Pith Number

pith:ZW5VIBEE

pith:2016:ZW5VIBEECE3HHFDEDBV25ODSGN

not attested not anchored not stored refs pending

GIT versus Baily-Borel compactification for quartic K3 surfaces

Kieran O'Grady, Radu Laza

arxiv:1612.07432 v2 · 2016-12-22 · 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{ZW5VIBEECE3HHFDEDBV25ODSGN}

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	2026-05-18T00:31:03.060547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdbb5404841136739464186baeb872334fdba4d5f25c4d9c2c65857f44ef3b4e

Aliases

arxiv: 1612.07432 · arxiv_version: 1612.07432v2 · doi: 10.48550/arxiv.1612.07432 · pith_short_12: ZW5VIBEECE3H · pith_short_16: ZW5VIBEECE3HHFDE · pith_short_8: ZW5VIBEE

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/ZW5VIBEECE3HHFDEDBV25ODSGN \
  | 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: cdbb5404841136739464186baeb872334fdba4d5f25c4d9c2c65857f44ef3b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dc22050ceccde2cda89ebd9c0ada5401a0625cb127a128d3b6c09888327daab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-12-22T03:37:33Z",
    "title_canon_sha256": "4242a6d171c14b7fefd0053accbf9d80801e79613ce2b3c0294e9b7f8e3cbc1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07432",
    "kind": "arxiv",
    "version": 2
  }
}