{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WDRSA47ERGAYZ375K3YUPUACK7","short_pith_number":"pith:WDRSA47E","canonical_record":{"source":{"id":"1512.00925","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-03T02:12:55Z","cross_cats_sorted":[],"title_canon_sha256":"be30ef3cce7c159b7746e6d06d9846d29acf09b6711f6ffb773195f9855c4f13","abstract_canon_sha256":"9ffeefd74bf531801f4927cbb66b934eb8b780e39de5f6bfe0f14300ff6657fb"},"schema_version":"1.0"},"canonical_sha256":"b0e32073e489818ceffd56f147d00257c9f9d0805659510d16b9c25420f77904","source":{"kind":"arxiv","id":"1512.00925","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00925","created_at":"2026-05-18T01:25:23Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00925v1","created_at":"2026-05-18T01:25:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00925","created_at":"2026-05-18T01:25:23Z"},{"alias_kind":"pith_short_12","alias_value":"WDRSA47ERGAY","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WDRSA47ERGAYZ375","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WDRSA47E","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WDRSA47ERGAYZ375K3YUPUACK7","target":"record","payload":{"canonical_record":{"source":{"id":"1512.00925","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-03T02:12:55Z","cross_cats_sorted":[],"title_canon_sha256":"be30ef3cce7c159b7746e6d06d9846d29acf09b6711f6ffb773195f9855c4f13","abstract_canon_sha256":"9ffeefd74bf531801f4927cbb66b934eb8b780e39de5f6bfe0f14300ff6657fb"},"schema_version":"1.0"},"canonical_sha256":"b0e32073e489818ceffd56f147d00257c9f9d0805659510d16b9c25420f77904","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:23.821447Z","signature_b64":"j8NpyUd2yuM1mIlhCLDKiPBhwo5hRRYCLgmliZVOmHrKYJWunrUbdfbZ2oUwaA+kyej4C92dV2IQ7LrxB/4+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0e32073e489818ceffd56f147d00257c9f9d0805659510d16b9c25420f77904","last_reissued_at":"2026-05-18T01:25:23.821011Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:23.821011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.00925","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":"2026-05-18T01:25:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/96lkSVghydwOGgoDsQeOGmz8aMxYsQ4YHiDCS0T5r+tRbhE2ZwOcos+wy1Nor7ua6Teo2S4XgOWIYwwHYTkCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:39:58.410635Z"},"content_sha256":"fc79872af43bdb0d23d4be0bbe398c4ea9a853c4b7b276f0e91e090d380cc12b","schema_version":"1.0","event_id":"sha256:fc79872af43bdb0d23d4be0bbe398c4ea9a853c4b7b276f0e91e090d380cc12b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WDRSA47ERGAYZ375K3YUPUACK7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-resolved observation of coherent excitonic nonlinear response with a table-top narrowband THz pulse wave","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"C. Kim, C. Wolpert, H. Akiyama, H. Hirori, K. Tanaka, K. Uchida, K. W. West, L. N. Pfeiffer, M. Yoshita, T. Aoki, T. Mochizuki, T. Tamaya","submitted_at":"2015-12-03T02:12:55Z","abstract_excerpt":"By combining a tilted-pulse-intensity-front scheme using a LiNbO3 crystal and a chirped-pulse-beating method, we generated a narrowband intense terahertz (THz) pulse, which had a maximum electric field of more than 10 kV/cm at around 2 THz, a bandwidth of about 50 GHz,and frequency tunability from 0.5 to 2 THz. By performing THz-pump and near-infrared-probe experiments on GaAs quantum wells, we observed that the resonant excitation of the intraexcitonic 1s-2p transition induces a clear and large Autler-Townes splitting. Our time-resolved measurements show that the splitting energy observed in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00925","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":""},"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":"2026-05-18T01:25:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H/VCpR/IxZ91+Lei4RhPdqeZOi2OjboHm31cq6TAXjlBGxq7nzjaohBrhwYseThL1d9hUXm5W2YdQ6pQJHg6DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:39:58.411270Z"},"content_sha256":"a14a92f743c114526f9baab74637ad3c5ac7a8e8aef64105aca64a3abcf3bd90","schema_version":"1.0","event_id":"sha256:a14a92f743c114526f9baab74637ad3c5ac7a8e8aef64105aca64a3abcf3bd90"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WDRSA47ERGAYZ375K3YUPUACK7/bundle.json","state_url":"