{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:T3KYSRC2QHLQCI4WX23YUJRKB7","short_pith_number":"pith:T3KYSRC2","canonical_record":{"source":{"id":"2404.03646","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-04T17:58:31Z","cross_cats_sorted":[],"title_canon_sha256":"78c5df23935009875eb5de865d3df84d9d3a96507554b4a5783b16e8548d5891","abstract_canon_sha256":"9828e4480d38e85400d8015a2917a51a059e0b664196af5c47c893d429e2e942"},"schema_version":"1.0"},"canonical_sha256":"9ed589445a81d7012396beb78a262a0fe7136c017daeb482a8fc4025cc174916","source":{"kind":"arxiv","id":"2404.03646","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.03646","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"2404.03646v2","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.03646","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"T3KYSRC2QHLQ","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"pith_short_16","alias_value":"T3KYSRC2QHLQCI4W","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"pith_short_8","alias_value":"T3KYSRC2","created_at":"2026-07-05T08:51:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:T3KYSRC2QHLQCI4WX23YUJRKB7","target":"record","payload":{"canonical_record":{"source":{"id":"2404.03646","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-04T17:58:31Z","cross_cats_sorted":[],"title_canon_sha256":"78c5df23935009875eb5de865d3df84d9d3a96507554b4a5783b16e8548d5891","abstract_canon_sha256":"9828e4480d38e85400d8015a2917a51a059e0b664196af5c47c893d429e2e942"},"schema_version":"1.0"},"canonical_sha256":"9ed589445a81d7012396beb78a262a0fe7136c017daeb482a8fc4025cc174916","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:51:50.006503Z","signature_b64":"NtLms3Jzq/KJwW4KCA5olfus/L0NkfFByEOhdfpRvczU42pH3+WeCJtPABzPJow6IIggukm4h8W36yldoeIrAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ed589445a81d7012396beb78a262a0fe7136c017daeb482a8fc4025cc174916","last_reissued_at":"2026-07-05T08:51:50.006049Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:51:50.006049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.03646","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":"2026-07-05T08:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FGcz5QHPDpi8CdBeb2nxnJEED8mtBRn4WaeNHzD/JDIM/iPUCzpD/++gENrC2Isr+bS/ZPpwQ4HfPmte5XCxAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T07:22:02.935603Z"},"content_sha256":"b97c70d7377bb091623aa302bb4261573cdaaee34d3c3b2e2e4fbe18e7e8248a","schema_version":"1.0","event_id":"sha256:b97c70d7377bb091623aa302bb4261573cdaaee34d3c3b2e2e4fbe18e7e8248a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:T3KYSRC2QHLQCI4WX23YUJRKB7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Locating and Editing Factual Associations in Mamba","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Arnab Sen Sharma, David Atkinson, David Bau","submitted_at":"2024-04-04T17:58:31Z","abstract_excerpt":"We investigate the mechanisms of factual recall in the Mamba state space model. Our work is inspired by previous findings in autoregressive transformer language models suggesting that their knowledge recall is localized to particular modules at specific token locations; we therefore ask whether factual recall in Mamba can be similarly localized. To investigate this, we conduct four lines of experiments on Mamba. First, we apply causal tracing or interchange interventions to localize key components inside Mamba that are responsible for recalling facts, revealing that specific components within "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.03646","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/2404.03646/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":"2026-07-05T08:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pizy60h3UP+NMjwW4GmExtcD4rUhyV9xUG9eDdiYqGj5EhvhwQ/ehORplUBeucY+mMoFR55EiT2c2TZOauTACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T07:22:02.936296Z"},"content_sha256":"28d0eade1ebf9380d7d4bfa88146dc32dac93e91ec018b18964c7897b0c436b0","schema_version":"1.0","event_id":"sha256:28d0eade1ebf9380d7d4bfa88146dc32dac93e91ec018b18964c7897b0c436b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T3KYSRC2QHLQCI4WX23YUJRKB7/bundle.json","state_url":"https