Pith Number

pith:OMP56HSS

pith:2013:OMP56HSSVLKUBZ2BZK27742KGW

not attested not anchored not stored refs pending

Polar Codes for Arbitrary DMCs and Arbitrary MACs

Emre Telatar, Rajai Nasser

arxiv:1311.3123 v1 · 2013-11-13 · 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{OMP56HSSVLKUBZ2BZK27742KGW}

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	2026-05-18T01:12:25.418815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731fdf1e52aad540e741cab5fff34a359249d65c885c88e7b154c0fe669945f6

Aliases

arxiv: 1311.3123 · arxiv_version: 1311.3123v1 · doi: 10.48550/arxiv.1311.3123 · pith_short_12: OMP56HSSVLKU · pith_short_16: OMP56HSSVLKUBZ2B · pith_short_8: OMP56HSS

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/OMP56HSSVLKUBZ2BZK27742KGW \
  | 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: 731fdf1e52aad540e741cab5fff34a359249d65c885c88e7b154c0fe669945f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978efe605b566cc39de30bea6a4da19701c1c77f2e709eed29fddeba5bdbad78",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-13T13:24:56Z",
    "title_canon_sha256": "3f708d09851e2114a41da9c8bd1e5f1301b3ee4e02967e46235f13f7395b412c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3123",
    "kind": "arxiv",
    "version": 1
  }
}