Pith Number

pith:SNB4QQRT

pith:2020:SNB4QQRT2Z4TWIHK5AEHRW3DAE

not attested not anchored not stored refs pending

Contradictory Structure Learning for Semi-supervised Domain Adaptation

Can Qin, Huan Wang, Lichen Wang, Qianqian Ma, Yun Fu, Yu Yin

arxiv:2002.02545 v2 · 2020-02-06 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNB4QQRT2Z4TWIHK5AEHRW3DAE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:15:09.432710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9343c84233d6793b20eae80878db630117d0ec20cdc631a42f1b02c480f1925b

Aliases

arxiv: 2002.02545 · arxiv_version: 2002.02545v2 · doi: 10.48550/arxiv.2002.02545 · pith_short_12: SNB4QQRT2Z4T · pith_short_16: SNB4QQRT2Z4TWIHK · pith_short_8: SNB4QQRT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SNB4QQRT2Z4TWIHK5AEHRW3DAE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9343c84233d6793b20eae80878db630117d0ec20cdc631a42f1b02c480f1925b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc9d5465c4df213822936d783cfdac2b08873146ba3cd452fa129022ef1977e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-06T22:58:20Z",
    "title_canon_sha256": "9da99ce0a0da783dddc15b50a401f5aa38b784569697bc085792350276f44bd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02545",
    "kind": "arxiv",
    "version": 2
  }
}