Pith Number

pith:RB55W256

pith:2011:RB55W256XY7ON52XWHMAQXMWBD

not attested not anchored not stored refs pending

Optimal prefix codes for pairs of geometrically-distributed random variables

Alfredo Viola, Fr\'ed\'erique Bassino, Gadiel Seroussi, Julien Cl\'ement

arxiv:1102.2413 v2 · 2011-02-11 · 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{RB55W256XY7ON52XWHMAQXMWBD}

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	2026-05-18T03:37:09.243850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887bdb6bbebe3ee6f757b1d8085d9608dd3a8230749cbfc4101745831d9a374d

Aliases

arxiv: 1102.2413 · arxiv_version: 1102.2413v2 · doi: 10.48550/arxiv.1102.2413 · pith_short_12: RB55W256XY7O · pith_short_16: RB55W256XY7ON52X · pith_short_8: RB55W256

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/RB55W256XY7ON52XWHMAQXMWBD \
  | 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: 887bdb6bbebe3ee6f757b1d8085d9608dd3a8230749cbfc4101745831d9a374d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cece088062e756467365d0afdab2ffb78884a168c82349019c7c8639ca3d2fd5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-11T19:01:58Z",
    "title_canon_sha256": "118e9c7f192941467db0cb59ca2eb3d33263a96c18d685fca33e1dbdc163f292"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2413",
    "kind": "arxiv",
    "version": 2
  }
}