Pith Number

pith:JRWSYY7W

pith:2015:JRWSYY7WPKSKOJYYO6BIF2S2RV

not attested not anchored not stored refs pending

The fastest possible continued fraction approximations of a class of functions

Wenguang Zhai, Xiaodong Cao, Yoshio Tanigawa

arxiv:1508.00176 v1 · 2015-08-01 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRWSYY7WPKSKOJYYO6BIF2S2RV}

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	2026-05-18T01:35:58.794119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c6d2c63f67aa4a72718778282ea5a8d58de847d6235679645012cd7288b0d24

Aliases

arxiv: 1508.00176 · arxiv_version: 1508.00176v1 · doi: 10.48550/arxiv.1508.00176 · pith_short_12: JRWSYY7WPKSK · pith_short_16: JRWSYY7WPKSKOJYY · pith_short_8: JRWSYY7W

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/JRWSYY7WPKSKOJYYO6BIF2S2RV \
  | 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: 4c6d2c63f67aa4a72718778282ea5a8d58de847d6235679645012cd7288b0d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cb21f193a47cb017d3ba1597083c79d8631f19d05fca0e7596994c275f0c5b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-08-01T23:54:54Z",
    "title_canon_sha256": "e3b3e25f3b9d071a04812900746cc13d09773d499910475f672c8c364b3b966b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00176",
    "kind": "arxiv",
    "version": 1
  }
}