Pith Number

pith:XUKQ2ANB

pith:2016:XUKQ2ANBC5CKGQRN6NFJVWESDJ

not attested not anchored not stored refs pending

The degree of the Gauss map of the theta divisor

Edoardo Sernesi, Giulio Codogni, Samuel Grushevsky

arxiv:1608.02686 v2 · 2016-08-09 · 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{XUKQ2ANBC5CKGQRN6NFJVWESDJ}

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	2026-05-18T00:41:01.770346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd150d01a11744a3422df34a9ad8921a773c07e5922501a68e6e496bd4a7f31f

Aliases

arxiv: 1608.02686 · arxiv_version: 1608.02686v2 · doi: 10.48550/arxiv.1608.02686 · pith_short_12: XUKQ2ANBC5CK · pith_short_16: XUKQ2ANBC5CKGQRN · pith_short_8: XUKQ2ANB

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/XUKQ2ANBC5CKGQRN6NFJVWESDJ \
  | 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: bd150d01a11744a3422df34a9ad8921a773c07e5922501a68e6e496bd4a7f31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d09e47ebdb84f89af6fa30d5350c595bfc4e3cfbf4dddc5e2e16da834fc1098",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-08-09T03:56:28Z",
    "title_canon_sha256": "fde074449c98072c33d42c74d79680b2fd70cf7a1c2324177649646e50227f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02686",
    "kind": "arxiv",
    "version": 2
  }
}