{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:E57V7FVGXNR5VHIY4DDFTSDIDA","short_pith_number":"pith:E57V7FVG","canonical_record":{"source":{"id":"1410.3374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-13T16:07:58Z","cross_cats_sorted":[],"title_canon_sha256":"12ab66a78566db6c10c4f03496dddd4b5d4978453a3dd744db583e4bf7559172","abstract_canon_sha256":"4e07c5cbfe522ffdd43e7ab3404b7b9ca44bd4147c8ca6a9a8e14bc07dc885ac"},"schema_version":"1.0"},"canonical_sha256":"277f5f96a6bb63da9d18e0c659c86818164fc95d809a3cc851f38256503d416b","source":{"kind":"arxiv","id":"1410.3374","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.3374","created_at":"2026-05-18T02:31:29Z"},{"alias_kind":"arxiv_version","alias_value":"1410.3374v1","created_at":"2026-05-18T02:31:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3374","created_at":"2026-05-18T02:31:29Z"},{"alias_kind":"pith_short_12","alias_value":"E57V7FVGXNR5","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"E57V7FVGXNR5VHIY","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"E57V7FVG","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:E57V7FVGXNR5VHIY4DDFTSDIDA","target":"record","payload":{"canonical_record":{"source":{"id":"1410.3374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-13T16:07:58Z","cross_cats_sorted":[],"title_canon_sha256":"12ab66a78566db6c10c4f03496dddd4b5d4978453a3dd744db583e4bf7559172","abstract_canon_sha256":"4e07c5cbfe522ffdd43e7ab3404b7b9ca44bd4147c8ca6a9a8e14bc07dc885ac"},"schema_version":"1.0"},"canonical_sha256":"277f5f96a6bb63da9d18e0c659c86818164fc95d809a3cc851f38256503d416b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:29.777198Z","signature_b64":"looG7BwIztFlysPHHQSAC1ZVX1hXbvZ3BecIK+XKE5i1S5lHYSr5NR3l0Xov5FxnX5B9R6CquPbWXW1oA6p8Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"277f5f96a6bb63da9d18e0c659c86818164fc95d809a3cc851f38256503d416b","last_reissued_at":"2026-05-18T02:31:29.776733Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:29.776733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.3374","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":"2026-05-18T02:31:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7QK9LjK1SRBTCUQKIock6f3Bm6VUZf15kUxeNN/IpfKsU1y3yo5xxn2J/cRhfcoiX3Lnk/R2kmA6/mP64V5/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:56:43.790965Z"},"content_sha256":"41bec51c046460a099b4b60d5c4faf4313dcf37fc9aa036b21f409d2a0d697c3","schema_version":"1.0","event_id":"sha256:41bec51c046460a099b4b60d5c4faf4313dcf37fc9aa036b21f409d2a0d697c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:E57V7FVGXNR5VHIY4DDFTSDIDA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for anisotropic dielectric properties of monoclinic hafnia using high-resolution TEM valence electron energy-loss spectroscopy and ab initio time-dependent density-functional theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alberto Zobelli, Cyril Guedj, Francesco Sottile, Linda Hung, Philippe Blaise, Valerio Olevano","submitted_at":"2014-10-13T16:07:58Z","abstract_excerpt":"The effect of nanocrystal orientation on the energy loss spectra of monoclinic hafnia (m-HfO$_2$) is measured by high resolution transmission electron microscopy (HRTEM) and valence energy loss spectroscopy (VEELS) on high quality samples. For the same momentum-transfer directions, the dielectric properties are also calculated ab initio by time-dependent density-functional theory (TDDFT). Experiments and simulations evidence anisotropy in the dielectric properties of m-HfO$_2$, most notably with the direction-dependent oscillator strength of the main bulk plasmon. The anisotropic nature of m-H"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3374","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":"2026-05-18T02:31:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KVyaY2qlaZmSomybgwORiBjaBhbDuaphysEma8m8GKo8jl3MXSPdD8Y70hi/x9MRXhnbgqCK9lr0nFqvnyH3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:56:43.791498Z"},"content_sha256":"3234b0914592643683e4d6bd8b79e39422597a8780696a5f9bdf07c785cde4b6","schema_version":"1.0","event_id":"sha256:3234b0914592643683e4d6bd8b79e39422597a8780696a5f9bdf07c785cde4b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E57V7FVGXNR5VHIY4DDFTSDIDA/bundle.json","state_url":"https://pith.science/pith/E57V7FVGXNR5VHIY4DDFTSDIDA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E57V7FVGXNR5VHIY4DDFTSDIDA/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":"2026-05-25T16:56:43Z","links":{"resolver":"https://pith.science/pith/E57V7FVGXNR5VHIY4DDFTSDIDA","bundle":"https://pith.science/pith/E57V7FVGXNR5VHIY4DDFTSDIDA/bundle.json","state":"https://pith.science/pith/E57V7FVGXNR5VHIY4DDFTSDIDA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E57V7FVGXNR5VHIY4DDFTSDIDA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:E57V7FVGXNR5VHIY4DDFTSDIDA","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":"4e07c5cbfe522ffdd43e7ab3404b7b9ca44bd4147c8ca6a9a8e14bc07dc885ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-13T16:07:58Z","title_canon_sha256":"12ab66a78566db6c10c4f03496dddd4b5d4978453a3dd744db583e4bf7559172"},"schema_version":"1.0","source":{"id":"1410.3374","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.3374","created_at":"2026-05-18T02:31:29Z"},{"alias_kind":"arxiv_version","alias_value":"1410.3374v1","created_at":"2026-05-18T02:31:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3374","created_at":"2026-05-18T02:31:29Z"},{"alias_kind":"pith_short_12","alias_value":"E57V7FVGXNR5","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"E57V7FVGXNR5VHIY","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"E57V7FVG","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:3234b0914592643683e4d6bd8b79e39422597a8780696a5f9bdf07c785cde4b6","target":"graph","created_at":"2026-05-18T02:31:29Z","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 effect of nanocrystal orientation on the energy loss spectra of monoclinic hafnia (m-HfO$_2$) is measured by high resolution transmission electron microscopy (HRTEM) and valence energy loss spectroscopy (VEELS) on high quality samples. For the same momentum-transfer directions, the dielectric properties are also calculated ab initio by time-dependent density-functional theory (TDDFT). Experiments and simulations evidence anisotropy in the dielectric properties of m-HfO$_2$, most notably with the direction-dependent oscillator strength of the main bulk plasmon. The anisotropic nature of m-H","authors_text":"Alberto Zobelli, Cyril Guedj, Francesco Sottile, Linda Hung, Philippe Blaise, Valerio Olevano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-13T16:07:58Z","title":"Evidence for anisotropic dielectric properties of monoclinic hafnia using high-resolution TEM valence electron energy-loss spectroscopy and ab initio time-dependent density-functional theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3374","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":"sha256:41bec51c046460a099b4b60d5c4faf4313dcf37fc9aa036b21f409d2a0d697c3","target":"record","created_at":"2026-05-18T02:31:29Z","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":"4e07c5cbfe522ffdd43e7ab3404b7b9ca44bd4147c8ca6a9a8e14bc07dc885ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-13T16:07:58Z","title_canon_sha256":"12ab66a78566db6c10c4f03496dddd4b5d4978453a3dd744db583e4bf7559172"},"schema_version":"1.0","source":{"id":"1410.3374","kind":"arxiv","version":1}},"canonical_sha256":"277f5f96a6bb63da9d18e0c659c86818164fc95d809a3cc851f38256503d416b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"277f5f96a6bb63da9d18e0c659c86818164fc95d809a3cc851f38256503d416b","first_computed_at":"2026-05-18T02:31:29.776733Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:29.776733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"looG7BwIztFlysPHHQSAC1ZVX1hXbvZ3BecIK+XKE5i1S5lHYSr5NR3l0Xov5FxnX5B9R6CquPbWXW1oA6p8Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:29.777198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.3374","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41bec51c046460a099b4b60d5c4faf4313dcf37fc9aa036b21f409d2a0d697c3","sha256:3234b0914592643683e4d6bd8b79e39422597a8780696a5f9bdf07c785cde4b6"],"state_sha256":"13f6096a170fbffa009c90e29ca68d22c75550f7c85889892a1d92dd6ec5ab9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bAzSxHIjIrnVMgh/2BSEXpxv5Zad0+n+7hUgGImA59CP8vYNnzRvY/yMIH/33hXWBBQZf0avnw5bEUUMJo4nAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:56:43.794718Z","bundle_sha256":"68cc8d47a798bc6ed7c8667a582526e5fc13ddf639da11c43cb4d0033b8218ab"}}