{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JPDOFOJMBOTI6N5IHEUFVKOC5R","short_pith_number":"pith:JPDOFOJM","canonical_record":{"source":{"id":"1706.03538","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-12T09:50:57Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"66e312bef069a847c3f027df4f17f722ad82534155184d15790813026cdc4747","abstract_canon_sha256":"19ca039a9a3ab78e4cea9784e3205bc6766c20d56769c347fafb92d052033355"},"schema_version":"1.0"},"canonical_sha256":"4bc6e2b92c0ba68f37a839285aa9c2ec7753e81fd19edcc3c32ecaf542742c95","source":{"kind":"arxiv","id":"1706.03538","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.03538","created_at":"2026-05-18T00:42:34Z"},{"alias_kind":"arxiv_version","alias_value":"1706.03538v1","created_at":"2026-05-18T00:42:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.03538","created_at":"2026-05-18T00:42:34Z"},{"alias_kind":"pith_short_12","alias_value":"JPDOFOJMBOTI","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JPDOFOJMBOTI6N5I","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JPDOFOJM","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JPDOFOJMBOTI6N5IHEUFVKOC5R","target":"record","payload":{"canonical_record":{"source":{"id":"1706.03538","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-12T09:50:57Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"66e312bef069a847c3f027df4f17f722ad82534155184d15790813026cdc4747","abstract_canon_sha256":"19ca039a9a3ab78e4cea9784e3205bc6766c20d56769c347fafb92d052033355"},"schema_version":"1.0"},"canonical_sha256":"4bc6e2b92c0ba68f37a839285aa9c2ec7753e81fd19edcc3c32ecaf542742c95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:34.415143Z","signature_b64":"wiBuHq6Mz8BfVUrvqX9RRtYDV0sxbq1fqcKnI4RBIL/4RXSWn6sBUOW/cbktIh9epMJKyxN+LlARQUMIue9eAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bc6e2b92c0ba68f37a839285aa9c2ec7753e81fd19edcc3c32ecaf542742c95","last_reissued_at":"2026-05-18T00:42:34.414677Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:34.414677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.03538","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":"2026-05-18T00:42:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LvPcBtASPJjujgOTwfGLr4S4yyhEIwW3wE0cUiUMMgNZPBN5HHoSmMpnQKzqyWKsx1AoVqZtrQfaWLhGAulhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:52:54.540082Z"},"content_sha256":"62a65a7be62227ccae2a51be2abecb23c8a67595ab6b38cdf7eba4959d564ebe","schema_version":"1.0","event_id":"sha256:62a65a7be62227ccae2a51be2abecb23c8a67595ab6b38cdf7eba4959d564ebe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JPDOFOJMBOTI6N5IHEUFVKOC5R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Signal Processing for Gigabit-Rate Wireline Communications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Amir Leshem, Itsik Bergel, S.M.Zafaruddin","submitted_at":"2017-06-12T09:50:57Z","abstract_excerpt":"Signal processing played an important role in improving the quality of communications over copper cables in earlier DSL technologies. Even more powerful signal processing techniques are required to enable a gigabit per second data rate in the upcoming G.fast standard. This new standard is different from its predecessors in many respects. In particular, G.fast will use a significantly higher bandwidth. At such a high bandwidth, crosstalk between different lines in a binder will reach unprecedented levels, which are beyond the capabilities of most efficient techniques for interference mitigation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.03538","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":"2026-05-18T00:42:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZttDepaiCSiUeD2gztwSc+47u3X7Jt290XiUjRxp0x5BFT6TLx8fQ5UlXevS0jtsN1k2BBFeCHO6vEvGZrADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:52:54.540446Z"},"content_sha256":"4fdfdb61c7e985d8a423b40a6963b30ec70161ee3829235e0ef5480292c6eea3","schema_version":"1.0","event_id":"sha256:4fdfdb61c7e985d8a423b40a6963b30ec70161ee3829235e0ef5480292c6eea3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JPDOFOJMBOTI6N5IHEUFVKOC5R/bundle.json","state_url":"https://pith.science