Pith Number

pith:5PZWW5HM

pith:2017:5PZWW5HMJPY5KH2VXF46LXWA7P

not attested not anchored not stored refs pending

Radial length, radial John disks and $K$-quasiconformal harmonic mappings

Saminathan Ponnusamy, Shaolin Chen

arxiv:1701.07537 v1 · 2017-01-26 · 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{5PZWW5HMJPY5KH2VXF46LXWA7P}

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	2026-05-18T00:52:03.218126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebf36b74ec4bf1d51f55b979e5dec0fbd6496abe4298dc6f5089d495b8905181

Aliases

arxiv: 1701.07537 · arxiv_version: 1701.07537v1 · doi: 10.48550/arxiv.1701.07537 · pith_short_12: 5PZWW5HMJPY5 · pith_short_16: 5PZWW5HMJPY5KH2V · pith_short_8: 5PZWW5HM

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/5PZWW5HMJPY5KH2VXF46LXWA7P \
  | 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: ebf36b74ec4bf1d51f55b979e5dec0fbd6496abe4298dc6f5089d495b8905181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "550a58ce6e6c8c6f08d735bbd9e18964f4d3d642e5e4126763dfd45f1aa47f4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-01-26T01:30:50Z",
    "title_canon_sha256": "c8e6d8f83bf552cce0e97ce39f4d5a6fec012592023b981bf3b412278e2f6e72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07537",
    "kind": "arxiv",
    "version": 1
  }
}