Pith Number

pith:YEHB5TJH

pith:2010:YEHB5TJHLX6MAQUJ2UH4B3GNQJ

not attested not anchored not stored refs pending

Symplectic involutions of holomorphic symplectic fourfolds

Chiara Camere

arxiv:1010.2607 v1 · 2010-10-13 · 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{YEHB5TJHLX6MAQUJ2UH4B3GNQJ}

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	2026-05-18T02:58:01.656454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c10e1ecd275dfcc04289d50fc0eccd8274f67185db3c2d24be9b2a504a19b9bb

Aliases

arxiv: 1010.2607 · arxiv_version: 1010.2607v1 · doi: 10.48550/arxiv.1010.2607 · pith_short_12: YEHB5TJHLX6M · pith_short_16: YEHB5TJHLX6MAQUJ · pith_short_8: YEHB5TJH

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/YEHB5TJHLX6MAQUJ2UH4B3GNQJ \
  | 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: c10e1ecd275dfcc04289d50fc0eccd8274f67185db3c2d24be9b2a504a19b9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6955e5ab7a244672e92541fd03b9d208d780995e056c2e849744b93817fc9df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-13T09:24:08Z",
    "title_canon_sha256": "3ae5e1c973ac60dd611330aaaa897b8ae51173c03fde89b3f12a9437a204f614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2607",
    "kind": "arxiv",
    "version": 1
  }
}