Pith Number

pith:V524E5PU

pith:2018:V524E5PUZQGZWLGPRCEMEWNTPU

not attested not anchored not stored refs pending

Representation of conformal maps by rational functions

Abinand Gopal, Lloyd N. Trefethen

arxiv:1804.08127 v3 · 2018-04-22 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V524E5PUZQGZWLGPRCEMEWNTPU}

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	2026-05-17T23:58:41.644536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af75c275f4cc0d9b2ccf8888c259b37d0e16db358dbb2a0b64f4eac9913e6125

Aliases

arxiv: 1804.08127 · arxiv_version: 1804.08127v3 · doi: 10.48550/arxiv.1804.08127 · pith_short_12: V524E5PUZQGZ · pith_short_16: V524E5PUZQGZWLGP · pith_short_8: V524E5PU

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/V524E5PUZQGZWLGPRCEMEWNTPU \
  | 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: af75c275f4cc0d9b2ccf8888c259b37d0e16db358dbb2a0b64f4eac9913e6125

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb26b9ed33104fa732b1fd1d4ab0ba50110d1afc9ba9e2756025a939c0fc4f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-22T15:52:32Z",
    "title_canon_sha256": "88f0f74b0eba6ac3d02bde14b965a354297a782b25609516c5ba3cb97dfc31e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08127",
    "kind": "arxiv",
    "version": 3
  }
}