Pith Number

pith:XB5R3EE2

pith:2008:XB5R3EE2SDLS2X65HQ2BZPJ27L

not attested not anchored not stored refs pending

Polynomial parametrization of the solutions of Diophantine equations of genus 0

G\"unter Lettl, Sophie Frisch

arxiv:0812.0330 v1 · 2008-12-01 · math.NT · 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{XB5R3EE2SDLS2X65HQ2BZPJ27L}

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	2026-05-18T04:19:13.448832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b87b1d909a90d72d5fdd3c341cbd3afaed87088376830de0634cd9c52dbee151

Aliases

arxiv: 0812.0330 · arxiv_version: 0812.0330v1 · doi: 10.48550/arxiv.0812.0330 · pith_short_12: XB5R3EE2SDLS · pith_short_16: XB5R3EE2SDLS2X65 · pith_short_8: XB5R3EE2

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/XB5R3EE2SDLS2X65HQ2BZPJ27L \
  | 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: b87b1d909a90d72d5fdd3c341cbd3afaed87088376830de0634cd9c52dbee151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6723c30c6c33988953d1ca6335de1a2117e7e0f823a3ac73ba8fec7dd4a217c4",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2008-12-01T17:15:03Z",
    "title_canon_sha256": "6903823ab7f84c9e5b0aa5b98c7ed9c577cfecd21ced89b7114f04e0224fe2a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0330",
    "kind": "arxiv",
    "version": 1
  }
}