Pith Number

pith:RNIQPVGV

pith:2014:RNIQPVGVOMZGFZ4OJLSZDAYICQ

not attested not anchored not stored refs pending

On the binomial edge ideals of block graphs

Ahmet Dokuyucu, Faryal Chaudhry, Rida Irfan

arxiv:1402.2041 v1 · 2014-02-10 · math.AC · 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{RNIQPVGVOMZGFZ4OJLSZDAYICQ}

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	2026-05-18T02:59:32.544656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5107d4d5733262e78e4ae59183081403f3d00e3ba41a3acb3370c04db4b374

Aliases

arxiv: 1402.2041 · arxiv_version: 1402.2041v1 · doi: 10.48550/arxiv.1402.2041 · pith_short_12: RNIQPVGVOMZG · pith_short_16: RNIQPVGVOMZGFZ4O · pith_short_8: RNIQPVGV

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/RNIQPVGVOMZGFZ4OJLSZDAYICQ \
  | 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: 8b5107d4d5733262e78e4ae59183081403f3d00e3ba41a3acb3370c04db4b374

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b77c0084e38e649b24bd7112af5f2e5ddb3bf0a0fc77bc70919c8afcd6e7f59",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2014-02-10T05:32:36Z",
    "title_canon_sha256": "47cfa148575cdf7f9e524cfafeab0a9f473abb3c6f079f3f793e6c66378cebb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2041",
    "kind": "arxiv",
    "version": 1
  }
}