Pith Number

pith:IIF5QNRA

pith:2013:IIF5QNRA77CAPTMSFVOMNPXYCG

not attested not anchored not stored refs pending

A note on 'A New Approach To Compute Wiener Index'

Aleksandar Ilic

arxiv:1307.6502 v1 · 2013-07-24 · 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{IIF5QNRA77CAPTMSFVOMNPXYCG}

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	2026-05-18T03:17:36.338496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420bd83620ffc407cd922d5cc6bef811ba5467d9a8fa81eb73b78658be4e4c7b

Aliases

arxiv: 1307.6502 · arxiv_version: 1307.6502v1 · doi: 10.48550/arxiv.1307.6502 · pith_short_12: IIF5QNRA77CA · pith_short_16: IIF5QNRA77CAPTMS · pith_short_8: IIF5QNRA

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/IIF5QNRA77CAPTMSFVOMNPXYCG \
  | 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: 420bd83620ffc407cd922d5cc6bef811ba5467d9a8fa81eb73b78658be4e4c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "995000ffa656988f1e8f66d8846de2be7707f718799098b7adde978e5aeee6e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-07-24T17:28:24Z",
    "title_canon_sha256": "ef0d0ad124e7a35422be66c81da0a0d013c7a56cbe17a3a8f4159e9af2e4bbc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6502",
    "kind": "arxiv",
    "version": 1
  }
}