Pith Number

pith:X4WIQSUQ

pith:2019:X4WIQSUQ2AD5TR3IPQXAPRCKFL

not attested not anchored not stored refs pending

Combating Fake News: A Survey on Identification and Mitigation Techniques

Feng Qian, He Jiang, Karishma Sharma, Ming Zhang, Natali Ruchansky, Yan Liu

arxiv:1901.06437 v1 · 2019-01-18 · cs.LG · cs.AI · cs.SI · 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{X4WIQSUQ2AD5TR3IPQXAPRCKFL}

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	2026-05-17T23:55:50.314158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2c884a90d007d9c7687c2e07c44a2af656b0a60c851f268d30b4c4d7fa8642

Aliases

arxiv: 1901.06437 · arxiv_version: 1901.06437v1 · doi: 10.48550/arxiv.1901.06437 · pith_short_12: X4WIQSUQ2AD5 · pith_short_16: X4WIQSUQ2AD5TR3I · pith_short_8: X4WIQSUQ

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/X4WIQSUQ2AD5TR3IPQXAPRCKFL \
  | 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: bf2c884a90d007d9c7687c2e07c44a2af656b0a60c851f268d30b4c4d7fa8642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98704fda46c71bceb45369f3e6e2902bcaa39b7d931f7b8f5e58e6418265653e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-18T22:57:09Z",
    "title_canon_sha256": "8219aab5cc72fa6511cf240661d25808bc22fbfc346dc273613c7526857d0e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06437",
    "kind": "arxiv",
    "version": 1
  }
}