Pith Number

pith:A63ICSBY

pith:2010:A63ICSBY4DBCP2FULFB2RX5RPF

not attested not anchored not stored refs pending

Polynomials non-negative on strips and half-strips

Ha Nguyen, Victoria Powers

arxiv:1009.3588 v1 · 2010-09-18 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A63ICSBY4DBCP2FULFB2RX5RPF}

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	2026-05-18T04:40:44.512417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b6814838e0c227e8b45943a8dfb179718374488d605486007b10ce08c359c4

Aliases

arxiv: 1009.3588 · arxiv_version: 1009.3588v1 · doi: 10.48550/arxiv.1009.3588 · pith_short_12: A63ICSBY4DBC · pith_short_16: A63ICSBY4DBCP2FU · pith_short_8: A63ICSBY

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/A63ICSBY4DBCP2FULFB2RX5RPF \
  | 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: 07b6814838e0c227e8b45943a8dfb179718374488d605486007b10ce08c359c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fdcf8afde8b4fd4b1566177e20d383d4992822031413c13c10e514f03a3f2d3",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-09-18T22:07:34Z",
    "title_canon_sha256": "7271a47daff678b9fd02211218b19eba282314a646441c3258eb76e3c0f3c0e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3588",
    "kind": "arxiv",
    "version": 1
  }
}