Pith Number

pith:PPPVQVW5

pith:2014:PPPVQVW57CMBAVLPDHJNS7D4SZ

not attested not anchored not stored refs pending

Multiple-Correction and Continued Fraction Approximation

Xiaodong Cao

arxiv:1410.2953 v1 · 2014-10-11 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPPVQVW57CMBAVLPDHJNS7D4SZ}

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	2026-05-18T02:40:17.400695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bdf5856ddf89810556f19d2d97c7c96645913642e01c18d2e8d211388e49b03

Aliases

arxiv: 1410.2953 · arxiv_version: 1410.2953v1 · doi: 10.48550/arxiv.1410.2953 · pith_short_12: PPPVQVW57CMB · pith_short_16: PPPVQVW57CMBAVLP · pith_short_8: PPPVQVW5

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/PPPVQVW57CMBAVLPDHJNS7D4SZ \
  | 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: 7bdf5856ddf89810556f19d2d97c7c96645913642e01c18d2e8d211388e49b03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd8b8d8a19079beca6dd8c20e765bd53199d672909fd07a4a357ad3a28f64937",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-10-11T06:06:13Z",
    "title_canon_sha256": "9613466dbee5d2e54060fa078fde8d293c9aa8dacdb72ff939e04aa61092c9b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2953",
    "kind": "arxiv",
    "version": 1
  }
}