Pith Number

pith:FCVYWOKP

pith:2019:FCVYWOKPEMF3ZDPWJZHJXD5X6J

not attested not anchored not stored refs pending

A Ranking Model Motivated by Nonnegative Matrix Factorization with Applications to Tennis Tournaments

C\'edric F\'evotte, Louis Filstroff, Rui Xia, Vincent Y. F. Tan

arxiv:1903.06500 v2 · 2019-03-15 · cs.LG · eess.SP · 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{FCVYWOKPEMF3ZDPWJZHJXD5X6J}

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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	2026-05-17T23:43:27.790758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ab8b394f230bbc8df64e4e9b8fb7f2655988b7d2ceb8a4a11610db45b06d31

Aliases

arxiv: 1903.06500 · arxiv_version: 1903.06500v2 · doi: 10.48550/arxiv.1903.06500 · pith_short_12: FCVYWOKPEMF3 · pith_short_16: FCVYWOKPEMF3ZDPW · pith_short_8: FCVYWOKP

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/FCVYWOKPEMF3ZDPWJZHJXD5X6J \
  | 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: 28ab8b394f230bbc8df64e4e9b8fb7f2655988b7d2ceb8a4a11610db45b06d31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d59fc0f763b1323011b972f250286644046c2a5e4709eb36a2deea03e117219a",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-15T12:48:33Z",
    "title_canon_sha256": "d14dd359961935cbf05ab3b584b341c11648a317a1c75fefdad4d99da098a6eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06500",
    "kind": "arxiv",
    "version": 2
  }
}