Pith Number

pith:4IVYZFSD

pith:2009:4IVYZFSDAPJVFOIU2LYLUHRWIM

not attested not anchored not stored refs pending

Complex projective structures with Schottky holonomy

Shinpei Baba

arxiv:0906.0413 v2 · 2009-06-02 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IVYZFSDAPJVFOIU2LYLUHRWIM}

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	2026-05-18T04:01:51.378612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e22b8c964303d352b914d2f0ba1e364314fdf2a4c800e660e5a3ff4047f58828

Aliases

arxiv: 0906.0413 · arxiv_version: 0906.0413v2 · doi: 10.48550/arxiv.0906.0413 · pith_short_12: 4IVYZFSDAPJV · pith_short_16: 4IVYZFSDAPJVFOIU · pith_short_8: 4IVYZFSD

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/4IVYZFSDAPJVFOIU2LYLUHRWIM \
  | 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: e22b8c964303d352b914d2f0ba1e364314fdf2a4c800e660e5a3ff4047f58828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045a7d1c4634ac6e90842555a92acb2eefa57b2d4658c0ea816a61c88365d453",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2009-06-02T03:27:55Z",
    "title_canon_sha256": "852f1b4aefef36b7f45d957d79c58e55094a27831fc8e78c3a2c1350e4ec5d2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0413",
    "kind": "arxiv",
    "version": 2
  }
}