Pith Number

pith:ICJ4L2TZ

pith:2017:ICJ4L2TZBZ4RPTEMXFWXWQ3BUT

not attested not anchored not stored refs pending

Some Calabi-Yau fourfolds verifying Voisin's conjecture

Robert Laterveer

arxiv:1708.06094 v1 · 2017-08-21 · 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{ICJ4L2TZBZ4RPTEMXFWXWQ3BUT}

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	2026-05-18T00:37:43.258876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4093c5ea790e7917cc8cb96d7b4361a4c491e43d21fd00133903852edd02a622

Aliases

arxiv: 1708.06094 · arxiv_version: 1708.06094v1 · doi: 10.48550/arxiv.1708.06094 · pith_short_12: ICJ4L2TZBZ4R · pith_short_16: ICJ4L2TZBZ4RPTEM · pith_short_8: ICJ4L2TZ

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/ICJ4L2TZBZ4RPTEMXFWXWQ3BUT \
  | 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: 4093c5ea790e7917cc8cb96d7b4361a4c491e43d21fd00133903852edd02a622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3766bf73a87184805dba33ffc29054277f4c32da0e2ff35753b33bd001e82c71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-21T06:51:00Z",
    "title_canon_sha256": "b082fd7aee1380f06d7e26d094240c5ee38ab51b376cf22a22e16feafc02dc65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06094",
    "kind": "arxiv",
    "version": 1
  }
}