Pith Number

pith:AILCOFNE

pith:2016:AILCOFNEUBLRY2QATM45ME6NAX

not attested not anchored not stored refs pending

New Density Evolution Approximation for LDPC and Multi-Edge Type LDPC Codes

Gottfried Lechner, Lawrence Ong, Mahyar Shirvanimoghaddam, Sachini Jayasooriya, Sarah J. Johnson

arxiv:1605.04665 v1 · 2016-05-16 · 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{AILCOFNEUBLRY2QATM45ME6NAX}

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	2026-05-18T01:14:46.581029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02162715a4a0571c6a009b39d613cd05cd37c298b4a3f5b8b2ec611dd356d2cb

Aliases

arxiv: 1605.04665 · arxiv_version: 1605.04665v1 · doi: 10.48550/arxiv.1605.04665 · pith_short_12: AILCOFNEUBLR · pith_short_16: AILCOFNEUBLRY2QA · pith_short_8: AILCOFNE

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/AILCOFNEUBLRY2QATM45ME6NAX \
  | 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: 02162715a4a0571c6a009b39d613cd05cd37c298b4a3f5b8b2ec611dd356d2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07aed552026fcd1f68cf760a76c3c1724bf5ecd614f376a9fef614dbf6d73b34",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-16T06:54:45Z",
    "title_canon_sha256": "e75bad61543af89bbbb03a3ca264f7b6530d88ce623d4bd56dbe4793aa1a4d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04665",
    "kind": "arxiv",
    "version": 1
  }
}