{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:YQO7F4A6TXRL3DXTQ5Z4ID7Z2X","short_pith_number":"pith:YQO7F4A6","canonical_record":{"source":{"id":"1108.3705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-08-18T10:10:50Z","cross_cats_sorted":[],"title_canon_sha256":"46696eb64f8cbd4d00c90922423dba553509fea2a065363fe8f13230c5ca00ab","abstract_canon_sha256":"1da82f1affefe0f38105d60eef73f686ff2c6f939282c8dadd0b050d762ed2d4"},"schema_version":"1.0"},"canonical_sha256":"c41df2f01e9de2bd8ef38773c40ff9d5d11524a5335c231299d5332d014bc687","source":{"kind":"arxiv","id":"1108.3705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3705","created_at":"2026-05-18T03:26:41Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3705v1","created_at":"2026-05-18T03:26:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3705","created_at":"2026-05-18T03:26:41Z"},{"alias_kind":"pith_short_12","alias_value":"YQO7F4A6TXRL","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YQO7F4A6TXRL3DXT","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YQO7F4A6","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:YQO7F4A6TXRL3DXTQ5Z4ID7Z2X","target":"record","payload":{"canonical_record":{"source":{"id":"1108.3705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-08-18T10:10:50Z","cross_cats_sorted":[],"title_canon_sha256":"46696eb64f8cbd4d00c90922423dba553509fea2a065363fe8f13230c5ca00ab","abstract_canon_sha256":"1da82f1affefe0f38105d60eef73f686ff2c6f939282c8dadd0b050d762ed2d4"},"schema_version":"1.0"},"canonical_sha256":"c41df2f01e9de2bd8ef38773c40ff9d5d11524a5335c231299d5332d014bc687","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:41.382310Z","signature_b64":"sZJ9GUsTzKyWudT7nF1ckRYfK8PiW5ZQ+EqJUdFmigUxtSN5dwbc6lO2kg6pWRto/2Q5Zr65H/9sAG3jB1jDCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c41df2f01e9de2bd8ef38773c40ff9d5d11524a5335c231299d5332d014bc687","last_reissued_at":"2026-05-18T03:26:41.381752Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:41.381752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.3705","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":"2026-05-18T03:26:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UxvB71UT71KUv/Mnvq57wdwsTVhfauCIaUbb8OjyOlM8VissTvskPCH4vnOhgBS9yInJLfoYL6ViehmEqJEjCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:31:50.554883Z"},"content_sha256":"dbbff9e3a4802b49394dfbfe581b98afae58d699616cc7f79dc363c1d6534a98","schema_version":"1.0","event_id":"sha256:dbbff9e3a4802b49394dfbfe581b98afae58d699616cc7f79dc363c1d6534a98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:YQO7F4A6TXRL3DXTQ5Z4ID7Z2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ferro-quadrupolar ordering in PrTi$_2$Al$_{20}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Akito Sakai, Satoru Nakatsuji, Soshi Ibuka, Taku J Sato, Teruo Yamazaki, Yusuke Nambu","submitted_at":"2011-08-18T10:10:50Z","abstract_excerpt":"Origin of the non-magnetic phase transition in PrTi$_2$Al$_{20}$, reported earlier in the macroscopic study, has been asserted microscopically using elastic and inelastic neutron scattering techniques. It has been shown spectroscopically that the crystalline-electric-field ground state is a non-magnetic $\\Gamma_3$ doublet, whereas the excited states are two triplets ($\\Gamma_4$ and $\\Gamma_5$) and a singlet ($\\Gamma_1$). The diffraction experiment under external magnetic field shows that the non-magnetic transition is indeed ferro-quadrupolar ordering, which takes place as a consequence of coo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3705","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":"2026-05-18T03:26:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4oijGODB7sp9Vf7fbzAXoOYB8cu3A8qGgHdvbezD77JINGz4bw7F/n2YK4WRaxitV29w7TyuiTWAQdcOzHg0CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:31:50.555276Z"},"content_sha256":"3332350ef6d47d5744b793b48787acf2868fa6eb9b8a6e336ea31fa6d611cb77","schema_version":"1.0","event_id":"sha256:3332350ef6d47d5744b793b48787acf2868fa6eb9b8a6e336ea31fa6d611cb77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQO7F4A6TXRL3DXTQ5Z4ID7Z2X/bundle.json","state_url":"https://pith.science