Pith Number

pith:TF6FAT5T

pith:2007:TF6FAT5TXME7K2YL5HXUZ7LGI4

not attested not anchored not stored refs pending

Optimum Linear LLR Calculation for Iterative Decoding on Fading Channels

Masoud Ardakani, Raman Yazdani

arxiv:0704.2452 v1 · 2007-04-19 · 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{TF6FAT5TXME7K2YL5HXUZ7LGI4}

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	2026-05-18T03:57:53.952624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

997c504fb3bb09f56b0be9ef4cfd66473ea804300de13054654d279ef53a489d

Aliases

arxiv: 0704.2452 · arxiv_version: 0704.2452v1 · doi: 10.48550/arxiv.0704.2452 · pith_short_12: TF6FAT5TXME7 · pith_short_16: TF6FAT5TXME7K2YL · pith_short_8: TF6FAT5T

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/TF6FAT5TXME7K2YL5HXUZ7LGI4 \
  | 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: 997c504fb3bb09f56b0be9ef4cfd66473ea804300de13054654d279ef53a489d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8bc152a7951ed9f28087bd621c3274f779cb2b8b9f8872de04919363d4f0dae",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-04-19T02:22:52Z",
    "title_canon_sha256": "29edd9263e468ee895e1535f26b47a8741fec6583b9ed993f196bd37baa38d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2452",
    "kind": "arxiv",
    "version": 1
  }
}