Pith Number

pith:C2GLMAOM

pith:2009:C2GLMAOMKA3QE24XUR6DSS77MQ

not attested not anchored not stored refs pending

Poisson deformations of affine symplectic varieties II

Yoshinori Namikawa

arxiv:0902.2832 v4 · 2009-02-17 · math.AG · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2GLMAOMKA3QE24XUR6DSS77MQ}

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	2026-05-18T04:09:25.467437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168cb601cc5037026b97a47c394bff640caff5f4f230174106f7f5d9806c902f

Aliases

arxiv: 0902.2832 · arxiv_version: 0902.2832v4 · doi: 10.48550/arxiv.0902.2832 · pith_short_12: C2GLMAOMKA3Q · pith_short_16: C2GLMAOMKA3QE24X · pith_short_8: C2GLMAOM

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/C2GLMAOMKA3QE24XUR6DSS77MQ \
  | 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: 168cb601cc5037026b97a47c394bff640caff5f4f230174106f7f5d9806c902f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6931f5fd8030461fca4c090f301336083a0eff0923dd162a5529a7f691ade121",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-02-17T09:28:50Z",
    "title_canon_sha256": "03581c3e345383ff0c89029c6d62e9b2ae504a84181827d894325b9d215aff15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2832",
    "kind": "arxiv",
    "version": 4
  }
}