Pith Number

pith:UXQIC2II

pith:2015:UXQIC2II5UWLUAIRQDD3Z47P5V

not attested not anchored not stored refs pending

A survey of recent results in (generalized) graph entropies

Meiqin Wei, Xueliang Li

arxiv:1505.04658 v2 · 2015-05-18 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXQIC2II5UWLUAIRQDD3Z47P5V}

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	2026-05-18T02:05:23.246784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5e0816908ed2cba011180c7bcf3efed6f92f1b28161ecfea83ddc6c6249f331

Aliases

arxiv: 1505.04658 · arxiv_version: 1505.04658v2 · doi: 10.48550/arxiv.1505.04658 · pith_short_12: UXQIC2II5UWL · pith_short_16: UXQIC2II5UWLUAIR · pith_short_8: UXQIC2II

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/UXQIC2II5UWLUAIRQDD3Z47P5V \
  | 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: a5e0816908ed2cba011180c7bcf3efed6f92f1b28161ecfea83ddc6c6249f331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fdff23cfa70471fc38358c7bab546e10b8bba2296f08d4ed00f7999b1208c9e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-18T14:29:41Z",
    "title_canon_sha256": "81136e51d1cce19fb22970483983e747bd104df57e253072380c8a3ceb1673e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04658",
    "kind": "arxiv",
    "version": 2
  }
}