{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:MNPLAW4SKB2HIUVSAHO4O5VV3U","short_pith_number":"pith:MNPLAW4S","canonical_record":{"source":{"id":"1311.0520","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-03T20:44:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5a6f518fda1139e120bf69b8fae7ece6d625dac1620762f94829f35c1bffe171","abstract_canon_sha256":"f8fdddb2767e1cdde4927cfc429532d604eb8d10f5487640aab37ae51ec09f10"},"schema_version":"1.0"},"canonical_sha256":"635eb05b9250747452b201ddc776b5dd2fc3e518d33f80c7ce356bb528c2a546","source":{"kind":"arxiv","id":"1311.0520","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0520","created_at":"2026-05-18T02:49:09Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0520v4","created_at":"2026-05-18T02:49:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0520","created_at":"2026-05-18T02:49:09Z"},{"alias_kind":"pith_short_12","alias_value":"MNPLAW4SKB2H","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MNPLAW4SKB2HIUVS","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MNPLAW4S","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:MNPLAW4SKB2HIUVSAHO4O5VV3U","target":"record","payload":{"canonical_record":{"source":{"id":"1311.0520","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-03T20:44:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5a6f518fda1139e120bf69b8fae7ece6d625dac1620762f94829f35c1bffe171","abstract_canon_sha256":"f8fdddb2767e1cdde4927cfc429532d604eb8d10f5487640aab37ae51ec09f10"},"schema_version":"1.0"},"canonical_sha256":"635eb05b9250747452b201ddc776b5dd2fc3e518d33f80c7ce356bb528c2a546","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:09.909525Z","signature_b64":"fS9nIQIe5A+j05eGMphE5qEXJri3SiIOj5D54MjRHuQEfSM2U+EVLR+37b+nnBFOAEjbSYEuK55CcXgft7eTAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"635eb05b9250747452b201ddc776b5dd2fc3e518d33f80c7ce356bb528c2a546","last_reissued_at":"2026-05-18T02:49:09.909094Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:09.909094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.0520","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:49:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GWWfGU+fQZ+Q5J5xNpzCIt8KUiB28W0f3QdWoxUsK+pvnkrQBHLHwJCWouzOj85cRti+NTCz+3uYX6IDtd4KDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:09:03.636498Z"},"content_sha256":"0e8fb8982706b0836679a2239f03ddd8dec5b58c5661dd5ba60e4a1f68b400c2","schema_version":"1.0","event_id":"sha256:0e8fb8982706b0836679a2239f03ddd8dec5b58c5661dd5ba60e4a1f68b400c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:MNPLAW4SKB2HIUVSAHO4O5VV3U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thickness-dependent ferromagnetic metal to paramagnetic insulator transition in La$_{0.6}$Sr$_{0.4}$MnO$_3$ thin films studied by x-ray magnetic circular dichroism","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Akihito Sawa, Atsushi Fujimori, Enju Sakai, Goro Shibata, Hiroshi Kumigashira, Hiroshi Yamagami, Keisuke Ishigami, Kohei Yoshimatsu, Masaharu Oshima, Takayuki Harano, Tetsuo Okane, Toshiharu Kadono, Tsuneharu Koide, Vijay Raj Singh, Virendra Kumar Verma, Yuji Saitoh, Yukiharu Takeda","submitted_at":"2013-11-03T20:44:41Z","abstract_excerpt":"Metallic transition-metal oxides undergo a metal-to-insulator transition (MIT) as the film thickness decreases across a ritical thickness of several monolayers (MLs), but its driving mechanism remains controversial. We have studied the thickness-dependent MIT of the ferromagnetic metal La$_{0.6}$Sr$_{0.4}$MnO$_3$ by x-ray absorption spectroscopy and x-ray magnetic circular dichroism. As the film thickness was decreased across the critical thickness of the MIT (6-8 ML), a gradual decrease of the ferromagnetic signals and a concomitant increase of paramagnetic signals were observed, while the Mn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0520","kind":"arxiv","version":4},"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":"2026-05-18T02:49:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f+8KwmJef1+Jwq/NEBbf6E2vowncHKSjrGrm3pbGSm6RRxpYUakCy/W8dzOzA2JlckDuOYph/RpW0K/HODcbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:09:03.637188Z"},"content_sha256":"89377144d13c0f3b474fd49c8d5dc7b1945f0d4420cd785f157d6af3f0b7e4e4","schema_version":"1.0","event_id":"sha256:89377144d13c0f3b474fd49c8d5dc7b1945f0d4420cd785f157d6af3f0b7e4e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MNPLAW4SKB2HIUVSAHO4O5VV3U/bundle.json","state_url":"https://pith.science/pith/MNPLAW4SKB2HIUVSAHO4O5VV3U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MNPLAW4SKB2HIUVSAHO4O5VV3U/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":"2026-05-25T22:09:03Z","links":{"resolver":"https://pith.science/pith/MNPLAW4SKB2HIUVSAHO4O5VV3U","bundle":"https://pith.science/pith/MNPLAW4SKB2HIUVSAHO4O5VV3U/bundle.json","state":"https://pith.science/pith/MNPLAW4SKB2HIUVSAHO4O5VV3U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MNPLAW4SKB2HIUVSAHO4O5VV3U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MNPLAW4SKB2HIUVSAHO4O5VV3U","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":"f8fdddb2767e1cdde4927cfc429532d604eb8d10f5487640aab37ae51ec09f10","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-03T20:44:41Z","title_canon_sha256":"5a6f518fda1139e120bf69b8fae7ece6d625dac1620762f94829f35c1bffe171"},"schema_version":"1.0","source":{"id":"1311.0520","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0520","created_at":"2026-05-18T02:49:09Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0520v4","created_at":"2026-05-18T02:49:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0520","created_at":"2026-05-18T02:49:09Z"},{"alias_kind":"pith_short_12","alias_value":"MNPLAW4SKB2H","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MNPLAW4SKB2HIUVS","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MNPLAW4S","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:89377144d13c0f3b474fd49c8d5dc7b1945f0d4420cd785f157d6af3f0b7e4e4","target":"graph","created_at":"2026-05-18T02:49:09Z","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":"Metallic transition-metal oxides undergo a metal-to-insulator transition (MIT) as the film thickness decreases across a ritical thickness of several monolayers (MLs), but its driving mechanism remains controversial. We have studied the thickness-dependent MIT of the ferromagnetic metal La$_{0.6}$Sr$_{0.4}$MnO$_3$ by x-ray absorption spectroscopy and x-ray magnetic circular dichroism. As the film thickness was decreased across the critical thickness of the MIT (6-8 ML), a gradual decrease of the ferromagnetic signals and a concomitant increase of paramagnetic signals were observed, while the Mn","authors_text":"Akihito Sawa, Atsushi Fujimori, Enju Sakai, Goro Shibata, Hiroshi Kumigashira, Hiroshi Yamagami, Keisuke Ishigami, Kohei Yoshimatsu, Masaharu Oshima, Takayuki Harano, Tetsuo Okane, Toshiharu Kadono, Tsuneharu Koide, Vijay Raj Singh, Virendra Kumar Verma, Yuji Saitoh, Yukiharu Takeda","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-03T20:44:41Z","title":"Thickness-dependent ferromagnetic metal to paramagnetic insulator transition in La$_{0.6}$Sr$_{0.4}$MnO$_3$ thin films studied by x-ray magnetic circular dichroism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0520","kind":"arxiv","version":4},"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":"sha256:0e8fb8982706b0836679a2239f03ddd8dec5b58c5661dd5ba60e4a1f68b400c2","target":"record","created_at":"2026-05-18T02:49:09Z","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":"f8fdddb2767e1cdde4927cfc429532d604eb8d10f5487640aab37ae51ec09f10","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-11-03T20:44:41Z","title_canon_sha256":"5a6f518fda1139e120bf69b8fae7ece6d625dac1620762f94829f35c1bffe171"},"schema_version":"1.0","source":{"id":"1311.0520","kind":"arxiv","version":4}},"canonical_sha256":"635eb05b9250747452b201ddc776b5dd2fc3e518d33f80c7ce356bb528c2a546","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"635eb05b9250747452b201ddc776b5dd2fc3e518d33f80c7ce356bb528c2a546","first_computed_at":"2026-05-18T02:49:09.909094Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:09.909094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fS9nIQIe5A+j05eGMphE5qEXJri3SiIOj5D54MjRHuQEfSM2U+EVLR+37b+nnBFOAEjbSYEuK55CcXgft7eTAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:09.909525Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.0520","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e8fb8982706b0836679a2239f03ddd8dec5b58c5661dd5ba60e4a1f68b400c2","sha256:89377144d13c0f3b474fd49c8d5dc7b1945f0d4420cd785f157d6af3f0b7e4e4"],"state_sha256":"b63cebd4eaead4ec60edd8924b40d949aaa9c94c64d67f7dc12d9a410df1875e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T+kT0Q+HQCGlAIPH8baM/DiodxltiRVPzesS+JqzNHeJ573d0jSpv+9hJLelkXadr9qv9NsUI9UJqcSd+eoXAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:09:03.640780Z","bundle_sha256":"9fe3c2fcd4f4b814227239aeb47dde468ab080268fab626f8285ab5467c5afc0"}}