https://pith.science/pith/WDRSA47ERGAYZ375K3YUPUACK7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WDRSA47ERGAYZ375K3YUPUACK7/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":"2026-05-28T16:39:58Z","links":{"resolver":"https://pith.science/pith/WDRSA47ERGAYZ375K3YUPUACK7","bundle":"https://pith.science/pith/WDRSA47ERGAYZ375K3YUPUACK7/bundle.json","state":"https://pith.science/pith/WDRSA47ERGAYZ375K3YUPUACK7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WDRSA47ERGAYZ375K3YUPUACK7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WDRSA47ERGAYZ375K3YUPUACK7","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":"9ffeefd74bf531801f4927cbb66b934eb8b780e39de5f6bfe0f14300ff6657fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-03T02:12:55Z","title_canon_sha256":"be30ef3cce7c159b7746e6d06d9846d29acf09b6711f6ffb773195f9855c4f13"},"schema_version":"1.0","source":{"id":"1512.00925","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00925","created_at":"2026-05-18T01:25:23Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00925v1","created_at":"2026-05-18T01:25:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00925","created_at":"2026-05-18T01:25:23Z"},{"alias_kind":"pith_short_12","alias_value":"WDRSA47ERGAY","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WDRSA47ERGAYZ375","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WDRSA47E","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:a14a92f743c114526f9baab74637ad3c5ac7a8e8aef64105aca64a3abcf3bd90","target":"graph","created_at":"2026-05-18T01:25:23Z","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"},"paper":{"abstract_excerpt":"By combining a tilted-pulse-intensity-front scheme using a LiNbO3 crystal and a chirped-pulse-beating method, we generated a narrowband intense terahertz (THz) pulse, which had a maximum electric field of more than 10 kV/cm at around 2 THz, a bandwidth of about 50 GHz,and frequency tunability from 0.5 to 2 THz. By performing THz-pump and near-infrared-probe experiments on GaAs quantum wells, we observed that the resonant excitation of the intraexcitonic 1s-2p transition induces a clear and large Autler-Townes splitting. Our time-resolved measurements show that the splitting energy observed in ","authors_text":"C. Kim, C. Wolpert, H. Akiyama, H. Hirori, K. Tanaka, K. Uchida, K. W. West, L. N. Pfeiffer, M. Yoshita, T. Aoki, T. Mochizuki, T. Tamaya","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-03T02:12:55Z","title":"Time-resolved observation of coherent excitonic nonlinear response with a table-top narrowband THz pulse wave"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00925","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:fc79872af43bdb0d23d4be0bbe398c4ea9a853c4b7b276f0e91e090d380cc12b","target":"record","created_at":"2026-05-18T01:25:23Z","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":"9ffeefd74bf531801f4927cbb66b934eb8b780e39de5f6bfe0f14300ff6657fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-03T02:12:55Z","title_canon_sha256":"be30ef3cce7c159b7746e6d06d9846d29acf09b6711f6ffb773195f9855c4f13"},"schema_version":"1.0","source":{"id":"1512.00925","kind":"arxiv","version":1}},"canonical_sha256":"b0e32073e489818ceffd56f147d00257c9f9d0805659510d16b9c25420f77904","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0e32073e489818ceffd56f147d00257c9f9d0805659510d16b9c25420f77904","first_computed_at":"2026-05-18T01:25:23.821011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:23.821011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j8NpyUd2yuM1mIlhCLDKiPBhwo5hRRYCLgmliZVOmHrKYJWunrUbdfbZ2oUwaA+kyej4C92dV2IQ7LrxB/4+CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:23.821447Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.00925","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc79872af43bdb0d23d4be0bbe398c4ea9a853c4b7b276f0e91e090d380cc12b","sha256:a14a92f743c114526f9baab74637ad3c5ac7a8e8aef64105aca64a3abcf3bd90"],"state_sha256":"60bf2f989dc44754708d2ca57f35265becdbb62d9f9034511faabb3b9917ac73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HWdFRFRXkOvryNRZNdtR5OPJwMrJnKOe/KQNxyze/2RVDjOnSeaVWnaTYQq+snzN6WeswPd7hcckSDfR5axpDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:39:58.414027Z","bundle_sha256":"56628dba2886811d8dcaea4ed6e298301e393f0f5eab3a9722ac20343e4abae6"}}