Pith Number

pith:V7444ZHH

pith:2012:V7444ZHH3FKLCBZWHYNJTRJV34

not attested not anchored not stored refs pending

Strong Coordination with Polar Codes

Joerg Kliewer, Laura Luzzi, Matthieu R. Bloch

arxiv:1210.2159 v1 · 2012-10-08 · 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{V7444ZHH3FKLCBZWHYNJTRJV34}

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	2026-05-18T03:43:50.936892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aff9ce64e7d954b107363e1a99c535df084223a3e838902b09f78e0555f00479

Aliases

arxiv: 1210.2159 · arxiv_version: 1210.2159v1 · doi: 10.48550/arxiv.1210.2159 · pith_short_12: V7444ZHH3FKL · pith_short_16: V7444ZHH3FKLCBZW · pith_short_8: V7444ZHH

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/V7444ZHH3FKLCBZWHYNJTRJV34 \
  | 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: aff9ce64e7d954b107363e1a99c535df084223a3e838902b09f78e0555f00479

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f2a7e1b79db26e4580b31379e0557dbf6d060bfec16d4b68dd8bdd660f2af81",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-08T07:02:27Z",
    "title_canon_sha256": "0ad543028f549341bd9691a88308905c09c288bdda3a38422b4be5e27ffcefd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2159",
    "kind": "arxiv",
    "version": 1
  }
}