Pith Number

pith:6EH3CGMO

pith:2020:6EH3CGMO3TIUWF2ZIODOPLZWS3

not attested not anchored not stored refs pending

Pruned Wasserstein Index Generation Model and wigpy Package

Fangzhou Xie

arxiv:2004.00999 v3 · 2020-03-30 · cs.LG · cs.CL · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EH3CGMO3TIUWF2ZIODOPLZWS3}

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	2026-07-05T03:15:27.326683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f10fb1198edcd14b17594386e7af3696d46b70d7952fd653589e464844171595

Aliases

arxiv: 2004.00999 · arxiv_version: 2004.00999v3 · doi: 10.48550/arxiv.2004.00999 · pith_short_12: 6EH3CGMO3TIU · pith_short_16: 6EH3CGMO3TIUWF2Z · pith_short_8: 6EH3CGMO

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/6EH3CGMO3TIUWF2ZIODOPLZWS3 \
  | 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: f10fb1198edcd14b17594386e7af3696d46b70d7952fd653589e464844171595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67556e3ab666e6c251e598a6db2d376ec2c95732589938722895cbcd7b275ec9",
    "cross_cats_sorted": [
      "cs.CL",
      "econ.GN",
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-03-30T18:26:24Z",
    "title_canon_sha256": "1d563d90916b74aa1677ae366d6c7316f52bf553cf5977776500b7e5fa2fdecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00999",
    "kind": "arxiv",
    "version": 3
  }
}