Pith Number

pith:RIQDNSAW

pith:2009:RIQDNSAWLZP2ACAHNZFBDVBL5Y

not attested not anchored not stored refs pending

On the Lebesgue measure of sum-level sets for continued fractions

Bernd O. Stratmann, Marc Kesseb\"ohmer

arxiv:0901.1787 v2 · 2009-01-13 · math.DS · 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{RIQDNSAWLZP2ACAHNZFBDVBL5Y}

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	2026-05-18T02:49:52.542747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a2036c8165e5fa008076e4a11d42bee0a3890839c525de45d96fb31bce74832

Aliases

arxiv: 0901.1787 · arxiv_version: 0901.1787v2 · doi: 10.48550/arxiv.0901.1787 · pith_short_12: RIQDNSAWLZP2 · pith_short_16: RIQDNSAWLZP2ACAH · pith_short_8: RIQDNSAW

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/RIQDNSAWLZP2ACAHNZFBDVBL5Y \
  | 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: 8a2036c8165e5fa008076e4a11d42bee0a3890839c525de45d96fb31bce74832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9daacb7d3c2fa0393601164eb2e63533975d599b6564e6fc697696aee4277ba",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-01-13T14:01:52Z",
    "title_canon_sha256": "1a80513f14300332937c44c8dd5f91d860c75756c66fb8732e3b7c5f73db2e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1787",
    "kind": "arxiv",
    "version": 2
  }
}