{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5H2AMUYCYIKJUBTQYFFAZO7CDQ","short_pith_number":"pith:5H2AMUYC","canonical_record":{"source":{"id":"1804.04286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2018-04-12T02:20:47Z","cross_cats_sorted":["cs.NE"],"title_canon_sha256":"b069c8d441235e1a0e25455d532650cd71a0c350efa881c368db20363db2f63a","abstract_canon_sha256":"1b47ce297801795d00d549715ea511f6d5947a9936803782111c1a79013a946f"},"schema_version":"1.0"},"canonical_sha256":"e9f4065302c2149a0670c14a0cbbe21c017b28aae39df9fc8c5ce4d43daea420","source":{"kind":"arxiv","id":"1804.04286","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04286","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04286v1","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04286","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"5H2AMUYCYIKJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5H2AMUYCYIKJUBTQ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5H2AMUYC","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5H2AMUYCYIKJUBTQYFFAZO7CDQ","target":"record","payload":{"canonical_record":{"source":{"id":"1804.04286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2018-04-12T02:20:47Z","cross_cats_sorted":["cs.NE"],"title_canon_sha256":"b069c8d441235e1a0e25455d532650cd71a0c350efa881c368db20363db2f63a","abstract_canon_sha256":"1b47ce297801795d00d549715ea511f6d5947a9936803782111c1a79013a946f"},"schema_version":"1.0"},"canonical_sha256":"e9f4065302c2149a0670c14a0cbbe21c017b28aae39df9fc8c5ce4d43daea420","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:40.051842Z","signature_b64":"UAAoFY+ffiz5kQoFLcUzPAiNQPc+9TK/mILdJ/YUrwmndTFWyOuK41p1pn6lln0NrBitoioI6oERB1D0EjCsCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9f4065302c2149a0670c14a0cbbe21c017b28aae39df9fc8c5ce4d43daea420","last_reissued_at":"2026-05-18T00:18:40.051198Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:40.051198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.04286","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":"2026-05-18T00:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FmfGORYK5pcKuHia8TlsGeVqvr6zSaiElmEy19snNwj/IJnLdR7/WK88ECUEP3bgXQN61uOILBFouMApyIYpAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T16:46:10.358454Z"},"content_sha256":"28b72dd9a0afba43f0f62a82c9fdbc5902a88c78261acf5dc0a0ecac3bae767d","schema_version":"1.0","event_id":"sha256:28b72dd9a0afba43f0f62a82c9fdbc5902a88c78261acf5dc0a0ecac3bae767d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5H2AMUYCYIKJUBTQYFFAZO7CDQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Combating catastrophic forgetting with developmental compression","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NE"],"primary_cat":"cs.AI","authors_text":"Josh C. Bongard, Sam Kriegman, Shawn L.E. Beaulieu","submitted_at":"2018-04-12T02:20:47Z","abstract_excerpt":"Generally intelligent agents exhibit successful behavior across problems in several settings. Endemic in approaches to realize such intelligence in machines is catastrophic forgetting: sequential learning corrupts knowledge obtained earlier in the sequence, or tasks antagonistically compete for system resources. Methods for obviating catastrophic forgetting have sought to identify and preserve features of the system necessary to solve one problem when learning to solve another, or to enforce modularity such that minimally overlapping sub-functions contain task specific knowledge. While success"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04286","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":""},"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":"2026-05-18T00:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9XazYjOZm0Ux15iiHllghx1LosjncSRzaaUbv188fJVpmAmQATcJKCbkEeI7u3OJQ+vgkZSCq9dfcBI1V9nVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T16:46:10.358800Z"},"content_sha256":"63de72b53b3186bdebc7da8478331c893caca70dacfe84c192a0ece066b228eb","schema_version":"1.0","event_id":"sha256:63de72b53b3186bdebc7da8478331c893caca70dacfe84c192a0ece066b228eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5H2AMUYCYIKJUBTQYFFAZO7CDQ/bundle.json","state_url":"https