{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YLFLZHG6P7YNYJLMTH3O4ZRTSU","short_pith_number":"pith:YLFLZHG6","canonical_record":{"source":{"id":"1602.08285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-26T11:51:24Z","cross_cats_sorted":[],"title_canon_sha256":"715a81db22bfe7fb9ff79fe32faa8754f680a8fb60b006a193df7a22286eee5b","abstract_canon_sha256":"5f1752213ffb51110b86cbd809e6d47dff3dea786e8a745eca34dc973e0a901a"},"schema_version":"1.0"},"canonical_sha256":"c2cabc9cde7ff0dc256c99f6ee66339536cdb5b91124d210f47cbe2136ae68fd","source":{"kind":"arxiv","id":"1602.08285","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08285","created_at":"2026-05-18T00:43:03Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08285v1","created_at":"2026-05-18T00:43:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08285","created_at":"2026-05-18T00:43:03Z"},{"alias_kind":"pith_short_12","alias_value":"YLFLZHG6P7YN","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YLFLZHG6P7YNYJLM","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YLFLZHG6","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YLFLZHG6P7YNYJLMTH3O4ZRTSU","target":"record","payload":{"canonical_record":{"source":{"id":"1602.08285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-26T11:51:24Z","cross_cats_sorted":[],"title_canon_sha256":"715a81db22bfe7fb9ff79fe32faa8754f680a8fb60b006a193df7a22286eee5b","abstract_canon_sha256":"5f1752213ffb51110b86cbd809e6d47dff3dea786e8a745eca34dc973e0a901a"},"schema_version":"1.0"},"canonical_sha256":"c2cabc9cde7ff0dc256c99f6ee66339536cdb5b91124d210f47cbe2136ae68fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:03.038427Z","signature_b64":"PQ7JOsbaLjMtqVhfHVTQ4UR0AYgYXe91sFI8s/zbPMjmUNLS02vSOsATYqxIWWnrBEr8C10RlZ4Ic3E68k4lDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2cabc9cde7ff0dc256c99f6ee66339536cdb5b91124d210f47cbe2136ae68fd","last_reissued_at":"2026-05-18T00:43:03.037717Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:03.037717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.08285","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":"2026-05-18T00:43:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BrYw6+i72JEespFc7ms3GebIj/2TIlY3c16m02QhmX0nWOlEh01I+KjU9W14Xp5RqxGXMscRsRspLZ61yltlCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:35:49.838389Z"},"content_sha256":"575189ce46cf624955b86f78336b084627d1273db454c2f1a4ca4e8fc42d3bbd","schema_version":"1.0","event_id":"sha256:575189ce46cf624955b86f78336b084627d1273db454c2f1a4ca4e8fc42d3bbd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YLFLZHG6P7YNYJLMTH3O4ZRTSU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role of Phonons in Li-Diffusion, Thermal Expansion and Phase Transitions in beta-eucryptite: Inelastic Neutron Scattering and Lattice Dynamics Studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Avesh Kumar Tyagi, Baltej Singh, Helmut Schober, Mayanak Kumar Gupta, Mohamed Zbiri, Ranjan Mittal, Sadequa Jahedkhan Patwe, Samrath Lal Chaplot, Srungarpu Nagabhusan Achary, Stephane Rols","submitted_at":"2016-02-26T11:51:24Z","abstract_excerpt":"Beta eucryptite (LiAlSiO4) shows one-dimensional super-ionic conductivity as well as anisotropic thermal expansion behavior. We have performed inelastic neutron scattering measurements in beta eucryptite over 300 to 900 K and calculated the phonon spectrum using ab initio density functional theory method. The calculated energy profile for cooperative lithium ion displacements indicates preferential movement of Li ion along the hexagonal c-axis in the high temperature phase. However, the energy barrier for Li ion diffusion is significantly reduced when a Schottky defect is introduced in the cry"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08285","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":"2026-05-18T00:43:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qJyucIjPsmnEFwZblo7tmUbiwG9SFTQen4rseAggvSOgTuELZjaJp/2KYejsY8tvxUyeFGqOw4vZQYw2Z9ZAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:35:49.839073Z"},"content_sha256":"0d9a2144d46a2b04c61d1352defacb2733da563c96c1835ce03d361b4e94d4f0","schema_version":"1.0","event_id":"sha256:0d9a2144d46a2b04c61d1352defacb2733da563c96c1835ce03d361b4e94d4f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YLFLZHG6P7YNYJLMTH3O4ZRTSU/bundle.json","state_url":"https://pith.science/pith