Pith Number

pith:5N7LMFEF

pith:2019:5N7LMFEFJCCYEFX4WRMGVJJVP6

not attested not anchored not stored refs pending

Wasserstein-Fisher-Rao Document Distance

Chenglong Bao, Datong Zhou, Hao Wu, Yong Zhang, Zihao Wang

arxiv:1904.10294 v2 · 2019-04-23 · cs.LG · cs.CL · 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{5N7LMFEFJCCYEFX4WRMGVJJVP6}

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	2026-05-17T23:40:55.179050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb7eb6148548858216fcb4586aa5357f8ad93df292ab0a3a44e2dcc98a654737

Aliases

arxiv: 1904.10294 · arxiv_version: 1904.10294v2 · doi: 10.48550/arxiv.1904.10294 · pith_short_12: 5N7LMFEFJCCY · pith_short_16: 5N7LMFEFJCCYEFX4 · pith_short_8: 5N7LMFEF

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/5N7LMFEFJCCYEFX4WRMGVJJVP6 \
  | 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: eb7eb6148548858216fcb4586aa5357f8ad93df292ab0a3a44e2dcc98a654737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a79e537315759625f125889198002cf5a23126be4bf13b47a567c557569fac",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-23T13:11:40Z",
    "title_canon_sha256": "4f2f7d79eab0b4590d536efc61fca062a66f9ad5f38994042490fc5af6d1d602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10294",
    "kind": "arxiv",
    "version": 2
  }
}