://pith.science/pith/5H2AMUYCYIKJUBTQYFFAZO7CDQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5H2AMUYCYIKJUBTQYFFAZO7CDQ/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":"2026-05-21T16:46:10Z","links":{"resolver":"https://pith.science/pith/5H2AMUYCYIKJUBTQYFFAZO7CDQ","bundle":"https://pith.science/pith/5H2AMUYCYIKJUBTQYFFAZO7CDQ/bundle.json","state":"https://pith.science/pith/5H2AMUYCYIKJUBTQYFFAZO7CDQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5H2AMUYCYIKJUBTQYFFAZO7CDQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5H2AMUYCYIKJUBTQYFFAZO7CDQ","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":"1b47ce297801795d00d549715ea511f6d5947a9936803782111c1a79013a946f","cross_cats_sorted":["cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2018-04-12T02:20:47Z","title_canon_sha256":"b069c8d441235e1a0e25455d532650cd71a0c350efa881c368db20363db2f63a"},"schema_version":"1.0","source":{"id":"1804.04286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04286","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04286v1","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04286","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"5H2AMUYCYIKJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5H2AMUYCYIKJUBTQ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5H2AMUYC","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:63de72b53b3186bdebc7da8478331c893caca70dacfe84c192a0ece066b228eb","target":"graph","created_at":"2026-05-18T00:18:40Z","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":"Generally intelligent agents exhibit successful behavior across problems in several settings. Endemic in approaches to realize such intelligence in machines is catastrophic forgetting: sequential learning corrupts knowledge obtained earlier in the sequence, or tasks antagonistically compete for system resources. Methods for obviating catastrophic forgetting have sought to identify and preserve features of the system necessary to solve one problem when learning to solve another, or to enforce modularity such that minimally overlapping sub-functions contain task specific knowledge. While success","authors_text":"Josh C. Bongard, Sam Kriegman, Shawn L.E. Beaulieu","cross_cats":["cs.NE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2018-04-12T02:20:47Z","title":"Combating catastrophic forgetting with developmental compression"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04286","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":"sha256:28b72dd9a0afba43f0f62a82c9fdbc5902a88c78261acf5dc0a0ecac3bae767d","target":"record","created_at":"2026-05-18T00:18:40Z","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":"1b47ce297801795d00d549715ea511f6d5947a9936803782111c1a79013a946f","cross_cats_sorted":["cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2018-04-12T02:20:47Z","title_canon_sha256":"b069c8d441235e1a0e25455d532650cd71a0c350efa881c368db20363db2f63a"},"schema_version":"1.0","source":{"id":"1804.04286","kind":"arxiv","version":1}},"canonical_sha256":"e9f4065302c2149a0670c14a0cbbe21c017b28aae39df9fc8c5ce4d43daea420","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9f4065302c2149a0670c14a0cbbe21c017b28aae39df9fc8c5ce4d43daea420","first_computed_at":"2026-05-18T00:18:40.051198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:40.051198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UAAoFY+ffiz5kQoFLcUzPAiNQPc+9TK/mILdJ/YUrwmndTFWyOuK41p1pn6lln0NrBitoioI6oERB1D0EjCsCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:40.051842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.04286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28b72dd9a0afba43f0f62a82c9fdbc5902a88c78261acf5dc0a0ecac3bae767d","sha256:63de72b53b3186bdebc7da8478331c893caca70dacfe84c192a0ece066b228eb"],"state_sha256":"af40eef2715f6bb812e7d5111e23a96bf415ee2387ffac8ec8bea4955a52e442"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Qb+obLtE1Zw5241vQVcm/+E79ptiSC7PUygU/Da7VXi4cbYWSKGfUDBkQSuCxDNgVTOVtmtECbui/XGxCgGCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T16:46:10.360968Z","bundle_sha256":"5797c5857d997e550a94cd2cf1d6bb3e28eea328b2e0a7dccc7f3e9c5a8333c5"}}