Pith Number

pith:7SFZ53BO

pith:2003:7SFZ53BOMPLP4C6WAIL5AEBFCZ

not attested not anchored not stored refs pending

Average and reliability error exponents in low-density parity-check codes

D. Saad, J. van Mourik, N.S. Skantzos, Y. Kabashima

arxiv:cond-mat/0304520 v1 · 2003-04-23 · cond-mat.dis-nn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SFZ53BOMPLP4C6WAIL5AEBFCZ}

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	2026-05-18T01:06:57.571280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8b9eec2e63d6fe0bd60217d010251679033252c8a1e804f856cd2fb5d86758

Aliases

arxiv: cond-mat/0304520 · arxiv_version: cond-mat/0304520v1 · doi: 10.48550/arxiv.cond-mat/0304520 · pith_short_12: 7SFZ53BOMPLP · pith_short_16: 7SFZ53BOMPLP4C6W · pith_short_8: 7SFZ53BO

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/7SFZ53BOMPLP4C6WAIL5AEBFCZ \
  | 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: fc8b9eec2e63d6fe0bd60217d010251679033252c8a1e804f856cd2fb5d86758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6142cf8809a66a097a455d7a713aae83cf119023074afe4db9f7a0a2d218505",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2003-04-23T13:31:44Z",
    "title_canon_sha256": "52b81fbb1779b822ef68a05f3514349bb119b60326c81115c7893a04669c8c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0304520",
    "kind": "arxiv",
    "version": 1
  }
}