Pith Number

pith:SMNOVYRU

pith:2007:SMNOVYRUYVE4EWL62AORMYIZ2K

not attested not anchored not stored refs pending

Exceptional points in the elliptic-hyperelliptic locus

Anthony Weaver, Ewa Tyszkowska

arxiv:math/0703473 v2 · 2007-03-15 · math.AG · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SMNOVYRUYVE4EWL62AORMYIZ2K}

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	2026-05-18T04:02:25.560794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

931aeae234c549c2597ed01d166119d29ea462c4ea41aab4ff7039fa52c464ee

Aliases

arxiv: math/0703473 · arxiv_version: math/0703473v2 · doi: 10.48550/arxiv.math/0703473 · pith_short_12: SMNOVYRUYVE4 · pith_short_16: SMNOVYRUYVE4EWL6 · pith_short_8: SMNOVYRU

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/SMNOVYRUYVE4EWL62AORMYIZ2K \
  | 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: 931aeae234c549c2597ed01d166119d29ea462c4ea41aab4ff7039fa52c464ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4161708a5d377ae528cbe44c468efba65d895d1b9aa6c0445985967d09b5742b",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2007-03-15T21:50:18Z",
    "title_canon_sha256": "3ebce651b56d3f9a49643c68d89222c70008660d4505800f0a6b6a77f58a4c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0703473",
    "kind": "arxiv",
    "version": 2
  }
}