{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:SK5LVVIABTDIAISV7ZSXZ6DETI","short_pith_number":"pith:SK5LVVIA","canonical_record":{"source":{"id":"2108.02537","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2021-08-05T11:48:45Z","cross_cats_sorted":["cs.LG","physics.data-an","physics.geo-ph"],"title_canon_sha256":"1437b8e79f034e5a15f6c913be8c0c8d5a598f9e4f7769923adc95136ad77f00","abstract_canon_sha256":"b8ffabad6322057493c541949253768f531a6bb57cdbe32be6b6d22fe546554c"},"schema_version":"1.0"},"canonical_sha256":"92babad5000cc6802255fe657cf8649a02499d5b7f5c44f1141227051c7c1198","source":{"kind":"arxiv","id":"2108.02537","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.02537","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"arxiv_version","alias_value":"2108.02537v2","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.02537","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"pith_short_12","alias_value":"SK5LVVIABTDI","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"pith_short_16","alias_value":"SK5LVVIABTDIAISV","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"pith_short_8","alias_value":"SK5LVVIA","created_at":"2026-07-05T03:54:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:SK5LVVIABTDIAISV7ZSXZ6DETI","target":"record","payload":{"canonical_record":{"source":{"id":"2108.02537","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2021-08-05T11:48:45Z","cross_cats_sorted":["cs.LG","physics.data-an","physics.geo-ph"],"title_canon_sha256":"1437b8e79f034e5a15f6c913be8c0c8d5a598f9e4f7769923adc95136ad77f00","abstract_canon_sha256":"b8ffabad6322057493c541949253768f531a6bb57cdbe32be6b6d22fe546554c"},"schema_version":"1.0"},"canonical_sha256":"92babad5000cc6802255fe657cf8649a02499d5b7f5c44f1141227051c7c1198","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:54:22.644185Z","signature_b64":"w7SYibGTNDkdxj1mTnI6VD8c6r/RtZOLwOsB+e9gBAuX9qXThiWHBpOy55wkbJjBgqKkQM4OIVGvXSit6fgfBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92babad5000cc6802255fe657cf8649a02499d5b7f5c44f1141227051c7c1198","last_reissued_at":"2026-07-05T03:54:22.643742Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:54:22.643742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.02537","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":"2026-07-05T03:54:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xtfwa1U25Y1x7uPKnzqjJVYsQ08LSurtySWHWs9LHq1ki6oqjLAUVUPwahtkLqsfF5hh/muNvtEpaG7tHfggAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T01:50:54.236428Z"},"content_sha256":"1d703b8bfd05211b8693715d58bc483f5d3fb659af4b0c6f9a50f5ba10108a71","schema_version":"1.0","event_id":"sha256:1d703b8bfd05211b8693715d58bc483f5d3fb659af4b0c6f9a50f5ba10108a71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:SK5LVVIABTDIAISV7ZSXZ6DETI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Redatuming physical systems using symmetric autoencoders","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","physics.data-an","physics.geo-ph"],"primary_cat":"physics.comp-ph","authors_text":"Laurent Demanet, Matthew Li, Pawan Bharadwaj","submitted_at":"2021-08-05T11:48:45Z","abstract_excerpt":"This paper considers physical systems described by hidden states and indirectly observed through repeated measurements corrupted by unmodeled nuisance parameters. A network-based representation learns to disentangle the coherent information (relative to the state) from the incoherent nuisance information (relative to the sensing). Instead of physical models, the representation uses symmetry and stochastic regularization to inform an autoencoder architecture called SymAE. It enables redatuming, i.e., creating virtual data instances where the nuisances are uniformized across measurements."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.02537","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.02537/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":"2026-07-05T03:54:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NSpAY52inn5vVfMvICBf+wrDV1BItvfAvR13dG5VIYuvuy5z2lkzoZ6yQ5PRAHWL5uPpv7j8uMRw+hQb8cK0DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T01:50:54.236943Z"},"content_sha256":"6ffb1201e4a8a0888ad368cc6ca216260feb037ead73b4301a60b21e456da5e6","schema_version":"1.0","event_id":"sha256:6ffb1201e4a8a0888ad368cc6ca216260feb037ead73b4301a60b21e456da5e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SK5LVVIABTDIAISV7ZSXZ6DETI/bundle.json","state_url":"https://pith.science