Pith Number

pith:QEFBFYY3

pith:2012:QEFBFYY3DXQMT4ONMQ34ZREBJV

not attested not anchored not stored refs pending

Half-plane capacity and conformal radius

Carto Wong, Steffen Rohde

arxiv:1201.5878 v1 · 2012-01-27 · 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{QEFBFYY3DXQMT4ONMQ34ZREBJV}

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	2026-05-18T04:03:44.306088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810a12e31b1de0c9f1cd6437ccc4814d55dcf2d48525e33a668b03cf6bccdc03

Aliases

arxiv: 1201.5878 · arxiv_version: 1201.5878v1 · doi: 10.48550/arxiv.1201.5878 · pith_short_12: QEFBFYY3DXQM · pith_short_16: QEFBFYY3DXQMT4ON · pith_short_8: QEFBFYY3

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/QEFBFYY3DXQMT4ONMQ34ZREBJV \
  | 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: 810a12e31b1de0c9f1cd6437ccc4814d55dcf2d48525e33a668b03cf6bccdc03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d609e3c7240d7ee3100261eb3ca9e5a316062b886a5b8dbcd01b3d32005efe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-01-27T20:01:58Z",
    "title_canon_sha256": "3bad1e4f0df4fd7b6e98838364fb690fa147b29e7a0ed9ecfbe22782f9fd8160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5878",
    "kind": "arxiv",
    "version": 1
  }
}