{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:K5OZKHGVFMUPAXAW6JTA7TSKWE","short_pith_number":"pith:K5OZKHGV","canonical_record":{"source":{"id":"1203.1865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-08T17:53:34Z","cross_cats_sorted":[],"title_canon_sha256":"0cf0b6ee8529b4655d1f6e8d0e5417897897127e3fb9d64fa617dfac1c0aac55","abstract_canon_sha256":"0680e2a7fd49e0811494f2340c4d77ab8a658e3b3257c165f4237138719c9716"},"schema_version":"1.0"},"canonical_sha256":"575d951cd52b28f05c16f2660fce4ab10ad1df9d35aa81f88bc6d58cb4be3cd6","source":{"kind":"arxiv","id":"1203.1865","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1865","created_at":"2026-05-18T04:00:36Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1865v1","created_at":"2026-05-18T04:00:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1865","created_at":"2026-05-18T04:00:36Z"},{"alias_kind":"pith_short_12","alias_value":"K5OZKHGVFMUP","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"K5OZKHGVFMUPAXAW","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"K5OZKHGV","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:K5OZKHGVFMUPAXAW6JTA7TSKWE","target":"record","payload":{"canonical_record":{"source":{"id":"1203.1865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-08T17:53:34Z","cross_cats_sorted":[],"title_canon_sha256":"0cf0b6ee8529b4655d1f6e8d0e5417897897127e3fb9d64fa617dfac1c0aac55","abstract_canon_sha256":"0680e2a7fd49e0811494f2340c4d77ab8a658e3b3257c165f4237138719c9716"},"schema_version":"1.0"},"canonical_sha256":"575d951cd52b28f05c16f2660fce4ab10ad1df9d35aa81f88bc6d58cb4be3cd6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:36.742607Z","signature_b64":"kV2jDCt25KJ5OGNj3pA7okFpzZk2K/LcYNptPspN4ZVR/sRdi7KNXzNMLGR2OTG8nQ4w4VXyTUrTA5u+c3U0Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"575d951cd52b28f05c16f2660fce4ab10ad1df9d35aa81f88bc6d58cb4be3cd6","last_reissued_at":"2026-05-18T04:00:36.741833Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:36.741833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.1865","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":"2026-05-18T04:00:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wAtjULgTCz7olTRkIBydHdQezoWrJXjgs/+oNaGFQgQpHB9G8HZuDefB0EKJYSEAxGNGR2ps+YG1R5dOXvpKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:20:35.705992Z"},"content_sha256":"6de3cb0cb349b152a37e852d6c3f6a8bbb7250e4ad7dad19e94ffee20eec7b05","schema_version":"1.0","event_id":"sha256:6de3cb0cb349b152a37e852d6c3f6a8bbb7250e4ad7dad19e94ffee20eec7b05"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:K5OZKHGVFMUPAXAW6JTA7TSKWE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tuning the Eu valence in EuPd_3B_x: pressure versus valence electron count - a combined computational and experimental study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Leithe-Jasper, A. Trapananti, C. Strohm, G. Aquilanti, H. Rosner, K. Meier, M. Hanfland, M. Schmitt, R. Gumeniuk, U. Schwarz, W. Schnelle","submitted_at":"2012-03-08T17:53:34Z","abstract_excerpt":"In a joint theoretical and experimental study we investigate the pressure dependence of the Eu valence in EuPd_3B_x (0 <= x <= 1). Density functional band structure calculations are combined with x-ray absorption and x-ray diffraction measurements under hydrostatic pressures up to 30 GPa. It is observed that the heterogenous mixed-valence state of Eu in EuPd_3B_x (x >= 0.2) can be suppressed partially in this pressure range. From the complementary measurements we conclude that the valence change in EuPd_3B_x is mainly driven by the number of additional valence electrons due to the insertion of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1865","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":"2026-05-18T04:00:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zMokNyQi64AEr2gh83IHS4zwwrjm0KsG8IqqRFTaRMp0VkPpHlKLNlDibC0akacqGeNgPJtQQaUCTEbAtWAwDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:20:35.706345Z"},"content_sha256":"71d706d37737f571410f7f3a4dae6d051c1d88000e2e472f5346395ab418563e","schema_version":"1.0","event_id":"sha256:71d706d37737f571410f7f3a4dae6d051c1d88000e2e472f5346395ab418563e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K5OZKHGVFMUPAXAW6JTA7TSKWE/bundle.json","state_url":"https://pith.science/pith/K5OZKHGVFMUPAXAW6JTA7