Pith Number

pith:MW7RJVGD

pith:2010:MW7RJVGDJEEYHP54E3YSOXWRWN

not attested not anchored not stored refs pending

Pseudohermitian invariants and classification of CR mappings in generalized ellipsoids

Daniele Morbidelli, Roberto Monti

arxiv:1004.1922 v2 · 2010-04-12 · 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{MW7RJVGDJEEYHP54E3YSOXWRWN}

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	2026-05-18T04:27:27.102276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65bf14d4c3490983bfbc26f1275ed1b37c7a174073d8130e7bb5ffe6f83d2c72

Aliases

arxiv: 1004.1922 · arxiv_version: 1004.1922v2 · doi: 10.48550/arxiv.1004.1922 · pith_short_12: MW7RJVGDJEEY · pith_short_16: MW7RJVGDJEEYHP54 · pith_short_8: MW7RJVGD

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/MW7RJVGDJEEYHP54E3YSOXWRWN \
  | 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: 65bf14d4c3490983bfbc26f1275ed1b37c7a174073d8130e7bb5ffe6f83d2c72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1909105efc338800f7e37ba1cd06a73e83d67119af88615ac0489919320496",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2010-04-12T10:48:57Z",
    "title_canon_sha256": "a20e6cbecc15e827a8132dc2960bac41d425e404912e4fe1d5c314d8d8b6d8b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1922",
    "kind": "arxiv",
    "version": 2
  }
}