{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6ZVOYFWBCDJNVL2LCLB3RVLCQM","short_pith_number":"pith:6ZVOYFWB","canonical_record":{"source":{"id":"1606.01183","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2016-06-03T16:52:22Z","cross_cats_sorted":[],"title_canon_sha256":"7372cb4dc0e258baa1d8cdf023531725142ff4f1d4785227f62a621678a30e86","abstract_canon_sha256":"ede18992c5da44aeb296696c07738eb83d36d9a67913e16163f0e6d2da02c4f3"},"schema_version":"1.0"},"canonical_sha256":"f66aec16c110d2daaf4b12c3b8d56283109d1e51c9293c3bf748bfe789a764ce","source":{"kind":"arxiv","id":"1606.01183","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.01183","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1606.01183v1","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.01183","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"6ZVOYFWBCDJN","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"6ZVOYFWBCDJNVL2L","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"6ZVOYFWB","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6ZVOYFWBCDJNVL2LCLB3RVLCQM","target":"record","payload":{"canonical_record":{"source":{"id":"1606.01183","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2016-06-03T16:52:22Z","cross_cats_sorted":[],"title_canon_sha256":"7372cb4dc0e258baa1d8cdf023531725142ff4f1d4785227f62a621678a30e86","abstract_canon_sha256":"ede18992c5da44aeb296696c07738eb83d36d9a67913e16163f0e6d2da02c4f3"},"schema_version":"1.0"},"canonical_sha256":"f66aec16c110d2daaf4b12c3b8d56283109d1e51c9293c3bf748bfe789a764ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:59.117216Z","signature_b64":"ATCHGudFlNfoMbQPgCwomlhxKnrnoX/c0+0mMI6dKDKLydRrsRfM5OiL+N1hDmCBCsrGJEZU334Pr44aq3yFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f66aec16c110d2daaf4b12c3b8d56283109d1e51c9293c3bf748bfe789a764ce","last_reissued_at":"2026-05-18T01:12:59.116845Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:59.116845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.01183","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":"2026-05-18T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qguvjSAtGXVPxPZMLOtMX7najXVMkB+sjkD2m9/j0J6ElpWqxSPvKIBQ550Ez1HT9JMMI5lrhO7OhWItUoYQCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:55:14.806565Z"},"content_sha256":"cdcd2ac2da3141eaff9791721516bedac7478f3483db30600ba6b1022630e18e","schema_version":"1.0","event_id":"sha256:cdcd2ac2da3141eaff9791721516bedac7478f3483db30600ba6b1022630e18e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6ZVOYFWBCDJNVL2LCLB3RVLCQM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Peter Hall's work on high-dimensional data and classification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.OT","authors_text":"Richard J. Samworth","submitted_at":"2016-06-03T16:52:22Z","abstract_excerpt":"In this article, I summarise Peter Hall's contributions to high-dimensional data, including their geometric representations and variable selection methods based on ranking. I also discuss his work on classification problems, concluding with some personal reflections on my own interactions with him."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.01183","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":"2026-05-18T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ANp5Nh1eFLSr37EOdWUqY/RpBEyTLm3op6AU90gaVEzIo7VJMeREHKYLXImxKHMzeHsxFxmqu4nrm1kZODuYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:55:14.807208Z"},"content_sha256":"fc0f788a1e79b3895f298befa86e6fe9a41162ea9121de074d6f148f4fa12aa3","schema_version":"1.0","event_id":"sha256:fc0f788a1e79b3895f298befa86e6fe9a41162ea9121de074d6f148f4fa12aa3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ZVOYFWBCDJNVL2LCLB3RVLCQM/bundle.json","state_url":"https://pith.science/pith/6ZVOYFWBCDJNVL2LCLB3RVLCQM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ZVOYFWBCDJNVL2LCLB3RVLCQM/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":"2026-05-27T16:55:14Z","links":{"resolver":"https://pith.science/pith/6ZVOYFWBCDJNVL2LCLB3RVLCQM","bundle":"https://pith.science/pith/6ZVOYFWBCDJNVL2LCLB3RVLCQM/bundle.json","state":"https://pith.science/pith/6ZVOYFWBCDJNVL2LCLB3RVLCQM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ZVOYFWBCDJNVL2LCLB3RVLCQM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6ZVOYFWBCDJNVL2LCLB3RVLCQM","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":"ede18992c5da44aeb296696c07738eb83d36d9a67913e16163f0e6d2da02c4f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2016-06-03T16:52:22Z","title_canon_sha256":"7372cb4dc0e258baa1d8cdf023531725142ff4f1d4785227f62a621678a30e86"},"schema_version":"1.0","source":{"id":"1606.01183","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.01183","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1606.01183v1","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.01183","created_at":"2026-05-18T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"6ZVOYFWBCDJN","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"6ZVOYFWBCDJNVL2L","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"6ZVOYFWB","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:fc0f788a1e79b3895f298befa86e6fe9a41162ea9121de074d6f148f4fa12aa3","target":"graph","created_at":"2026-05-18T01:12:59Z","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":"In this article, I summarise Peter Hall's contributions to high-dimensional data, including their geometric representations and variable selection methods based on ranking. I also discuss his work on classification problems, concluding with some personal reflections on my own interactions with him.","authors_text":"Richard J. Samworth","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2016-06-03T16:52:22Z","title":"Peter Hall's work on high-dimensional data and classification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.01183","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:cdcd2ac2da3141eaff9791721516bedac7478f3483db30600ba6b1022630e18e","target":"record","created_at":"2026-05-18T01:12:59Z","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":"ede18992c5da44aeb296696c07738eb83d36d9a67913e16163f0e6d2da02c4f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2016-06-03T16:52:22Z","title_canon_sha256":"7372cb4dc0e258baa1d8cdf023531725142ff4f1d4785227f62a621678a30e86"},"schema_version":"1.0","source":{"id":"1606.01183","kind":"arxiv","version":1}},"canonical_sha256":"f66aec16c110d2daaf4b12c3b8d56283109d1e51c9293c3bf748bfe789a764ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f66aec16c110d2daaf4b12c3b8d56283109d1e51c9293c3bf748bfe789a764ce","first_computed_at":"2026-05-18T01:12:59.116845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:59.116845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ATCHGudFlNfoMbQPgCwomlhxKnrnoX/c0+0mMI6dKDKLydRrsRfM5OiL+N1hDmCBCsrGJEZU334Pr44aq3yFAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:59.117216Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.01183","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cdcd2ac2da3141eaff9791721516bedac7478f3483db30600ba6b1022630e18e","sha256:fc0f788a1e79b3895f298befa86e6fe9a41162ea9121de074d6f148f4fa12aa3"],"state_sha256":"62e8570b477e5e681dfa4aef7a5be959f4b9c9875a9b88e00c27ee715f86222c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RqqfF4aa04a5DYOn9o1gf1Q6zwElBzTQU7ska4+kwtVUuZS1F0TWv159JwX/POQiEYAqrFxtm96olameWxlkDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:55:14.810588Z","bundle_sha256":"fff1c242be2773f1ccf2479ba93b17937d88de9d4fed6a26a32a1d32041da2d6"}}