Pith Number

pith:SCPRAUWO

pith:2009:SCPRAUWO7SR4XTZALMFWHQC3Q4

not attested not anchored not stored refs pending

Polynomials defining distinguished varieties

Greg Knese

arxiv:0909.1818 v1 · 2009-09-09 · math.CV · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCPRAUWO7SR4XTZALMFWHQC3Q4}

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	2026-05-18T03:34:36.099428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909f1052cefca3cbcf205b0b63c05b872769ae5ce5d087da49357d8db4d6918c

Aliases

arxiv: 0909.1818 · arxiv_version: 0909.1818v1 · doi: 10.48550/arxiv.0909.1818 · pith_short_12: SCPRAUWO7SR4 · pith_short_16: SCPRAUWO7SR4XTZA · pith_short_8: SCPRAUWO

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/SCPRAUWO7SR4XTZALMFWHQC3Q4 \
  | 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: 909f1052cefca3cbcf205b0b63c05b872769ae5ce5d087da49357d8db4d6918c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030dedd8729e10fb5d6301dd1626cd30414d9e178eaf08f86774870769434d8f",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-09-09T20:33:32Z",
    "title_canon_sha256": "9f04d6ba7ed1f14638a6b1555e7f0e0ed6bc2849cc49b5013da78d4caeb69c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1818",
    "kind": "arxiv",
    "version": 1
  }
}