{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EGECZQSSM6CK4BYDHNGJ62U47T","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":"7afd11aefb4a51f6d58afc80195336024cccb134544b5715c9d0a94f597093b7","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-03-02T03:18:12Z","title_canon_sha256":"a16f5d1c5ebce18530aa773459ba3162a1385d9749d0956393ae6a96e3d6ea73"},"schema_version":"1.0","source":{"id":"1803.00688","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00688","created_at":"2026-05-18T00:15:55Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00688v2","created_at":"2026-05-18T00:15:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00688","created_at":"2026-05-18T00:15:55Z"},{"alias_kind":"pith_short_12","alias_value":"EGECZQSSM6CK","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EGECZQSSM6CK4BYD","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EGECZQSS","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:9d167cb0b1000041f10064c5f3ca9d56fe583ef01c4d097a2146c3866f98f402","target":"graph","created_at":"2026-05-18T00:15:55Z","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":"The ground states of the frustrated pyrochlore oxide Tb$_{2+x}$Ti$_{2-x}$O$_{7+y}$ have been studied by inelastic neutron scattering experiments. Three single-crystal samples are investigated; one shows no phase transition ($x=-0.007<x_{\\text{c}}\\sim -0.0025$), being a putative quantum spin-liquid (QSL), and the other two ($x=0.000, 0.003$) show electric quadrupole ordering (QO) below $T_{\\text{c}} \\sim 0.5$ K. The QSL sample shows continuum excitation spectra with an energy scale 0.1 meV as well as energy-resolution limited (nominally) elastic scattering. As $x$ is increased, pseudospin wave ","authors_text":"Bj\\\"orn F{\\aa}k, Hiroaki Kadowaki, Hiroshi Takatsu, Jacques Ollivier, Kenji Nakajima, Mika Wakita, Mototake Tamai, Seiko Ohira-Kawamura","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-03-02T03:18:12Z","title":"Continuum excitation and pseudospin wave in quantum spin-liquid and quadrupole ordered states of Tb$_{2+x}$Ti$_{2-x}$O$_{7+y}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00688","kind":"arxiv","version":2},"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":"sha256:74d91dee798e76aebc0354dac54409f95f016a76bd4fdcd320e3b35b2f19eb3b","target":"record","created_at":"2026-05-18T00:15:55Z","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":"7afd11aefb4a51f6d58afc80195336024cccb134544b5715c9d0a94f597093b7","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-03-02T03:18:12Z","title_canon_sha256":"a16f5d1c5ebce18530aa773459ba3162a1385d9749d0956393ae6a96e3d6ea73"},"schema_version":"1.0","source":{"id":"1803.00688","kind":"arxiv","version":2}},"canonical_sha256":"21882cc2526784ae07033b4c9f6a9cfcdd5d0d8ae1171bb824976eb48b770850","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21882cc2526784ae07033b4c9f6a9cfcdd5d0d8ae1171bb824976eb48b770850","first_computed_at":"2026-05-18T00:15:55.355750Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:55.355750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9gc51ap3zXQh/WuImvfFQzN4m/cg4pDGt18s8plqDIx0n/3ulm5fM1bpwQvXI18EKm3oSo16kCfGz61gMJ+TDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:55.356475Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.00688","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74d91dee798e76aebc0354dac54409f95f016a76bd4fdcd320e3b35b2f19eb3b","sha256:9d167cb0b1000041f10064c5f3ca9d56fe583ef01c4d097a2146c3866f98f402"],"state_sha256":"2a77507b86d279ae5afcd6d723f289825724be1fbaf0d833a7019762e3f690e6"}