{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5AQSEO7DYQTZWT27533NT74KLU","short_pith_number":"pith:5AQSEO7D","canonical_record":{"source":{"id":"1704.00548","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-03T12:33:33Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"7b420bcc08b719bfc566f4cf14f21339fbe00fc758dc2de4e9a80f69774280c0","abstract_canon_sha256":"c056102b0881c00cac3ddd750ad8ec5ab21d6c1496864142e31714994d20f164"},"schema_version":"1.0"},"canonical_sha256":"e821223be3c4279b4f5feef6d9ff8a5d2e5786a49d0832cdfafacfa16809583c","source":{"kind":"arxiv","id":"1704.00548","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00548","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00548v1","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00548","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"pith_short_12","alias_value":"5AQSEO7DYQTZ","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5AQSEO7DYQTZWT27","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5AQSEO7D","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5AQSEO7DYQTZWT27533NT74KLU","target":"record","payload":{"canonical_record":{"source":{"id":"1704.00548","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-03T12:33:33Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"7b420bcc08b719bfc566f4cf14f21339fbe00fc758dc2de4e9a80f69774280c0","abstract_canon_sha256":"c056102b0881c00cac3ddd750ad8ec5ab21d6c1496864142e31714994d20f164"},"schema_version":"1.0"},"canonical_sha256":"e821223be3c4279b4f5feef6d9ff8a5d2e5786a49d0832cdfafacfa16809583c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:01.157822Z","signature_b64":"LNDyN2q/oeQjQ4tJjKX1ab8Vd17lIZ1qHtARF3H9rNSaYM4UbOyumpU6z96vge2stoHYG7M5Nph7WyIRj0qWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e821223be3c4279b4f5feef6d9ff8a5d2e5786a49d0832cdfafacfa16809583c","last_reissued_at":"2026-05-18T00:45:01.157374Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:01.157374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.00548","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":"2026-05-18T00:45:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dyDlVAvjoxWQLWNLq2HnpqFl5SeOo9qBuW3xUMrDOJNem6fREyJjTZw/UM68fQaZ/ed0NqQ0bzVjPxW2NmixDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:22:11.869843Z"},"content_sha256":"2c4aebef57d8509f53e3ae98ea8d70edac250ca5e25c869c39c0fbf451798750","schema_version":"1.0","event_id":"sha256:2c4aebef57d8509f53e3ae98ea8d70edac250ca5e25c869c39c0fbf451798750"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5AQSEO7DYQTZWT27533NT74KLU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The even exciton series in Cu$_2$O","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christoph Uihlein, Frank Schweiner, G\\\"unter Wunner, J\\\"org Main","submitted_at":"2017-04-03T12:33:33Z","abstract_excerpt":"In $\\mathrm{Cu_{2}O}$ parity is a good quantum number and thus the exciton spectrum falls into two parts: The dipole-active exciton states of negative parity and odd angular momentum, which can be observed in one-photon absorption ($\\Gamma_4^-$ symmetry) and the exciton states of positive parity and even angular momentum, which can be observed in two-photon absorption ($\\Gamma_5^+$ symmetry). The unexpected observation of $D$ excitons in two-photon absorption and of $F$ excitons in one-photon absorption has given evidence that the dispersion properties of the $\\Gamma_5^+$ orbital valence band "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00548","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":"2026-05-18T00:45:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SahMZogSg4Lwk3+XHbK+Gx9qs0RKtZlnhRBkxaFPGrRl5wd1B1No/4I6bx8OFc1JI4jS01tkaFoaVocSEJu5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:22:11.870564Z"},"content_sha256":"6349e80e734880b9299d76c83e842caea0a2e023b721b3b0220c54184a3b744a","schema_version":"1.0","event_id":"sha256:6349e80e734880b9299d76c83e842caea0a2e023b721b3b0220c54184a3b744a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5AQSEO7DYQTZWT27533NT74KLU/bundle.json","state_url":"https://pith.science/pith/5AQSEO7DYQTZWT27533NT74KLU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5AQSEO7DYQTZWT27533NT74KLU/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":"2026-06-11T22:22:11Z","links":{"resolver":"https://pith.science/pith/5AQSEO7DYQTZWT27533NT74KLU","bundle":"https://pith.science/pith/5AQSEO7DYQTZWT27533NT74KLU/bundle.json","state":"https://pith.science/pith/5AQSEO7DYQTZWT27533NT74KLU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5AQSEO7DYQTZWT27533NT74KLU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5AQSEO7DYQTZWT27533NT74KLU","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":"c056102b0881c00cac3ddd750ad8ec5ab21d6c1496864142e31714994d20f164","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-03T12:33:33Z","title_canon_sha256":"7b420bcc08b719bfc566f4cf14f21339fbe00fc758dc2de4e9a80f69774280c0"},"schema_version":"1.0","source":{"id":"1704.00548","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00548","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00548v1","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00548","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"pith_short_12","alias_value":"5AQSEO7DYQTZ","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5AQSEO7DYQTZWT27","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5AQSEO7D","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:6349e80e734880b9299d76c83e842caea0a2e023b721b3b0220c54184a3b744a","target":"graph","created_at":"2026-05-18T00:45:01Z","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":"In $\\mathrm{Cu_{2}O}$ parity is a good quantum number and thus the exciton spectrum falls into two parts: The dipole-active exciton states of negative parity and odd angular momentum, which can be observed in one-photon absorption ($\\Gamma_4^-$ symmetry) and the exciton states of positive parity and even angular momentum, which can be observed in two-photon absorption ($\\Gamma_5^+$ symmetry). The unexpected observation of $D$ excitons in two-photon absorption and of $F$ excitons in one-photon absorption has given evidence that the dispersion properties of the $\\Gamma_5^+$ orbital valence band ","authors_text":"Christoph Uihlein, Frank Schweiner, G\\\"unter Wunner, J\\\"org Main","cross_cats":["cond-mat.mes-hall","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-03T12:33:33Z","title":"The even exciton series in Cu$_2$O"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00548","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":"sha256:2c4aebef57d8509f53e3ae98ea8d70edac250ca5e25c869c39c0fbf451798750","target":"record","created_at":"2026-05-18T00:45:01Z","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":"c056102b0881c00cac3ddd750ad8ec5ab21d6c1496864142e31714994d20f164","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-04-03T12:33:33Z","title_canon_sha256":"7b420bcc08b719bfc566f4cf14f21339fbe00fc758dc2de4e9a80f69774280c0"},"schema_version":"1.0","source":{"id":"1704.00548","kind":"arxiv","version":1}},"canonical_sha256":"e821223be3c4279b4f5feef6d9ff8a5d2e5786a49d0832cdfafacfa16809583c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e821223be3c4279b4f5feef6d9ff8a5d2e5786a49d0832cdfafacfa16809583c","first_computed_at":"2026-05-18T00:45:01.157374Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:01.157374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LNDyN2q/oeQjQ4tJjKX1ab8Vd17lIZ1qHtARF3H9rNSaYM4UbOyumpU6z96vge2stoHYG7M5Nph7WyIRj0qWDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:01.157822Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.00548","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c4aebef57d8509f53e3ae98ea8d70edac250ca5e25c869c39c0fbf451798750","sha256:6349e80e734880b9299d76c83e842caea0a2e023b721b3b0220c54184a3b744a"],"state_sha256":"57c6ddcae3a7f4a031e1617830b3c4f3085764e3aa111f0f1c8c9daf63189460"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bx3E5nBKGTkF4IQlPzgu7DQBe+1EObXFpkBRhwIEw17M5wYpukCKB2pomgG6/mQrKl/zDHfoi3V93HdvtViDBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T22:22:11.874828Z","bundle_sha256":"8a3d38567095bbdcc70ae5db747abb35de9e86b96aefad19429c45c354289504"}}