{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ONAGD3VFGKOKGOSBA3XRNRGUFB","short_pith_number":"pith:ONAGD3VF","canonical_record":{"source":{"id":"1811.06306","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T11:53:37Z","cross_cats_sorted":[],"title_canon_sha256":"11445067f25acfa035af3cb47e376c08e3f7cadd734873eee073e9812e44639e","abstract_canon_sha256":"4e60671acb515b578a54406cfa84908a14335317f92936029cea41865dd01da3"},"schema_version":"1.0"},"canonical_sha256":"734061eea5329ca33a4106ef16c4d42858982adec94d664b2fd208d86a1ac8b3","source":{"kind":"arxiv","id":"1811.06306","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06306","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06306v1","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06306","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"pith_short_12","alias_value":"ONAGD3VFGKOK","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"ONAGD3VFGKOKGOSB","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"ONAGD3VF","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ONAGD3VFGKOKGOSBA3XRNRGUFB","target":"record","payload":{"canonical_record":{"source":{"id":"1811.06306","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T11:53:37Z","cross_cats_sorted":[],"title_canon_sha256":"11445067f25acfa035af3cb47e376c08e3f7cadd734873eee073e9812e44639e","abstract_canon_sha256":"4e60671acb515b578a54406cfa84908a14335317f92936029cea41865dd01da3"},"schema_version":"1.0"},"canonical_sha256":"734061eea5329ca33a4106ef16c4d42858982adec94d664b2fd208d86a1ac8b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:38.078729Z","signature_b64":"FVJvN/YeAHExg6sN55HbdeZm5spTNByLIxsbWFlNte8bNhnIfvNk2vrkD4Y0oOsOJ8n3VKKtK5HjAeyjBNukBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"734061eea5329ca33a4106ef16c4d42858982adec94d664b2fd208d86a1ac8b3","last_reissued_at":"2026-05-18T00:00:38.078261Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:38.078261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.06306","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":"2026-05-18T00:00:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UaNzHqk7KXccp85x0vSaBAS4Z6Dlz6rcaK5rmP0g35UTB8xN3kbrksZiMURACojRfvuN8SQHJ1c5JZdfip0ACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:57:03.055346Z"},"content_sha256":"938ce693da04888e6245e8fb14ce30d0d7a4af24e5d40208f5ee49f2ae7257ca","schema_version":"1.0","event_id":"sha256:938ce693da04888e6245e8fb14ce30d0d7a4af24e5d40208f5ee49f2ae7257ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ONAGD3VFGKOKGOSBA3XRNRGUFB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermopower evolution in Yb(Rh$_{1-x}$Co$_x$)$_2$Si$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. Geibel, C. Klingner, C. Krellner, F. Steglich, U. Stockert, V. Zlati\\'c","submitted_at":"2018-11-15T11:53:37Z","abstract_excerpt":"We present thermopower measurements on Yb(Rh$_{1-x}$Co$_x$)$_2$Si$_2$. Upon Co substitution the Kondo temperature is decreasing and the single large thermopower minimum observed for YbRh$_2$Si$_2$ splits into two minima. Simultaneously, the absolute thermopower values are strongly reduced due to a weaker exchange coupling between the $4f$ and the conduction electron states with increasing $x$. Pure YbCo$_2$Si$_2$ is considered a stable, trivalent system. Nevertheless, we still observe two minima in the thermopower indicative of weak residual Kondo scattering. This is in line with results from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06306","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":"2026-05-18T00:00:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"evKKV/JwWtOe95loXOuslYDHVYmbH/VqsxaXX0Q3PbpRDwmyh8qe5JBIaJHWh855vOuJ6ZbVBx6+am8MBCr0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:57:03.056149Z"},"content_sha256":"94acf72813c37c6e869993f785236b4e59e7567bb80f8b1ad08be3c9776fdba7","schema_version":"1.0","event_id":"sha256:94acf72813c37c6e869993f785236b4e59e7567bb80f8b1ad08be3c9776fdba7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ONAGD3VFGKOKGOSBA3XRNRGUFB/bundle.json","state_url":"https://pith.science/pith