Pith Number

pith:CWT6GTU2

pith:2009:CWT6GTU2YGDWBJWAGPHOT6KWY6

not attested not anchored not stored refs pending

Serre problem for unbounded pseudoconvex Reinhardt domains in $\mathbb C^2$

Lukasz Kosinski

arxiv:0904.3877 v2 · 2009-04-24 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWT6GTU2YGDWBJWAGPHOT6KWY6}

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	2026-05-18T03:54:15.462340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15a7e34e9ac18760a6c033cee9f956c7adb811d48810631a5b441a930c31d6e4

Aliases

arxiv: 0904.3877 · arxiv_version: 0904.3877v2 · doi: 10.48550/arxiv.0904.3877 · pith_short_12: CWT6GTU2YGDW · pith_short_16: CWT6GTU2YGDWBJWA · pith_short_8: CWT6GTU2

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/CWT6GTU2YGDWBJWAGPHOT6KWY6 \
  | 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: 15a7e34e9ac18760a6c033cee9f956c7adb811d48810631a5b441a930c31d6e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fff168ee46df102869f021666ada23ec094b2429d74507baf60ceb1d9f71c6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-04-24T14:04:40Z",
    "title_canon_sha256": "a938cea2f4cc1c8135d0bfa489bcc57b5cc147f7e2c4de6e6f393ab8932021a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3877",
    "kind": "arxiv",
    "version": 2
  }
}