Pith Number

pith:6BS4BLCX

pith:2014:6BS4BLCXNN5XJZYFNWPIOVR4AC

not attested not anchored not stored refs pending

The regularity method for graphs and digraphs

Amelia Taylor

arxiv:1406.6531 v2 · 2014-06-25 · 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{6BS4BLCXNN5XJZYFNWPIOVR4AC}

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	2026-05-18T02:48:54.395744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f065c0ac576b7b74e7056d9e87563c00866a02e4b611fbaaf689b942ef2fe76a

Aliases

arxiv: 1406.6531 · arxiv_version: 1406.6531v2 · doi: 10.48550/arxiv.1406.6531 · pith_short_12: 6BS4BLCXNN5X · pith_short_16: 6BS4BLCXNN5XJZYF · pith_short_8: 6BS4BLCX

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/6BS4BLCXNN5XJZYFNWPIOVR4AC \
  | 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: f065c0ac576b7b74e7056d9e87563c00866a02e4b611fbaaf689b942ef2fe76a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "184476b4035cf0acaffedec2e0fca4188b87f7eacd360d43f4dd3de3f837c3c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-25T11:53:18Z",
    "title_canon_sha256": "6de2ff344c3d5e58c99a1e5ad284772f92a2520d7d7264c6513321ef5fb9be87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6531",
    "kind": "arxiv",
    "version": 2
  }
}