Pith Number

pith:2Y5K67W6

pith:2011:2Y5K67W6Z3XKQ5HMLFIKXIOX2O

not attested not anchored not stored refs pending

The Diederich-Fornaess index and the global regularity of the di-bar-Neumann problem

Giuseppe Zampieri, Stefano Pinton

arxiv:1108.3598 v2 · 2011-08-17 · math.CV · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Y5K67W6Z3XKQ5HMLFIKXIOX2O}

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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	2026-05-18T04:13:15.609690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63aaf7edeceeea874ec5950aba1d7d3b92937098ed5ac26d8ec0430497c8b17

Aliases

arxiv: 1108.3598 · arxiv_version: 1108.3598v2 · doi: 10.48550/arxiv.1108.3598 · pith_short_12: 2Y5K67W6Z3XK · pith_short_16: 2Y5K67W6Z3XKQ5HM · pith_short_8: 2Y5K67W6

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/2Y5K67W6Z3XKQ5HMLFIKXIOX2O \
  | 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: d63aaf7edeceeea874ec5950aba1d7d3b92937098ed5ac26d8ec0430497c8b17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cfeabe5930d82b6f2d8639219d9dfa794de65feac4d923627a04a1abbb93f9e",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-08-17T23:16:34Z",
    "title_canon_sha256": "ba1f144d9e75bcbee85312a05bb5178ee38147a93016acd8925a825770963c7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3598",
    "kind": "arxiv",
    "version": 2
  }
}