Pith Number

pith:A447YITL

pith:2016:A447YITL4DJ4YBO7VSGZQZIJN5

not attested not anchored not stored refs pending

Topological equivalence of holomorphic foliation germs of rank $1$ with isolated singularity in the Poincar\'e domain

Michael L\"onne, Thomas Eckl

arxiv:1601.00090 v3 · 2016-01-01 · 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{A447YITL4DJ4YBO7VSGZQZIJN5}

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	2026-05-18T00:39:58.577311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0739fc226be0d3cc05dfac8d9865096f7b86ee350bfa972ce0a35840b2757c9c

Aliases

arxiv: 1601.00090 · arxiv_version: 1601.00090v3 · doi: 10.48550/arxiv.1601.00090 · pith_short_12: A447YITL4DJ4 · pith_short_16: A447YITL4DJ4YBO7 · pith_short_8: A447YITL

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/A447YITL4DJ4YBO7VSGZQZIJN5 \
  | 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: 0739fc226be0d3cc05dfac8d9865096f7b86ee350bfa972ce0a35840b2757c9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a733526cc59148fa1f22f7b882bb105b14d0621733ac01b642f811ee0b0950fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-01-01T16:00:19Z",
    "title_canon_sha256": "d622ac6840303528e33738ab7e522db69e9891800e2ac0de3e3330fb09152c6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00090",
    "kind": "arxiv",
    "version": 3
  }
}