/pith/YQO7F4A6TXRL3DXTQ5Z4ID7Z2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQO7F4A6TXRL3DXTQ5Z4ID7Z2X/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":"2026-05-28T06:31:50Z","links":{"resolver":"https://pith.science/pith/YQO7F4A6TXRL3DXTQ5Z4ID7Z2X","bundle":"https://pith.science/pith/YQO7F4A6TXRL3DXTQ5Z4ID7Z2X/bundle.json","state":"https://pith.science/pith/YQO7F4A6TXRL3DXTQ5Z4ID7Z2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQO7F4A6TXRL3DXTQ5Z4ID7Z2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:YQO7F4A6TXRL3DXTQ5Z4ID7Z2X","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":"1da82f1affefe0f38105d60eef73f686ff2c6f939282c8dadd0b050d762ed2d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-08-18T10:10:50Z","title_canon_sha256":"46696eb64f8cbd4d00c90922423dba553509fea2a065363fe8f13230c5ca00ab"},"schema_version":"1.0","source":{"id":"1108.3705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3705","created_at":"2026-05-18T03:26:41Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3705v1","created_at":"2026-05-18T03:26:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3705","created_at":"2026-05-18T03:26:41Z"},{"alias_kind":"pith_short_12","alias_value":"YQO7F4A6TXRL","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YQO7F4A6TXRL3DXT","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YQO7F4A6","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:3332350ef6d47d5744b793b48787acf2868fa6eb9b8a6e336ea31fa6d611cb77","target":"graph","created_at":"2026-05-18T03:26:41Z","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":"Origin of the non-magnetic phase transition in PrTi$_2$Al$_{20}$, reported earlier in the macroscopic study, has been asserted microscopically using elastic and inelastic neutron scattering techniques. It has been shown spectroscopically that the crystalline-electric-field ground state is a non-magnetic $\\Gamma_3$ doublet, whereas the excited states are two triplets ($\\Gamma_4$ and $\\Gamma_5$) and a singlet ($\\Gamma_1$). The diffraction experiment under external magnetic field shows that the non-magnetic transition is indeed ferro-quadrupolar ordering, which takes place as a consequence of coo","authors_text":"Akito Sakai, Satoru Nakatsuji, Soshi Ibuka, Taku J Sato, Teruo Yamazaki, Yusuke Nambu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-08-18T10:10:50Z","title":"Ferro-quadrupolar ordering in PrTi$_2$Al$_{20}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3705","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:dbbff9e3a4802b49394dfbfe581b98afae58d699616cc7f79dc363c1d6534a98","target":"record","created_at":"2026-05-18T03:26:41Z","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":"1da82f1affefe0f38105d60eef73f686ff2c6f939282c8dadd0b050d762ed2d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-08-18T10:10:50Z","title_canon_sha256":"46696eb64f8cbd4d00c90922423dba553509fea2a065363fe8f13230c5ca00ab"},"schema_version":"1.0","source":{"id":"1108.3705","kind":"arxiv","version":1}},"canonical_sha256":"c41df2f01e9de2bd8ef38773c40ff9d5d11524a5335c231299d5332d014bc687","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c41df2f01e9de2bd8ef38773c40ff9d5d11524a5335c231299d5332d014bc687","first_computed_at":"2026-05-18T03:26:41.381752Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:41.381752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sZJ9GUsTzKyWudT7nF1ckRYfK8PiW5ZQ+EqJUdFmigUxtSN5dwbc6lO2kg6pWRto/2Q5Zr65H/9sAG3jB1jDCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:41.382310Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.3705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbbff9e3a4802b49394dfbfe581b98afae58d699616cc7f79dc363c1d6534a98","sha256:3332350ef6d47d5744b793b48787acf2868fa6eb9b8a6e336ea31fa6d611cb77"],"state_sha256":"e753818c51055885809479ae4ad65ab36c8b404e36bed6453fec14d444b72dcb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pouwk9VgNuVEYRDcRCSYTcw1t5ggIdHeyKkhIyfQFsRER2jo6BZHdnvRF4i5ey9XUAblBMuk6ob/vwhDCkOdCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:31:50.557302Z","bundle_sha256":"a480545cbf15101f5c7dd85ea4a9e7b4ae4c60e457b5edb166fbb0eb61a4aff5"}}