Pith Number

pith:5GOCDC5M

pith:2018:5GOCDC5MYQY3RENIAAZU2H735M

not attested not anchored not stored refs pending

Hilbert modularity of some double octic Calabi--Yau threefolds

Duco van Straten, Matthias Sch\"utt, Slawomir Cynk

arxiv:1810.04495 v1 · 2018-10-10 · math.AG · 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{5GOCDC5MYQY3RENIAAZU2H735M}

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	2026-05-18T00:03:40.006604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e99c218bacc431b891a800334d1ffbeb2190c5f8e3c8d181d41599c923ffce4a

Aliases

arxiv: 1810.04495 · arxiv_version: 1810.04495v1 · doi: 10.48550/arxiv.1810.04495 · pith_short_12: 5GOCDC5MYQY3 · pith_short_16: 5GOCDC5MYQY3RENI · pith_short_8: 5GOCDC5M

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/5GOCDC5MYQY3RENIAAZU2H735M \
  | 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: e99c218bacc431b891a800334d1ffbeb2190c5f8e3c8d181d41599c923ffce4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0946cc435261df598c4e703027383145af5cdf55767548f38e02ce23ea90c6ea",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-10T13:04:48Z",
    "title_canon_sha256": "bbe2a961cbb2fa994bc1a599f9b5b1d2de39ba4ad5b7bc41aa8b74f4d5f04763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04495",
    "kind": "arxiv",
    "version": 1
  }
}