Pith Number

pith:6DYT2PNO

pith:2019:6DYT2PNOS4GUQIHQ5PUPEGSSQ4

not attested not anchored not stored refs pending

On Fractional Decoding of Reed-Solomon Codes

Welington Santos

arxiv:1904.05400 v1 · 2019-04-10 · 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{6DYT2PNOS4GUQIHQ5PUPEGSSQ4}

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	2026-05-17T23:48:49.666714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f13d3dae970d4820f0ebe8f21a52872a35692723dfb04b2c21883eb26ec0a5

Aliases

arxiv: 1904.05400 · arxiv_version: 1904.05400v1 · doi: 10.48550/arxiv.1904.05400 · pith_short_12: 6DYT2PNOS4GU · pith_short_16: 6DYT2PNOS4GUQIHQ · pith_short_8: 6DYT2PNO

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/6DYT2PNOS4GUQIHQ5PUPEGSSQ4 \
  | 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: f0f13d3dae970d4820f0ebe8f21a52872a35692723dfb04b2c21883eb26ec0a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fb406be2d110212c047a7eabe226e2693afad55422b8126042cf998f311035c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-10T19:21:19Z",
    "title_canon_sha256": "d35313de2cee57b5ee378ec45dd49203e96d6bc93c5fa9d6bd33130e5aa0af8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05400",
    "kind": "arxiv",
    "version": 1
  }
}