Pith Number

pith:4EZAI4UI

pith:2009:4EZAI4UIXTZCWGLGYSVARYMNPA

not attested not anchored not stored refs pending

Statistical mechanics of LDPC codes on channels with memory

I. Neri, N. S. Skantzos

arxiv:0907.0775 v1 · 2009-07-04 · cond-mat.dis-nn · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EZAI4UIXTZCWGLGYSVARYMNPA}

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	2026-05-18T02:42:15.535872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e132047288bcf22b1966c4aa08e18d782ab860fb90020375bbd5c56126a38ff6

Aliases

arxiv: 0907.0775 · arxiv_version: 0907.0775v1 · doi: 10.48550/arxiv.0907.0775 · pith_short_12: 4EZAI4UIXTZC · pith_short_16: 4EZAI4UIXTZCWGLG · pith_short_8: 4EZAI4UI

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/4EZAI4UIXTZCWGLGYSVARYMNPA \
  | 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: e132047288bcf22b1966c4aa08e18d782ab860fb90020375bbd5c56126a38ff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07083ee3389b8f18c5274adb8ed6d89944f58febf3868a02fbe910ee636e1ba1",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2009-07-04T17:13:07Z",
    "title_canon_sha256": "254cb4dd3ba75dda2ec1c81ba06172c7613d483edf58669b70f946412fade1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0775",
    "kind": "arxiv",
    "version": 1
  }
}