Pith Number

pith:2523MS2Y

pith:2012:2523MS2Y7IST6AJSGOZBUO4VAS

not attested not anchored not stored refs pending

Diversity versus Channel Knowledge at Finite Block-Length

Giuseppe Durisi, Tobias Koch, Wei Yang, Yury Polyanskiy

arxiv:1204.2927 v2 · 2012-04-13 · 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{2523MS2Y7IST6AJSGOZBUO4VAS}

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	2026-05-18T03:48:33.757248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d775b64b58fa253f013233b21a3b950497b8f6f6e5ec2fa5a92bf3cb4f934781

Aliases

arxiv: 1204.2927 · arxiv_version: 1204.2927v2 · doi: 10.48550/arxiv.1204.2927 · pith_short_12: 2523MS2Y7IST · pith_short_16: 2523MS2Y7IST6AJS · pith_short_8: 2523MS2Y

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/2523MS2Y7IST6AJSGOZBUO4VAS \
  | 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: d775b64b58fa253f013233b21a3b950497b8f6f6e5ec2fa5a92bf3cb4f934781

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de9bc0d1ab9a6080894fead1efe4bbbe71a00f3e678502c1f3c0e3a52fc34bfc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-13T09:12:46Z",
    "title_canon_sha256": "d3666698da486f98287497d06d232c86b5b20cd5350ea3cc8bd2034bf0172c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2927",
    "kind": "arxiv",
    "version": 2
  }
}