Pith Number

pith:SYPIR5WV

pith:2024:SYPIR5WVFJO6S3MG5BSYDTNUZL

not attested not anchored not stored refs pending

Computer classification of linear codes based on lattice point enumeration and integer linear programming

Sascha Kurz

arxiv:2403.17509 v1 · 2024-03-26 · cs.IT · math.CO · 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{SYPIR5WVFJO6S3MG5BSYDTNUZL}

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	2026-07-05T10:15:43.403364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

961e88f6d52a5de96d86e86581cdb4cacb77c8add8f3205043e35cbb8ee21425

Aliases

arxiv: 2403.17509 · arxiv_version: 2403.17509v1 · doi: 10.48550/arxiv.2403.17509 · pith_short_12: SYPIR5WVFJO6 · pith_short_16: SYPIR5WVFJO6S3MG · pith_short_8: SYPIR5WV

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/SYPIR5WVFJO6S3MG5BSYDTNUZL \
  | 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: 961e88f6d52a5de96d86e86581cdb4cacb77c8add8f3205043e35cbb8ee21425

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b47d4d8c2505a0a340cc49e57a676bdcd1aa9a8ce05545adf3e742a711723fa",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-03-26T09:11:27Z",
    "title_canon_sha256": "d66e98af1cc55b4e82b9541f9039df392be06ca1a90231c53a3b6ed3197e6cf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.17509",
    "kind": "arxiv",
    "version": 1
  }
}