Pith Number

pith:OL2XM3VL

pith:2014:OL2XM3VL67E2DRCD7WIMTRD5OH

not attested not anchored not stored refs pending

Linear Codes are Optimal for Index-Coding Instances with Five or Fewer Receivers

Lawrence Ong

arxiv:1401.7369 v1 · 2014-01-28 · 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{OL2XM3VL67E2DRCD7WIMTRD5OH}

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	2026-05-18T02:43:45.341960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72f5766eabf7c9a1c443fd90c9c47d71d507a61f4870f5c8ac5d1e4a49fb95ea

Aliases

arxiv: 1401.7369 · arxiv_version: 1401.7369v1 · doi: 10.48550/arxiv.1401.7369 · pith_short_12: OL2XM3VL67E2 · pith_short_16: OL2XM3VL67E2DRCD · pith_short_8: OL2XM3VL

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/OL2XM3VL67E2DRCD7WIMTRD5OH \
  | 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: 72f5766eabf7c9a1c443fd90c9c47d71d507a61f4870f5c8ac5d1e4a49fb95ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "830ad7787504537837163166e00872cfddc5931f663f92ed29bc13d1d1d55e53",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-28T23:30:56Z",
    "title_canon_sha256": "b70788a5a82ff62a8e4fa816b7da6633fd8f935ea3d654e09a3bef1406820565"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7369",
    "kind": "arxiv",
    "version": 1
  }
}