Pith Number

pith:GXYEIMRA

pith:2018:GXYEIMRA2VHSDX4AQRQOFTM5A7

not attested not anchored not stored refs pending

Generalized Reed-Solomon Codes with Sparsest and Balanced Generator Matrices

Kui Cai, Wentu Song

arxiv:1801.02315 v1 · 2018-01-08 · 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{GXYEIMRA2VHSDX4AQRQOFTM5A7}

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	2026-05-18T00:26:32.072880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35f0443220d54f21df808460e2cd9d07c029b1b7f9ac1fe230f43baa2b2d4dec

Aliases

arxiv: 1801.02315 · arxiv_version: 1801.02315v1 · doi: 10.48550/arxiv.1801.02315 · pith_short_12: GXYEIMRA2VHS · pith_short_16: GXYEIMRA2VHSDX4A · pith_short_8: GXYEIMRA

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/GXYEIMRA2VHSDX4AQRQOFTM5A7 \
  | 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: 35f0443220d54f21df808460e2cd9d07c029b1b7f9ac1fe230f43baa2b2d4dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b4cbaac55c9f36e0e0a5c26a88090368888c730da2cbc000b1b6c9be6364de7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-08T06:17:02Z",
    "title_canon_sha256": "b9d4d7ece589cf3e7846aae41c53198bcb5603d8800c18ec5b096d9d2b3aade2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02315",
    "kind": "arxiv",
    "version": 1
  }
}