Pith Number

pith:U37OU5Z3

pith:2016:U37OU5Z3LP6OCZPPWIIPK7VX3W

not attested not anchored not stored refs pending

A theta expression of the Hilbert modular functions for $\sqrt{5}$ via the periods of $K3$ surfaces

Atsuhira Nagano

arxiv:1604.03149 v2 · 2016-03-26 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U37OU5Z3LP6OCZPPWIIPK7VX3W}

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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	2026-05-18T00:48:09.876714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6feea773b5bfce165efb210f57eb7ddb0bc8fb89e3e3cbc38e15a1af57c70ec

Aliases

arxiv: 1604.03149 · arxiv_version: 1604.03149v2 · doi: 10.48550/arxiv.1604.03149 · pith_short_12: U37OU5Z3LP6O · pith_short_16: U37OU5Z3LP6OCZPP · pith_short_8: U37OU5Z3

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/U37OU5Z3LP6OCZPPWIIPK7VX3W \
  | 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: a6feea773b5bfce165efb210f57eb7ddb0bc8fb89e3e3cbc38e15a1af57c70ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c2a6b336cf6ae12381d5abd2891084d0b819856cd322bfdca22085d5a853ddb",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-03-26T01:40:10Z",
    "title_canon_sha256": "dd9d5d44d6b2da20223e70f5f94872c92941f1379660412fd91a48faf2d56342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03149",
    "kind": "arxiv",
    "version": 2
  }
}