Pith Number

pith:IXO74YKY

pith:2009:IXO74YKYLPXIF53ELF7LREJIS6

not attested not anchored not stored refs pending

Complexity-Efficient Enumeration Techniques for Soft-Input, Soft-Output Sphere Decoding

Dan Zhang, Gerd Ascheid, I-Wei Lai, Konstantinos Nikitopoulos

arxiv:0906.3194 v3 · 2009-06-17 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXO74YKYLPXIF53ELF7LREJIS6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:44:04.863904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45ddfe61585bee82f764597eb89128979f322b404fc79322bbad264be76b2807

Aliases

arxiv: 0906.3194 · arxiv_version: 0906.3194v3 · doi: 10.48550/arxiv.0906.3194 · pith_short_12: IXO74YKYLPXI · pith_short_16: IXO74YKYLPXIF53E · pith_short_8: IXO74YKY

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/IXO74YKYLPXIF53ELF7LREJIS6 \
  | 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: 45ddfe61585bee82f764597eb89128979f322b404fc79322bbad264be76b2807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81c60d6189b0e219992273f302d3df24e2e45ebea8424146a68df5747d1aa766",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2009-06-17T14:31:13Z",
    "title_canon_sha256": "0ad2209d91f61d5b1aa7bdec096159fd77fb44e2f07a4e18f0a97de72f251011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3194",
    "kind": "arxiv",
    "version": 3
  }
}