Pith Number

pith:BWOEMRQB

pith:2008:BWOEMRQBHRM64RCVSXXHP6ZZ4K

not attested not anchored not stored refs pending

Nonnegative Factorization and The Maximum Edge Biclique Problem

Fran\c{c}ois Glineur, Nicolas Gillis

arxiv:0810.4225 v1 · 2008-10-23 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWOEMRQBHRM64RCVSXXHP6ZZ4K}

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	2026-06-03T23:06:08.276378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9c4646013c59ee445595ee77fb39e2b2ec21ddbc64ba32f63aaefaf66c3285

Aliases

arxiv: 0810.4225 · arxiv_version: 0810.4225v1 · doi: 10.48550/arxiv.0810.4225 · pith_short_12: BWOEMRQBHRM6 · pith_short_16: BWOEMRQBHRM64RCV · pith_short_8: BWOEMRQB

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/BWOEMRQBHRM64RCVSXXHP6ZZ4K \
  | 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: 0d9c4646013c59ee445595ee77fb39e2b2ec21ddbc64ba32f63aaefaf66c3285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179297eb15a244bb17d7b69c59bd8c76b85d3f85577347cdec5b57d63f7fba73",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-10-23T08:08:36Z",
    "title_canon_sha256": "3ef56c3e69d327ad44bd187b49afe113a1928c2108913b13f1a2abf45b66bb15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4225",
    "kind": "arxiv",
    "version": 1
  }
}