Pith Number

pith:WCEWPJNY

pith:2012:WCEWPJNYUNUW62GDIE4UQKTTUD

not attested not anchored not stored refs pending

Interactive Encoding and Decoding Based on Binary LDPC Codes with Syndrome Accumulation

En-Hui Yang (University of Waterloo), Jin Meng

arxiv:1201.5167 v1 · 2012-01-25 · 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{WCEWPJNYUNUW62GDIE4UQKTTUD}

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	2026-05-18T02:21:18.367306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b08967a5b8a3696f68c34139482a73a0ea0779096983a54f17fc80e7b7e1a312

Aliases

arxiv: 1201.5167 · arxiv_version: 1201.5167v1 · doi: 10.48550/arxiv.1201.5167 · pith_short_12: WCEWPJNYUNUW · pith_short_16: WCEWPJNYUNUW62GD · pith_short_8: WCEWPJNY

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/WCEWPJNYUNUW62GDIE4UQKTTUD \
  | 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: b08967a5b8a3696f68c34139482a73a0ea0779096983a54f17fc80e7b7e1a312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8887a358940e8b9277c7ed2e385ef4d09a20cf6aa9fba71644f1fbad279eb50c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-25T00:56:03Z",
    "title_canon_sha256": "a5980a89f4a2ae44ad10b9f24cf4f451966a8658b6b603dd0e62e9660acab6d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5167",
    "kind": "arxiv",
    "version": 1
  }
}