{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:GFLGABBCUVHZRDH7REYICRVGFP","short_pith_number":"pith:GFLGABBC","canonical_record":{"source":{"id":"1102.4259","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-21T15:45:35Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"010ff0749d453c92749f1436c439e26c57304b51820242755fb2239b628dba0e","abstract_canon_sha256":"1e3c58833efdfe3e95ace237c200befc8bf762bcb0e15540fc32d2298e869ebb"},"schema_version":"1.0"},"canonical_sha256":"3156600422a54f988cff89308146a62bd8288be82760e136544ead8bd66fedee","source":{"kind":"arxiv","id":"1102.4259","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4259","created_at":"2026-05-18T02:03:07Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4259v1","created_at":"2026-05-18T02:03:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4259","created_at":"2026-05-18T02:03:07Z"},{"alias_kind":"pith_short_12","alias_value":"GFLGABBCUVHZ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"GFLGABBCUVHZRDH7","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"GFLGABBC","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:GFLGABBCUVHZRDH7REYICRVGFP","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4259","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-21T15:45:35Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"010ff0749d453c92749f1436c439e26c57304b51820242755fb2239b628dba0e","abstract_canon_sha256":"1e3c58833efdfe3e95ace237c200befc8bf762bcb0e15540fc32d2298e869ebb"},"schema_version":"1.0"},"canonical_sha256":"3156600422a54f988cff89308146a62bd8288be82760e136544ead8bd66fedee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:07.016904Z","signature_b64":"Dghh1AjM37C55HALSUorsaOfkCLNQfYvnyWhtE51ODdBMEg/WhQUT57S+RLwewJVuREBY2/E/peoyDkBS2j3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3156600422a54f988cff89308146a62bd8288be82760e136544ead8bd66fedee","last_reissued_at":"2026-05-18T02:03:07.016292Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:07.016292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4259","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":"2026-05-18T02:03:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wylb6ZiduaMh0E/glRjX1IrDoxYS1bHycsdsEk0eZE3ITriloQCa6JkS9DW1vpAHbhvms+LyT2Y73p+nQLWcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:10:54.827211Z"},"content_sha256":"40af9621d0ea555d9765f59eaba0f9ed1efd72674e54c3bb788b41951314cecb","schema_version":"1.0","event_id":"sha256:40af9621d0ea555d9765f59eaba0f9ed1efd72674e54c3bb788b41951314cecb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:GFLGABBCUVHZRDH7REYICRVGFP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large Magnetoresistance and Spin-Polarized Heavy-Mass Electron State in a Doped Valence Bond Solid (Ti1-xVx)2O3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"M. Uchida, Y. Onose, Y. Tokura","submitted_at":"2011-02-21T15:45:35Z","abstract_excerpt":"A heavy-mass electron state is realized in a doped valence bond solid (Ti1-xVx)2O3. In this system, itinerant holes mediate the mainly ferromagnetic RKKY interaction between the localized magnetic moments and become readily spin-polarized under a magnetic field, while showing large negative magnetoresistance. In spite of the ferromagnetic interaction among the carriers, their effective mass is found to be 1 or 2 orders of magnitude larger than that of usual doped semiconductors. Such strong mass renormalization is ascribable to the polaron formation on the Ti-dimer, where the spin-singlet stat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4259","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":"2026-05-18T02:03:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eZoQnwVYIhtX6IGBsrpJEtiVVbRC7c5MQsEFmAcYsgDJNMXIk8MOH+QZvwNhOYAW7uqZwh+CVybjmCynYK3oDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:10:54.827760Z"},"content_sha256":"363951277f445b150ee4dd2b573123f0893f27292c72b80785d2da13ffdc5eb2","schema_version":"1.0","event_id":"sha256:363951277f445b150ee4dd2b573123f0893f27292c72b80785d2da13ffdc5eb2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GFLGABBCUVHZRDH7REYICRVGFP/bundle.json","state_url":"https://pith.science/pith/