Pith Number

pith:MGMG7KWW

pith:2024:MGMG7KWWOZUJFANQ2DTF4R2MIS

not attested not anchored not stored refs pending

Useful Compact Representations for Data-Fitting

Johannes J. Brust

arxiv:2403.12206 v2 · 2024-03-18 · math.OC · cs.LG · cs.NA · math.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGMG7KWWOZUJFANQ2DTF4R2MIS}

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.

Cited by

1 paper in Pith

A Nonmonotone Gradient-Based Algorithm for Symmetric Nonnegative Matrix Factorization and Graph Clustering

Receipt and verification

First computed	2026-07-05T10:02:22.846725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61986faad676689281b0d0e65e474c44a591809651b6a63d150e02746055b2e7

Aliases

arxiv: 2403.12206 · arxiv_version: 2403.12206v2 · doi: 10.48550/arxiv.2403.12206 · pith_short_12: MGMG7KWWOZUJ · pith_short_16: MGMG7KWWOZUJFANQ · pith_short_8: MGMG7KWW

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/MGMG7KWWOZUJFANQ2DTF4R2MIS \
  | 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: 61986faad676689281b0d0e65e474c44a591809651b6a63d150e02746055b2e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e413b7a7a28100bda712a4ad95f561f2c9809d00037f51fcf6fb5831decf43fd",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-03-18T19:43:00Z",
    "title_canon_sha256": "7786cfc82603feffaa4d9c3015d69bf5817b68e68d3189a478fc4717efcd6811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.12206",
    "kind": "arxiv",
    "version": 2
  }
}