{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:SCFBZOP24DG32XK6CVM72L5GRJ","short_pith_number":"pith:SCFBZOP2","canonical_record":{"source":{"id":"2606.31396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-06-30T09:25:02Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"75b7efc36009361e82954dd27b6723d1a894ea452bd31da11255412723ea0491","abstract_canon_sha256":"eb2e7bf81d44d7cd7474b2bb8b38e8e8d2b488726dc3db7034dc674ae316b2a8"},"schema_version":"1.0"},"canonical_sha256":"908a1cb9fae0cdbd5d5e1559fd2fa68a59eb3aa17c65bc28e102fab3391b6e99","source":{"kind":"arxiv","id":"2606.31396","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31396","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31396v1","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31396","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"pith_short_12","alias_value":"SCFBZOP24DG3","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"pith_short_16","alias_value":"SCFBZOP24DG32XK6","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"pith_short_8","alias_value":"SCFBZOP2","created_at":"2026-07-01T01:18:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:SCFBZOP24DG32XK6CVM72L5GRJ","target":"record","payload":{"canonical_record":{"source":{"id":"2606.31396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-06-30T09:25:02Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"75b7efc36009361e82954dd27b6723d1a894ea452bd31da11255412723ea0491","abstract_canon_sha256":"eb2e7bf81d44d7cd7474b2bb8b38e8e8d2b488726dc3db7034dc674ae316b2a8"},"schema_version":"1.0"},"canonical_sha256":"908a1cb9fae0cdbd5d5e1559fd2fa68a59eb3aa17c65bc28e102fab3391b6e99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T01:18:01.829048Z","signature_b64":"CUWyqUo5ZMcXHsh5saU4rfg1gdGEgauaIdXCOtNkQ8Jrd9oQA5pG3r0YqsL4PVEXL7pL3OknNs6pvZiOqgOcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"908a1cb9fae0cdbd5d5e1559fd2fa68a59eb3aa17c65bc28e102fab3391b6e99","last_reissued_at":"2026-07-01T01:18:01.828639Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T01:18:01.828639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.31396","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":"2026-07-01T01:18:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FRitjzgvRfveNL/azJr44owqlpXVVd1g75yqrjxUqud27zxNgO7n8TxuTmhGPmuzdxRbQ6bfENA5XZoisbXtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T03:39:59.286741Z"},"content_sha256":"63de714ebda1e5211cb910d3fb09a536bd19eb29257bb91f57b269854e530fd5","schema_version":"1.0","event_id":"sha256:63de714ebda1e5211cb910d3fb09a536bd19eb29257bb91f57b269854e530fd5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:SCFBZOP24DG32XK6CVM72L5GRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sensing-Limited Control Under Non-Designable Observation Mechanisms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Fan Liu, Jie Xu, Ming Li, Tao Liu, Yifeng Xiong","submitted_at":"2026-06-30T09:25:02Z","abstract_excerpt":"We study the information-theoretic limits of controlling unstable linear systems through non-designable observation mechanisms. Unlike classical communication-constrained control, the information bottleneck lies in the observation mechanism rather than in a designable encoder-channel interface. For noiseless linear dynamics, we derive necessary conditions for mean-square observability and stabilizability, showing that the directed information rate from the unstable state process to the observation process must dominate the open-loop expansion rate of the unstable modes. We further show that th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31396","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.31396/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":"2026-07-01T01:18:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dSpT7RJKBXxpaS5YYmQ06q0qcrDltBaRVKczGbNr3tMOrMIaVDCl0NNcxGfROe5qjIB7Bsu7RS3qGxnrGkZyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T03:39:59.287112Z"},"content_sha256":"8a52f9c90227bd586c3e5b415bdf73eb75abe415d25c2bafabbef46b5385e0d8","schema_version":"1.0","event_id":"sha256:8a52f9c90227bd586c3e5b415bdf73eb75abe415d25c2bafabbef46b5385e0d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SCFBZOP24DG32XK6CVM72L5GRJ/bundle.json","state_url":"https://pith.science