Pith Number

pith:J4M7KME7

pith:2012:J4M7KME7IS6R2FTSEOBBIFYUNQ

not attested not anchored not stored refs pending

An Empirical Study of MAUC in Multi-class Problems with Uncertain Cost Matrices

Ke Tang, Rui Wang

arxiv:1209.1800 v1 · 2012-09-09 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4M7KME7IS6R2FTSEOBBIFYUNQ}

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	2026-05-18T03:45:54.328655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f19f5309f44bd1d167223821417146c22330e332c6a5d8980fd50c00cc98bb1

Aliases

arxiv: 1209.1800 · arxiv_version: 1209.1800v1 · doi: 10.48550/arxiv.1209.1800 · pith_short_12: J4M7KME7IS6R · pith_short_16: J4M7KME7IS6R2FTS · pith_short_8: J4M7KME7

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/J4M7KME7IS6R2FTSEOBBIFYUNQ \
  | 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: 4f19f5309f44bd1d167223821417146c22330e332c6a5d8980fd50c00cc98bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6047f7264bfc963ffe95f0e0cb5b37c98b30be66bca69eef366a00bfe928e47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-09-09T14:11:04Z",
    "title_canon_sha256": "0919b396747e0742489acc5c164daf96b34a4e0afc1c7dfec184a9d9ac3d6c4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1800",
    "kind": "arxiv",
    "version": 1
  }
}