Pith Number

pith:WQXIXGSO

pith:2017:WQXIXGSO42WYGTKXBXALLSLYC4

not attested not anchored not stored refs pending

On the Chow groups of some hyperk\"ahler fourfolds with a non-symplectic involution

Robert Laterveer

arxiv:1704.01083 v1 · 2017-03-24 · 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{WQXIXGSO42WYGTKXBXALLSLYC4}

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	2026-05-18T00:47:16.269299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42e8b9a4ee6ad834d570dc0b5c978173bb8f9ba65e06325fa9c62fb9d115148

Aliases

arxiv: 1704.01083 · arxiv_version: 1704.01083v1 · doi: 10.48550/arxiv.1704.01083 · pith_short_12: WQXIXGSO42WY · pith_short_16: WQXIXGSO42WYGTKX · pith_short_8: WQXIXGSO

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/WQXIXGSO42WYGTKXBXALLSLYC4 \
  | 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: b42e8b9a4ee6ad834d570dc0b5c978173bb8f9ba65e06325fa9c62fb9d115148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed4792f98fe6c2a783f3cd42db20961a921ead86036aa4117eb9deef08d7a491",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-24T11:41:29Z",
    "title_canon_sha256": "9ba5e98693ce0e67d9907dcba95a7f7cbab9990c7695049b48d1f6271fc0804e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01083",
    "kind": "arxiv",
    "version": 1
  }
}