/pith/SCFBZOP24DG32XK6CVM72L5GRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SCFBZOP24DG32XK6CVM72L5GRJ/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":"2026-07-09T03:39:59Z","links":{"resolver":"https://pith.science/pith/SCFBZOP24DG32XK6CVM72L5GRJ","bundle":"https://pith.science/pith/SCFBZOP24DG32XK6CVM72L5GRJ/bundle.json","state":"https://pith.science/pith/SCFBZOP24DG32XK6CVM72L5GRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SCFBZOP24DG32XK6CVM72L5GRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SCFBZOP24DG32XK6CVM72L5GRJ","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":"eb2e7bf81d44d7cd7474b2bb8b38e8e8d2b488726dc3db7034dc674ae316b2a8","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-06-30T09:25:02Z","title_canon_sha256":"75b7efc36009361e82954dd27b6723d1a894ea452bd31da11255412723ea0491"},"schema_version":"1.0","source":{"id":"2606.31396","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31396","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31396v1","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31396","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"pith_short_12","alias_value":"SCFBZOP24DG3","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"pith_short_16","alias_value":"SCFBZOP24DG32XK6","created_at":"2026-07-01T01:18:01Z"},{"alias_kind":"pith_short_8","alias_value":"SCFBZOP2","created_at":"2026-07-01T01:18:01Z"}],"graph_snapshots":[{"event_id":"sha256:8a52f9c90227bd586c3e5b415bdf73eb75abe415d25c2bafabbef46b5385e0d8","target":"graph","created_at":"2026-07-01T01:18:01Z","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/2606.31396/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the information-theoretic limits of controlling unstable linear systems through non-designable observation mechanisms. Unlike classical communication-constrained control, the information bottleneck lies in the observation mechanism rather than in a designable encoder-channel interface. For noiseless linear dynamics, we derive necessary conditions for mean-square observability and stabilizability, showing that the directed information rate from the unstable state process to the observation process must dominate the open-loop expansion rate of the unstable modes. We further show that th","authors_text":"Fan Liu, Jie Xu, Ming Li, Tao Liu, Yifeng Xiong","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-06-30T09:25:02Z","title":"Sensing-Limited Control Under Non-Designable Observation Mechanisms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31396","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":"sha256:63de714ebda1e5211cb910d3fb09a536bd19eb29257bb91f57b269854e530fd5","target":"record","created_at":"2026-07-01T01:18:01Z","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":"eb2e7bf81d44d7cd7474b2bb8b38e8e8d2b488726dc3db7034dc674ae316b2a8","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-06-30T09:25:02Z","title_canon_sha256":"75b7efc36009361e82954dd27b6723d1a894ea452bd31da11255412723ea0491"},"schema_version":"1.0","source":{"id":"2606.31396","kind":"arxiv","version":1}},"canonical_sha256":"908a1cb9fae0cdbd5d5e1559fd2fa68a59eb3aa17c65bc28e102fab3391b6e99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"908a1cb9fae0cdbd5d5e1559fd2fa68a59eb3aa17c65bc28e102fab3391b6e99","first_computed_at":"2026-07-01T01:18:01.828639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T01:18:01.828639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CUWyqUo5ZMcXHsh5saU4rfg1gdGEgauaIdXCOtNkQ8Jrd9oQA5pG3r0YqsL4PVEXL7pL3OknNs6pvZiOqgOcDw==","signature_status":"signed_v1","signed_at":"2026-07-01T01:18:01.829048Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.31396","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63de714ebda1e5211cb910d3fb09a536bd19eb29257bb91f57b269854e530fd5","sha256:8a52f9c90227bd586c3e5b415bdf73eb75abe415d25c2bafabbef46b5385e0d8"],"state_sha256":"b3a08ec04e60d2040e843b011e9a4b68c7337ec4b840a23acf48dcab9b5e59e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b8CZVxunK0sQFmvEwedkBhJIz3uQB3A0T09rfVQ3BRruclpF1PhIOJqAez890IhagGUB4msiRmw6VzVpzVckCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T03:39:59.289168Z","bundle_sha256":"08c2e43aad2bdaae1f30203a2bbf35398e12c0498f9e4a6df80c2d8d013148dc"}}