{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WZ3DVDIUV34TKUHSNWLERH3JP6","short_pith_number":"pith:WZ3DVDIU","canonical_record":{"source":{"id":"1504.05977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-22T20:32:18Z","cross_cats_sorted":[],"title_canon_sha256":"7515a8b57f2e6328017a2b2034cb7303f4c99f39bf2aa5db0ff4ebcd883c7335","abstract_canon_sha256":"d138c20b1af0cd39b3915cc0af588beb9325e532923ac9ef6225c8de219b0c1e"},"schema_version":"1.0"},"canonical_sha256":"b6763a8d14aef93550f26d96489f697fa3c28ddb8bb6e6c784c9eb3750bb54cd","source":{"kind":"arxiv","id":"1504.05977","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05977","created_at":"2026-05-18T02:18:03Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05977v1","created_at":"2026-05-18T02:18:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05977","created_at":"2026-05-18T02:18:03Z"},{"alias_kind":"pith_short_12","alias_value":"WZ3DVDIUV34T","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WZ3DVDIUV34TKUHS","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WZ3DVDIU","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WZ3DVDIUV34TKUHSNWLERH3JP6","target":"record","payload":{"canonical_record":{"source":{"id":"1504.05977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-22T20:32:18Z","cross_cats_sorted":[],"title_canon_sha256":"7515a8b57f2e6328017a2b2034cb7303f4c99f39bf2aa5db0ff4ebcd883c7335","abstract_canon_sha256":"d138c20b1af0cd39b3915cc0af588beb9325e532923ac9ef6225c8de219b0c1e"},"schema_version":"1.0"},"canonical_sha256":"b6763a8d14aef93550f26d96489f697fa3c28ddb8bb6e6c784c9eb3750bb54cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:03.063201Z","signature_b64":"3SH5ZVjGk1kXR7ZSxzCz+jwPBImCgEVYqRQws65Jur2BogY0QhTY/r9pBHRH4InOc0C8eEmEIZ1MJDF9EULtDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6763a8d14aef93550f26d96489f697fa3c28ddb8bb6e6c784c9eb3750bb54cd","last_reissued_at":"2026-05-18T02:18:03.062379Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:03.062379Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.05977","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":"2026-05-18T02:18:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xo9dTYNXxsxB27v06evzrAwwrex6RldwUgmUDDEAlLfji4Dur+EdkO4tq0jSD+R4OpeN88deGbCgLHr5fqX5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:15:03.583810Z"},"content_sha256":"de82ea1d3328f8bf0578b7934d85b6aec4bb3fa5fa743e062e575e7698549f6c","schema_version":"1.0","event_id":"sha256:de82ea1d3328f8bf0578b7934d85b6aec4bb3fa5fa743e062e575e7698549f6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WZ3DVDIUV34TKUHSNWLERH3JP6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The symmetry and light stuffing of Ho2Ti2O7, Er2Ti2O7 and Yb2Ti2O7 characterized by synchrotron X-ray diffraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bruce D. Gaulin, Kristen Baroudi, R. J. Cava, Saul H. Lapidus","submitted_at":"2015-04-22T20:32:18Z","abstract_excerpt":"The Ho2Ti2O7, Er2Ti2O7 and Yb2Ti2O7 pyrochlores were studied by synchrotron X-ray diffraction to determine whether the (002) peak, forbidden in the pyrochlore space group Fd-3m but observed in single crystal neutron scattering measurements, is present due to a deviation of their pyrochlore structure from Fd-3m symmetry. Synchrotron diffraction measurements on precisely synthesized stoichiometric and non-stoichiometric powders and a crushed floating zone crystal of Ho2Ti2O7 revealed that the (002) reflection is absent in all cases to a sensitivity of approximately one part in 30,000 of the stro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05977","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":"2026-05-18T02:18:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/BuTXIIDtAoriWmUWwIFGsMe36GHusucswMS6VMmJ4PmavjgpaeJRf0xJpMAZ9gjIrbbkM1STCmRyU4N94sDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:15:03.584524Z"},"content_sha256":"1324d3d37e5525dcd1bed7ddf52e57b1edf35ec6898c1f245432fa5fe564432d","schema_version":"1.0","event_id":"sha256:1324d3d37e5525dcd1bed7ddf52e57b1edf35ec6898c1f245432fa5fe564432d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WZ3DVDIUV34TKUHSNWLERH3JP6/bundle.json","state_url":"https://pith.science/pith