Pith Number

pith:QDSESM2P

pith:2014:QDSESM2PYASCLUOSD6CEPK5Y2A

not attested not anchored not stored refs pending

Computing Entropy Rate Of Symbol Sources & A Distribution-free Limit Theorem

Hod Lipson, Ishanu Chattopadhyay

arxiv:1401.0711 v2 · 2014-01-03 · cs.IT · cs.LG · math.IT · math.PR · stat.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDSESM2PYASCLUOSD6CEPK5Y2A}

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	2026-05-18T02:55:57.005388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80e449334fc02425d1d21f8447abb8d0042710254c1a0c1b3f571062c6201304

Aliases

arxiv: 1401.0711 · arxiv_version: 1401.0711v2 · doi: 10.48550/arxiv.1401.0711 · pith_short_12: QDSESM2PYASC · pith_short_16: QDSESM2PYASCLUOS · pith_short_8: QDSESM2P

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/QDSESM2PYASCLUOSD6CEPK5Y2A \
  | 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: 80e449334fc02425d1d21f8447abb8d0042710254c1a0c1b3f571062c6201304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd66d75d2983e73348cd38f0b16610a1ef92d7d7ee0cf45daa13296d2e78cf72",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "math.PR",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-03T20:30:01Z",
    "title_canon_sha256": "17ca707dca81d79a2d1bf3fd3bffecbf1d0e9101cdb7b8e669f636b5485d6ddb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0711",
    "kind": "arxiv",
    "version": 2
  }
}