Pith Number

pith:J5TXYE2Z

pith:2012:J5TXYE2Z6YNKBEA5S2LUPFN2SR

not attested not anchored not stored refs pending

Geodesic Warps by Conformal Mappings

Klas Modin, Matthew Perlmutter, Robert McLachlan, Stephen Marsland

arxiv:1203.3982 v2 · 2012-03-18 · math.DS · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5TXYE2Z6YNKBEA5S2LUPFN2SR}

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	2026-05-18T03:19:01.815240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f677c1359f61aa0901d96974795ba94799af6d955b307f1d5795dd813785e20

Aliases

arxiv: 1203.3982 · arxiv_version: 1203.3982v2 · doi: 10.48550/arxiv.1203.3982 · pith_short_12: J5TXYE2Z6YNK · pith_short_16: J5TXYE2Z6YNKBEA5 · pith_short_8: J5TXYE2Z

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/J5TXYE2Z6YNKBEA5S2LUPFN2SR \
  | 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: 4f677c1359f61aa0901d96974795ba94799af6d955b307f1d5795dd813785e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7734199e3b7b995b48c43df1b6eed56fbaa2e50914ef7ec31c83d5553459805",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-03-18T17:55:29Z",
    "title_canon_sha256": "0f5368d8f4edea7f178a080602e58f01438d6ced304082891bd28534f313859b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3982",
    "kind": "arxiv",
    "version": 2
  }
}