Pith Number

pith:DTPJIA3G

pith:2019:DTPJIA3GYI35PIUNQ2MWKSYZH5

not attested not anchored not stored refs pending

Label Efficient Semi-Supervised Learning via Graph Filtering

Han Liu, Qimai Li, Xiao-Ming Wu, Xiaotong Zhang, Zhichao Guan

arxiv:1901.09993 v3 · 2019-01-28 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTPJIA3GYI35PIUNQ2MWKSYZH5}

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	2026-05-17T23:42:02.564640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cde940366c237d7a28d8699654b193f4f2157c0d36322b69621ffbd57abed5d

Aliases

arxiv: 1901.09993 · arxiv_version: 1901.09993v3 · doi: 10.48550/arxiv.1901.09993 · pith_short_12: DTPJIA3GYI35 · pith_short_16: DTPJIA3GYI35PIUN · pith_short_8: DTPJIA3G

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/DTPJIA3GYI35PIUNQ2MWKSYZH5 \
  | 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: 1cde940366c237d7a28d8699654b193f4f2157c0d36322b69621ffbd57abed5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "542c7801785cebade08b86a441a62065d5ae884f52c095a33a547395f2edea65",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-28T20:45:27Z",
    "title_canon_sha256": "d8e77e2124f7b3c121aacf0abb68f8c3f7d32a4de675f0af02d20fb6c666527c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09993",
    "kind": "arxiv",
    "version": 3
  }
}