Pith Number

pith:5LO7SXHA

pith:2011:5LO7SXHAPNMY6D67INCVOOPCJD

not attested not anchored not stored refs pending

On a family of K3 surfaces with $\mathcal{S}_4$ symmetry

Dagan Karp, Daniel Moore, Dmitri Skjorshammer, Jacob Lewis, Ursula Whitcher

arxiv:1103.1892 v2 · 2011-03-09 · 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{5LO7SXHAPNMY6D67INCVOOPCJD}

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	2026-05-18T04:20:52.433287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaddf95ce07b598f0fdf43455739e248d16b4f7cbeb6ac4295c65f1d941b83e5

Aliases

arxiv: 1103.1892 · arxiv_version: 1103.1892v2 · doi: 10.48550/arxiv.1103.1892 · pith_short_12: 5LO7SXHAPNMY · pith_short_16: 5LO7SXHAPNMY6D67 · pith_short_8: 5LO7SXHA

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/5LO7SXHAPNMY6D67INCVOOPCJD \
  | 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: eaddf95ce07b598f0fdf43455739e248d16b4f7cbeb6ac4295c65f1d941b83e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2a9ab46fdb6681c55eeae34cc9e75b2f7303712d72d63392cbf0da616655bd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-09T21:24:03Z",
    "title_canon_sha256": "13bf54415dd9e44badb6e1d0b449279b8de12b3fbe74f7b3c222be950e818808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1892",
    "kind": "arxiv",
    "version": 2
  }
}