Pith Number

pith:PFNQDR62

pith:2016:PFNQDR626AOXASRX3FBAUSAR4Z

not attested not anchored not stored refs pending

Biholomorphic equivalence to totally nondegenerate model CR manifolds and Beloshapka's maximum conjecture

Masoud Sabzevari

arxiv:1601.01164 v2 · 2016-01-06 · math.DG · 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{PFNQDR626AOXASRX3FBAUSAR4Z}

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	2026-05-18T00:43:21.212870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

795b01c7daf01d704a37d9420a4811e659fa6ec6d9567cfbb31279b59abf3268

Aliases

arxiv: 1601.01164 · arxiv_version: 1601.01164v2 · doi: 10.48550/arxiv.1601.01164 · pith_short_12: PFNQDR626AOX · pith_short_16: PFNQDR626AOXASRX · pith_short_8: PFNQDR62

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/PFNQDR626AOXASRX3FBAUSAR4Z \
  | 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: 795b01c7daf01d704a37d9420a4811e659fa6ec6d9567cfbb31279b59abf3268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d149f1b51976d320c09ed5bca54854aced954965b55b372612888544d3b2ffb",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-06T12:57:31Z",
    "title_canon_sha256": "b54a90470b8630cf95969458f4e892741922f02e313ecab65803489b0ae8a582"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01164",
    "kind": "arxiv",
    "version": 2
  }
}