Pith Number

pith:6YY5LNOW

pith:2013:6YY5LNOWMMC7TNHDTLX4ICAAKN

not attested not anchored not stored refs pending

Spectral results for the dominating induced matching problem

Domingos M. Cardoso, Enide A. Martins, Lu\'is Medina, Oscar Rojo

arxiv:1311.2748 v1 · 2013-11-12 · math.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{6YY5LNOWMMC7TNHDTLX4ICAAKN}

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	2026-05-18T03:07:21.983641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f631d5b5d66305f9b4e39aefc40800537418818ad1736eed9bd04f0b1bc2c258

Aliases

arxiv: 1311.2748 · arxiv_version: 1311.2748v1 · doi: 10.48550/arxiv.1311.2748 · pith_short_12: 6YY5LNOWMMC7 · pith_short_16: 6YY5LNOWMMC7TNHD · pith_short_8: 6YY5LNOW

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/6YY5LNOWMMC7TNHDTLX4ICAAKN \
  | 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: f631d5b5d66305f9b4e39aefc40800537418818ad1736eed9bd04f0b1bc2c258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a6e387aaa1eab96705fb814a8cbdd716759be95f5e84d79e7f32fdc4cb8b76b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-11-12T12:18:36Z",
    "title_canon_sha256": "ebb1f9c11b288706bb3429088d138f16d36114fdcf7fb2d0e64c1c6c9a60204d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2748",
    "kind": "arxiv",
    "version": 1
  }
}