{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RS367LFYD5RFB2FBGJYB47S64V","short_pith_number":"pith:RS367LFY","canonical_record":{"source":{"id":"1702.00705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-02-02T14:53:56Z","cross_cats_sorted":[],"title_canon_sha256":"f6e0059fa622b509983e2248ec2bb8a6eea725fbb3e32505ac703d10d6dfb167","abstract_canon_sha256":"709be8d934bf0b88496f87a25a9284cff2ab41c4d680d2e0257e0d463f621bc7"},"schema_version":"1.0"},"canonical_sha256":"8cb7efacb81f6250e8a132701e7e5ee5614eca86e7630d22525daa5bf5458bf1","source":{"kind":"arxiv","id":"1702.00705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.00705","created_at":"2026-05-18T00:51:31Z"},{"alias_kind":"arxiv_version","alias_value":"1702.00705v1","created_at":"2026-05-18T00:51:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.00705","created_at":"2026-05-18T00:51:31Z"},{"alias_kind":"pith_short_12","alias_value":"RS367LFYD5RF","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RS367LFYD5RFB2FB","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RS367LFY","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RS367LFYD5RFB2FBGJYB47S64V","target":"record","payload":{"canonical_record":{"source":{"id":"1702.00705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-02-02T14:53:56Z","cross_cats_sorted":[],"title_canon_sha256":"f6e0059fa622b509983e2248ec2bb8a6eea725fbb3e32505ac703d10d6dfb167","abstract_canon_sha256":"709be8d934bf0b88496f87a25a9284cff2ab41c4d680d2e0257e0d463f621bc7"},"schema_version":"1.0"},"canonical_sha256":"8cb7efacb81f6250e8a132701e7e5ee5614eca86e7630d22525daa5bf5458bf1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:31.068224Z","signature_b64":"ATeP5HP8mBilvuoN5OvC0mRnk5l21AVdI7GAAyWZ8nDYvpjCDNUlmSeGKQdBxwqvKH1nsgtr5cCEEEO9yMmzCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8cb7efacb81f6250e8a132701e7e5ee5614eca86e7630d22525daa5bf5458bf1","last_reissued_at":"2026-05-18T00:51:31.067611Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:31.067611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.00705","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":"2026-05-18T00:51:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K0krpU0ueHWTgnjTjUzoZnm8XfuaC7bZev2kKeNBecBK5J4jVjDQDjUu0Vp1wEKP2wiFhPpl4/PdAqfqqmaoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:12:51.031376Z"},"content_sha256":"eaeaa5c290831b6e1869314ba745bc6657de176b19055a1bc953390122d8226d","schema_version":"1.0","event_id":"sha256:eaeaa5c290831b6e1869314ba745bc6657de176b19055a1bc953390122d8226d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RS367LFYD5RFB2FBGJYB47S64V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic phase diagram of Eu$_2$CuSi$_3$ derived from thermal expansion and magnetostriction studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Changhyun Koo, Chongde D. Cao, Lars Wallbaum, Liran Wang, R\\\"udiger Klingeler, Wolfgang L\\\"oser","submitted_at":"2017-02-02T14:53:56Z","abstract_excerpt":"Precise thermal expansion and magnetostriction studies of the intermetallic compound Eu$_2$CuSi$_3$ in the temperature range between 5 and 300 K are presented. A clear sign of magnetic second order phase transition at the ferromagnetic Curie temperature $T_{\\rm C}$ = 34 K indicates strong magneto-structural coupling. Uniaxial thermal expansion data show a large anisotropy between the magnetic easy $c$-axis and the hexagonal $ab$-plane, which is associated with a strongly anisotropic magnetic coupling. A spin-reorientation regime as well as a non-uniform energy scale are indicated by Gr\\\"uneise"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.00705","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":"2026-05-18T00:51:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hmlsVEY7ap6zKkL8QzD4zeNiCAGWKRiywSvnh97JBbWEyh7k4DA4j7kE22pCjql7sx+Jxuqef0XArmoQuRVDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:12:51.031984Z"},"content_sha256":"0b1ab7878cf700d09d18eeb03a4a3cfcfb908c59c33931233d22f5c1db8c82ac","schema_version":"1.0","event_id":"sha256:0b1ab7878cf700d09d18eeb03a4a3cfcfb908c59c33931233d22f5c1db8c82ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RS367LFYD5RFB2FBGJYB47S64V/bundle.json","state_url":"https://pith.science/pith