TSKWE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K5OZKHGVFMUPAXAW6JTA7TSKWE/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":"2026-05-30T12:20:35Z","links":{"resolver":"https://pith.science/pith/K5OZKHGVFMUPAXAW6JTA7TSKWE","bundle":"https://pith.science/pith/K5OZKHGVFMUPAXAW6JTA7TSKWE/bundle.json","state":"https://pith.science/pith/K5OZKHGVFMUPAXAW6JTA7TSKWE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K5OZKHGVFMUPAXAW6JTA7TSKWE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:K5OZKHGVFMUPAXAW6JTA7TSKWE","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":"0680e2a7fd49e0811494f2340c4d77ab8a658e3b3257c165f4237138719c9716","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-08T17:53:34Z","title_canon_sha256":"0cf0b6ee8529b4655d1f6e8d0e5417897897127e3fb9d64fa617dfac1c0aac55"},"schema_version":"1.0","source":{"id":"1203.1865","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1865","created_at":"2026-05-18T04:00:36Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1865v1","created_at":"2026-05-18T04:00:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1865","created_at":"2026-05-18T04:00:36Z"},{"alias_kind":"pith_short_12","alias_value":"K5OZKHGVFMUP","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"K5OZKHGVFMUPAXAW","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"K5OZKHGV","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:71d706d37737f571410f7f3a4dae6d051c1d88000e2e472f5346395ab418563e","target":"graph","created_at":"2026-05-18T04:00:36Z","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"},"paper":{"abstract_excerpt":"In a joint theoretical and experimental study we investigate the pressure dependence of the Eu valence in EuPd_3B_x (0 <= x <= 1). Density functional band structure calculations are combined with x-ray absorption and x-ray diffraction measurements under hydrostatic pressures up to 30 GPa. It is observed that the heterogenous mixed-valence state of Eu in EuPd_3B_x (x >= 0.2) can be suppressed partially in this pressure range. From the complementary measurements we conclude that the valence change in EuPd_3B_x is mainly driven by the number of additional valence electrons due to the insertion of","authors_text":"A. Leithe-Jasper, A. Trapananti, C. Strohm, G. Aquilanti, H. Rosner, K. Meier, M. Hanfland, M. Schmitt, R. Gumeniuk, U. Schwarz, W. Schnelle","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-08T17:53:34Z","title":"Tuning the Eu valence in EuPd_3B_x: pressure versus valence electron count - a combined computational and experimental study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1865","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":"sha256:6de3cb0cb349b152a37e852d6c3f6a8bbb7250e4ad7dad19e94ffee20eec7b05","target":"record","created_at":"2026-05-18T04:00:36Z","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":"0680e2a7fd49e0811494f2340c4d77ab8a658e3b3257c165f4237138719c9716","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-08T17:53:34Z","title_canon_sha256":"0cf0b6ee8529b4655d1f6e8d0e5417897897127e3fb9d64fa617dfac1c0aac55"},"schema_version":"1.0","source":{"id":"1203.1865","kind":"arxiv","version":1}},"canonical_sha256":"575d951cd52b28f05c16f2660fce4ab10ad1df9d35aa81f88bc6d58cb4be3cd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"575d951cd52b28f05c16f2660fce4ab10ad1df9d35aa81f88bc6d58cb4be3cd6","first_computed_at":"2026-05-18T04:00:36.741833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:00:36.741833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kV2jDCt25KJ5OGNj3pA7okFpzZk2K/LcYNptPspN4ZVR/sRdi7KNXzNMLGR2OTG8nQ4w4VXyTUrTA5u+c3U0Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T04:00:36.742607Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.1865","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6de3cb0cb349b152a37e852d6c3f6a8bbb7250e4ad7dad19e94ffee20eec7b05","sha256:71d706d37737f571410f7f3a4dae6d051c1d88000e2e472f5346395ab418563e"],"state_sha256":"17805d7605dc75765a0080832e5fbfd5399b59df82fc58c3489d9d5d7288eacd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sxi2fXZAVc3Pxtdr1scyBkmpyoVkLzM3NuPYxlkruWLwCF/bCBrXJ60NVX3WgD6gS8xHryBEyjicpVM4Tt8ECg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:20:35.708998Z","bundle_sha256":"047da013140f981dca1177765eb8d3407d84ca5ef7e5dfdd60644936653ed271"}}