{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IH47MBA6CTL7IZ3VZILCS4BTQH","short_pith_number":"pith:IH47MBA6","canonical_record":{"source":{"id":"1304.6512","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-24T08:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"4053a0bc12bb942606bb181d4da2fe6b59e7ad0bf2b1db77646690babf1d4998","abstract_canon_sha256":"12fa70aaf2026dacce8019012b1bb6328744aa76fd2102b2d5f2a5ddf494956c"},"schema_version":"1.0"},"canonical_sha256":"41f9f6041e14d7f46775ca1629703381da4e162a50e64bae736b8082ed4bb8bd","source":{"kind":"arxiv","id":"1304.6512","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6512","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6512v1","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6512","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"IH47MBA6CTL7","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IH47MBA6CTL7IZ3V","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IH47MBA6","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IH47MBA6CTL7IZ3VZILCS4BTQH","target":"record","payload":{"canonical_record":{"source":{"id":"1304.6512","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-24T08:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"4053a0bc12bb942606bb181d4da2fe6b59e7ad0bf2b1db77646690babf1d4998","abstract_canon_sha256":"12fa70aaf2026dacce8019012b1bb6328744aa76fd2102b2d5f2a5ddf494956c"},"schema_version":"1.0"},"canonical_sha256":"41f9f6041e14d7f46775ca1629703381da4e162a50e64bae736b8082ed4bb8bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:22.691720Z","signature_b64":"LoC7h3l//8oN9YXo9xLafiN8O8IEFX0E33DtJ3ElX0xbZEYBsjMKpbBKb3DLUaOnOrHn7i3LUdcsLLNQJMo2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41f9f6041e14d7f46775ca1629703381da4e162a50e64bae736b8082ed4bb8bd","last_reissued_at":"2026-05-18T01:50:22.690996Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:22.690996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.6512","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":"2026-05-18T01:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T5+x740gkVGwtnNZKQNbJ/FuhcvnwejU00yxJ37XUMsAlSeo9rCsGZeIQwHHG3FGtGZIOPoK8LvgYUqq4k38Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:01:41.208011Z"},"content_sha256":"de2cc4077851ead39bcfbcdc288f04fed1626266ac46aca1acaa447c2506acf9","schema_version":"1.0","event_id":"sha256:de2cc4077851ead39bcfbcdc288f04fed1626266ac46aca1acaa447c2506acf9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IH47MBA6CTL7IZ3VZILCS4BTQH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low temperature ferromagnetism, surface paramagnetism and exchange bias effect in nano-grained alpha-Fe1.4Ga0.6O3 oxide","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Ghosh, N. Naresh, R.N. Bhowmik, S. Banerjee","submitted_at":"2013-04-24T08:44:09Z","abstract_excerpt":"The compound alpha-Fe1.4Ga0.6O3 has been prepared by mechanical alloying of alpha-Fe2O3 and Ga2O3 and subsequent heating of the mechanical alloyed samples in vacuum condition. Magnetic ordering of alpha-Fe2O3 has been modified by substitution of non-magnetic Ga atoms. The ferromagnetism in alpha-Fe1.4Ga0.6O3 is more soft and enhanced in comparison to alpha-Fe2O3. M\\\"ossbauer spectroscopy also confirmed enhanced ferromagnetic order in alpha-Fe1.4Ga0.6O3. The room temperature soft ferromagnetism by Ga substitution is interesting for designing alpha-Fe2O3 based unconventional ferromagnet, which i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6512","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":"2026-05-18T01:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lfRv2ySweW/g6DFrUCgPbVdr2EC0YZeKIpkxomITawMpMLK7EF2f3bkMuhnQAwS0tvAC2+YKR8KoC2XMJnOzAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:01:41.208370Z"},"content_sha256":"3ddb2cc6c46ae4775883df6511e5f8f9ae49e5c61db44505c7995e5ee8603bc5","schema_version":"1.0","event_id":"sha256:3ddb2cc6c46ae4775883df6511e5f8f9ae49e5c61db44505c7995e5ee8603bc5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IH47MBA6CTL7IZ3VZILCS4BTQH/bundle.json","state_url":"https://pith.science