{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:DMV2V3OQUSPJLFMMFGZTCDFSKU","short_pith_number":"pith:DMV2V3OQ","schema_version":"1.0","canonical_sha256":"1b2baaedd0a49e95958c29b3310cb255343380f8bfa83df35175cc64ef63a958","source":{"kind":"arxiv","id":"1504.01838","version":1},"attestation_state":"computed","paper":{"title":"Observation of nonlinear variations in three-vertex geometric phase in two-photon polarization qutrit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hirokazu Kobayashi, Kazuhisa Ogawa, Masao Kitano, Shuhei Tamate, Toshihiro Nakanishi","submitted_at":"2015-04-08T06:11:08Z","abstract_excerpt":"We experimentally observed nonlinear variations in the three-vertex geometric phase in a two- photon polarization qutrit. The three-vertex geometric phase is defined by three quantum states, which generally forms a three-state (qutrit) system. By changing one of the three constituent states, we observed two rapid increases in the three-vertex geometric phase. The observed variations are inherent in a three-state system and cannot be observed in a two-state system. We used a time-reversed two-photon interferometer to measure the geometric phase with much more intense signals than those of a typ"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1504.01838","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-04-08T06:11:08Z","cross_cats_sorted":[],"title_canon_sha256":"48af3300376c8d22d18626652417fccbfcaecc91830d3fe4f48131d5f28d175c","abstract_canon_sha256":"f14d1b3a9ce474323ffa198c2ae5155b254b05190d29b7af2d139defb436b028"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:11.113668Z","signature_b64":"vBCfw0Gyhtj2qUDZeLc79qlo/Ik3f9UZMBUpJnsgrMrE98A2qNa71y+JlIaefcawXXp7qLm/ASGrShcNBUN6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b2baaedd0a49e95958c29b3310cb255343380f8bfa83df35175cc64ef63a958","last_reissued_at":"2026-05-18T01:44:11.112937Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:11.112937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observation of nonlinear variations in three-vertex geometric phase in two-photon polarization qutrit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hirokazu Kobayashi, Kazuhisa Ogawa, Masao Kitano, Shuhei Tamate, Toshihiro Nakanishi","submitted_at":"2015-04-08T06:11:08Z","abstract_excerpt":"We experimentally observed nonlinear variations in the three-vertex geometric phase in a two- photon polarization qutrit. The three-vertex geometric phase is defined by three quantum states, which generally forms a three-state (qutrit) system. By changing one of the three constituent states, we observed two rapid increases in the three-vertex geometric phase. The observed variations are inherent in a three-state system and cannot be observed in a two-state system. We used a time-reversed two-photon interferometer to measure the geometric phase with much more intense signals than those of a typ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01838","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1504.01838","created_at":"2026-05-18T01:44:11.113052+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.01838v1","created_at":"2026-05-18T01:44:11.113052+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01838","created_at":"2026-05-18T01:44:11.113052+00:00"},{"alias_kind":"pith_short_12","alias_value":"DMV2V3OQUSPJ","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_16","alias_value":"DMV2V3OQUSPJLFMM","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_8","alias_value":"DMV2V3OQ","created_at":"2026-05-18T12:29:17.054201+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU","json":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU.json","graph_json":"https://pith.science/api/pith-number/DMV2V3OQUSPJLFMMFGZTCDFSKU/graph.json","events_json":"https://pith.science/api/pith-number/DMV2V3OQUSPJLFMMFGZTCDFSKU/events.json","paper":"https://pith.science/paper/DMV2V3OQ"},"agent_actions":{"view_html":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU","download_json":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU.json","view_paper":"https://pith.science/paper/DMV2V3OQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.01838&json=true","fetch_graph":"https://pith.science/api/pith-number/DMV2V3OQUSPJLFMMFGZTCDFSKU/graph.json","fetch_events":"https://pith.science/api/pith-number/DMV2V3OQUSPJLFMMFGZTCDFSKU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU/action/storage_attestation","attest_author":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU/action/author_attestation","sign_citation":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU/action/citation_signature","submit_replication":"https://pith.science/pith/DMV2V3OQUSPJLFMMFGZTCDFSKU/action/replication_record"}},"created_at":"2026-05-18T01:44:11.113052+00:00","updated_at":"2026-05-18T01:44:11.113052+00:00"}