Pith Number

pith:N524EY5Y

pith:2025:N524EY5YUIQIPREBSRMRRVEMDV

not attested not anchored not stored refs pending

On Supports for graphs of bounded genus

Karamjeet Singh, Rajiv Raman

arxiv:2503.21287 v6 · 2025-03-27 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N524EY5YUIQIPREBSRMRRVEMDV}

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	2026-05-22T01:03:42.278762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f75c263b8a22087c481945918d48c1d7f1b2c22ff16cc580627e52fc3191401

Aliases

arxiv: 2503.21287 · arxiv_version: 2503.21287v6 · doi: 10.48550/arxiv.2503.21287 · pith_short_12: N524EY5YUIQI · pith_short_16: N524EY5YUIQIPREB · pith_short_8: N524EY5Y

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/N524EY5YUIQIPREBSRMRRVEMDV \
  | 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: 6f75c263b8a22087c481945918d48c1d7f1b2c22ff16cc580627e52fc3191401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b2298c64c10db084e94dccb9211f2f42dc0f1a8912ac7856eabc0399654c975",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-03-27T09:11:24Z",
    "title_canon_sha256": "9b7693e836f5806eb246d32b4f8b980e9de96acdc0a3a9c930ca7a8d87ad1000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21287",
    "kind": "arxiv",
    "version": 6
  }
}