Pith Number

pith:C2NV6JKV

pith:2010:C2NV6JKV24DRQRFLPEE5INLUNU

not attested not anchored not stored refs pending

Classification of Invariant Star Products up to Equivariant Morita Equivalence on Symplectic Manifolds

Gregor Schaumann, Nikolai Neumaier, Stefan Jansen, Stefan Waldmann

arxiv:1004.0875 v2 · 2010-04-06 · math.QA · math-ph · math.MP · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2NV6JKV24DRQRFLPEE5INLUNU}

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	2026-05-18T02:08:14.098467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

169b5f2555d7071844ab7909d435746d2c4b859c73a87239c5f35c84d1ae7037

Aliases

arxiv: 1004.0875 · arxiv_version: 1004.0875v2 · doi: 10.48550/arxiv.1004.0875 · pith_short_12: C2NV6JKV24DR · pith_short_16: C2NV6JKV24DRQRFL · pith_short_8: C2NV6JKV

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/C2NV6JKV24DRQRFLPEE5INLUNU \
  | 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: 169b5f2555d7071844ab7909d435746d2c4b859c73a87239c5f35c84d1ae7037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17049bf61e93900d212633d5baae6a5d95a65b8f9cb2d4efad3bd7a3623023e4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2010-04-06T15:31:55Z",
    "title_canon_sha256": "e7e46781a0149771a7d2d8319d525121d9af1f58ef953d3d4ff375f7b91c9211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0875",
    "kind": "arxiv",
    "version": 2
  }
}