{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:L7LAPQ4BKS7PX3EJAQ6VMAVN73","short_pith_number":"pith:L7LAPQ4B","canonical_record":{"source":{"id":"1611.01230","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2016-11-04T00:29:02Z","cross_cats_sorted":["cs.CV","physics.data-an"],"title_canon_sha256":"5027bdbe9b3da984b7425c06d14f2f7281f23b6d34955ea0ec356e3a808521b8","abstract_canon_sha256":"9bf5ed4595927fb44f09e06bc61246c8146e354861b45f71b7c973dbca8c4d2e"},"schema_version":"1.0"},"canonical_sha256":"5fd607c38154befbec89043d5602adfef34ca42c15e5ccd9703b256b608af989","source":{"kind":"arxiv","id":"1611.01230","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01230","created_at":"2026-05-18T00:07:51Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01230v2","created_at":"2026-05-18T00:07:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01230","created_at":"2026-05-18T00:07:51Z"},{"alias_kind":"pith_short_12","alias_value":"L7LAPQ4BKS7P","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"L7LAPQ4BKS7PX3EJ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"L7LAPQ4B","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:L7LAPQ4BKS7PX3EJAQ6VMAVN73","target":"record","payload":{"canonical_record":{"source":{"id":"1611.01230","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2016-11-04T00:29:02Z","cross_cats_sorted":["cs.CV","physics.data-an"],"title_canon_sha256":"5027bdbe9b3da984b7425c06d14f2f7281f23b6d34955ea0ec356e3a808521b8","abstract_canon_sha256":"9bf5ed4595927fb44f09e06bc61246c8146e354861b45f71b7c973dbca8c4d2e"},"schema_version":"1.0"},"canonical_sha256":"5fd607c38154befbec89043d5602adfef34ca42c15e5ccd9703b256b608af989","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:51.046221Z","signature_b64":"b+0AQWZlBzvhU4m0MKe1ibpzXuoAj381u0JKuAiMRVXyupv0iuc+oNAMauBK+c0eHvqyvV5fHwBc/MnoUNmdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fd607c38154befbec89043d5602adfef34ca42c15e5ccd9703b256b608af989","last_reissued_at":"2026-05-18T00:07:51.045449Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:51.045449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.01230","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":"2026-05-18T00:07:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2njGJlC7RzhM++qFblw7e/ex7XF/ad/2pUqg+ZE3xQUGH93z3IoeA2M59IFqHUYxyz3Ok77D64HS9Y93Tz0DCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T06:26:00.301144Z"},"content_sha256":"a5508666075bac8780d007006822a991b2fa04466d11fdc8d0905afa72ee784b","schema_version":"1.0","event_id":"sha256:a5508666075bac8780d007006822a991b2fa04466d11fdc8d0905afa72ee784b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:L7LAPQ4BKS7PX3EJAQ6VMAVN73","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bayesian Optical Flow with Uncertainty Quantification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","physics.data-an"],"primary_cat":"stat.ML","authors_text":"Erik Bollt, Fernando J. Quevedo, Jie Sun","submitted_at":"2016-11-04T00:29:02Z","abstract_excerpt":"Optical flow refers to the visual motion observed between two consecutive images. Since the degree of freedom is typically much larger than the constraints imposed by the image observations, the straightforward formulation of optical flow as an inverse problem is ill-posed. Standard approaches to determine optical flow rely on formulating and solving an optimization problem that contains both a data fidelity term and a regularization term, the latter effectively resolves the otherwise ill-posedness of the inverse problem. In this work, we depart from the deterministic formalism, and instead tr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01230","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":"2026-05-18T00:07:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WDdZETHCk5IqQiqAxVpXt+UcV2yBU5LZ4e2tuEX+z8dFbtWu5NDpAV1k6H8AWFVszTXmblwHV2FObwldGh3zDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T06:26:00.301501Z"},"content_sha256":"1158702d9c35d74c7188247a88c6c9c78fe5204eafa72cbd4fafb969f53598a6","schema_version":"1.0","event_id":"sha256:1158702d9c35d74c7188247a88c6c9c78fe5204eafa72cbd4fafb969f53598a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L7LAPQ4BKS7PX3EJAQ6VMAVN73/bundle.json","state_url":"https://