/RS367LFYD5RFB2FBGJYB47S64V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RS367LFYD5RFB2FBGJYB47S64V/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":"2026-05-26T18:12:51Z","links":{"resolver":"https://pith.science/pith/RS367LFYD5RFB2FBGJYB47S64V","bundle":"https://pith.science/pith/RS367LFYD5RFB2FBGJYB47S64V/bundle.json","state":"https://pith.science/pith/RS367LFYD5RFB2FBGJYB47S64V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RS367LFYD5RFB2FBGJYB47S64V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RS367LFYD5RFB2FBGJYB47S64V","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":"709be8d934bf0b88496f87a25a9284cff2ab41c4d680d2e0257e0d463f621bc7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-02-02T14:53:56Z","title_canon_sha256":"f6e0059fa622b509983e2248ec2bb8a6eea725fbb3e32505ac703d10d6dfb167"},"schema_version":"1.0","source":{"id":"1702.00705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.00705","created_at":"2026-05-18T00:51:31Z"},{"alias_kind":"arxiv_version","alias_value":"1702.00705v1","created_at":"2026-05-18T00:51:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.00705","created_at":"2026-05-18T00:51:31Z"},{"alias_kind":"pith_short_12","alias_value":"RS367LFYD5RF","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RS367LFYD5RFB2FB","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RS367LFY","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:0b1ab7878cf700d09d18eeb03a4a3cfcfb908c59c33931233d22f5c1db8c82ac","target":"graph","created_at":"2026-05-18T00:51:31Z","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":"Precise thermal expansion and magnetostriction studies of the intermetallic compound Eu$_2$CuSi$_3$ in the temperature range between 5 and 300 K are presented. A clear sign of magnetic second order phase transition at the ferromagnetic Curie temperature $T_{\\rm C}$ = 34 K indicates strong magneto-structural coupling. Uniaxial thermal expansion data show a large anisotropy between the magnetic easy $c$-axis and the hexagonal $ab$-plane, which is associated with a strongly anisotropic magnetic coupling. A spin-reorientation regime as well as a non-uniform energy scale are indicated by Gr\\\"uneise","authors_text":"Changhyun Koo, Chongde D. Cao, Lars Wallbaum, Liran Wang, R\\\"udiger Klingeler, Wolfgang L\\\"oser","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-02-02T14:53:56Z","title":"Magnetic phase diagram of Eu$_2$CuSi$_3$ derived from thermal expansion and magnetostriction studies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.00705","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:eaeaa5c290831b6e1869314ba745bc6657de176b19055a1bc953390122d8226d","target":"record","created_at":"2026-05-18T00:51:31Z","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":"709be8d934bf0b88496f87a25a9284cff2ab41c4d680d2e0257e0d463f621bc7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-02-02T14:53:56Z","title_canon_sha256":"f6e0059fa622b509983e2248ec2bb8a6eea725fbb3e32505ac703d10d6dfb167"},"schema_version":"1.0","source":{"id":"1702.00705","kind":"arxiv","version":1}},"canonical_sha256":"8cb7efacb81f6250e8a132701e7e5ee5614eca86e7630d22525daa5bf5458bf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8cb7efacb81f6250e8a132701e7e5ee5614eca86e7630d22525daa5bf5458bf1","first_computed_at":"2026-05-18T00:51:31.067611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:31.067611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ATeP5HP8mBilvuoN5OvC0mRnk5l21AVdI7GAAyWZ8nDYvpjCDNUlmSeGKQdBxwqvKH1nsgtr5cCEEEO9yMmzCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:31.068224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.00705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eaeaa5c290831b6e1869314ba745bc6657de176b19055a1bc953390122d8226d","sha256:0b1ab7878cf700d09d18eeb03a4a3cfcfb908c59c33931233d22f5c1db8c82ac"],"state_sha256":"c9f6db3d9f5331f1ee7ab8c43096bf0c182efa53eee827ab731fbd62f982eba2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FuB3FPmgX+bEhPp1icj/L7bPw86GabIPJ/w42wwWyMiRgoHByF8us/tc84uygjRcJ+EaBLBnEo9wYpu+hJmmBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:12:51.034833Z","bundle_sha256":"e94352a1cccd9bef4eacecfc6cafe72158695ff88266d20e81ba965106dcc65e"}}