{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IFN7GLA7GXDCFRBXZ5XDFD3MN6","short_pith_number":"pith:IFN7GLA7","canonical_record":{"source":{"id":"1511.06063","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2015-11-19T05:39:16Z","cross_cats_sorted":["stat.AP","stat.ML"],"title_canon_sha256":"5671d9c8727f5e3c1f10b29520696a5cbbd1d692e5d71b47de88d1d4cc8d9da1","abstract_canon_sha256":"0df1ea4d90648bac14eef4b5345795017d62310690a85ae7a383e3ae1c42d34c"},"schema_version":"1.0"},"canonical_sha256":"415bf32c1f35c622c437cf6e328f6c6f94cdcbc2b7a3655c5fd23dd41bf8695b","source":{"kind":"arxiv","id":"1511.06063","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06063","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06063v2","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06063","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"pith_short_12","alias_value":"IFN7GLA7GXDC","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IFN7GLA7GXDCFRBX","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IFN7GLA7","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IFN7GLA7GXDCFRBXZ5XDFD3MN6","target":"record","payload":{"canonical_record":{"source":{"id":"1511.06063","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2015-11-19T05:39:16Z","cross_cats_sorted":["stat.AP","stat.ML"],"title_canon_sha256":"5671d9c8727f5e3c1f10b29520696a5cbbd1d692e5d71b47de88d1d4cc8d9da1","abstract_canon_sha256":"0df1ea4d90648bac14eef4b5345795017d62310690a85ae7a383e3ae1c42d34c"},"schema_version":"1.0"},"canonical_sha256":"415bf32c1f35c622c437cf6e328f6c6f94cdcbc2b7a3655c5fd23dd41bf8695b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:49.454471Z","signature_b64":"OVZU6GQFCpE+oQr8+ts1Fe0mextzzJbLWrL1Soj1JdB0WIp6GieYettHADb3nSqjptGO/7glwVNBwt9+bXMEDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"415bf32c1f35c622c437cf6e328f6c6f94cdcbc2b7a3655c5fd23dd41bf8695b","last_reissued_at":"2026-05-18T01:12:49.454105Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:49.454105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.06063","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ybaHnQvWCccwDmRARTiLmrTKLvAO0uiC2OVmbR9JqqoPobTWZKloBk1qQW7RQ/7SgapnoHWx4nz4NW1qUYTvDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:11:44.621840Z"},"content_sha256":"0858c45a63709f9b1b89793a4909181c30d686c6a1618ce2db63194ea91f308e","schema_version":"1.0","event_id":"sha256:0858c45a63709f9b1b89793a4909181c30d686c6a1618ce2db63194ea91f308e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IFN7GLA7GXDCFRBXZ5XDFD3MN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Novel Approach for Phase Identification in Smart Grids Using Graph Theory and Principal Component Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.AP","stat.ML"],"primary_cat":"cs.LG","authors_text":"Aravind Rajeswaran, Nirav P Bhatt, P Satya Jayadev, Ramkrishna Pasumarthy","submitted_at":"2015-11-19T05:39:16Z","abstract_excerpt":"Consumers with low demand, like households, are generally supplied single-phase power by connecting their service mains to one of the phases of a distribution transformer. The distribution companies face the problem of keeping a record of consumer connectivity to a phase due to uninformed changes that happen. The exact phase connectivity information is important for the efficient operation and control of distribution system. We propose a new data driven approach to the problem based on Principal Component Analysis (PCA) and its Graph Theoretic interpretations, using energy measurements in equa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06063","kind":"arxiv","version":2},"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":"2026-05-18T01:12:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fwv9mvrizRj7MvsJq7teeZmfQ9KBg9rBnaaa+xh3cSXR89qyF2UeCrGBUgQquFsXIRlxU79HCKd5HsjZki+nDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:11:44.622565Z"},"content_sha256":"a061665253538fda35280ec606444d27c083a5a38b68bd166fa8f5f6ffd34b1e","schema_version":"1.0","event_id":"sha256:a061665253538fda35280ec606444d27c083a5a38b68bd166fa8f5f6ffd34b1e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IFN7GLA7GXDCFRBXZ5XDFD3MN6/bundle.json","state_url":"https://pith.science/pith/IFN7GLA7GXDCFRBXZ5XDFD3MN