pith.science/pith/L7LAPQ4BKS7PX3EJAQ6VMAVN73/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L7LAPQ4BKS7PX3EJAQ6VMAVN73/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":"2026-06-27T06:26:00Z","links":{"resolver":"https://pith.science/pith/L7LAPQ4BKS7PX3EJAQ6VMAVN73","bundle":"https://pith.science/pith/L7LAPQ4BKS7PX3EJAQ6VMAVN73/bundle.json","state":"https://pith.science/pith/L7LAPQ4BKS7PX3EJAQ6VMAVN73/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L7LAPQ4BKS7PX3EJAQ6VMAVN73/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:L7LAPQ4BKS7PX3EJAQ6VMAVN73","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":"9bf5ed4595927fb44f09e06bc61246c8146e354861b45f71b7c973dbca8c4d2e","cross_cats_sorted":["cs.CV","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2016-11-04T00:29:02Z","title_canon_sha256":"5027bdbe9b3da984b7425c06d14f2f7281f23b6d34955ea0ec356e3a808521b8"},"schema_version":"1.0","source":{"id":"1611.01230","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01230","created_at":"2026-05-18T00:07:51Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01230v2","created_at":"2026-05-18T00:07:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01230","created_at":"2026-05-18T00:07:51Z"},{"alias_kind":"pith_short_12","alias_value":"L7LAPQ4BKS7P","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"L7LAPQ4BKS7PX3EJ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"L7LAPQ4B","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:1158702d9c35d74c7188247a88c6c9c78fe5204eafa72cbd4fafb969f53598a6","target":"graph","created_at":"2026-05-18T00:07:51Z","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":"Optical flow refers to the visual motion observed between two consecutive images. Since the degree of freedom is typically much larger than the constraints imposed by the image observations, the straightforward formulation of optical flow as an inverse problem is ill-posed. Standard approaches to determine optical flow rely on formulating and solving an optimization problem that contains both a data fidelity term and a regularization term, the latter effectively resolves the otherwise ill-posedness of the inverse problem. In this work, we depart from the deterministic formalism, and instead tr","authors_text":"Erik Bollt, Fernando J. Quevedo, Jie Sun","cross_cats":["cs.CV","physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2016-11-04T00:29:02Z","title":"Bayesian Optical Flow with Uncertainty Quantification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01230","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:a5508666075bac8780d007006822a991b2fa04466d11fdc8d0905afa72ee784b","target":"record","created_at":"2026-05-18T00:07:51Z","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":"9bf5ed4595927fb44f09e06bc61246c8146e354861b45f71b7c973dbca8c4d2e","cross_cats_sorted":["cs.CV","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2016-11-04T00:29:02Z","title_canon_sha256":"5027bdbe9b3da984b7425c06d14f2f7281f23b6d34955ea0ec356e3a808521b8"},"schema_version":"1.0","source":{"id":"1611.01230","kind":"arxiv","version":2}},"canonical_sha256":"5fd607c38154befbec89043d5602adfef34ca42c15e5ccd9703b256b608af989","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5fd607c38154befbec89043d5602adfef34ca42c15e5ccd9703b256b608af989","first_computed_at":"2026-05-18T00:07:51.045449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:51.045449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b+0AQWZlBzvhU4m0MKe1ibpzXuoAj381u0JKuAiMRVXyupv0iuc+oNAMauBK+c0eHvqyvV5fHwBc/MnoUNmdBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:51.046221Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.01230","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5508666075bac8780d007006822a991b2fa04466d11fdc8d0905afa72ee784b","sha256:1158702d9c35d74c7188247a88c6c9c78fe5204eafa72cbd4fafb969f53598a6"],"state_sha256":"3065db9fab831886b88321153d9d7ae4a711bf96368183b186f379cd89024baa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DwCmBFSy1sbe2OjH2c3nN8lrq0DD/Xz8kkS2+bK8Sj10PrGyCVBM8/TIPEIZLmReIiL7hTNVDUZje8/3d3BBBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T06:26:00.303392Z","bundle_sha256":"cea747e648c8283f907ebcf55db1e25577c761e6c3de99dd04ad2079916f8dd7"}}