Pith Number

pith:DTD7I326

pith:2015:DTD7I326MWS42WVGMV7F3HYLBO

not attested not anchored not stored refs pending

An extremal problem for univalent functions

Li-Mei Wang, Toshiyuki Sugawa

arxiv:1502.05126 v1 · 2015-02-18 · 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{DTD7I326MWS42WVGMV7F3HYLBO}

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	2026-05-18T02:26:52.319957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cc7f46f5e65a5cd5aa6657e5d9f0b0b8e1f50be1cd341b8df81a76b42ba34db

Aliases

arxiv: 1502.05126 · arxiv_version: 1502.05126v1 · doi: 10.48550/arxiv.1502.05126 · pith_short_12: DTD7I326MWS4 · pith_short_16: DTD7I326MWS42WVG · pith_short_8: DTD7I326

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/DTD7I326MWS42WVGMV7F3HYLBO \
  | 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: 1cc7f46f5e65a5cd5aa6657e5d9f0b0b8e1f50be1cd341b8df81a76b42ba34db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d137c1310fc75be618faf6224746c8db51c844a508c4546f51e48ebf5fb83af8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-02-18T05:47:54Z",
    "title_canon_sha256": "b2e7a5dec1d16a9373f68a52e412f37980c3a18af3f4548c786ce03b3180fe7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05126",
    "kind": "arxiv",
    "version": 1
  }
}