Pith Number

pith:74DVO3VQ

pith:2017:74DVO3VQBWSUZQJJVLBMIBTRD7

not attested not anchored not stored refs pending

Generalized bilinear forms graphs and MDR codes

Li-Ping Huang

arxiv:1705.07083 v1 · 2017-05-19 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74DVO3VQBWSUZQJJVLBMIBTRD7}

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	2026-05-18T00:44:10.646621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff07576eb00da54cc129aac2c406711ff1a90236a2d36fa1ea69d3da6f825075

Aliases

arxiv: 1705.07083 · arxiv_version: 1705.07083v1 · doi: 10.48550/arxiv.1705.07083 · pith_short_12: 74DVO3VQBWSU · pith_short_16: 74DVO3VQBWSUZQJJ · pith_short_8: 74DVO3VQ

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/74DVO3VQBWSUZQJJVLBMIBTRD7 \
  | 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: ff07576eb00da54cc129aac2c406711ff1a90236a2d36fa1ea69d3da6f825075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad26a8eec1142b0988daa09087f56b02a78e3ce5f53988f9d99cd0439b5fc64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-19T16:42:15Z",
    "title_canon_sha256": "1a63687b31a1c152f7ce423b8ce4fe28f66bee99f175ac0df4b9ae821a13d8af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07083",
    "kind": "arxiv",
    "version": 1
  }
}