Pith Number

pith:GFUW6X2G

pith:2016:GFUW6X2GETRIUCN4SAXOME57XK

not attested not anchored not stored refs pending

The Edge-Szeged Index and the PI Index of Benzenoid Systems in Linear Time

Niko Tratnik

arxiv:1606.07236 v2 · 2016-06-23 · 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{GFUW6X2GETRIUCN4SAXOME57XK}

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	2026-05-18T00:07:18.986521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31696f5f4624e28a09bc902ee613bfbaba5b02f636870976227a74258575b569

Aliases

arxiv: 1606.07236 · arxiv_version: 1606.07236v2 · doi: 10.48550/arxiv.1606.07236 · pith_short_12: GFUW6X2GETRI · pith_short_16: GFUW6X2GETRIUCN4 · pith_short_8: GFUW6X2G

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/GFUW6X2GETRIUCN4SAXOME57XK \
  | 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: 31696f5f4624e28a09bc902ee613bfbaba5b02f636870976227a74258575b569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e8f29f7ce5cad06c0b613b3d7bb9cf45c1eddd9b6fa7e0bee33053fd65e262",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-06-23T09:15:35Z",
    "title_canon_sha256": "e4a5c6239c42583f26a60273c01df749703e2ccdde0ee33a67c90b70c7537ced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07236",
    "kind": "arxiv",
    "version": 2
  }
}