Pith Number

pith:NE7J3EZ5

pith:2018:NE7J3EZ5CL5RHYBMNYS2D22GDI

not attested not anchored not stored refs pending

LDPC Codes over Gaussian Multiple Access Wiretap Channel

Bahareh Akhbari, Reza Asvadi, Sahar Shahbaz

arxiv:1801.04420 v2 · 2018-01-13 · 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{NE7J3EZ5CL5RHYBMNYS2D22GDI}

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	2026-05-18T00:25:36.610494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

693e9d933d12fb13e02c6e25a1eb461a0d13559640b7bc941a424070cd930c10

Aliases

arxiv: 1801.04420 · arxiv_version: 1801.04420v2 · doi: 10.48550/arxiv.1801.04420 · pith_short_12: NE7J3EZ5CL5R · pith_short_16: NE7J3EZ5CL5RHYBM · pith_short_8: NE7J3EZ5

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/NE7J3EZ5CL5RHYBMNYS2D22GDI \
  | 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: 693e9d933d12fb13e02c6e25a1eb461a0d13559640b7bc941a424070cd930c10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd87ab54ed3f083416581fc88bcfe4daed27abb4709ad674a429116ec578126",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-13T11:24:31Z",
    "title_canon_sha256": "a236ee06c739234654376bc615ce36847fc7f1229b5b17828d535c3baa901ccc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04420",
    "kind": "arxiv",
    "version": 2
  }
}