Pith Number

pith:UQUWK7R7

pith:2017:UQUWK7R7IGSYYLD6Z63YUAYKON

not attested not anchored not stored refs pending

The edge-Hosoya polynomial of benzenoid chains

Niko Tratnik, Petra \v{Z}igert Pleter\v{s}ek

arxiv:1712.05563 v1 · 2017-12-15 · 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{UQUWK7R7IGSYYLD6Z63YUAYKON}

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	2026-05-17T23:49:11.955124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a429657e3f41a58c2c7ecfb78a030a73520788bec566a303623d47b94f853102

Aliases

arxiv: 1712.05563 · arxiv_version: 1712.05563v1 · doi: 10.48550/arxiv.1712.05563 · pith_short_12: UQUWK7R7IGSY · pith_short_16: UQUWK7R7IGSYYLD6 · pith_short_8: UQUWK7R7

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/UQUWK7R7IGSYYLD6Z63YUAYKON \
  | 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: a429657e3f41a58c2c7ecfb78a030a73520788bec566a303623d47b94f853102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b15889ee139b0a6371e421d660f1da08a0371ed1eaa679a11b2f1b266a82bdb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-12-15T07:14:28Z",
    "title_canon_sha256": "197fbeaa608097771c5a093b605b3c1dac58563ff3308855f77d3a9a5ff93da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05563",
    "kind": "arxiv",
    "version": 1
  }
}