{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:EEHSEZIT7VHRSV7JTBDPD6IOTU","short_pith_number":"pith:EEHSEZIT","canonical_record":{"source":{"id":"2607.15587","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T03:18:17Z","cross_cats_sorted":[],"title_canon_sha256":"362e20dfb489a288b3da4fce0db66f26f885f8f1564b7ba549c2d6a575fc36b9","abstract_canon_sha256":"186c7f9126d83ce0cad4b1cf673266ec4e6d86394a5de51855ebff1a999d1aaf"},"schema_version":"1.0"},"canonical_sha256":"210f226513fd4f1957e99846f1f90e9d3d3d94b051c1b689832c7d65568fcc73","source":{"kind":"arxiv","id":"2607.15587","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.15587","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"arxiv_version","alias_value":"2607.15587v1","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.15587","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"pith_short_12","alias_value":"EEHSEZIT7VHR","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"pith_short_16","alias_value":"EEHSEZIT7VHRSV7J","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"pith_short_8","alias_value":"EEHSEZIT","created_at":"2026-07-20T00:18:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:EEHSEZIT7VHRSV7JTBDPD6IOTU","target":"record","payload":{"canonical_record":{"source":{"id":"2607.15587","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T03:18:17Z","cross_cats_sorted":[],"title_canon_sha256":"362e20dfb489a288b3da4fce0db66f26f885f8f1564b7ba549c2d6a575fc36b9","abstract_canon_sha256":"186c7f9126d83ce0cad4b1cf673266ec4e6d86394a5de51855ebff1a999d1aaf"},"schema_version":"1.0"},"canonical_sha256":"210f226513fd4f1957e99846f1f90e9d3d3d94b051c1b689832c7d65568fcc73","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-20T00:18:41.766042Z","signature_b64":"BUw7x2c3Htl2n1DIhslBkvNsyVDEGxcTYg0mml1gAUEwWeHjeyMUvLIboGFtbR5mgmAoiHeMo7QQPFGqjf/zCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"210f226513fd4f1957e99846f1f90e9d3d3d94b051c1b689832c7d65568fcc73","last_reissued_at":"2026-07-20T00:18:41.765124Z","signature_status":"signed_v1","first_computed_at":"2026-07-20T00:18:41.765124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.15587","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":"2026-07-20T00:18:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DphFZkuah89m0xTdQ+q1Hj5MOznbpafjoGk0jHtD7vg33YVwR5bTRH7KBGVSWzCrEG3qZwAdSA807DKkT1ItBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:14:43.499470Z"},"content_sha256":"3c2b7cd74da367ded9ae6fea5cae27861b19db44f2b658ec2bee71512a9535d1","schema_version":"1.0","event_id":"sha256:3c2b7cd74da367ded9ae6fea5cae27861b19db44f2b658ec2bee71512a9535d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:EEHSEZIT7VHRSV7JTBDPD6IOTU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rethinking Transfer in Continual Learning: A Replay-Based Realisation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Yang Meng, Yuxin Chen, Zhenya Liu, Zhuokai Zhao","submitted_at":"2026-07-17T03:18:17Z","abstract_excerpt":"Continual learning studies how deployed language models can continually acquire new tasks without expensive retraining from scratch. Existing methods, whether rehearsal-based (replaying stored past data) or rehearsal-free (regularising or isolating parameters), overwhelmingly target one objective: preventing catastrophic forgetting. Forward transfer, the past helping the future, has meanwhile been pursued almost exclusively through parameter reuse, with no explicit account of when transfer should be expected at all. We begin one step earlier: before designing a transfer mechanism, we ask when "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.15587","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/2607.15587/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":"2026-07-20T00:18:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8olr+XlI2Bkq7F/SPU7iwgBLVDT0oiDoBzj8R8LJHNp/r7xAEs3ttyTdH8V/P1NLuzVzdzzLcfjsw5NrkvYNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:14:43.500262Z"},"content_sha256":"0aac0a1221ed161f19eefc015097454382bebd51bfef0f19e9e973f3120f3a3f","schema_version":"1.0","event_id":"sha256:0aac0a1221ed161f19eefc015097454382bebd51bfef0f19e9e973f3120f3a3f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EEHSEZIT7VHRSV7JTBDPD6IOTU/bundle.json","state_url":"https://