Pith Number

pith:D5UBMCAP

pith:2013:D5UBMCAPO4A7NLB3J6MQFKPNYH

not attested not anchored not stored refs pending

A generalization of Alternating Sign Matrices

Hwa Kyung Kim, Richard A. Brualdi

arxiv:1309.1040 v1 · 2013-09-04 · 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{D5UBMCAPO4A7NLB3J6MQFKPNYH}

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	2026-05-18T03:14:09.246457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f6816080f7701f6ac3b4f9902a9edc1c3007c648f89b0dda1f1dc49d67b1899

Aliases

arxiv: 1309.1040 · arxiv_version: 1309.1040v1 · doi: 10.48550/arxiv.1309.1040 · pith_short_12: D5UBMCAPO4A7 · pith_short_16: D5UBMCAPO4A7NLB3 · pith_short_8: D5UBMCAP

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/D5UBMCAPO4A7NLB3J6MQFKPNYH \
  | 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: 1f6816080f7701f6ac3b4f9902a9edc1c3007c648f89b0dda1f1dc49d67b1899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3950204ea0418a34378ac3f1e6e462e8ec362d426e1c737c507bb86703c06c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-09-04T14:27:55Z",
    "title_canon_sha256": "754b01a6ea3b4e9180159e53c2e3ea7fc2a8923dd078b020d3c1119d3ffc064a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1040",
    "kind": "arxiv",
    "version": 1
  }
}