Pith Number

pith:ML4UBTFC

pith:2010:ML4UBTFCWR4AIKOAQBY6GGH4FN

not attested not anchored not stored refs pending

Generalized Hamming schemes

Chris Godsil

arxiv:1011.1044 v1 · 2010-11-04 · 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{ML4UBTFCWR4AIKOAQBY6GGH4FN}

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.

Cited by

1 paper in Pith

Imprimitive association schemes and elimination theory

Receipt and verification

First computed	2026-05-18T04:37:09.732047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f940cca2b4780429c08071e318fc2b66998cd9967c22e6c8cfda7c734d3f40

Aliases

arxiv: 1011.1044 · arxiv_version: 1011.1044v1 · doi: 10.48550/arxiv.1011.1044 · pith_short_12: ML4UBTFCWR4A · pith_short_16: ML4UBTFCWR4AIKOA · pith_short_8: ML4UBTFC

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/ML4UBTFCWR4AIKOAQBY6GGH4FN \
  | 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: 62f940cca2b4780429c08071e318fc2b66998cd9967c22e6c8cfda7c734d3f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b9c6cac62093305f26b3b0c559170bfbe8a081dae8cc5c264d4131675dc0c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-11-04T01:24:15Z",
    "title_canon_sha256": "76989638e2ae25ae0197d0585f41239357f9905211e1910993f36f00a8ba480d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1044",
    "kind": "arxiv",
    "version": 1
  }
}