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IFN7GLA7GXDCFRBXZ5XDFD3MN6/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":"2026-05-18T23:11:44Z","links":{"resolver":"https://pith.science/pith/IFN7GLA7GXDCFRBXZ5XDFD3MN6","bundle":"https://pith.science/pith/IFN7GLA7GXDCFRBXZ5XDFD3MN6/bundle.json","state":"https://pith.science/pith/IFN7GLA7GXDCFRBXZ5XDFD3MN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IFN7GLA7GXDCFRBXZ5XDFD3MN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IFN7GLA7GXDCFRBXZ5XDFD3MN6","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":"0df1ea4d90648bac14eef4b5345795017d62310690a85ae7a383e3ae1c42d34c","cross_cats_sorted":["stat.AP","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2015-11-19T05:39:16Z","title_canon_sha256":"5671d9c8727f5e3c1f10b29520696a5cbbd1d692e5d71b47de88d1d4cc8d9da1"},"schema_version":"1.0","source":{"id":"1511.06063","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06063","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06063v2","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06063","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"pith_short_12","alias_value":"IFN7GLA7GXDC","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IFN7GLA7GXDCFRBX","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IFN7GLA7","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:a061665253538fda35280ec606444d27c083a5a38b68bd166fa8f5f6ffd34b1e","target":"graph","created_at":"2026-05-18T01:12:49Z","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":"Consumers with low demand, like households, are generally supplied single-phase power by connecting their service mains to one of the phases of a distribution transformer. The distribution companies face the problem of keeping a record of consumer connectivity to a phase due to uninformed changes that happen. The exact phase connectivity information is important for the efficient operation and control of distribution system. We propose a new data driven approach to the problem based on Principal Component Analysis (PCA) and its Graph Theoretic interpretations, using energy measurements in equa","authors_text":"Aravind Rajeswaran, Nirav P Bhatt, P Satya Jayadev, Ramkrishna Pasumarthy","cross_cats":["stat.AP","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2015-11-19T05:39:16Z","title":"A Novel Approach for Phase Identification in Smart Grids Using Graph Theory and Principal Component Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06063","kind":"arxiv","version":2},"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":"sha256:0858c45a63709f9b1b89793a4909181c30d686c6a1618ce2db63194ea91f308e","target":"record","created_at":"2026-05-18T01:12:49Z","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":"0df1ea4d90648bac14eef4b5345795017d62310690a85ae7a383e3ae1c42d34c","cross_cats_sorted":["stat.AP","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2015-11-19T05:39:16Z","title_canon_sha256":"5671d9c8727f5e3c1f10b29520696a5cbbd1d692e5d71b47de88d1d4cc8d9da1"},"schema_version":"1.0","source":{"id":"1511.06063","kind":"arxiv","version":2}},"canonical_sha256":"415bf32c1f35c622c437cf6e328f6c6f94cdcbc2b7a3655c5fd23dd41bf8695b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"415bf32c1f35c622c437cf6e328f6c6f94cdcbc2b7a3655c5fd23dd41bf8695b","first_computed_at":"2026-05-18T01:12:49.454105Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:49.454105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OVZU6GQFCpE+oQr8+ts1Fe0mextzzJbLWrL1Soj1JdB0WIp6GieYettHADb3nSqjptGO/7glwVNBwt9+bXMEDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:49.454471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06063","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0858c45a63709f9b1b89793a4909181c30d686c6a1618ce2db63194ea91f308e","sha256:a061665253538fda35280ec606444d27c083a5a38b68bd166fa8f5f6ffd34b1e"],"state_sha256":"082d9f04880a9c605ab7f3090fe6b757fc4749c1964212bdd1037022052b2477"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8RBPAcTrDPlQX/E76/UyaAUwaR8sGop29a6PXnKkDowS5spBlwGGuys0GQcmP+3sKoHHZfrLzNIW5Shsde9xCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T23:11:44.624740Z","bundle_sha256":"632dd5d69a9b2a0eea3e9678119d1279f1bd4cda6f7909eb7323bb16141a13fe"}}