/ONAGD3VFGKOKGOSBA3XRNRGUFB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ONAGD3VFGKOKGOSBA3XRNRGUFB/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":"2026-06-01T01:57:03Z","links":{"resolver":"https://pith.science/pith/ONAGD3VFGKOKGOSBA3XRNRGUFB","bundle":"https://pith.science/pith/ONAGD3VFGKOKGOSBA3XRNRGUFB/bundle.json","state":"https://pith.science/pith/ONAGD3VFGKOKGOSBA3XRNRGUFB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ONAGD3VFGKOKGOSBA3XRNRGUFB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ONAGD3VFGKOKGOSBA3XRNRGUFB","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":"4e60671acb515b578a54406cfa84908a14335317f92936029cea41865dd01da3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T11:53:37Z","title_canon_sha256":"11445067f25acfa035af3cb47e376c08e3f7cadd734873eee073e9812e44639e"},"schema_version":"1.0","source":{"id":"1811.06306","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06306","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06306v1","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06306","created_at":"2026-05-18T00:00:38Z"},{"alias_kind":"pith_short_12","alias_value":"ONAGD3VFGKOK","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"ONAGD3VFGKOKGOSB","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"ONAGD3VF","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:94acf72813c37c6e869993f785236b4e59e7567bb80f8b1ad08be3c9776fdba7","target":"graph","created_at":"2026-05-18T00:00:38Z","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":"We present thermopower measurements on Yb(Rh$_{1-x}$Co$_x$)$_2$Si$_2$. Upon Co substitution the Kondo temperature is decreasing and the single large thermopower minimum observed for YbRh$_2$Si$_2$ splits into two minima. Simultaneously, the absolute thermopower values are strongly reduced due to a weaker exchange coupling between the $4f$ and the conduction electron states with increasing $x$. Pure YbCo$_2$Si$_2$ is considered a stable, trivalent system. Nevertheless, we still observe two minima in the thermopower indicative of weak residual Kondo scattering. This is in line with results from ","authors_text":"C. Geibel, C. Klingner, C. Krellner, F. Steglich, U. Stockert, V. Zlati\\'c","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T11:53:37Z","title":"Thermopower evolution in Yb(Rh$_{1-x}$Co$_x$)$_2$Si$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06306","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":"sha256:938ce693da04888e6245e8fb14ce30d0d7a4af24e5d40208f5ee49f2ae7257ca","target":"record","created_at":"2026-05-18T00:00:38Z","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":"4e60671acb515b578a54406cfa84908a14335317f92936029cea41865dd01da3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-11-15T11:53:37Z","title_canon_sha256":"11445067f25acfa035af3cb47e376c08e3f7cadd734873eee073e9812e44639e"},"schema_version":"1.0","source":{"id":"1811.06306","kind":"arxiv","version":1}},"canonical_sha256":"734061eea5329ca33a4106ef16c4d42858982adec94d664b2fd208d86a1ac8b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"734061eea5329ca33a4106ef16c4d42858982adec94d664b2fd208d86a1ac8b3","first_computed_at":"2026-05-18T00:00:38.078261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:38.078261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FVJvN/YeAHExg6sN55HbdeZm5spTNByLIxsbWFlNte8bNhnIfvNk2vrkD4Y0oOsOJ8n3VKKtK5HjAeyjBNukBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:38.078729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.06306","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:938ce693da04888e6245e8fb14ce30d0d7a4af24e5d40208f5ee49f2ae7257ca","sha256:94acf72813c37c6e869993f785236b4e59e7567bb80f8b1ad08be3c9776fdba7"],"state_sha256":"e5cf660fcb4a51c79731da5887537a252d0325f7e6d411d263fa1ec552b85d3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"02/scjtp42qp8AL2X0xqec+QpxqF5sCsWc8JBQZYS/cO5Mw1jfu/7nknrwnXqDh4OmUa8aNvg3Fx6a0qtppPDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T01:57:03.060859Z","bundle_sha256":"0e1a6b3d90e8d8d143ee8b02027444e6f9114d0de5c5803bd8e23eea804f79c2"}}