Pith Number

pith:LRJTDWNS

pith:2011:LRJTDWNSMDMY2PFDLM7DYJR2PG

not attested not anchored not stored refs pending

Quasiconformal extension of strongly spirallike functions

Toshiyuki Sugawa

arxiv:1101.3831 v1 · 2011-01-20 · 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{LRJTDWNSMDMY2PFDLM7DYJR2PG}

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	2026-05-18T04:31:21.280449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5331d9b260d98d3ca35b3e3c263a79b260471e5a173a7a414d28925dbdf625

Aliases

arxiv: 1101.3831 · arxiv_version: 1101.3831v1 · doi: 10.48550/arxiv.1101.3831 · pith_short_12: LRJTDWNSMDMY · pith_short_16: LRJTDWNSMDMY2PFD · pith_short_8: LRJTDWNS

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/LRJTDWNSMDMY2PFDLM7DYJR2PG \
  | 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: 5c5331d9b260d98d3ca35b3e3c263a79b260471e5a173a7a414d28925dbdf625

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ee7b25c29be4864042558c52c47bed81881b3374fcffcb450c0600acfe66114",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-01-20T07:11:16Z",
    "title_canon_sha256": "1c3d2de7a7e7854026b35331ffa68a8c2cfff881c4a1a16a04ee83dba2db5f1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3831",
    "kind": "arxiv",
    "version": 1
  }
}