Pith Number

pith:E5ZN77UQ

pith:2013:E5ZN77UQ62JQMTIYLTHR5Y7X54

not attested not anchored not stored refs pending

Entropy, Optimization and Counting

Mohit Singh, Nisheeth K. Vishnoi

arxiv:1304.8108 v1 · 2013-04-30 · cs.DS · cs.CC · cs.DM · math.CO · stat.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{E5ZN77UQ62JQMTIYLTHR5Y7X54}

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	2026-05-18T03:26:42.289626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2772dffe90f693064d185ccf1ee3f7ef134e8e13004757d274df08d9319d8d61

Aliases

arxiv: 1304.8108 · arxiv_version: 1304.8108v1 · doi: 10.48550/arxiv.1304.8108 · pith_short_12: E5ZN77UQ62JQ · pith_short_16: E5ZN77UQ62JQMTIY · pith_short_8: E5ZN77UQ

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/E5ZN77UQ62JQMTIYLTHR5Y7X54 \
  | 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: 2772dffe90f693064d185ccf1ee3f7ef134e8e13004757d274df08d9319d8d61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "010743ea5cc09e7b90ed9bb765e9e00fc232b7c45886a9840dac5caf8ccff0b4",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "math.CO",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-30T18:39:26Z",
    "title_canon_sha256": "b353baeb343fabd3aba15544229e2b229530d7b0140da2e9a71323f65616e5da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.8108",
    "kind": "arxiv",
    "version": 1
  }
}