{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZG6N7XPMZWTOSHVZHZV3XCMR5V","short_pith_number":"pith:ZG6N7XPM","canonical_record":{"source":{"id":"1701.03496","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-12T20:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"0d9010488eeaad6ff79b749dee79bd4b9cbf497002269a2ae0bbe4fd207e1809","abstract_canon_sha256":"4cec1fbfa1298a367ae63459457275699b8d3de784b6f9715155da48cdfb38e1"},"schema_version":"1.0"},"canonical_sha256":"c9bcdfddeccda6e91eb93e6bbb8991ed55122b80ad1f176a33f5f1eacf8bb9a6","source":{"kind":"arxiv","id":"1701.03496","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03496","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03496v1","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03496","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZG6N7XPMZWTO","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZG6N7XPMZWTOSHVZ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZG6N7XPM","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZG6N7XPMZWTOSHVZHZV3XCMR5V","target":"record","payload":{"canonical_record":{"source":{"id":"1701.03496","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-12T20:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"0d9010488eeaad6ff79b749dee79bd4b9cbf497002269a2ae0bbe4fd207e1809","abstract_canon_sha256":"4cec1fbfa1298a367ae63459457275699b8d3de784b6f9715155da48cdfb38e1"},"schema_version":"1.0"},"canonical_sha256":"c9bcdfddeccda6e91eb93e6bbb8991ed55122b80ad1f176a33f5f1eacf8bb9a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:04.556612Z","signature_b64":"fQ6oTmt1DSmTdFdi7WFwrfNQYdEpzaj0ppdWtozxyXoFLO6fqrxp4LwdF3q/vTIH7EnpNfSHN9oMGxmaji/BAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9bcdfddeccda6e91eb93e6bbb8991ed55122b80ad1f176a33f5f1eacf8bb9a6","last_reissued_at":"2026-05-18T00:47:04.556224Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:04.556224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.03496","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":"2026-05-18T00:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PnmQ8VNdY/6Rq9Geo5HIC9GHFET1RPZJhGOOHh7lFjXvymNgdBnHcZyo3eJxbKHeIdNdi+yS5+o8dVrUflPnBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:12:03.400396Z"},"content_sha256":"bc530637bef87e995ea1827de6ccb47ab927b0ebfbb9f69ecf1d948d5bb1bbe4","schema_version":"1.0","event_id":"sha256:bc530637bef87e995ea1827de6ccb47ab927b0ebfbb9f69ecf1d948d5bb1bbe4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZG6N7XPMZWTOSHVZHZV3XCMR5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Training-induced inversion of spontaneous exchange bias field on La1.5Ca0.5CoMnO6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. Grossi, E. Baggio-Saitovitch, E. M. Bittar, F. Stavale, L. Bufaical, L. T. Coutrim, P. G. Pagliuso, R. Finkler","submitted_at":"2017-01-12T20:27:29Z","abstract_excerpt":"In this work we report the synthesis and structural, electronic and magnetic properties of La1.5Ca0.5CoMnO6 double-perovskite. This is a re-entrant spin cluster material which exhibits a non-negligible negative exchange bias effect when it is cooled in zero magnetic field from an unmagnetized state down to low temperature. X-ray powder diffraction, X-ray photoelectron spectroscopy and magnetometry results indicate mixed valence state at Co site, leading to competing magnetic phases and uncompensated spins at the magnetic interfaces. We compare the results for this Ca-doped material with those "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03496","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":"2026-05-18T00:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nsSoLO9qLcSz/GaZFNIya9Fdpt1kHLn4yd7MbydRQa4xLe+stM69WSOv9+F0/zPOMONm/lgMs2++ZbpfPUuQDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:12:03.401083Z"},"content_sha256":"ce25d6175c2830ffc2cbff3558380d27ec9e2c6103d35a1cb7bc1232eb374f06","schema_version":"1.0","event_id":"sha256:ce25d6175c2830ffc2cbff3558380d27ec9e2c6103d35a1cb7bc1232eb374f06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZG6N7XPMZWTOSHVZHZV3XCMR5V/bundle.json","state_url":"https://pith.science/pith/ZG6N7XPMZWTOSHVZHZV3XCMR5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZG6N7XPMZWTOSHVZHZV3XCMR5V/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":"2026-06-07T23:12:03Z","links":{"resolver":"https://pith.science/pith/ZG6N7XPMZWTOSHVZHZV3XCMR5V","bundle":"https://pith.science/pith/ZG6N7XPMZWTOSHVZHZV3XCMR5V/bundle.json","state":"https://pith.science/pith/ZG6N7XPMZWTOSHVZHZV3XCMR5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZG6N7XPMZWTOSHVZHZV3XCMR5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZG6N7XPMZWTOSHVZHZV3XCMR5V","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":"4cec1fbfa1298a367ae63459457275699b8d3de784b6f9715155da48cdfb38e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-12T20:27:29Z","title_canon_sha256":"0d9010488eeaad6ff79b749dee79bd4b9cbf497002269a2ae0bbe4fd207e1809"},"schema_version":"1.0","source":{"id":"1701.03496","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03496","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03496v1","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03496","created_at":"2026-05-18T00:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZG6N7XPMZWTO","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZG6N7XPMZWTOSHVZ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZG6N7XPM","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:ce25d6175c2830ffc2cbff3558380d27ec9e2c6103d35a1cb7bc1232eb374f06","target":"graph","created_at":"2026-05-18T00:47:04Z","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 this work we report the synthesis and structural, electronic and magnetic properties of La1.5Ca0.5CoMnO6 double-perovskite. This is a re-entrant spin cluster material which exhibits a non-negligible negative exchange bias effect when it is cooled in zero magnetic field from an unmagnetized state down to low temperature. X-ray powder diffraction, X-ray photoelectron spectroscopy and magnetometry results indicate mixed valence state at Co site, leading to competing magnetic phases and uncompensated spins at the magnetic interfaces. We compare the results for this Ca-doped material with those ","authors_text":"C. Grossi, E. Baggio-Saitovitch, E. M. Bittar, F. Stavale, L. Bufaical, L. T. Coutrim, P. G. Pagliuso, R. Finkler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-12T20:27:29Z","title":"Training-induced inversion of spontaneous exchange bias field on La1.5Ca0.5CoMnO6"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03496","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:bc530637bef87e995ea1827de6ccb47ab927b0ebfbb9f69ecf1d948d5bb1bbe4","target":"record","created_at":"2026-05-18T00:47:04Z","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":"4cec1fbfa1298a367ae63459457275699b8d3de784b6f9715155da48cdfb38e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-12T20:27:29Z","title_canon_sha256":"0d9010488eeaad6ff79b749dee79bd4b9cbf497002269a2ae0bbe4fd207e1809"},"schema_version":"1.0","source":{"id":"1701.03496","kind":"arxiv","version":1}},"canonical_sha256":"c9bcdfddeccda6e91eb93e6bbb8991ed55122b80ad1f176a33f5f1eacf8bb9a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9bcdfddeccda6e91eb93e6bbb8991ed55122b80ad1f176a33f5f1eacf8bb9a6","first_computed_at":"2026-05-18T00:47:04.556224Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:04.556224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fQ6oTmt1DSmTdFdi7WFwrfNQYdEpzaj0ppdWtozxyXoFLO6fqrxp4LwdF3q/vTIH7EnpNfSHN9oMGxmaji/BAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:04.556612Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.03496","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc530637bef87e995ea1827de6ccb47ab927b0ebfbb9f69ecf1d948d5bb1bbe4","sha256:ce25d6175c2830ffc2cbff3558380d27ec9e2c6103d35a1cb7bc1232eb374f06"],"state_sha256":"35eec769b604bca56e19f6c54186e7a32ac0d04d458471954fb09f9fa00d765a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3NlltRUwUThaz3TywjImmwf+DBe6fuln49XyXYk30JjX1EG0OrlSaM/FN4hpoMBM61gA743ShqECIkafnnz0Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T23:12:03.404965Z","bundle_sha256":"59b0b5caa7f3bbe21c1eee263c8fd57d2014a364b65aed25cc8eff52485e91d7"}}