{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LGPXRZ3AZFAIMVRK3ORSGPLD67","short_pith_number":"pith:LGPXRZ3A","canonical_record":{"source":{"id":"1206.0653","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-04T15:38:50Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"9eb6edf4883a3e83e06cc6c7c4cda5db6e699d93d8f8e5fd6ee8c70a8b4b281c","abstract_canon_sha256":"eac1badf134d6f669050524bd0f94bd735823453bb42b141f40218dd1297feb6"},"schema_version":"1.0"},"canonical_sha256":"599f78e760c94086562adba3233d63f7d1f6bde6745bc8fadbbb4b9488d6df1d","source":{"kind":"arxiv","id":"1206.0653","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0653","created_at":"2026-05-18T03:51:15Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0653v2","created_at":"2026-05-18T03:51:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0653","created_at":"2026-05-18T03:51:15Z"},{"alias_kind":"pith_short_12","alias_value":"LGPXRZ3AZFAI","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LGPXRZ3AZFAIMVRK","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LGPXRZ3A","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LGPXRZ3AZFAIMVRK3ORSGPLD67","target":"record","payload":{"canonical_record":{"source":{"id":"1206.0653","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-04T15:38:50Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"9eb6edf4883a3e83e06cc6c7c4cda5db6e699d93d8f8e5fd6ee8c70a8b4b281c","abstract_canon_sha256":"eac1badf134d6f669050524bd0f94bd735823453bb42b141f40218dd1297feb6"},"schema_version":"1.0"},"canonical_sha256":"599f78e760c94086562adba3233d63f7d1f6bde6745bc8fadbbb4b9488d6df1d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:51:15.450532Z","signature_b64":"N4C7RKkPP36BUtxVNVHHVFihgnXqtLnvM20T5LVHYUGDeHvng63XVtNwg+PxpmMz3U2LTso8Gcpo34cwnwsnBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"599f78e760c94086562adba3233d63f7d1f6bde6745bc8fadbbb4b9488d6df1d","last_reissued_at":"2026-05-18T03:51:15.450077Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:51:15.450077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.0653","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:51:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E16+lTjPJmqNrEO5DxKnrn7ODqtHdHcAmdHYGrsubKF7nZ6JG85wTfYPgPosJVPmvis2m14+nJPyB7t5FP2NCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:16:28.708120Z"},"content_sha256":"0adc23d27ab67ec34285643eb4161cfcf1df1f73dd48154671f12758d5abf7b7","schema_version":"1.0","event_id":"sha256:0adc23d27ab67ec34285643eb4161cfcf1df1f73dd48154671f12758d5abf7b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LGPXRZ3AZFAIMVRK3ORSGPLD67","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron doping evolution of the anisotropic spin excitations in BaFe2-xNixAs2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"D. T. Adroja, Huiqian Luo, Meng Wang, Pengcheng Dai, Sergey Danilkin, Shiliang Li, Thomas A. Maier, Xingye Lu, Yanchao Chen, Zahra Yamani","submitted_at":"2012-06-04T15:38:50Z","abstract_excerpt":"We use inelastic neutron scattering to systematically investigate the Ni-doping evolution of the low-energy spin excitations in BaFe2-xNixAs2 spanning from underdoped antiferromagnet to overdoped superconductor (0.03< x < 0.18). In the undoped state, the low-energy (<80 meV) spin waves of BaFe2As2 form transversely elongated ellipses in the [H, K] plane of the reciprocal space. Upon Ni-doping, the c-axis magnetic exchange coupling is rapidly suppressed and the momentum distribution of spin excitations in the [H, K] plane is enlarged in both the transverse and longitudinal directions with respe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0653","kind":"arxiv","version":2},"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":"2026-05-18T03:51:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ijLbKp9KtKkyYcXm2mszUndryy7Iil/oF/AAm8nnSMG30j66IVRINth0YYTRn3LnVI6chemq3JHauSO9xKRfAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:16:28.708545Z"},"content_sha256":"2acc489d117fac1be7026e74ca26ca715997e8d79a9db67d8358a7f7a279db4b","schema_version":"1.0","event_id":"sha256:2acc489d117fac1be7026e74ca26ca715997e8d79a9db67d8358a7f7a279db4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGPXRZ3AZFAIMVRK3ORSGPLD67/bundle.json","state_url":"https://pith.science/pith