GFLGABBCUVHZRDH7REYICRVGFP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GFLGABBCUVHZRDH7REYICRVGFP/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":"2026-06-05T12:10:54Z","links":{"resolver":"https://pith.science/pith/GFLGABBCUVHZRDH7REYICRVGFP","bundle":"https://pith.science/pith/GFLGABBCUVHZRDH7REYICRVGFP/bundle.json","state":"https://pith.science/pith/GFLGABBCUVHZRDH7REYICRVGFP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GFLGABBCUVHZRDH7REYICRVGFP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:GFLGABBCUVHZRDH7REYICRVGFP","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":"1e3c58833efdfe3e95ace237c200befc8bf762bcb0e15540fc32d2298e869ebb","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-21T15:45:35Z","title_canon_sha256":"010ff0749d453c92749f1436c439e26c57304b51820242755fb2239b628dba0e"},"schema_version":"1.0","source":{"id":"1102.4259","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4259","created_at":"2026-05-18T02:03:07Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4259v1","created_at":"2026-05-18T02:03:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4259","created_at":"2026-05-18T02:03:07Z"},{"alias_kind":"pith_short_12","alias_value":"GFLGABBCUVHZ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"GFLGABBCUVHZRDH7","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"GFLGABBC","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:363951277f445b150ee4dd2b573123f0893f27292c72b80785d2da13ffdc5eb2","target":"graph","created_at":"2026-05-18T02:03:07Z","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":"A heavy-mass electron state is realized in a doped valence bond solid (Ti1-xVx)2O3. In this system, itinerant holes mediate the mainly ferromagnetic RKKY interaction between the localized magnetic moments and become readily spin-polarized under a magnetic field, while showing large negative magnetoresistance. In spite of the ferromagnetic interaction among the carriers, their effective mass is found to be 1 or 2 orders of magnitude larger than that of usual doped semiconductors. Such strong mass renormalization is ascribable to the polaron formation on the Ti-dimer, where the spin-singlet stat","authors_text":"M. Uchida, Y. Onose, Y. Tokura","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-21T15:45:35Z","title":"Large Magnetoresistance and Spin-Polarized Heavy-Mass Electron State in a Doped Valence Bond Solid (Ti1-xVx)2O3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4259","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":"sha256:40af9621d0ea555d9765f59eaba0f9ed1efd72674e54c3bb788b41951314cecb","target":"record","created_at":"2026-05-18T02:03:07Z","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":"1e3c58833efdfe3e95ace237c200befc8bf762bcb0e15540fc32d2298e869ebb","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-21T15:45:35Z","title_canon_sha256":"010ff0749d453c92749f1436c439e26c57304b51820242755fb2239b628dba0e"},"schema_version":"1.0","source":{"id":"1102.4259","kind":"arxiv","version":1}},"canonical_sha256":"3156600422a54f988cff89308146a62bd8288be82760e136544ead8bd66fedee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3156600422a54f988cff89308146a62bd8288be82760e136544ead8bd66fedee","first_computed_at":"2026-05-18T02:03:07.016292Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:07.016292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Dghh1AjM37C55HALSUorsaOfkCLNQfYvnyWhtE51ODdBMEg/WhQUT57S+RLwewJVuREBY2/E/peoyDkBS2j3Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:07.016904Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4259","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40af9621d0ea555d9765f59eaba0f9ed1efd72674e54c3bb788b41951314cecb","sha256:363951277f445b150ee4dd2b573123f0893f27292c72b80785d2da13ffdc5eb2"],"state_sha256":"963aeef17209e52f414c2599bd58b3e9705325541bef7c1783443af332f6c58a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xTcT2Wfnujar6WrAGtkOkucby2ulTQsOufFcVve8m+lAwlLDz5exBrY+VAVSkQNIOfNZNaASCaBK5KnABbG/DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T12:10:54.830566Z","bundle_sha256":"a2d2b8b39917adb785ef33c3e360ed9306cb062204d5cfbda7ae028157742f53"}}