Pith Number

pith:TVU6FTYW

pith:2015:TVU6FTYWOSVK6TMY53EZBPUSX5

not attested not anchored not stored refs pending

Almost All Regular Graphs are Normal

Bojan Mohar, Seyed Saeed Changiz Rezaei, Seyyed Aliasghar Hosseini

arxiv:1511.07591 v1 · 2015-11-24 · 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{TVU6FTYWOSVK6TMY53EZBPUSX5}

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	2026-05-18T01:26:04.313511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d69e2cf1674aaaf4d98eec990be92bf5d0fd86a95286cf99e4192ab6cf9c88a

Aliases

arxiv: 1511.07591 · arxiv_version: 1511.07591v1 · doi: 10.48550/arxiv.1511.07591 · pith_short_12: TVU6FTYWOSVK · pith_short_16: TVU6FTYWOSVK6TMY · pith_short_8: TVU6FTYW

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/TVU6FTYWOSVK6TMY53EZBPUSX5 \
  | 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: 9d69e2cf1674aaaf4d98eec990be92bf5d0fd86a95286cf99e4192ab6cf9c88a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91aa7727acc5c8c50b09526a59ed6a0efa0bbfe459030435df4c7d465262df6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-11-24T06:50:24Z",
    "title_canon_sha256": "60a8a5374153182ba60caa98c8940859e3d339d9db6462f761ec298e6619b666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07591",
    "kind": "arxiv",
    "version": 1
  }
}