://pith.science/pith/T3KYSRC2QHLQCI4WX23YUJRKB7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T3KYSRC2QHLQCI4WX23YUJRKB7/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":"2026-08-09T07:22:02Z","links":{"resolver":"https://pith.science/pith/T3KYSRC2QHLQCI4WX23YUJRKB7","bundle":"https://pith.science/pith/T3KYSRC2QHLQCI4WX23YUJRKB7/bundle.json","state":"https://pith.science/pith/T3KYSRC2QHLQCI4WX23YUJRKB7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T3KYSRC2QHLQCI4WX23YUJRKB7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:T3KYSRC2QHLQCI4WX23YUJRKB7","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":"9828e4480d38e85400d8015a2917a51a059e0b664196af5c47c893d429e2e942","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-04T17:58:31Z","title_canon_sha256":"78c5df23935009875eb5de865d3df84d9d3a96507554b4a5783b16e8548d5891"},"schema_version":"1.0","source":{"id":"2404.03646","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.03646","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"2404.03646v2","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.03646","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"T3KYSRC2QHLQ","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"pith_short_16","alias_value":"T3KYSRC2QHLQCI4W","created_at":"2026-07-05T08:51:50Z"},{"alias_kind":"pith_short_8","alias_value":"T3KYSRC2","created_at":"2026-07-05T08:51:50Z"}],"graph_snapshots":[{"event_id":"sha256:28d0eade1ebf9380d7d4bfa88146dc32dac93e91ec018b18964c7897b0c436b0","target":"graph","created_at":"2026-07-05T08:51:50Z","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/2404.03646/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the mechanisms of factual recall in the Mamba state space model. Our work is inspired by previous findings in autoregressive transformer language models suggesting that their knowledge recall is localized to particular modules at specific token locations; we therefore ask whether factual recall in Mamba can be similarly localized. To investigate this, we conduct four lines of experiments on Mamba. First, we apply causal tracing or interchange interventions to localize key components inside Mamba that are responsible for recalling facts, revealing that specific components within ","authors_text":"Arnab Sen Sharma, David Atkinson, David Bau","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-04T17:58:31Z","title":"Locating and Editing Factual Associations in Mamba"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.03646","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:b97c70d7377bb091623aa302bb4261573cdaaee34d3c3b2e2e4fbe18e7e8248a","target":"record","created_at":"2026-07-05T08:51:50Z","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":"9828e4480d38e85400d8015a2917a51a059e0b664196af5c47c893d429e2e942","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-04T17:58:31Z","title_canon_sha256":"78c5df23935009875eb5de865d3df84d9d3a96507554b4a5783b16e8548d5891"},"schema_version":"1.0","source":{"id":"2404.03646","kind":"arxiv","version":2}},"canonical_sha256":"9ed589445a81d7012396beb78a262a0fe7136c017daeb482a8fc4025cc174916","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ed589445a81d7012396beb78a262a0fe7136c017daeb482a8fc4025cc174916","first_computed_at":"2026-07-05T08:51:50.006049Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:51:50.006049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NtLms3Jzq/KJwW4KCA5olfus/L0NkfFByEOhdfpRvczU42pH3+WeCJtPABzPJow6IIggukm4h8W36yldoeIrAA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:51:50.006503Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.03646","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b97c70d7377bb091623aa302bb4261573cdaaee34d3c3b2e2e4fbe18e7e8248a","sha256:28d0eade1ebf9380d7d4bfa88146dc32dac93e91ec018b18964c7897b0c436b0"],"state_sha256":"c11b6ad23e2f66ea48a5059817edf6dd4f8677697f27132888261a112d772df0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PjBq7lBBDihBe5sYm7VtWcEp05na4/ONGUsbKSRGV217Kheuhhpfr/GtglDBWto5WmdEnI8uYtSQhMGjWXTDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T07:22:02.941782Z","bundle_sha256":"1f372c3615eae9f5249044e7005e12c69df3fa89fdcf1f2219d9986f19f300f8"}}