pith.science/pith/EEHSEZIT7VHRSV7JTBDPD6IOTU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EEHSEZIT7VHRSV7JTBDPD6IOTU/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":"2026-08-03T20:14:43Z","links":{"resolver":"https://pith.science/pith/EEHSEZIT7VHRSV7JTBDPD6IOTU","bundle":"https://pith.science/pith/EEHSEZIT7VHRSV7JTBDPD6IOTU/bundle.json","state":"https://pith.science/pith/EEHSEZIT7VHRSV7JTBDPD6IOTU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EEHSEZIT7VHRSV7JTBDPD6IOTU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:EEHSEZIT7VHRSV7JTBDPD6IOTU","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":"186c7f9126d83ce0cad4b1cf673266ec4e6d86394a5de51855ebff1a999d1aaf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T03:18:17Z","title_canon_sha256":"362e20dfb489a288b3da4fce0db66f26f885f8f1564b7ba549c2d6a575fc36b9"},"schema_version":"1.0","source":{"id":"2607.15587","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.15587","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"arxiv_version","alias_value":"2607.15587v1","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.15587","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"pith_short_12","alias_value":"EEHSEZIT7VHR","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"pith_short_16","alias_value":"EEHSEZIT7VHRSV7J","created_at":"2026-07-20T00:18:41Z"},{"alias_kind":"pith_short_8","alias_value":"EEHSEZIT","created_at":"2026-07-20T00:18:41Z"}],"graph_snapshots":[{"event_id":"sha256:0aac0a1221ed161f19eefc015097454382bebd51bfef0f19e9e973f3120f3a3f","target":"graph","created_at":"2026-07-20T00:18:41Z","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/2607.15587/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Continual learning studies how deployed language models can continually acquire new tasks without expensive retraining from scratch. Existing methods, whether rehearsal-based (replaying stored past data) or rehearsal-free (regularising or isolating parameters), overwhelmingly target one objective: preventing catastrophic forgetting. Forward transfer, the past helping the future, has meanwhile been pursued almost exclusively through parameter reuse, with no explicit account of when transfer should be expected at all. We begin one step earlier: before designing a transfer mechanism, we ask when ","authors_text":"Yang Meng, Yuxin Chen, Zhenya Liu, Zhuokai Zhao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T03:18:17Z","title":"Rethinking Transfer in Continual Learning: A Replay-Based Realisation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.15587","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":"sha256:3c2b7cd74da367ded9ae6fea5cae27861b19db44f2b658ec2bee71512a9535d1","target":"record","created_at":"2026-07-20T00:18:41Z","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":"186c7f9126d83ce0cad4b1cf673266ec4e6d86394a5de51855ebff1a999d1aaf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T03:18:17Z","title_canon_sha256":"362e20dfb489a288b3da4fce0db66f26f885f8f1564b7ba549c2d6a575fc36b9"},"schema_version":"1.0","source":{"id":"2607.15587","kind":"arxiv","version":1}},"canonical_sha256":"210f226513fd4f1957e99846f1f90e9d3d3d94b051c1b689832c7d65568fcc73","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"210f226513fd4f1957e99846f1f90e9d3d3d94b051c1b689832c7d65568fcc73","first_computed_at":"2026-07-20T00:18:41.765124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-20T00:18:41.765124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BUw7x2c3Htl2n1DIhslBkvNsyVDEGxcTYg0mml1gAUEwWeHjeyMUvLIboGFtbR5mgmAoiHeMo7QQPFGqjf/zCw==","signature_status":"signed_v1","signed_at":"2026-07-20T00:18:41.766042Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.15587","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c2b7cd74da367ded9ae6fea5cae27861b19db44f2b658ec2bee71512a9535d1","sha256:0aac0a1221ed161f19eefc015097454382bebd51bfef0f19e9e973f3120f3a3f"],"state_sha256":"a9c85f5d3157ed1f1201eb60bf9eca657f08f614bdabf530b593e9a2bc92ed61"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4ZLHxzUCBURfVqqSXjWLrJXr+kTps4sFxMQw1HphkFVUwiNZMeKNxTv4Fwt7ItzHPlZnMYS1IcR9LzhjYh63Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T20:14:43.511060Z","bundle_sha256":"9c3905efcb90b3e0a08f62adf4e17b52b4fed8eb37aba58f0cc0dcf1916ec8e1"}}