pith. sign in
Pith Number

pith:BVEYOYWV

pith:2019:BVEYOYWVHOCN6AFDZY4W5SM6JZ
not attested not anchored not stored refs pending

Characterization of polynomials whose large powers have fully positive coefficients

Colin Tan, Wing-Keung To

arxiv:1902.03379 v1 · 2019-02-09 · math.AG · math.CO · math.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BVEYOYWVHOCN6AFDZY4W5SM6JZ}

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 2026-05-17T23:54:21.024965Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0d498762d53b84df00a3ce396ec99e4e54203e866f2167b82b1fa7e65e97c9f7

Aliases

arxiv: 1902.03379 · arxiv_version: 1902.03379v1 · doi: 10.48550/arxiv.1902.03379 · pith_short_12: BVEYOYWVHOCN · pith_short_16: BVEYOYWVHOCN6AFD · pith_short_8: BVEYOYWV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BVEYOYWVHOCN6AFDZY4W5SM6JZ \
  | 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: 0d498762d53b84df00a3ce396ec99e4e54203e866f2167b82b1fa7e65e97c9f7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d60bba0fb81ec0288cb3ca1cf997e5ab268e80923afad0a8aaef03f8b8b448f0",
    "cross_cats_sorted": [
      "math.CO",
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-02-09T06:20:24Z",
    "title_canon_sha256": "69101e64b6f114d558d31e1c0c2eb1de1edce19b62d24b043f3b8882dbda5671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03379",
    "kind": "arxiv",
    "version": 1
  }
}