{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:XDPPRPH5GFV5YBVU5TPIU6A6XS","short_pith_number":"pith:XDPPRPH5","canonical_record":{"source":{"id":"2502.00108","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-01-31T19:00:21Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"bcb13022be5b3c5f4f12bca39959c6250990af18cc539dd69d79233c2387ca9a","abstract_canon_sha256":"b615c156bbe5f1133efe0b99e6c03c63f8b22e2199514c1e3398eebe1965163f"},"schema_version":"1.0"},"canonical_sha256":"b8def8bcfd316bdc06b4ecde8a781ebc83e162d80bb831465e70c562fc1c9dcb","source":{"kind":"arxiv","id":"2502.00108","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.00108","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"arxiv_version","alias_value":"2502.00108v1","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.00108","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"pith_short_12","alias_value":"XDPPRPH5GFV5","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"pith_short_16","alias_value":"XDPPRPH5GFV5YBVU","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"pith_short_8","alias_value":"XDPPRPH5","created_at":"2026-07-05T10:08:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:XDPPRPH5GFV5YBVU5TPIU6A6XS","target":"record","payload":{"canonical_record":{"source":{"id":"2502.00108","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-01-31T19:00:21Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"bcb13022be5b3c5f4f12bca39959c6250990af18cc539dd69d79233c2387ca9a","abstract_canon_sha256":"b615c156bbe5f1133efe0b99e6c03c63f8b22e2199514c1e3398eebe1965163f"},"schema_version":"1.0"},"canonical_sha256":"b8def8bcfd316bdc06b4ecde8a781ebc83e162d80bb831465e70c562fc1c9dcb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:08:03.107341Z","signature_b64":"aKuymoVvdwG1cILiyRXrYFq4Kbfl79KWRpn+Dm7tAwKstNTvBHx3zS3I/XvJ163rNEo211iUxRumi54upCfkAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8def8bcfd316bdc06b4ecde8a781ebc83e162d80bb831465e70c562fc1c9dcb","last_reissued_at":"2026-07-05T10:08:03.106933Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:08:03.106933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.00108","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":"2026-07-05T10:08:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XypSLPIqwXKtmtby4UmS2OzyCkDFZbbX3rOjWPw58Zym5RbjJdAY1u0WhSb3xv46vGYv/S9bq6+Teimr+QlRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:04:21.532794Z"},"content_sha256":"603ebdbd656062dfc2334be1865fc856540fbc5a97c3b886e791c9597c66c93a","schema_version":"1.0","event_id":"sha256:603ebdbd656062dfc2334be1865fc856540fbc5a97c3b886e791c9597c66c93a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:XDPPRPH5GFV5YBVU5TPIU6A6XS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tracking Most Significant Shifts in Infinite-Armed Bandits","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["stat.ML"],"primary_cat":"cs.LG","authors_text":"Joe Suk, Jung-Hun Kim","submitted_at":"2025-01-31T19:00:21Z","abstract_excerpt":"We study an infinite-armed bandit problem where actions' mean rewards are initially sampled from a reservoir distribution. Most prior works in this setting focused on stationary rewards (Berry et al., 1997; Wang et al., 2008; Bonald and Proutiere, 2013; Carpentier and Valko, 2015) with the more challenging adversarial/non-stationary variant only recently studied in the context of rotting/decreasing rewards (Kim et al., 2022; 2024). Furthermore, optimal regret upper bounds were only achieved using parameter knowledge of non-stationarity and only known for certain regimes of regularity of the re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.00108","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/2502.00108/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":"2026-07-05T10:08:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W8lIlD3XN4Y/WXNdn+5tWnvl5Qc/xKWLFrVCluEIQI3N3JsYyUlpiYxD8d9WapDWUw31VGou+osA6ta/x6aVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:04:21.533359Z"},"content_sha256":"14255d7008141d2c9268401aabc138cba6b627533263ef9367d5ca4cf5d269aa","schema_version":"1.0","event_id":"sha256:14255d7008141d2c9268401aabc138cba6b627533263ef9367d5ca4cf5d269aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XDPPRPH5GFV5YBVU5TPIU6A6XS/bundle.json","state_url":"https://pith.science/pith/