Pith Number

pith:VYDINX5W

pith:2015:VYDINX5WGDSQRGOXYKASGNP5AQ

not attested not anchored not stored refs pending

Icosahedral invariants and a construction of class fields via periods of $K3$ surfaces

Atsuhira Nagano

arxiv:1504.07500 v7 · 2015-04-28 · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYDINX5WGDSQRGOXYKASGNP5AQ}

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	2026-05-18T00:38:46.839980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0686dfb630e50899d7c2812335fd0429b3ee849aa90f737e0a7f3c431ca10f

Aliases

arxiv: 1504.07500 · arxiv_version: 1504.07500v7 · doi: 10.48550/arxiv.1504.07500 · pith_short_12: VYDINX5WGDSQ · pith_short_16: VYDINX5WGDSQRGOX · pith_short_8: VYDINX5W

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/VYDINX5WGDSQRGOXYKASGNP5AQ \
  | 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: ae0686dfb630e50899d7c2812335fd0429b3ee849aa90f737e0a7f3c431ca10f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b914b0f3b60ce1ffeecd0921df7b9e6b3bf4e16cbae4e29281b16f12849f41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-04-28T14:34:15Z",
    "title_canon_sha256": "b6b046bc46a084136035c8701553b961965ab29bd2679e03e83f8c908a9f1851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07500",
    "kind": "arxiv",
    "version": 7
  }
}