Pith Number

pith:CEMKGHGP

pith:2013:CEMKGHGPO3YN4JXCC33RSRWP7O

not attested not anchored not stored refs pending

On the action of symplectic automorphisms on the $CH_0$-groups of some hyper-K\"ahler fourfolds

Lie Fu

arxiv:1302.6531 v2 · 2013-02-26 · 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{CEMKGHGPO3YN4JXCC33RSRWP7O}

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	2026-05-18T02:38:17.317708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1118a31ccf76f0de26e216f71946cffbb716af51a61d10de4b560ba7f54884b5

Aliases

arxiv: 1302.6531 · arxiv_version: 1302.6531v2 · doi: 10.48550/arxiv.1302.6531 · pith_short_12: CEMKGHGPO3YN · pith_short_16: CEMKGHGPO3YN4JXC · pith_short_8: CEMKGHGP

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/CEMKGHGPO3YN4JXCC33RSRWP7O \
  | 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: 1118a31ccf76f0de26e216f71946cffbb716af51a61d10de4b560ba7f54884b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a33ffbe47fe2e8da96c8c58348efe5cb936777fb233dbe310af825f6aca1740d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-26T18:43:20Z",
    "title_canon_sha256": "61c64c360a401e358cdd3641bb0d2f0537e5e0eeff5bd5dcc93d21dd7efaa2af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6531",
    "kind": "arxiv",
    "version": 2
  }
}