Pith Number

pith:RP5SU4FG

pith:2009:RP5SU4FG3U44EF2NQB5CDEU2JS

not attested not anchored not stored refs pending

Construction of Additive Reed-Muller Codes

J. Pujol, J. Rif\`a, L. Ronquillo

arxiv:0909.3185 v2 · 2009-09-17 · 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{RP5SU4FG3U44EF2NQB5CDEU2JS}

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	2026-05-18T04:05:46.123656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bfb2a70a6dd39c2174d807a21929a4c9d78d0aef5559c87de4930136c36c705

Aliases

arxiv: 0909.3185 · arxiv_version: 0909.3185v2 · doi: 10.48550/arxiv.0909.3185 · pith_short_12: RP5SU4FG3U44 · pith_short_16: RP5SU4FG3U44EF2N · pith_short_8: RP5SU4FG

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/RP5SU4FG3U44EF2NQB5CDEU2JS \
  | 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: 8bfb2a70a6dd39c2174d807a21929a4c9d78d0aef5559c87de4930136c36c705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5259c4258a0f5c0ff7e61d94fae50708c7540eaf46ac7b0653e5307e64e6a95",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-09-17T11:13:02Z",
    "title_canon_sha256": "1cb14b194c821d6ac8d7887b9816e1c3cbfb7fe6f22211abc06e5c6385ae01c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3185",
    "kind": "arxiv",
    "version": 2
  }
}