Pith Number

pith:7LAMRFQN

pith:2012:7LAMRFQNYFQDVNPCMRJ5N7W2SM

not attested not anchored not stored refs pending

Nash Codes for Noisy Channels

Bernhard von Stengel, Penelope Hernandez

arxiv:1202.1547 v3 · 2012-02-07 · cs.GT · 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{7LAMRFQNYFQDVNPCMRJ5N7W2SM}

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	2026-05-18T02:30:01.469951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac0c8960dc1603ab5e26453d6feda931a867cdd5e0eb6acfd6ef7941fb1e7e5

Aliases

arxiv: 1202.1547 · arxiv_version: 1202.1547v3 · doi: 10.48550/arxiv.1202.1547 · pith_short_12: 7LAMRFQNYFQD · pith_short_16: 7LAMRFQNYFQDVNPC · pith_short_8: 7LAMRFQN

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/7LAMRFQNYFQDVNPCMRJ5N7W2SM \
  | 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: fac0c8960dc1603ab5e26453d6feda931a867cdd5e0eb6acfd6ef7941fb1e7e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2c0ca93c86fc5280ab9f92f38c0832570bfc636f3f108cd3d4df12116ddc8e8",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2012-02-07T22:20:04Z",
    "title_canon_sha256": "cddf1e5fdbee54d7bd8e73cd4accf2fd235e7e1dd63c952b283fd2ab89e9c0f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1547",
    "kind": "arxiv",
    "version": 3
  }
}