/LGPXRZ3AZFAIMVRK3ORSGPLD67/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGPXRZ3AZFAIMVRK3ORSGPLD67/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":"2026-05-30T10:16:28Z","links":{"resolver":"https://pith.science/pith/LGPXRZ3AZFAIMVRK3ORSGPLD67","bundle":"https://pith.science/pith/LGPXRZ3AZFAIMVRK3ORSGPLD67/bundle.json","state":"https://pith.science/pith/LGPXRZ3AZFAIMVRK3ORSGPLD67/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGPXRZ3AZFAIMVRK3ORSGPLD67/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LGPXRZ3AZFAIMVRK3ORSGPLD67","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":"eac1badf134d6f669050524bd0f94bd735823453bb42b141f40218dd1297feb6","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-04T15:38:50Z","title_canon_sha256":"9eb6edf4883a3e83e06cc6c7c4cda5db6e699d93d8f8e5fd6ee8c70a8b4b281c"},"schema_version":"1.0","source":{"id":"1206.0653","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0653","created_at":"2026-05-18T03:51:15Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0653v2","created_at":"2026-05-18T03:51:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0653","created_at":"2026-05-18T03:51:15Z"},{"alias_kind":"pith_short_12","alias_value":"LGPXRZ3AZFAI","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LGPXRZ3AZFAIMVRK","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LGPXRZ3A","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:2acc489d117fac1be7026e74ca26ca715997e8d79a9db67d8358a7f7a279db4b","target":"graph","created_at":"2026-05-18T03:51:15Z","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 use inelastic neutron scattering to systematically investigate the Ni-doping evolution of the low-energy spin excitations in BaFe2-xNixAs2 spanning from underdoped antiferromagnet to overdoped superconductor (0.03< x < 0.18). In the undoped state, the low-energy (<80 meV) spin waves of BaFe2As2 form transversely elongated ellipses in the [H, K] plane of the reciprocal space. Upon Ni-doping, the c-axis magnetic exchange coupling is rapidly suppressed and the momentum distribution of spin excitations in the [H, K] plane is enlarged in both the transverse and longitudinal directions with respe","authors_text":"D. T. Adroja, Huiqian Luo, Meng Wang, Pengcheng Dai, Sergey Danilkin, Shiliang Li, Thomas A. Maier, Xingye Lu, Yanchao Chen, Zahra Yamani","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-04T15:38:50Z","title":"Electron doping evolution of the anisotropic spin excitations in BaFe2-xNixAs2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0653","kind":"arxiv","version":2},"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":"sha256:0adc23d27ab67ec34285643eb4161cfcf1df1f73dd48154671f12758d5abf7b7","target":"record","created_at":"2026-05-18T03:51:15Z","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":"eac1badf134d6f669050524bd0f94bd735823453bb42b141f40218dd1297feb6","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-04T15:38:50Z","title_canon_sha256":"9eb6edf4883a3e83e06cc6c7c4cda5db6e699d93d8f8e5fd6ee8c70a8b4b281c"},"schema_version":"1.0","source":{"id":"1206.0653","kind":"arxiv","version":2}},"canonical_sha256":"599f78e760c94086562adba3233d63f7d1f6bde6745bc8fadbbb4b9488d6df1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"599f78e760c94086562adba3233d63f7d1f6bde6745bc8fadbbb4b9488d6df1d","first_computed_at":"2026-05-18T03:51:15.450077Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:15.450077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N4C7RKkPP36BUtxVNVHHVFihgnXqtLnvM20T5LVHYUGDeHvng63XVtNwg+PxpmMz3U2LTso8Gcpo34cwnwsnBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:15.450532Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.0653","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0adc23d27ab67ec34285643eb4161cfcf1df1f73dd48154671f12758d5abf7b7","sha256:2acc489d117fac1be7026e74ca26ca715997e8d79a9db67d8358a7f7a279db4b"],"state_sha256":"c994b283a78d61950ac487b2cd3cc7ef67072aa7379d254501bfd37f7ec1d19f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yq0h+keakElvP+yn7ofl7HLzapI739/mk3za3TqUALk+3uOOGs+Jom2h3D6PgRMuIVACN1i6Iuh8q0QV2pIADQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T10:16:28.710591Z","bundle_sha256":"87c0351a35bdfc3cd230659b26df48eae94013ab6f339cdac2328a0a059bfc1f"}}