Pith Number

pith:355NVZ2Q

pith:2017:355NVZ2QYHFKPI523YMMHPMFLF

not attested not anchored not stored refs pending

Design of Capacity Approaching Ensembles of LDPC Codes for Correlated Sources using EXIT Charts

Hamid Saeedi, Mohamad Khas Mohamadi, Reza Asvadi

arxiv:1701.08067 v1 · 2017-01-27 · 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{355NVZ2QYHFKPI523YMMHPMFLF}

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	2026-05-18T00:51:58.927709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df7adae750c1caa7a3bade18c3bd85595b0fb94754a6da83bce840b528bc8cb4

Aliases

arxiv: 1701.08067 · arxiv_version: 1701.08067v1 · doi: 10.48550/arxiv.1701.08067 · pith_short_12: 355NVZ2QYHFK · pith_short_16: 355NVZ2QYHFKPI52 · pith_short_8: 355NVZ2Q

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/355NVZ2QYHFKPI523YMMHPMFLF \
  | 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: df7adae750c1caa7a3bade18c3bd85595b0fb94754a6da83bce840b528bc8cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57aeb863630725d74de99eca1a143ab846c6a447a2e53ff48afaf6de8506cec8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-27T14:40:16Z",
    "title_canon_sha256": "287c530e48f2d93b136cb45959ac1e7bd971b14da06587cf95e155b38494b5b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08067",
    "kind": "arxiv",
    "version": 1
  }
}