pith. sign in
Pith Number

pith:UZNSRNLS

pith:2019:UZNSRNLSUTHROEP73PFVQEF7FE
not attested not anchored not stored refs pending

Total nonnegativity of GCD matrices and kernels

Dominique Guillot, Jiaru Wu

arxiv:1901.01947 v1 · 2019-01-07 · math.CA · math.NT · math.RA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UZNSRNLSUTHROEP73PFVQEF7FE}

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 2026-05-17T23:56:48.998220Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a65b28b572a4cf1711ffdbcb5810bf293ef199a2e2fbc3fe086e5c4dd5d797b3

Aliases

arxiv: 1901.01947 · arxiv_version: 1901.01947v1 · doi: 10.48550/arxiv.1901.01947 · pith_short_12: UZNSRNLSUTHR · pith_short_16: UZNSRNLSUTHROEP7 · pith_short_8: UZNSRNLS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UZNSRNLSUTHROEP73PFVQEF7FE \
  | 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: a65b28b572a4cf1711ffdbcb5810bf293ef199a2e2fbc3fe086e5c4dd5d797b3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f5bbf16fb0207d829f7405414e8a35ccba7722b7d784c04e3dfff13338c7cef3",
    "cross_cats_sorted": [
      "math.NT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-01-07T17:58:11Z",
    "title_canon_sha256": "815b45065b0e7a311ef23eca480882fc982362e0bcb858abb8a5c4eaa209be5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01947",
    "kind": "arxiv",
    "version": 1
  }
}