Pith Number

pith:5AQCSAND

pith:2018:5AQCSANDWZTQGR6YM5BVESF257

not attested not anchored not stored refs pending

Polar codes for empirical coordination over noisy channels with strictly causal encoding

Giulia Cervia, Laura Luzzi, Ma\"el Le Treust, Matthieu R. Bloch

arxiv:1802.09795 v1 · 2018-02-27 · 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{5AQCSANDWZTQGR6YM5BVESF257}

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	2026-05-18T00:22:22.147949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8202901a3b6670347d867435248baefc500ef3af66e749edf039459a51d460b

Aliases

arxiv: 1802.09795 · arxiv_version: 1802.09795v1 · doi: 10.48550/arxiv.1802.09795 · pith_short_12: 5AQCSANDWZTQ · pith_short_16: 5AQCSANDWZTQGR6Y · pith_short_8: 5AQCSAND

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/5AQCSANDWZTQGR6YM5BVESF257 \
  | 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: e8202901a3b6670347d867435248baefc500ef3af66e749edf039459a51d460b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e62c22c2c5aa90383642bfcf50496fe01183ae7c6028caa3ff59b692056123ad",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-27T09:50:13Z",
    "title_canon_sha256": "68723180537355bf60188d1d302b8ceeeff0b537fe4403df8e54907d7a89d401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09795",
    "kind": "arxiv",
    "version": 1
  }
}