Pith Number

pith:2SE3Q2F5

pith:2016:2SE3Q2F5HCZWWSB56JXDP3AGUG

not attested not anchored not stored refs pending

On the local genus distribution of graph embeddings

Christian M. Reidys, Ricky X. F. Chen

arxiv:1601.02574 v1 · 2016-01-11 · 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{2SE3Q2F5HCZWWSB56JXDP3AGUG}

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	2026-05-18T00:48:43.021167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d489b868bd38b36b483df26e37ec06a1afcc4a2dfb5be1c739780820f36947c6

Aliases

arxiv: 1601.02574 · arxiv_version: 1601.02574v1 · doi: 10.48550/arxiv.1601.02574 · pith_short_12: 2SE3Q2F5HCZW · pith_short_16: 2SE3Q2F5HCZWWSB5 · pith_short_8: 2SE3Q2F5

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/2SE3Q2F5HCZWWSB56JXDP3AGUG \
  | 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: d489b868bd38b36b483df26e37ec06a1afcc4a2dfb5be1c739780820f36947c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d14bf587f1f3abf5fb3438e2a445fdec27131c91f7d8113925830819d10e0710",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-01-11T19:56:33Z",
    "title_canon_sha256": "ae4ef2ecc3baf51d4349ee434754d71f57730bf19a5481a7a36cf77e955894ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02574",
    "kind": "arxiv",
    "version": 1
  }
}