Pith Number

pith:IDXQ74ZZ

pith:2011:IDXQ74ZZHGMQR5BF7LIWVULMWP

not attested not anchored not stored refs pending

Moduli of double EPW-sextics

Kieran G. O'Grady

arxiv:1111.1395 v3 · 2011-11-06 · 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{IDXQ74ZZHGMQR5BF7LIWVULMWP}

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	2026-05-18T02:54:47.391028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40ef0ff339399908f425fad16ad16cb3db938a7d031d9d411d6d9d87d3d55629

Aliases

arxiv: 1111.1395 · arxiv_version: 1111.1395v3 · doi: 10.48550/arxiv.1111.1395 · pith_short_12: IDXQ74ZZHGMQ · pith_short_16: IDXQ74ZZHGMQR5BF · pith_short_8: IDXQ74ZZ

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/IDXQ74ZZHGMQR5BF7LIWVULMWP \
  | 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: 40ef0ff339399908f425fad16ad16cb3db938a7d031d9d411d6d9d87d3d55629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0edc8d2bbf4e13ef9117ee8cc77af497fcf9e58604eda69f45979a7b5025d6cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-11-06T10:17:51Z",
    "title_canon_sha256": "f711bad34f31dd7ef545521913738705a66edefcdef00134eeb9c71c0fdca7a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1395",
    "kind": "arxiv",
    "version": 3
  }
}