Pith Number

pith:SHYTWNCS

pith:2008:SHYTWNCS56MYXOOVZDDYYRWUJO

not attested not anchored not stored refs pending

Chemical trees minimizing energy and Hosoya index

Clemens Heuberger, Stephan G. Wagner

arxiv:0804.0516 v1 · 2008-04-03 · 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{SHYTWNCS56MYXOOVZDDYYRWUJO}

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	2026-05-18T04:14:36.572543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91f13b3452ef998bb9d5c8c78c46d44b946c745f5fb91b89e02c9e724d26b88b

Aliases

arxiv: 0804.0516 · arxiv_version: 0804.0516v1 · doi: 10.48550/arxiv.0804.0516 · pith_short_12: SHYTWNCS56MY · pith_short_16: SHYTWNCS56MYXOOV · pith_short_8: SHYTWNCS

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/SHYTWNCS56MYXOOVZDDYYRWUJO \
  | 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: 91f13b3452ef998bb9d5c8c78c46d44b946c745f5fb91b89e02c9e724d26b88b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b25f5d9b50b4a1b9a81d61a5d0c7c62e74aa952d6181cc785616aa8e25dedad9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2008-04-03T16:42:11Z",
    "title_canon_sha256": "a5fab88b1cde99307f24b482f6bb5281f95d3a174966f1144e5976f72c38721d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0516",
    "kind": "arxiv",
    "version": 1
  }
}