/pith/IH47MBA6CTL7IZ3VZILCS4BTQH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IH47MBA6CTL7IZ3VZILCS4BTQH/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":"2026-05-28T16:01:41Z","links":{"resolver":"https://pith.science/pith/IH47MBA6CTL7IZ3VZILCS4BTQH","bundle":"https://pith.science/pith/IH47MBA6CTL7IZ3VZILCS4BTQH/bundle.json","state":"https://pith.science/pith/IH47MBA6CTL7IZ3VZILCS4BTQH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IH47MBA6CTL7IZ3VZILCS4BTQH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IH47MBA6CTL7IZ3VZILCS4BTQH","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":"12fa70aaf2026dacce8019012b1bb6328744aa76fd2102b2d5f2a5ddf494956c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-24T08:44:09Z","title_canon_sha256":"4053a0bc12bb942606bb181d4da2fe6b59e7ad0bf2b1db77646690babf1d4998"},"schema_version":"1.0","source":{"id":"1304.6512","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6512","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6512v1","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6512","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"IH47MBA6CTL7","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IH47MBA6CTL7IZ3V","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IH47MBA6","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:3ddb2cc6c46ae4775883df6511e5f8f9ae49e5c61db44505c7995e5ee8603bc5","target":"graph","created_at":"2026-05-18T01:50:22Z","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":"The compound alpha-Fe1.4Ga0.6O3 has been prepared by mechanical alloying of alpha-Fe2O3 and Ga2O3 and subsequent heating of the mechanical alloyed samples in vacuum condition. Magnetic ordering of alpha-Fe2O3 has been modified by substitution of non-magnetic Ga atoms. The ferromagnetism in alpha-Fe1.4Ga0.6O3 is more soft and enhanced in comparison to alpha-Fe2O3. M\\\"ossbauer spectroscopy also confirmed enhanced ferromagnetic order in alpha-Fe1.4Ga0.6O3. The room temperature soft ferromagnetism by Ga substitution is interesting for designing alpha-Fe2O3 based unconventional ferromagnet, which i","authors_text":"B. Ghosh, N. Naresh, R.N. Bhowmik, S. Banerjee","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-24T08:44:09Z","title":"Low temperature ferromagnetism, surface paramagnetism and exchange bias effect in nano-grained alpha-Fe1.4Ga0.6O3 oxide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6512","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:de2cc4077851ead39bcfbcdc288f04fed1626266ac46aca1acaa447c2506acf9","target":"record","created_at":"2026-05-18T01:50:22Z","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":"12fa70aaf2026dacce8019012b1bb6328744aa76fd2102b2d5f2a5ddf494956c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-24T08:44:09Z","title_canon_sha256":"4053a0bc12bb942606bb181d4da2fe6b59e7ad0bf2b1db77646690babf1d4998"},"schema_version":"1.0","source":{"id":"1304.6512","kind":"arxiv","version":1}},"canonical_sha256":"41f9f6041e14d7f46775ca1629703381da4e162a50e64bae736b8082ed4bb8bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41f9f6041e14d7f46775ca1629703381da4e162a50e64bae736b8082ed4bb8bd","first_computed_at":"2026-05-18T01:50:22.690996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:22.690996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LoC7h3l//8oN9YXo9xLafiN8O8IEFX0E33DtJ3ElX0xbZEYBsjMKpbBKb3DLUaOnOrHn7i3LUdcsLLNQJMo2BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:22.691720Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.6512","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de2cc4077851ead39bcfbcdc288f04fed1626266ac46aca1acaa447c2506acf9","sha256:3ddb2cc6c46ae4775883df6511e5f8f9ae49e5c61db44505c7995e5ee8603bc5"],"state_sha256":"24fbfafc07c2381178f270962e82cbe7b5d6ebb42aab57fa7038cfc87bbb1b63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+lYGwP3kok5J5qsKGNM2Z5GawoFLGghGCzQ17Is2aICaEhB779xDS5fsEQ7MJ8k3T5WFhmH4AgQF8wWqnsI7Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:01:41.210483Z","bundle_sha256":"b2ea81b35da85f59fb9129a4a6bf38058a1b7210d6af8a8430d80ddb045cd387"}}