Pith Number

pith:NHD66WYK

pith:2010:NHD66WYKNFQVHQXYI5K26JWSIR

not attested not anchored not stored refs pending

Paper folding, Riemann surfaces, and convergence of pseudo-Anosov sequences

Andr\'e de Carvalho, Toby Hall

arxiv:1010.3448 v1 · 2010-10-17 · math.DS · 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{NHD66WYKNFQVHQXYI5K26JWSIR}

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	2026-05-18T02:38:18.363301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c7ef5b0a696153c2f84755af26d2446110629eaf8cac068ecb233dbd76b880

Aliases

arxiv: 1010.3448 · arxiv_version: 1010.3448v1 · doi: 10.48550/arxiv.1010.3448 · pith_short_12: NHD66WYKNFQV · pith_short_16: NHD66WYKNFQVHQXY · pith_short_8: NHD66WYK

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/NHD66WYKNFQVHQXYI5K26JWSIR \
  | 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: 69c7ef5b0a696153c2f84755af26d2446110629eaf8cac068ecb233dbd76b880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88730d447d99e3f9c3a19f8586a161eb8eb2b6e582844a9d7e05b252f9a11e32",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2010-10-17T20:45:03Z",
    "title_canon_sha256": "122bb776544713996a724150ff6df0f072c2e614d953a5095e95a1d34ac9db21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3448",
    "kind": "arxiv",
    "version": 1
  }
}