Pith Number

pith:KARV4KWA

pith:2019:KARV4KWAPQN5VFC477CJJMCNZQ

not attested not anchored not stored refs pending

Progressive Cluster Purification for Transductive Few-shot Learning

Chenyang Si, Liang Wang, Tieniu Tan, Wei Wang, Wentao Chen

arxiv:1906.03847 v1 · 2019-06-10 · 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{KARV4KWAPQN5VFC477CJJMCNZQ}

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	2026-05-17T23:43:44.758857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50235e2ac07c1bda945cffc494b04dcc059f46dbbe2ae665caa4744fae6fe506

Aliases

arxiv: 1906.03847 · arxiv_version: 1906.03847v1 · doi: 10.48550/arxiv.1906.03847 · pith_short_12: KARV4KWAPQN5 · pith_short_16: KARV4KWAPQN5VFC4 · pith_short_8: KARV4KWA

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/KARV4KWAPQN5VFC477CJJMCNZQ \
  | 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: 50235e2ac07c1bda945cffc494b04dcc059f46dbbe2ae665caa4744fae6fe506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a132be8eee895884b4f4bdce608eea157716866baf95900995edb52f58a2ddd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-10T08:55:37Z",
    "title_canon_sha256": "2848b8a20290cc27f3c22e045f1441ef629e07168aef7c8587073d6f43241f70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03847",
    "kind": "arxiv",
    "version": 1
  }
}