/pith/JPDOFOJMBOTI6N5IHEUFVKOC5R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JPDOFOJMBOTI6N5IHEUFVKOC5R/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":"2026-05-30T12:52:54Z","links":{"resolver":"https://pith.science/pith/JPDOFOJMBOTI6N5IHEUFVKOC5R","bundle":"https://pith.science/pith/JPDOFOJMBOTI6N5IHEUFVKOC5R/bundle.json","state":"https://pith.science/pith/JPDOFOJMBOTI6N5IHEUFVKOC5R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JPDOFOJMBOTI6N5IHEUFVKOC5R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JPDOFOJMBOTI6N5IHEUFVKOC5R","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":"19ca039a9a3ab78e4cea9784e3205bc6766c20d56769c347fafb92d052033355","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-12T09:50:57Z","title_canon_sha256":"66e312bef069a847c3f027df4f17f722ad82534155184d15790813026cdc4747"},"schema_version":"1.0","source":{"id":"1706.03538","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.03538","created_at":"2026-05-18T00:42:34Z"},{"alias_kind":"arxiv_version","alias_value":"1706.03538v1","created_at":"2026-05-18T00:42:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.03538","created_at":"2026-05-18T00:42:34Z"},{"alias_kind":"pith_short_12","alias_value":"JPDOFOJMBOTI","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JPDOFOJMBOTI6N5I","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JPDOFOJM","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:4fdfdb61c7e985d8a423b40a6963b30ec70161ee3829235e0ef5480292c6eea3","target":"graph","created_at":"2026-05-18T00:42:34Z","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":"Signal processing played an important role in improving the quality of communications over copper cables in earlier DSL technologies. Even more powerful signal processing techniques are required to enable a gigabit per second data rate in the upcoming G.fast standard. This new standard is different from its predecessors in many respects. In particular, G.fast will use a significantly higher bandwidth. At such a high bandwidth, crosstalk between different lines in a binder will reach unprecedented levels, which are beyond the capabilities of most efficient techniques for interference mitigation","authors_text":"Amir Leshem, Itsik Bergel, S.M.Zafaruddin","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-12T09:50:57Z","title":"Signal Processing for Gigabit-Rate Wireline Communications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.03538","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":"sha256:62a65a7be62227ccae2a51be2abecb23c8a67595ab6b38cdf7eba4959d564ebe","target":"record","created_at":"2026-05-18T00:42:34Z","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":"19ca039a9a3ab78e4cea9784e3205bc6766c20d56769c347fafb92d052033355","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-12T09:50:57Z","title_canon_sha256":"66e312bef069a847c3f027df4f17f722ad82534155184d15790813026cdc4747"},"schema_version":"1.0","source":{"id":"1706.03538","kind":"arxiv","version":1}},"canonical_sha256":"4bc6e2b92c0ba68f37a839285aa9c2ec7753e81fd19edcc3c32ecaf542742c95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bc6e2b92c0ba68f37a839285aa9c2ec7753e81fd19edcc3c32ecaf542742c95","first_computed_at":"2026-05-18T00:42:34.414677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:34.414677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wiBuHq6Mz8BfVUrvqX9RRtYDV0sxbq1fqcKnI4RBIL/4RXSWn6sBUOW/cbktIh9epMJKyxN+LlARQUMIue9eAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:34.415143Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.03538","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62a65a7be62227ccae2a51be2abecb23c8a67595ab6b38cdf7eba4959d564ebe","sha256:4fdfdb61c7e985d8a423b40a6963b30ec70161ee3829235e0ef5480292c6eea3"],"state_sha256":"2524d674561960d2383d92e0a64e692d1fd336ecaebf5ee9f62134be3388af71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qQ2bZCncyM9ZnenEtUQ7grFwEtbrGra3J9lqCVofQ3zMiAHaqm1rUX8uP3+ripYcEZppV+u2LBQGc+UfZHx4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:52:54.542448Z","bundle_sha256":"0fa1aef2b5d7da7517e8f7f37a79db0938a2a72a2dd3a56fdc59ace7d3a06ddd"}}