"7d249827395a47361b65764893656b2d8b26937ab15bc1fda1a78962496a0656","schema_version":"1.0","event_id":"sha256:7d249827395a47361b65764893656b2d8b26937ab15bc1fda1a78962496a0656"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:VBMD6GF5FX367HNUJ2LLFQTSJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Current-assisted Raman activation of the Higgs mode in superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Dirk Manske, Lukas Schwarz, Matteo Puviani, Stefan Kaiser, Xiao-Xiao Zhang","submitted_at":"2020-01-22T15:55:12Z","abstract_excerpt":"The Higgs mode in superconductors is a scalar mode without electric or magnetic dipole moment. Thus, it is commonly believed that its excitation is restricted to a nonlinear two-photon Raman process. However, recent efforts have shown that a linear excitation in the presence of a supercurrent is possible, resulting in a new resonant enhancement at $\\Omega=2\\Delta$ with the driving light frequency $\\Omega$ and the energy of the Higgs mode $2\\Delta$. This is in contrast to the usual $2\\Omega = 2\\Delta$ resonance condition found in nonlinear third-harmonic generation experiments. In this communic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.08091","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/2001.08091/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":"2026-07-05T01:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RJL9JjG7th4sxu35DVKp9UPSriFyFgyd+1j4OQCsOdhaaL61Aes5Qh3A1TTLTstKTBJJr6l9/aJdFR/u3Tk7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T16:14:05.234777Z"},"content_sha256":"c23cbfed866a1ee830f5e1223aaafa0c2f70c31b9679972999c144acd4e409d1","schema_version":"1.0","event_id":"sha256:c23cbfed866a1ee830f5e1223aaafa0c2f70c31b9679972999c144acd4e409d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBMD6GF5FX367HNUJ2LLFQTSJG/bundle.json","state_url":"https://pith.science/pith/VBMD6GF5FX367HNUJ2LLFQTSJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBMD6GF5FX367HNUJ2LLFQTSJG/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":"2026-08-20T16:14:05Z","links":{"resolver":"https://pith.science/pith/VBMD6GF5FX367HNUJ2LLFQTSJG","bundle":"https://pith.science/pith/VBMD6GF5FX367HNUJ2LLFQTSJG/bundle.json","state":"https://pith.science/pith/VBMD6GF5FX367HNUJ2LLFQTSJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBMD6GF5FX367HNUJ2LLFQTSJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:VBMD6GF5FX367HNUJ2LLFQTSJG","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":"fbfd1cf9df36e0211041dfaa4dd716423904f9dc1c9f9d9cb06b24711d7f3a24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-01-22T15:55:12Z","title_canon_sha256":"fe9e2bf95d790f61f9d36a217ac65ea0a75f50b7e846e2b9c2fefb3a7dccfed3"},"schema_version":"1.0","source":{"id":"2001.08091","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.08091","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"2001.08091v2","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.08091","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"VBMD6GF5FX36","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"pith_short_16","alias_value":"VBMD6GF5FX367HNU","created_at":"2026-07-05T01:14:36Z"},{"alias_kind":"pith_short_8","alias_value":"VBMD6GF5","created_at":"2026-07-05T01:14:36Z"}],"graph_snapshots":[{"event_id":"sha256:c23cbfed866a1ee830f5e1223aaafa0c2f70c31b9679972999c144acd4e409d1","target":"graph","created_at":"2026-07-05T01:14:36Z","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/2001.08091/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Higgs mode in superconductors is a scalar mode without electric or magnetic dipole moment. Thus, it is commonly believed that its excitation is restricted to a nonlinear two-photon Raman process. However, recent efforts have shown that a linear excitation in the presence of a supercurrent is possible, resulting in a new resonant enhancement at $\\Omega=2\\Delta$ with the driving light frequency $\\Omega$ and the energy of the Higgs mode $2\\Delta$. This is in contrast to the usual $2\\Omega = 2\\Delta$ resonance condition found in nonlinear third-harmonic generation experiments. In this communic","authors_text":"Dirk Manske, Lukas Schwarz, Matteo Puviani, Stefan Kaiser, Xiao-Xiao Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-01-22T15:55:12Z","title":"Current-assisted Raman activation of the Higgs mode in superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.08091","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":"sha256:7d249827395a47361b65764893656b2d8b26937ab15bc1fda1a78962496a0656","target":"record","created_at":"2026-07-05T01:14:36Z","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":"fbfd1cf9df36e0211041dfaa4dd716423904f9dc1c9f9d9cb06b24711d7f3a24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-01-22T15:55:12Z","title_canon_sha256":"fe9e2bf95d790f61f9d36a217ac65ea0a75f50b7e846e2b9c2fefb3a7dccfed3"},"schema_version":"1.0","source":{"id":"2001.08091","kind":"arxiv","version":2}},"canonical_sha256":"a8583f18bd2df7ef9db44e96b2c272498efb4bde86f89d88d211844d3fae019d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8583f18bd2df7ef9db44e96b2c272498efb4bde86f89d88d211844d3fae019d","first_computed_at":"2026-07-05T01:14:36.084285Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:14:36.084285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3vt6T2Ctknxj/wAeP8LCnqmx26U4zfZMchikLCz9VCM8eRIIaDrmwwXXJluq+5IywrWJJpo9azSoVWti9DcdBg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:14:36.084652Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.08091","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d249827395a47361b65764893656b2d8b26937ab15bc1fda1a78962496a0656","sha256:c23cbfed866a1ee830f5e1223aaafa0c2f70c31b9679972999c144acd4e409d1"],"state_sha256":"9210ade5189b966cef0ae06612c23083e078ec898334b5e1a79b1eed3c140f9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vsPkXgIcb+8NY3ohZwMRJj6G7bTgrBy8swsUTZsliYq6f8DX4GcS65P6e3+4POaxBmSZjP78v98XtCczJTwaAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T16:14:05.239899Z","bundle_sha256":"b86892644ce07fd55c8a456846dc1984bc586055e7400e095027257fa42972bb"}}