Pith Number

pith:CPQZD2PH

pith:2016:CPQZD2PHI3B3E5R2ZGPFU6P7ZU

not attested not anchored not stored refs pending

Conformal invariants associated with quadratic differentials

Eric Schippers

arxiv:1608.00790 v1 · 2016-08-02 · 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{CPQZD2PHI3B3E5R2ZGPFU6P7ZU}

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.

Cited by

2 papers in Pith

A unified approach to conformal and modular invariants

Receipt and verification

First computed	2026-05-18T01:10:00.982225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e191e9e746c3b2763ac99e5a79ffcd258588284764dffe16b3fc92da7ace7e

Aliases

arxiv: 1608.00790 · arxiv_version: 1608.00790v1 · doi: 10.48550/arxiv.1608.00790 · pith_short_12: CPQZD2PHI3B3 · pith_short_16: CPQZD2PHI3B3E5R2 · pith_short_8: CPQZD2PH

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/CPQZD2PHI3B3E5R2ZGPFU6P7ZU \
  | 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: 13e191e9e746c3b2763ac99e5a79ffcd258588284764dffe16b3fc92da7ace7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6523fd3ff79ae7b9973cc199ac24e8d4a93a247569716c02b3a770dceb9f36f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-08-02T12:33:12Z",
    "title_canon_sha256": "007e421f9f05326d197a5fc45d491332a9a3afeeaa3a6dc6abd16a5a70ed7023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00790",
    "kind": "arxiv",
    "version": 1
  }
}