{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:SXNCY7ZSKC4LCQH5ENCABE26OQ","short_pith_number":"pith:SXNCY7ZS","canonical_record":{"source":{"id":"1901.00442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-02T16:18:42Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"24b158c4ec299cdc5bf4fdb6c54f9fa0efd1899f3fd555d6a5c9df8e74df081d","abstract_canon_sha256":"fbced87b43a2f9725bd9696faed58e95350c2943b7f92dc7a8d063bbdea6f51c"},"schema_version":"1.0"},"canonical_sha256":"95da2c7f3250b8b140fd234400935e743c393ca584997c08681af35e7aca9315","source":{"kind":"arxiv","id":"1901.00442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00442","created_at":"2026-05-17T23:39:55Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00442v1","created_at":"2026-05-17T23:39:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00442","created_at":"2026-05-17T23:39:55Z"},{"alias_kind":"pith_short_12","alias_value":"SXNCY7ZSKC4L","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"SXNCY7ZSKC4LCQH5","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"SXNCY7ZS","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:SXNCY7ZSKC4LCQH5ENCABE26OQ","target":"record","payload":{"canonical_record":{"source":{"id":"1901.00442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-02T16:18:42Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"24b158c4ec299cdc5bf4fdb6c54f9fa0efd1899f3fd555d6a5c9df8e74df081d","abstract_canon_sha256":"fbced87b43a2f9725bd9696faed58e95350c2943b7f92dc7a8d063bbdea6f51c"},"schema_version":"1.0"},"canonical_sha256":"95da2c7f3250b8b140fd234400935e743c393ca584997c08681af35e7aca9315","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:55.409213Z","signature_b64":"gT6s8TW7FsG32U6PIC0HQZLitE3WMPnIrLaAg8ro6QXANHRE+5oWc5E05qz2Z4mdunOYw+MzCTTM2Shh0wKJDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95da2c7f3250b8b140fd234400935e743c393ca584997c08681af35e7aca9315","last_reissued_at":"2026-05-17T23:39:55.408735Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:55.408735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.00442","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":"2026-05-17T23:39:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yR34E8hQrX5+ZwXT6GSe8hhBHxhc2HPKG0FUpRvLY1LXjbY8eduFl2WsBfLlz077lpaU4Rl68rQf5vkzsmnyDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:24:37.625389Z"},"content_sha256":"f477632978cf512aea860eea0dab690e291adbd89183f066e00a0a738b791f34","schema_version":"1.0","event_id":"sha256:f477632978cf512aea860eea0dab690e291adbd89183f066e00a0a738b791f34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:SXNCY7ZSKC4LCQH5ENCABE26OQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant negative magnetoresistance and kinetic arrest of first-order ferrimagnetic-antiferomagnetic transition in Ge doped Mn$_2$Sb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Pallavi Kushwaha, R Rawat, Vikram Singh","submitted_at":"2019-01-02T16:18:42Z","abstract_excerpt":"Effect of Ge substitution on first order ferrimagnetic (FRI) - antiferromagnetic (AFM) transition in Mn$_2$Sb has been studied. It shows that transition temperature (T$_t$) can be tuned between 119~K - 271~K by substituting 2.5-10\\% Ge at Sb site in Mn$_2$Sb. The variation of density of state at Fermi level N(E$_f$) with Ge substitution shows that dN(E)/dE is positive at E$_f$ in the AFM state. With the application of magnetic field T$_t$ shifts to low temperature, which results in a giant negative magnetoresistance (MR) reaching a value of 70\\% for 2.5\\% substitution. Our results show that FR"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00442","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":"2026-05-17T23:39:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mY5IcIHIsu0CdAwogpWGDTi/Gyy0s6BLUMm7fFnXc9piBZoc0hJu9RTAt+18AZd7u35GhaZchGVHY8ci/SZ+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:24:37.626042Z"},"content_sha256":"7e9082228260cf2db644b223d6b2b77213157e6d891e5826a1511478ef296354","schema_version":"1.0","event_id":"sha256:7e9082228260cf2db644b223d6b2b77213157e6d891e5826a1511478ef296354"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SXNCY7ZSKC4LCQH5ENCABE26OQ/bundle.json","state_url":"https://pith