/WZ3DVDIUV34TKUHSNWLERH3JP6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WZ3DVDIUV34TKUHSNWLERH3JP6/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":"2026-05-27T05:15:03Z","links":{"resolver":"https://pith.science/pith/WZ3DVDIUV34TKUHSNWLERH3JP6","bundle":"https://pith.science/pith/WZ3DVDIUV34TKUHSNWLERH3JP6/bundle.json","state":"https://pith.science/pith/WZ3DVDIUV34TKUHSNWLERH3JP6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WZ3DVDIUV34TKUHSNWLERH3JP6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WZ3DVDIUV34TKUHSNWLERH3JP6","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":"d138c20b1af0cd39b3915cc0af588beb9325e532923ac9ef6225c8de219b0c1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-22T20:32:18Z","title_canon_sha256":"7515a8b57f2e6328017a2b2034cb7303f4c99f39bf2aa5db0ff4ebcd883c7335"},"schema_version":"1.0","source":{"id":"1504.05977","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05977","created_at":"2026-05-18T02:18:03Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05977v1","created_at":"2026-05-18T02:18:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05977","created_at":"2026-05-18T02:18:03Z"},{"alias_kind":"pith_short_12","alias_value":"WZ3DVDIUV34T","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WZ3DVDIUV34TKUHS","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WZ3DVDIU","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:1324d3d37e5525dcd1bed7ddf52e57b1edf35ec6898c1f245432fa5fe564432d","target":"graph","created_at":"2026-05-18T02:18:03Z","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":"The Ho2Ti2O7, Er2Ti2O7 and Yb2Ti2O7 pyrochlores were studied by synchrotron X-ray diffraction to determine whether the (002) peak, forbidden in the pyrochlore space group Fd-3m but observed in single crystal neutron scattering measurements, is present due to a deviation of their pyrochlore structure from Fd-3m symmetry. Synchrotron diffraction measurements on precisely synthesized stoichiometric and non-stoichiometric powders and a crushed floating zone crystal of Ho2Ti2O7 revealed that the (002) reflection is absent in all cases to a sensitivity of approximately one part in 30,000 of the stro","authors_text":"Bruce D. Gaulin, Kristen Baroudi, R. J. Cava, Saul H. Lapidus","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-22T20:32:18Z","title":"The symmetry and light stuffing of Ho2Ti2O7, Er2Ti2O7 and Yb2Ti2O7 characterized by synchrotron X-ray diffraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05977","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:de82ea1d3328f8bf0578b7934d85b6aec4bb3fa5fa743e062e575e7698549f6c","target":"record","created_at":"2026-05-18T02:18:03Z","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":"d138c20b1af0cd39b3915cc0af588beb9325e532923ac9ef6225c8de219b0c1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-22T20:32:18Z","title_canon_sha256":"7515a8b57f2e6328017a2b2034cb7303f4c99f39bf2aa5db0ff4ebcd883c7335"},"schema_version":"1.0","source":{"id":"1504.05977","kind":"arxiv","version":1}},"canonical_sha256":"b6763a8d14aef93550f26d96489f697fa3c28ddb8bb6e6c784c9eb3750bb54cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6763a8d14aef93550f26d96489f697fa3c28ddb8bb6e6c784c9eb3750bb54cd","first_computed_at":"2026-05-18T02:18:03.062379Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:18:03.062379Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3SH5ZVjGk1kXR7ZSxzCz+jwPBImCgEVYqRQws65Jur2BogY0QhTY/r9pBHRH4InOc0C8eEmEIZ1MJDF9EULtDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:18:03.063201Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.05977","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de82ea1d3328f8bf0578b7934d85b6aec4bb3fa5fa743e062e575e7698549f6c","sha256:1324d3d37e5525dcd1bed7ddf52e57b1edf35ec6898c1f245432fa5fe564432d"],"state_sha256":"e1e79ea209c4c25936fd837cf87101568a9e30806c9f4a9be568c9542da2be81"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VgNuipAIchsvpn9onVusX6kPHkMxIs2hdapVD4GqUN18c36Pu1cJIP3GwQ3afSlw/EggfNvMTTq4/0t3P1spAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:15:03.592134Z","bundle_sha256":"9b4748dd990e670655d615236583c38889dd81ca297ea447a6524d8913c56fbd"}}