Pith Number

pith:CS2GRHBI

pith:2008:CS2GRHBIDX4ZFV4NL5A36GFLLE

not attested not anchored not stored refs pending

On the $S_n$-equivariant Euler characteristic of moduli spaces of hyperelliptic curves

E. Gorsky

arxiv:0804.2948 v1 · 2008-04-18 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CS2GRHBIDX4ZFV4NL5A36GFLLE}

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	2026-05-18T03:48:24.545651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14b4689c281df992d78d5f41bf18ab591a99e52a175e04e584706ec882633b25

Aliases

arxiv: 0804.2948 · arxiv_version: 0804.2948v1 · doi: 10.48550/arxiv.0804.2948 · pith_short_12: CS2GRHBIDX4Z · pith_short_16: CS2GRHBIDX4ZFV4N · pith_short_8: CS2GRHBI

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/CS2GRHBIDX4ZFV4NL5A36GFLLE \
  | 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: 14b4689c281df992d78d5f41bf18ab591a99e52a175e04e584706ec882633b25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6885390bb206118630fe1981f9cfc95a07f3e5608ebc01bc489f92aee5c61e20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-04-18T07:02:51Z",
    "title_canon_sha256": "ab497e7fe75902e94bc71270a5075b6386d1ca337ac2bd3f6208e2e175e3d85b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2948",
    "kind": "arxiv",
    "version": 1
  }
}