Pith Number

pith:7LWUORMS

pith:2019:7LWUORMSYIJFCR3WZ5Y4SNX56B

not attested not anchored not stored refs pending

Binary optimal linear codes from posets of the disjoint union of two chains

Jong Yoon Hyun, Qin Yue, Yansheng Wu

arxiv:1906.12017 v1 · 2019-06-28 · 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{7LWUORMSYIJFCR3WZ5Y4SNX56B}

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	2026-05-17T23:41:59.522355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faed474592c212514776cf71c936fdf07f205258ceca77b9cecf674c5ca82ff1

Aliases

arxiv: 1906.12017 · arxiv_version: 1906.12017v1 · doi: 10.48550/arxiv.1906.12017 · pith_short_12: 7LWUORMSYIJF · pith_short_16: 7LWUORMSYIJFCR3W · pith_short_8: 7LWUORMS

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/7LWUORMSYIJFCR3WZ5Y4SNX56B \
  | 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: faed474592c212514776cf71c936fdf07f205258ceca77b9cecf674c5ca82ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a6c1cf156d9132dda0de0239563003a8cb0fbae9ad1c66fba4517d00c8a4f26",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-28T02:13:26Z",
    "title_canon_sha256": "ed0c07285fdfdafe90bf9c28fd4ec319555067ad8e2c23bf1a8524b78d5011f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12017",
    "kind": "arxiv",
    "version": 1
  }
}