{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YRYPMQ4EKCJ5AGME5J7QRTDK4U","short_pith_number":"pith:YRYPMQ4E","canonical_record":{"source":{"id":"2310.01174","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-10-02T13:06:45Z","cross_cats_sorted":[],"title_canon_sha256":"7652f498be5bfbabb6fb0f657adc6f3842517b002d1d1461cadfc1a579ae98c7","abstract_canon_sha256":"63857210d5330d2e9feeac4a46627c5d0dedd257f0d45825b560c313afe72f22"},"schema_version":"1.0"},"canonical_sha256":"c470f643845093d01984ea7f08cc6ae5033e317b493c23f9f5c119ef943cd641","source":{"kind":"arxiv","id":"2310.01174","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.01174","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"arxiv_version","alias_value":"2310.01174v3","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.01174","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"pith_short_12","alias_value":"YRYPMQ4EKCJ5","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"pith_short_16","alias_value":"YRYPMQ4EKCJ5AGME","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"pith_short_8","alias_value":"YRYPMQ4E","created_at":"2026-07-05T07:57:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YRYPMQ4EKCJ5AGME5J7QRTDK4U","target":"record","payload":{"canonical_record":{"source":{"id":"2310.01174","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-10-02T13:06:45Z","cross_cats_sorted":[],"title_canon_sha256":"7652f498be5bfbabb6fb0f657adc6f3842517b002d1d1461cadfc1a579ae98c7","abstract_canon_sha256":"63857210d5330d2e9feeac4a46627c5d0dedd257f0d45825b560c313afe72f22"},"schema_version":"1.0"},"canonical_sha256":"c470f643845093d01984ea7f08cc6ae5033e317b493c23f9f5c119ef943cd641","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:57:44.248531Z","signature_b64":"7o/kUlLV0BKZjIllCMKRMIrrSB9cHRPNf+MU8ag/l820UzKHJbfKmM3fR8T8MqUIupJHpDNyz48cMLVBINTpAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c470f643845093d01984ea7f08cc6ae5033e317b493c23f9f5c119ef943cd641","last_reissued_at":"2026-07-05T07:57:44.248031Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:57:44.248031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.01174","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:57:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4D+2QBx3reLCghEk3yC689eNfm4em4bijyHaTAQhIiuFWLC1NJDJbbtbRP5Zj/CDelXR6Rwm3t4TZhOWfRHdAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T18:24:23.308738Z"},"content_sha256":"e465a654333e6d241441422a7ecd965d0240f5b1e009707de5fd8d3051e88985","schema_version":"1.0","event_id":"sha256:e465a654333e6d241441422a7ecd965d0240f5b1e009707de5fd8d3051e88985"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YRYPMQ4EKCJ5AGME5J7QRTDK4U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Light Schr\\\"odinger Bridge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Alexander Korotin, Evgeny Burnaev, Nikita Gushchin","submitted_at":"2023-10-02T13:06:45Z","abstract_excerpt":"Despite the recent advances in the field of computational Schr\\\"odinger Bridges (SB), most existing SB solvers are still heavy-weighted and require complex optimization of several neural networks. It turns out that there is no principal solver which plays the role of simple-yet-effective baseline for SB just like, e.g., $k$-means method in clustering, logistic regression in classification or Sinkhorn algorithm in discrete optimal transport. We address this issue and propose a novel fast and simple SB solver. Our development is a smart combination of two ideas which recently appeared in the fie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.01174","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2310.01174/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:57:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZRsAL0Naw0lkzTYYDmmaJP/0Pif/9djXgMvj62SUeI3fWENUdzOzRbsR/GXC533IBsmTBtISoRQg3ocZswf9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T18:24:23.309325Z"},"content_sha256":"9c811968f551b0121cba48e522e2358fd4c4117c76d0ef8c2573ee4f6e79c528","schema_version":"1.0","event_id":"sha256:9c811968f551b0121cba48e522e2358fd4c4117c76d0ef8c2573ee4f6e79c528"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YRYPMQ4EKCJ5AGME5J7QRTDK4U/bundle.json","state_url":"https://pith.science/pith/YRYPMQ4EKCJ5AGME5J7QRTDK4U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YRYPMQ4EKCJ5AGME5J7QRTDK4U/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":"2026-08-08T18:24:23Z","links":{"resolver":"https://pith.science/pith/YRYPMQ4EKCJ5AGME5J7QRTDK4U","bundle":"https://pith.science/pith/YRYPMQ4EKCJ5AGME5J7QRTDK4U/bundle.json","state":"https://pith.science/pith/YRYPMQ4EKCJ5AGME5J7QRTDK4U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YRYPMQ4EKCJ5AGME5J7QRTDK4U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YRYPMQ4EKCJ5AGME5J7QRTDK4U","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":"63857210d5330d2e9feeac4a46627c5d0dedd257f0d45825b560c313afe72f22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-10-02T13:06:45Z","title_canon_sha256":"7652f498be5bfbabb6fb0f657adc6f3842517b002d1d1461cadfc1a579ae98c7"},"schema_version":"1.0","source":{"id":"2310.01174","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.01174","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"arxiv_version","alias_value":"2310.01174v3","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.01174","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"pith_short_12","alias_value":"YRYPMQ4EKCJ5","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"pith_short_16","alias_value":"YRYPMQ4EKCJ5AGME","created_at":"2026-07-05T07:57:44Z"},{"alias_kind":"pith_short_8","alias_value":"YRYPMQ4E","created_at":"2026-07-05T07:57:44Z"}],"graph_snapshots":[{"event_id":"sha256:9c811968f551b0121cba48e522e2358fd4c4117c76d0ef8c2573ee4f6e79c528","target":"graph","created_at":"2026-07-05T07:57:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2310.01174/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite the recent advances in the field of computational Schr\\\"odinger Bridges (SB), most existing SB solvers are still heavy-weighted and require complex optimization of several neural networks. It turns out that there is no principal solver which plays the role of simple-yet-effective baseline for SB just like, e.g., $k$-means method in clustering, logistic regression in classification or Sinkhorn algorithm in discrete optimal transport. We address this issue and propose a novel fast and simple SB solver. Our development is a smart combination of two ideas which recently appeared in the fie","authors_text":"Alexander Korotin, Evgeny Burnaev, Nikita Gushchin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-10-02T13:06:45Z","title":"Light Schr\\\"odinger Bridge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.01174","kind":"arxiv","version":3},"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:e465a654333e6d241441422a7ecd965d0240f5b1e009707de5fd8d3051e88985","target":"record","created_at":"2026-07-05T07:57:44Z","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":"63857210d5330d2e9feeac4a46627c5d0dedd257f0d45825b560c313afe72f22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-10-02T13:06:45Z","title_canon_sha256":"7652f498be5bfbabb6fb0f657adc6f3842517b002d1d1461cadfc1a579ae98c7"},"schema_version":"1.0","source":{"id":"2310.01174","kind":"arxiv","version":3}},"canonical_sha256":"c470f643845093d01984ea7f08cc6ae5033e317b493c23f9f5c119ef943cd641","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c470f643845093d01984ea7f08cc6ae5033e317b493c23f9f5c119ef943cd641","first_computed_at":"2026-07-05T07:57:44.248031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:57:44.248031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7o/kUlLV0BKZjIllCMKRMIrrSB9cHRPNf+MU8ag/l820UzKHJbfKmM3fR8T8MqUIupJHpDNyz48cMLVBINTpAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:57:44.248531Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.01174","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e465a654333e6d241441422a7ecd965d0240f5b1e009707de5fd8d3051e88985","sha256:9c811968f551b0121cba48e522e2358fd4c4117c76d0ef8c2573ee4f6e79c528"],"state_sha256":"21b0167033df63c4126ac34df2b1ce8813c64e3029d833d337d9efb497e1a209"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xOcLklxiBW+6VWc1LTWnOYop8l/fWUQ8rr0DBCALsgZK8QPnSbKmqJDAM82xLzwrLrR2DOY3wHmIJh1cMuy4Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T18:24:23.313485Z","bundle_sha256":"e4e2492644ce598867f47cf08ad266ee1dd230cdd7bf54ca58ad365dd14b95ba"}}