Pith Number

pith:CQCSEW24

pith:2019:CQCSEW24XYHZB3YMXWGCRM63WN

not attested not anchored not stored refs pending

Optimal extensions of conformal mappings from the unit disk to cardioid-type domains

Haiqing Xu

arxiv:1905.09351 v1 · 2019-05-22 · 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{CQCSEW24XYHZB3YMXWGCRM63WN}

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	2026-05-17T23:45:19.502957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1405225b5cbe0f90ef0cbd8c28b3dbb35f04ef0d208c03b2a4ebfe2664c94df0

Aliases

arxiv: 1905.09351 · arxiv_version: 1905.09351v1 · doi: 10.48550/arxiv.1905.09351 · pith_short_12: CQCSEW24XYHZ · pith_short_16: CQCSEW24XYHZB3YM · pith_short_8: CQCSEW24

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/CQCSEW24XYHZB3YMXWGCRM63WN \
  | 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: 1405225b5cbe0f90ef0cbd8c28b3dbb35f04ef0d208c03b2a4ebfe2664c94df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "891965f652ffe8e7a6f59fdf8880203835c10c347b6dec0b3a66bb64d8a7c35e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-05-22T20:13:52Z",
    "title_canon_sha256": "7f20c8b4d527604fd51bdbea0ff75c23811db2a27d530c7c224f4807340c4507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09351",
    "kind": "arxiv",
    "version": 1
  }
}