Pith Number

pith:MU4J3FPL

pith:2017:MU4J3FPLU7HDNVEJL4DWPZFRDR

not attested not anchored not stored refs pending

Alternating Sign Matrices and Hypermatrices, and a Generalization of Latin Square

Geir Dahl, Richard A. Brualdi

arxiv:1704.07752 v1 · 2017-04-25 · 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{MU4J3FPLU7HDNVEJL4DWPZFRDR}

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	2026-05-18T00:45:37.046212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65389d95eba7ce36d4895f0767e4b11c7f6af33fbe4ccbcbb96ae18b9ed8d10d

Aliases

arxiv: 1704.07752 · arxiv_version: 1704.07752v1 · doi: 10.48550/arxiv.1704.07752 · pith_short_12: MU4J3FPLU7HD · pith_short_16: MU4J3FPLU7HDNVEJ · pith_short_8: MU4J3FPL

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/MU4J3FPLU7HDNVEJL4DWPZFRDR \
  | 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: 65389d95eba7ce36d4895f0767e4b11c7f6af33fbe4ccbcbb96ae18b9ed8d10d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9283a95bdf6d3b819b706b1bec0bc9c0b13bb89bc50bc889ed57cc34a537711",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-25T15:53:52Z",
    "title_canon_sha256": "b627bb715c6e4bb44b50de54273d3831248371985ce25be8e10a9b0f40dbb2cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07752",
    "kind": "arxiv",
    "version": 1
  }
}