Pith Number

pith:FEYZHS7Y

pith:2017:FEYZHS7YYO7NHKTOCY6N7BJ3FK

not attested not anchored not stored refs pending

Examples of lattice-polarized K3 surfaces with automorphic discriminant, and Lorentzian Kac--Moody algebras

Valery Gritsenko, Viacheslav V. Nikulin

arxiv:1702.07551 v1 · 2017-02-24 · 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{FEYZHS7YYO7NHKTOCY6N7BJ3FK}

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	2026-05-17T23:57:33.018860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293193cbf8c3bed3aa6e163cdf853b2a8dc37187024a6b5bd1f41d1cda26d2f6

Aliases

arxiv: 1702.07551 · arxiv_version: 1702.07551v1 · doi: 10.48550/arxiv.1702.07551 · pith_short_12: FEYZHS7YYO7N · pith_short_16: FEYZHS7YYO7NHKTO · pith_short_8: FEYZHS7Y

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/FEYZHS7YYO7NHKTOCY6N7BJ3FK \
  | 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: 293193cbf8c3bed3aa6e163cdf853b2a8dc37187024a6b5bd1f41d1cda26d2f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910a574dce9997d8346a18acb149c7bb893965321cbc10e6a107b55219e60d69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-02-24T12:05:17Z",
    "title_canon_sha256": "3eb034f18c352590a3e31aa7d44591bb705c4c4fd109da0776cc0f0af7d810c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07551",
    "kind": "arxiv",
    "version": 1
  }
}