Pith Number

pith:FITJXKKH

pith:2025:FITJXKKHVBHJR2M5KKF2GVOIFG

not attested not anchored not stored refs pending

On some boundary divisors in the moduli spaces of stable Horikawa surfaces with $K^2=2p_g-3$

Ciro Ciliberto, Rita Pardini

arxiv:2502.16322 v1 · 2025-02-22 · math.AG

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\usepackage{pith}
\pithnumber{FITJXKKHVBHJR2M5KKF2GVOIFG}

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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.

Cited by

1 paper in Pith

Normal stable degenerations of Noether-Horikawa surfaces

Receipt and verification

First computed	2026-07-05T10:18:24.805666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a269ba947a84e98e99d528ba355c82995af31ce70b0fe8c52ef09bd67b90001

Aliases

arxiv: 2502.16322 · arxiv_version: 2502.16322v1 · doi: 10.48550/arxiv.2502.16322 · pith_short_12: FITJXKKHVBHJ · pith_short_16: FITJXKKHVBHJR2M5 · pith_short_8: FITJXKKH

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/FITJXKKHVBHJR2M5KKF2GVOIFG \
  | 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: 2a269ba947a84e98e99d528ba355c82995af31ce70b0fe8c52ef09bd67b90001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d254d6dce6e014225558522a106b33839046c4b86ec0a94585b3c5b2550b496",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-02-22T18:50:44Z",
    "title_canon_sha256": "3747d75e55d3d5b252528c694f653069b85bfc9e3618127ab371978200a80872"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16322",
    "kind": "arxiv",
    "version": 1
  }
}