Pith Number

pith:DCUN3QJZ

pith:2012:DCUN3QJZCB3SL4CN6PVZXKZGSZ

not attested not anchored not stored refs pending

About adaptive coding on countable alphabets

Dominique Bontemps (IMT), Elisabeth Gassiat (LM-Orsay), St\'ephane Boucheron (LPMA)

arxiv:1202.0258 v4 · 2012-02-01 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCUN3QJZCB3SL4CN6PVZXKZGSZ}

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	2026-05-18T02:56:52.280672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18a8ddc139107725f04df3eb9bab269658396689cadfa1a32c8359a910c89118

Aliases

arxiv: 1202.0258 · arxiv_version: 1202.0258v4 · doi: 10.48550/arxiv.1202.0258 · pith_short_12: DCUN3QJZCB3S · pith_short_16: DCUN3QJZCB3SL4CN · pith_short_8: DCUN3QJZ

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/DCUN3QJZCB3SL4CN6PVZXKZGSZ \
  | 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: 18a8ddc139107725f04df3eb9bab269658396689cadfa1a32c8359a910c89118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067caced779bc3048a362cce54ec949f711895b788b618dd9c3ec54295aa46a8",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-02-01T19:58:06Z",
    "title_canon_sha256": "80d07e30b64979cdac6d09ade159854afcbd189c0b45da8a15c870d08209fa4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0258",
    "kind": "arxiv",
    "version": 4
  }
}