Pith Number

pith:K2W3CVTS

pith:2011:K2W3CVTSRONDLJSNO4Z4NEP37T

not attested not anchored not stored refs pending

Universal Codes for the Gaussian MAC via Spatial Coupling

Arvind Yedla, Henry D. Pfister, Krishna R. Narayanan, Phong S. Nguyen

arxiv:1110.0252 v1 · 2011-10-03 · 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{K2W3CVTSRONDLJSNO4Z4NEP37T}

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	2026-05-18T04:11:50.399301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56adb156728b9a35a64d7733c691fbfcd6c53f382a4ac17b87ea2d4d1195af57

Aliases

arxiv: 1110.0252 · arxiv_version: 1110.0252v1 · doi: 10.48550/arxiv.1110.0252 · pith_short_12: K2W3CVTSROND · pith_short_16: K2W3CVTSRONDLJSN · pith_short_8: K2W3CVTS

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/K2W3CVTSRONDLJSNO4Z4NEP37T \
  | 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: 56adb156728b9a35a64d7733c691fbfcd6c53f382a4ac17b87ea2d4d1195af57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "438c32671022af3811f930e9246e8dafed86a419f6eb2106634666400ecb7d52",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-10-03T01:00:46Z",
    "title_canon_sha256": "4e22c53519683669520a038ad4fac4585920dddbe20b96dbaa77261296bf301f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0252",
    "kind": "arxiv",
    "version": 1
  }
}