Pith Number

pith:E5OZBFV6

pith:2019:E5OZBFV6J3MYV73JAML5YIFMBM

not attested not anchored not stored refs pending

Certain real surfaces in $\mathbb{C}^2$ with isolated singularities

Sushil Gorai

arxiv:1909.04085 v3 · 2019-09-09 · 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{E5OZBFV6J3MYV73JAML5YIFMBM}

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.

Cited by

1 paper in Pith

Carleman Approximation for certain sets with an isolated singularity

Receipt and verification

First computed	2026-07-05T10:06:35.498010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

275d9096be4ed98aff690317dc20ac0b36d577a3765b3eab387f71e73606bdd3

Aliases

arxiv: 1909.04085 · arxiv_version: 1909.04085v3 · doi: 10.48550/arxiv.1909.04085 · pith_short_12: E5OZBFV6J3MY · pith_short_16: E5OZBFV6J3MYV73J · pith_short_8: E5OZBFV6

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/E5OZBFV6J3MYV73JAML5YIFMBM \
  | 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: 275d9096be4ed98aff690317dc20ac0b36d577a3765b3eab387f71e73606bdd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6b6d523195f1a4a3410e2ad411d4eade39d16ec2a80f17ce3a0b4032e74c055",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-09-09T18:16:12Z",
    "title_canon_sha256": "fb1d9527bff1c10d218ef6985efa2a3254c72ce51336e6345a7af37c3326b9e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04085",
    "kind": "arxiv",
    "version": 3
  }
}