Pith Number

pith:NQFN6N6L

pith:2008:NQFN6N6LWOGHBAOJVCGM647NKT

not attested not anchored not stored refs pending

Tschirnhaus-Weierstrass curves

David Sevilla, Josef Schicho

arxiv:0808.3038 v2 · 2008-08-22 · math.AG · 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{NQFN6N6LWOGHBAOJVCGM647NKT}

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	2026-05-18T04:20:22.479460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c0adf37cbb38c7081c9a88ccf73ed54d6f55a135bea9e3907a47111339b8ff4

Aliases

arxiv: 0808.3038 · arxiv_version: 0808.3038v2 · doi: 10.48550/arxiv.0808.3038 · pith_short_12: NQFN6N6LWOGH · pith_short_16: NQFN6N6LWOGHBAOJ · pith_short_8: NQFN6N6L

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/NQFN6N6LWOGHBAOJVCGM647NKT \
  | 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: 6c0adf37cbb38c7081c9a88ccf73ed54d6f55a135bea9e3907a47111339b8ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7799c1066f6c47dacaf159d408cc66da0812b2c6d7a96e5d55d69a4ec9794544",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-08-22T08:00:36Z",
    "title_canon_sha256": "40a9b70dc6727e153d6944e659c11e90e801143401c20331ca889f0a0431d9a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3038",
    "kind": "arxiv",
    "version": 2
  }
}