{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3SNQBJAKKTABDSYRAFM2QEFDF2","short_pith_number":"pith:3SNQBJAK","canonical_record":{"source":{"id":"1907.04978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-07-11T02:51:27Z","cross_cats_sorted":[],"title_canon_sha256":"bb8f566ac30a1129017d9b1c3aca4c402821cb319d44fe96da488f2399f6fb83","abstract_canon_sha256":"cec1d5606da8496245a6ee769f3aaace7e5f963dc667eb1721801097a33645a5"},"schema_version":"1.0"},"canonical_sha256":"dc9b00a40a54c011cb110159a810a32e91e49f906d6cbabfd520994fca3154ab","source":{"kind":"arxiv","id":"1907.04978","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.04978","created_at":"2026-05-17T23:40:54Z"},{"alias_kind":"arxiv_version","alias_value":"1907.04978v1","created_at":"2026-05-17T23:40:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.04978","created_at":"2026-05-17T23:40:54Z"},{"alias_kind":"pith_short_12","alias_value":"3SNQBJAKKTAB","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"3SNQBJAKKTABDSYR","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"3SNQBJAK","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3SNQBJAKKTABDSYRAFM2QEFDF2","target":"record","payload":{"canonical_record":{"source":{"id":"1907.04978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-07-11T02:51:27Z","cross_cats_sorted":[],"title_canon_sha256":"bb8f566ac30a1129017d9b1c3aca4c402821cb319d44fe96da488f2399f6fb83","abstract_canon_sha256":"cec1d5606da8496245a6ee769f3aaace7e5f963dc667eb1721801097a33645a5"},"schema_version":"1.0"},"canonical_sha256":"dc9b00a40a54c011cb110159a810a32e91e49f906d6cbabfd520994fca3154ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:54.305659Z","signature_b64":"9B3M2t7MFq+dO41n72eUB3MbRJR+cP5Z1Tj0wtx75UnJ3WrxwlZper+aN2F05gRXvr5fAwoIzJNbro9CXaZZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc9b00a40a54c011cb110159a810a32e91e49f906d6cbabfd520994fca3154ab","last_reissued_at":"2026-05-17T23:40:54.304940Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:54.304940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.04978","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":"2026-05-17T23:40:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JOvKCaGsQAUJR3t2/dkdseSJARVC04LGenYD9LrXZkvSavwcmJALqfUom4Zmdl4bs1lBzbAtG03Hhur9sJ1yDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:15:44.393511Z"},"content_sha256":"1d64e70602a3dbe7e3b0bc224e99ee5f49e2147a047c94a2765d48561cb5746e","schema_version":"1.0","event_id":"sha256:1d64e70602a3dbe7e3b0bc224e99ee5f49e2147a047c94a2765d48561cb5746e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3SNQBJAKKTABDSYRAFM2QEFDF2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Agile Domain Adaptation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jingjing Li, Ke Lu, Mengmeng Jing, Yue Xie, Zi Huang","submitted_at":"2019-07-11T02:51:27Z","abstract_excerpt":"Domain adaptation investigates the problem of leveraging knowledge from a well-labeled source domain to an unlabeled target domain, where the two domains are drawn from different data distributions. Because of the distribution shifts, different target samples have distinct degrees of difficulty in adaptation. However, existing domain adaptation approaches overwhelmingly neglect the degrees of difficulty and deploy exactly the same framework for all of the target samples. Generally, a simple or shadow framework is fast but rough. A sophisticated or deep framework, on the contrary, is accurate b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.04978","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":"2026-05-17T23:40:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z9/XdPLW8YMVLXfExE215L4Ptl/IPjImnjMbdLtoM6PG8EmxQLJoBO9JFGqnpEu2Qlu0LZ+HF9kmjpLowo0VCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:15:44.394183Z"},"content_sha256":"93de2ce7900983719580cf17a5c7373ede7956661b312e212750d78a3cf48e61","schema_version":"1.0","event_id":"sha256:93de2ce7900983719580cf17a5c7373ede7956661b312e212750d78a3cf48e61"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3SNQBJAKKTABDSYRAFM2QEFDF2/bundle.json","state_url":"https://pith.science/pith/3SNQBJAKKTABDSYRAFM2QEFDF2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3SNQBJAKKTABDSYRAFM2QEFDF2/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":"2026-05-25T17:15:44Z","links":{"resolver":"https://pith.science/pith/3SNQBJAKKTABDSYRAFM2QEFDF2","bundle":"https://pith.science/pith/3SNQBJAKKTABDSYRAFM2QEFDF2/bundle.json","state":"https://pith.science/pith/3SNQBJAKKTABDSYRAFM2QEFDF2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3SNQBJAKKTABDSYRAFM2QEFDF2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3SNQBJAKKTABDSYRAFM2QEFDF2","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":"cec1d5606da8496245a6ee769f3aaace7e5f963dc667eb1721801097a33645a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-07-11T02:51:27Z","title_canon_sha256":"bb8f566ac30a1129017d9b1c3aca4c402821cb319d44fe96da488f2399f6fb83"},"schema_version":"1.0","source":{"id":"1907.04978","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.04978","created_at":"2026-05-17T23:40:54Z"},{"alias_kind":"arxiv_version","alias_value":"1907.04978v1","created_at":"2026-05-17T23:40:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.04978","created_at":"2026-05-17T23:40:54Z"},{"alias_kind":"pith_short_12","alias_value":"3SNQBJAKKTAB","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"3SNQBJAKKTABDSYR","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"3SNQBJAK","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:93de2ce7900983719580cf17a5c7373ede7956661b312e212750d78a3cf48e61","target":"graph","created_at":"2026-05-17T23:40:54Z","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":"Domain adaptation investigates the problem of leveraging knowledge from a well-labeled source domain to an unlabeled target domain, where the two domains are drawn from different data distributions. Because of the distribution shifts, different target samples have distinct degrees of difficulty in adaptation. However, existing domain adaptation approaches overwhelmingly neglect the degrees of difficulty and deploy exactly the same framework for all of the target samples. Generally, a simple or shadow framework is fast but rough. A sophisticated or deep framework, on the contrary, is accurate b","authors_text":"Jingjing Li, Ke Lu, Mengmeng Jing, Yue Xie, Zi Huang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-07-11T02:51:27Z","title":"Agile Domain Adaptation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.04978","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":"sha256:1d64e70602a3dbe7e3b0bc224e99ee5f49e2147a047c94a2765d48561cb5746e","target":"record","created_at":"2026-05-17T23:40:54Z","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":"cec1d5606da8496245a6ee769f3aaace7e5f963dc667eb1721801097a33645a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-07-11T02:51:27Z","title_canon_sha256":"bb8f566ac30a1129017d9b1c3aca4c402821cb319d44fe96da488f2399f6fb83"},"schema_version":"1.0","source":{"id":"1907.04978","kind":"arxiv","version":1}},"canonical_sha256":"dc9b00a40a54c011cb110159a810a32e91e49f906d6cbabfd520994fca3154ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc9b00a40a54c011cb110159a810a32e91e49f906d6cbabfd520994fca3154ab","first_computed_at":"2026-05-17T23:40:54.304940Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:54.304940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9B3M2t7MFq+dO41n72eUB3MbRJR+cP5Z1Tj0wtx75UnJ3WrxwlZper+aN2F05gRXvr5fAwoIzJNbro9CXaZZBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:54.305659Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.04978","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d64e70602a3dbe7e3b0bc224e99ee5f49e2147a047c94a2765d48561cb5746e","sha256:93de2ce7900983719580cf17a5c7373ede7956661b312e212750d78a3cf48e61"],"state_sha256":"0d14e3c7e5824fbbf3e3fc9290d13911bf69549156e487cf2210cb21a96dedbf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uTFlm2zenOBlCr6Iiisu5reSxewquo5PADYgijdqONZOZ0z5s6ozGzvNkOxuq8SKiq4yYG5kmQfeipg2uB4XCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:15:44.398122Z","bundle_sha256":"4bbc0eec92e8f03ec4a7387b662a88cbbf5627de8eb30128a18493e9ae2a0673"}}