Pith Number

pith:EUJ6RIO6

pith:2011:EUJ6RIO6HNWBIADKEEZHGK5GKZ

not attested not anchored not stored refs pending

Nonnegative minors of minor matrices

David A. Cardon, Pace P. Nielsen

arxiv:1101.1458 v2 · 2011-01-07 · math.CO · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUJ6RIO6HNWBIADKEEZHGK5GKZ}

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	2026-05-18T02:23:00.088728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2513e8a1de3b6c14006a2132732ba65666162351faab979cb862ca99b33a0bfb

Aliases

arxiv: 1101.1458 · arxiv_version: 1101.1458v2 · doi: 10.48550/arxiv.1101.1458 · pith_short_12: EUJ6RIO6HNWB · pith_short_16: EUJ6RIO6HNWBIADK · pith_short_8: EUJ6RIO6

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/EUJ6RIO6HNWBIADKEEZHGK5GKZ \
  | 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: 2513e8a1de3b6c14006a2132732ba65666162351faab979cb862ca99b33a0bfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2315317dda853b0856ad011456ad9ac3e23e781ea94c9633ee5dc8dc59c9be63",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-01-07T15:50:22Z",
    "title_canon_sha256": "16edabbf9396e00c16be66ab7d41ff2ca6bee420348165162083532a334bff4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1458",
    "kind": "arxiv",
    "version": 2
  }
}