Pith Number

pith:KAZFJVRK

pith:2014:KAZFJVRK7PI7755LLYQZD7ZCIW

not attested not anchored not stored refs pending

The First and Second Most Symmetric Nonsingular Cubic Surfaces

Fernanda Pambianco, Hitoshi Kaneta, Stefano Marcugini

arxiv:1406.3503 v1 · 2014-06-13 · 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{KAZFJVRK7PI7755LLYQZD7ZCIW}

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	2026-05-18T02:49:46.558441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503254d62afbd1fff7ab5e2191ff22458cd9b376a46935ad869f55c43972df09

Aliases

arxiv: 1406.3503 · arxiv_version: 1406.3503v1 · doi: 10.48550/arxiv.1406.3503 · pith_short_12: KAZFJVRK7PI7 · pith_short_16: KAZFJVRK7PI7755L · pith_short_8: KAZFJVRK

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/KAZFJVRK7PI7755LLYQZD7ZCIW \
  | 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: 503254d62afbd1fff7ab5e2191ff22458cd9b376a46935ad869f55c43972df09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "537b890f08b92c8922d097a7ef894bfc5410fe53a8a8379000dae745b6930c6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-06-13T11:15:39Z",
    "title_canon_sha256": "554e958362096f0c4c57813fc216b641a55e71da2c7583026a1f9670f833c8d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3503",
    "kind": "arxiv",
    "version": 1
  }
}