.science/pith/SXNCY7ZSKC4LCQH5ENCABE26OQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SXNCY7ZSKC4LCQH5ENCABE26OQ/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":"2026-06-06T15:24:37Z","links":{"resolver":"https://pith.science/pith/SXNCY7ZSKC4LCQH5ENCABE26OQ","bundle":"https://pith.science/pith/SXNCY7ZSKC4LCQH5ENCABE26OQ/bundle.json","state":"https://pith.science/pith/SXNCY7ZSKC4LCQH5ENCABE26OQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SXNCY7ZSKC4LCQH5ENCABE26OQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:SXNCY7ZSKC4LCQH5ENCABE26OQ","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":"fbced87b43a2f9725bd9696faed58e95350c2943b7f92dc7a8d063bbdea6f51c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-02T16:18:42Z","title_canon_sha256":"24b158c4ec299cdc5bf4fdb6c54f9fa0efd1899f3fd555d6a5c9df8e74df081d"},"schema_version":"1.0","source":{"id":"1901.00442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00442","created_at":"2026-05-17T23:39:55Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00442v1","created_at":"2026-05-17T23:39:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00442","created_at":"2026-05-17T23:39:55Z"},{"alias_kind":"pith_short_12","alias_value":"SXNCY7ZSKC4L","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"SXNCY7ZSKC4LCQH5","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"SXNCY7ZS","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:7e9082228260cf2db644b223d6b2b77213157e6d891e5826a1511478ef296354","target":"graph","created_at":"2026-05-17T23:39:55Z","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":"Effect of Ge substitution on first order ferrimagnetic (FRI) - antiferromagnetic (AFM) transition in Mn$_2$Sb has been studied. It shows that transition temperature (T$_t$) can be tuned between 119~K - 271~K by substituting 2.5-10\\% Ge at Sb site in Mn$_2$Sb. The variation of density of state at Fermi level N(E$_f$) with Ge substitution shows that dN(E)/dE is positive at E$_f$ in the AFM state. With the application of magnetic field T$_t$ shifts to low temperature, which results in a giant negative magnetoresistance (MR) reaching a value of 70\\% for 2.5\\% substitution. Our results show that FR","authors_text":"Pallavi Kushwaha, R Rawat, Vikram Singh","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-02T16:18:42Z","title":"Giant negative magnetoresistance and kinetic arrest of first-order ferrimagnetic-antiferomagnetic transition in Ge doped Mn$_2$Sb"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00442","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:f477632978cf512aea860eea0dab690e291adbd89183f066e00a0a738b791f34","target":"record","created_at":"2026-05-17T23:39:55Z","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":"fbced87b43a2f9725bd9696faed58e95350c2943b7f92dc7a8d063bbdea6f51c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-02T16:18:42Z","title_canon_sha256":"24b158c4ec299cdc5bf4fdb6c54f9fa0efd1899f3fd555d6a5c9df8e74df081d"},"schema_version":"1.0","source":{"id":"1901.00442","kind":"arxiv","version":1}},"canonical_sha256":"95da2c7f3250b8b140fd234400935e743c393ca584997c08681af35e7aca9315","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95da2c7f3250b8b140fd234400935e743c393ca584997c08681af35e7aca9315","first_computed_at":"2026-05-17T23:39:55.408735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:55.408735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gT6s8TW7FsG32U6PIC0HQZLitE3WMPnIrLaAg8ro6QXANHRE+5oWc5E05qz2Z4mdunOYw+MzCTTM2Shh0wKJDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:55.409213Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.00442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f477632978cf512aea860eea0dab690e291adbd89183f066e00a0a738b791f34","sha256:7e9082228260cf2db644b223d6b2b77213157e6d891e5826a1511478ef296354"],"state_sha256":"a4dda2c0c470a1cf30caeb304b9d9ad867161da237d256fc0fab373e4936af0b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4VR/VLOBI7Bsn0WfPgGTBdoVKHsNaHK0DDvI6P6FB+8lCGLzcPa+791EHePq+LvLYty94GaLU676/+WVa36/Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T15:24:37.629411Z","bundle_sha256":"445f425773227b87f9393124a2dcdb18f4866cf0f6305c30621a566ac13f56c4"}}