Pith Number

pith:BP4I5EKT

pith:2016:BP4I5EKTOCLPMALQT6Q6XEVE4P

not attested not anchored not stored refs pending

Levi Problem in Complex Manifolds

Nessim Sibony

arxiv:1610.07768 v3 · 2016-10-25 · 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{BP4I5EKTOCLPMALQT6Q6XEVE4P}

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	2026-05-18T00:32:51.163522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bf88e91537096f601709fa1eb92a4e3c86a0b0ba176c02db7a2b7d421b4cc59

Aliases

arxiv: 1610.07768 · arxiv_version: 1610.07768v3 · doi: 10.48550/arxiv.1610.07768 · pith_short_12: BP4I5EKTOCLP · pith_short_16: BP4I5EKTOCLPMALQ · pith_short_8: BP4I5EKT

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/BP4I5EKTOCLPMALQT6Q6XEVE4P \
  | 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: 0bf88e91537096f601709fa1eb92a4e3c86a0b0ba176c02db7a2b7d421b4cc59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da8c9fc5509e0387ae1d4bf8309722fc09bc891a203f8c69c351c075f4d87f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-10-25T07:49:46Z",
    "title_canon_sha256": "903e7bf0a072529196128b76602e9f64c0fa75269f7849d63adb359d07e5360b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07768",
    "kind": "arxiv",
    "version": 3
  }
}