Pith Number

pith:Y35MJGZW

pith:2015:Y35MJGZW6JVYKET3APFMXAWQSW

not attested not anchored not stored refs pending

Moduli of nodal curves on K3 surfaces

Andreas Leopold Knutsen, Ciro Ciliberto, Concettina Galati, Flaminio Flamini

arxiv:1502.07378 v3 · 2015-02-25 · 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{Y35MJGZW6JVYKET3APFMXAWQSW}

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	2026-05-18T00:52:04.353467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6fac49b36f26b85127b03cacb82d095a69fb90ed10842d41af95e156c15ffdf

Aliases

arxiv: 1502.07378 · arxiv_version: 1502.07378v3 · doi: 10.48550/arxiv.1502.07378 · pith_short_12: Y35MJGZW6JVY · pith_short_16: Y35MJGZW6JVYKET3 · pith_short_8: Y35MJGZW

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/Y35MJGZW6JVYKET3APFMXAWQSW \
  | 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: c6fac49b36f26b85127b03cacb82d095a69fb90ed10842d41af95e156c15ffdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664b941687551314631a610fb13df895da7a01006878f9aeecdaada8eadaff50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-25T21:47:32Z",
    "title_canon_sha256": "e1a85558502b0cba1f92896143fff1ec2920f83601af3ea786613820465c5288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07378",
    "kind": "arxiv",
    "version": 3
  }
}