/YLFLZHG6P7YNYJLMTH3O4ZRTSU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YLFLZHG6P7YNYJLMTH3O4ZRTSU/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":"2026-06-05T00:35:49Z","links":{"resolver":"https://pith.science/pith/YLFLZHG6P7YNYJLMTH3O4ZRTSU","bundle":"https://pith.science/pith/YLFLZHG6P7YNYJLMTH3O4ZRTSU/bundle.json","state":"https://pith.science/pith/YLFLZHG6P7YNYJLMTH3O4ZRTSU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YLFLZHG6P7YNYJLMTH3O4ZRTSU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YLFLZHG6P7YNYJLMTH3O4ZRTSU","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":"5f1752213ffb51110b86cbd809e6d47dff3dea786e8a745eca34dc973e0a901a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-26T11:51:24Z","title_canon_sha256":"715a81db22bfe7fb9ff79fe32faa8754f680a8fb60b006a193df7a22286eee5b"},"schema_version":"1.0","source":{"id":"1602.08285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08285","created_at":"2026-05-18T00:43:03Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08285v1","created_at":"2026-05-18T00:43:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08285","created_at":"2026-05-18T00:43:03Z"},{"alias_kind":"pith_short_12","alias_value":"YLFLZHG6P7YN","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YLFLZHG6P7YNYJLM","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YLFLZHG6","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:0d9a2144d46a2b04c61d1352defacb2733da563c96c1835ce03d361b4e94d4f0","target":"graph","created_at":"2026-05-18T00:43:03Z","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":"Beta eucryptite (LiAlSiO4) shows one-dimensional super-ionic conductivity as well as anisotropic thermal expansion behavior. We have performed inelastic neutron scattering measurements in beta eucryptite over 300 to 900 K and calculated the phonon spectrum using ab initio density functional theory method. The calculated energy profile for cooperative lithium ion displacements indicates preferential movement of Li ion along the hexagonal c-axis in the high temperature phase. However, the energy barrier for Li ion diffusion is significantly reduced when a Schottky defect is introduced in the cry","authors_text":"Avesh Kumar Tyagi, Baltej Singh, Helmut Schober, Mayanak Kumar Gupta, Mohamed Zbiri, Ranjan Mittal, Sadequa Jahedkhan Patwe, Samrath Lal Chaplot, Srungarpu Nagabhusan Achary, Stephane Rols","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-26T11:51:24Z","title":"Role of Phonons in Li-Diffusion, Thermal Expansion and Phase Transitions in beta-eucryptite: Inelastic Neutron Scattering and Lattice Dynamics Studies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08285","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":"sha256:575189ce46cf624955b86f78336b084627d1273db454c2f1a4ca4e8fc42d3bbd","target":"record","created_at":"2026-05-18T00:43:03Z","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":"5f1752213ffb51110b86cbd809e6d47dff3dea786e8a745eca34dc973e0a901a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-26T11:51:24Z","title_canon_sha256":"715a81db22bfe7fb9ff79fe32faa8754f680a8fb60b006a193df7a22286eee5b"},"schema_version":"1.0","source":{"id":"1602.08285","kind":"arxiv","version":1}},"canonical_sha256":"c2cabc9cde7ff0dc256c99f6ee66339536cdb5b91124d210f47cbe2136ae68fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2cabc9cde7ff0dc256c99f6ee66339536cdb5b91124d210f47cbe2136ae68fd","first_computed_at":"2026-05-18T00:43:03.037717Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:03.037717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PQ7JOsbaLjMtqVhfHVTQ4UR0AYgYXe91sFI8s/zbPMjmUNLS02vSOsATYqxIWWnrBEr8C10RlZ4Ic3E68k4lDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:03.038427Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.08285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:575189ce46cf624955b86f78336b084627d1273db454c2f1a4ca4e8fc42d3bbd","sha256:0d9a2144d46a2b04c61d1352defacb2733da563c96c1835ce03d361b4e94d4f0"],"state_sha256":"26d7a3fe4cf5a19db8e29915622b26529d47958a317878fe868a1f7b0e265b8b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qgpKRfcVFj9CxTqAPVKlHQOpO2iVeuIfVkHWXxoY3jlEbRSuR35k1HEFtf1gHZS1nMidL0+8s365cg2n02L2Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T00:35:49.842376Z","bundle_sha256":"da6e6b59ae98b133eda7ab2cad2d53a5aadf2184a35bedc60099fc5fe737929e"}}