/pith/SK5LVVIABTDIAISV7ZSXZ6DETI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SK5LVVIABTDIAISV7ZSXZ6DETI/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":"2026-08-19T01:50:54Z","links":{"resolver":"https://pith.science/pith/SK5LVVIABTDIAISV7ZSXZ6DETI","bundle":"https://pith.science/pith/SK5LVVIABTDIAISV7ZSXZ6DETI/bundle.json","state":"https://pith.science/pith/SK5LVVIABTDIAISV7ZSXZ6DETI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SK5LVVIABTDIAISV7ZSXZ6DETI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:SK5LVVIABTDIAISV7ZSXZ6DETI","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":"b8ffabad6322057493c541949253768f531a6bb57cdbe32be6b6d22fe546554c","cross_cats_sorted":["cs.LG","physics.data-an","physics.geo-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2021-08-05T11:48:45Z","title_canon_sha256":"1437b8e79f034e5a15f6c913be8c0c8d5a598f9e4f7769923adc95136ad77f00"},"schema_version":"1.0","source":{"id":"2108.02537","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.02537","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"arxiv_version","alias_value":"2108.02537v2","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.02537","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"pith_short_12","alias_value":"SK5LVVIABTDI","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"pith_short_16","alias_value":"SK5LVVIABTDIAISV","created_at":"2026-07-05T03:54:22Z"},{"alias_kind":"pith_short_8","alias_value":"SK5LVVIA","created_at":"2026-07-05T03:54:22Z"}],"graph_snapshots":[{"event_id":"sha256:6ffb1201e4a8a0888ad368cc6ca216260feb037ead73b4301a60b21e456da5e6","target":"graph","created_at":"2026-07-05T03:54:22Z","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/2108.02537/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper considers physical systems described by hidden states and indirectly observed through repeated measurements corrupted by unmodeled nuisance parameters. A network-based representation learns to disentangle the coherent information (relative to the state) from the incoherent nuisance information (relative to the sensing). Instead of physical models, the representation uses symmetry and stochastic regularization to inform an autoencoder architecture called SymAE. It enables redatuming, i.e., creating virtual data instances where the nuisances are uniformized across measurements.","authors_text":"Laurent Demanet, Matthew Li, Pawan Bharadwaj","cross_cats":["cs.LG","physics.data-an","physics.geo-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2021-08-05T11:48:45Z","title":"Redatuming physical systems using symmetric autoencoders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.02537","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":"sha256:1d703b8bfd05211b8693715d58bc483f5d3fb659af4b0c6f9a50f5ba10108a71","target":"record","created_at":"2026-07-05T03:54:22Z","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":"b8ffabad6322057493c541949253768f531a6bb57cdbe32be6b6d22fe546554c","cross_cats_sorted":["cs.LG","physics.data-an","physics.geo-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2021-08-05T11:48:45Z","title_canon_sha256":"1437b8e79f034e5a15f6c913be8c0c8d5a598f9e4f7769923adc95136ad77f00"},"schema_version":"1.0","source":{"id":"2108.02537","kind":"arxiv","version":2}},"canonical_sha256":"92babad5000cc6802255fe657cf8649a02499d5b7f5c44f1141227051c7c1198","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92babad5000cc6802255fe657cf8649a02499d5b7f5c44f1141227051c7c1198","first_computed_at":"2026-07-05T03:54:22.643742Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:54:22.643742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w7SYibGTNDkdxj1mTnI6VD8c6r/RtZOLwOsB+e9gBAuX9qXThiWHBpOy55wkbJjBgqKkQM4OIVGvXSit6fgfBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:54:22.644185Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.02537","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d703b8bfd05211b8693715d58bc483f5d3fb659af4b0c6f9a50f5ba10108a71","sha256:6ffb1201e4a8a0888ad368cc6ca216260feb037ead73b4301a60b21e456da5e6"],"state_sha256":"5897cd0c88d0b3031cd13e3f57211b59f13ba3ab08c202c209e8b65870cb2650"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zYMcN5y+am1ti2ED5QUedmTUxUqXiFX7ZhaGEOIWzclnypj5qvBO1k96pWZJxSejBE0BW3IG/nu6RZix+UFaAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T01:50:54.241596Z","bundle_sha256":"d91224ca2bdea929ce76ae36bfca80e6a46742828e4e1aec85c9acbabfcbdb7e"}}