Pith Number

pith:3FZN2NE7

pith:2013:3FZN2NE75PNYB52MFAQKF6XKZA

not attested not anchored not stored refs pending

Deciding Nonnegativity of Polynomials by MAPLE

Bican Xia, Lu Yang

arxiv:1306.4059 v1 · 2013-06-18 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FZN2NE75PNYB52MFAQKF6XKZA}

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	2026-05-18T03:20:44.535410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d972dd349febdb80f74c2820a2faeac8100f473024665d35b9e8d7ceb30cd0ac

Aliases

arxiv: 1306.4059 · arxiv_version: 1306.4059v1 · doi: 10.48550/arxiv.1306.4059 · pith_short_12: 3FZN2NE75PNY · pith_short_16: 3FZN2NE75PNYB52M · pith_short_8: 3FZN2NE7

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/3FZN2NE75PNYB52MFAQKF6XKZA \
  | 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: d972dd349febdb80f74c2820a2faeac8100f473024665d35b9e8d7ceb30cd0ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f19f05c1c28a2ce905f4632b2436bca23b31636250aa1cb997d1f0361dec9adf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2013-06-18T02:23:15Z",
    "title_canon_sha256": "34573e0821abac42890a92f3028ba1d1edea7b5cf92c1a3a35fa65f8e7942b44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4059",
    "kind": "arxiv",
    "version": 1
  }
}