Pith Number

pith:R2L2W5IR

pith:2025:R2L2W5IRJJWFNMLC3XPZ47HCNA

not attested not anchored not stored refs pending

Optimal Linear MAP Decoding of Convolutional Codes

Branka Vucetic, Chentao Yue, Yonghui Li

arxiv:2504.14778 v1 · 2025-04-21 · 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{R2L2W5IRJJWFNMLC3XPZ47HCNA}

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	2026-07-05T10:51:50.423015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e97ab75114a6c56b162dddf9e7ce2683add5c75f02ce46fc899f4de08053035

Aliases

arxiv: 2504.14778 · arxiv_version: 2504.14778v1 · doi: 10.48550/arxiv.2504.14778 · pith_short_12: R2L2W5IRJJWF · pith_short_16: R2L2W5IRJJWFNMLC · pith_short_8: R2L2W5IR

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/R2L2W5IRJJWFNMLC3XPZ47HCNA \
  | 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: 8e97ab75114a6c56b162dddf9e7ce2683add5c75f02ce46fc899f4de08053035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3a88f7ef0d3bff3ed4232622e579f37cbd133a71ff8f91695cb23e62536375b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-04-21T00:31:22Z",
    "title_canon_sha256": "98d32e898032042c4a5260bb602c57ac61c1fa773dcd544d3ef81df1f3d82761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14778",
    "kind": "arxiv",
    "version": 1
  }
}