Pith Number

pith:ISFHRRMO

pith:2017:ISFHRRMOUPS3DLOSUAPBNELSNS

not attested not anchored not stored refs pending

The Wahl map of one-nodal curves on K3 surfaces

Edoardo Sernesi

arxiv:1701.04801 v2 · 2017-01-17 · 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{ISFHRRMOUPS3DLOSUAPBNELSNS}

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	2026-05-18T00:26:51.844721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448a78c58ea3e5b1add2a01e1691726cb579924460be000abe2270b5bdf2220b

Aliases

arxiv: 1701.04801 · arxiv_version: 1701.04801v2 · doi: 10.48550/arxiv.1701.04801 · pith_short_12: ISFHRRMOUPS3 · pith_short_16: ISFHRRMOUPS3DLOS · pith_short_8: ISFHRRMO

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/ISFHRRMOUPS3DLOSUAPBNELSNS \
  | 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: 448a78c58ea3e5b1add2a01e1691726cb579924460be000abe2270b5bdf2220b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97dad68e6812db8b38d811466d317a458dad2f54588f8fd949661ffabf02ac03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-01-17T18:28:12Z",
    "title_canon_sha256": "58db94284ec3091b3a0663d720a3e530e4de348a0e3fd37008da6c46c75784d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04801",
    "kind": "arxiv",
    "version": 2
  }
}