Pith Number

pith:XL66PM5J

pith:2017:XL66PM5JXU5B46MJTV5C7HD7YB

not attested not anchored not stored refs pending

On the Clar Number of Benzenoid Graphs

Istv\'an Est\'elyi, Niko Tratnik, Nino Ba\v{s}i\'c, Riste \v{S}krekovski

arxiv:1709.04195 v1 · 2017-09-13 · 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{XL66PM5JXU5B46MJTV5C7HD7YB}

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	2026-05-18T00:07:18.434871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bafde7b3a9bd3a1e79899d7a2f9c7fc04560f6f157b910d29b75f92c711083f9

Aliases

arxiv: 1709.04195 · arxiv_version: 1709.04195v1 · doi: 10.48550/arxiv.1709.04195 · pith_short_12: XL66PM5JXU5B · pith_short_16: XL66PM5JXU5B46MJ · pith_short_8: XL66PM5J

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/XL66PM5JXU5B46MJTV5C7HD7YB \
  | 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: bafde7b3a9bd3a1e79899d7a2f9c7fc04560f6f157b910d29b75f92c711083f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38952394c6b48b97bd4b9bd573b4a5025121dd09f4f54a8c21c53532aa4e8841",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-13T08:58:06Z",
    "title_canon_sha256": "930f02120fa54a9028577ae5d4383efd1c9307077f7e86644f5bdd3aea38e8df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04195",
    "kind": "arxiv",
    "version": 1
  }
}