Pith Number

pith:BBQYTA5F

pith:2013:BBQYTA5FFNAI4ZB74SUKYIQCWR

not attested not anchored not stored refs pending

Generalized even and odd totally positive matrices

O. Y. Kushel, P. Sharma

arxiv:1301.3729 v1 · 2013-01-16 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBQYTA5FFNAI4ZB74SUKYIQCWR}

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	2026-05-18T03:36:16.890880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08618983a52b408e643fe4a8ac2202b47090f813013f876e86dd1c48bcae3c06

Aliases

arxiv: 1301.3729 · arxiv_version: 1301.3729v1 · doi: 10.48550/arxiv.1301.3729 · pith_short_12: BBQYTA5FFNAI · pith_short_16: BBQYTA5FFNAI4ZB7 · pith_short_8: BBQYTA5F

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/BBQYTA5FFNAI4ZB74SUKYIQCWR \
  | 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: 08618983a52b408e643fe4a8ac2202b47090f813013f876e86dd1c48bcae3c06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd0d75b312ef7995243c54a125a2f26e8c984784043ba547992d7bb2f5f1742",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2013-01-16T15:44:50Z",
    "title_canon_sha256": "194547b82f12151ecf56c28018170d5e69c0e4a795d0b99c2278edef162ce338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3729",
    "kind": "arxiv",
    "version": 1
  }
}