XDPPRPH5GFV5YBVU5TPIU6A6XS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XDPPRPH5GFV5YBVU5TPIU6A6XS/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":"2026-08-10T14:04:21Z","links":{"resolver":"https://pith.science/pith/XDPPRPH5GFV5YBVU5TPIU6A6XS","bundle":"https://pith.science/pith/XDPPRPH5GFV5YBVU5TPIU6A6XS/bundle.json","state":"https://pith.science/pith/XDPPRPH5GFV5YBVU5TPIU6A6XS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XDPPRPH5GFV5YBVU5TPIU6A6XS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:XDPPRPH5GFV5YBVU5TPIU6A6XS","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":"b615c156bbe5f1133efe0b99e6c03c63f8b22e2199514c1e3398eebe1965163f","cross_cats_sorted":["stat.ML"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-01-31T19:00:21Z","title_canon_sha256":"bcb13022be5b3c5f4f12bca39959c6250990af18cc539dd69d79233c2387ca9a"},"schema_version":"1.0","source":{"id":"2502.00108","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.00108","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"arxiv_version","alias_value":"2502.00108v1","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.00108","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"pith_short_12","alias_value":"XDPPRPH5GFV5","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"pith_short_16","alias_value":"XDPPRPH5GFV5YBVU","created_at":"2026-07-05T10:08:03Z"},{"alias_kind":"pith_short_8","alias_value":"XDPPRPH5","created_at":"2026-07-05T10:08:03Z"}],"graph_snapshots":[{"event_id":"sha256:14255d7008141d2c9268401aabc138cba6b627533263ef9367d5ca4cf5d269aa","target":"graph","created_at":"2026-07-05T10:08:03Z","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/2502.00108/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study an infinite-armed bandit problem where actions' mean rewards are initially sampled from a reservoir distribution. Most prior works in this setting focused on stationary rewards (Berry et al., 1997; Wang et al., 2008; Bonald and Proutiere, 2013; Carpentier and Valko, 2015) with the more challenging adversarial/non-stationary variant only recently studied in the context of rotting/decreasing rewards (Kim et al., 2022; 2024). Furthermore, optimal regret upper bounds were only achieved using parameter knowledge of non-stationarity and only known for certain regimes of regularity of the re","authors_text":"Joe Suk, Jung-Hun Kim","cross_cats":["stat.ML"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-01-31T19:00:21Z","title":"Tracking Most Significant Shifts in Infinite-Armed Bandits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.00108","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":"sha256:603ebdbd656062dfc2334be1865fc856540fbc5a97c3b886e791c9597c66c93a","target":"record","created_at":"2026-07-05T10:08:03Z","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":"b615c156bbe5f1133efe0b99e6c03c63f8b22e2199514c1e3398eebe1965163f","cross_cats_sorted":["stat.ML"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-01-31T19:00:21Z","title_canon_sha256":"bcb13022be5b3c5f4f12bca39959c6250990af18cc539dd69d79233c2387ca9a"},"schema_version":"1.0","source":{"id":"2502.00108","kind":"arxiv","version":1}},"canonical_sha256":"b8def8bcfd316bdc06b4ecde8a781ebc83e162d80bb831465e70c562fc1c9dcb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8def8bcfd316bdc06b4ecde8a781ebc83e162d80bb831465e70c562fc1c9dcb","first_computed_at":"2026-07-05T10:08:03.106933Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:08:03.106933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aKuymoVvdwG1cILiyRXrYFq4Kbfl79KWRpn+Dm7tAwKstNTvBHx3zS3I/XvJ163rNEo211iUxRumi54upCfkAg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:08:03.107341Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.00108","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:603ebdbd656062dfc2334be1865fc856540fbc5a97c3b886e791c9597c66c93a","sha256:14255d7008141d2c9268401aabc138cba6b627533263ef9367d5ca4cf5d269aa"],"state_sha256":"9760cd5ed50def5dcbe706d3bb7e5faa55701ec3cc38f199a7582f5b55fd8cfc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NCDZaCzoX6B6XwiCNP0FLS+OB9LBRQ7gY0TRtAtG1vy0lpLk0p8ySdk/xMcIx1b+3i2ldCq3TUxk6wiU6GhZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T14:04:21.538634Z","bundle_sha256":"a404a024c9f449c547798f0c2feaa59d984e670c4d6f4d8eb8069b8138f33ed6"}}